Multiple issues unreferenced December 2009 context October 2009 cleanup June 2007 Protein sequence s can provide data about the biological function and evolution of proteins and protein domains. Grouping and interrelating protein sequences can therefore provide information about both human biological processes, and the historical development of biological processes on earth. Such Sequence cluster s allow the effective coverage of Protein sequence space sequence space . Sequence cluster s can reduce a large database of sequences to a smaller set of sequence representatives , each of which should represent its cluster at the sequence level. Sequence representatives allow the effective coverage of the original database with fewer sequences. The database of sequence representatives is called non redundant , as similar or redundant sequences have been removed at a certain similarity threshold. DEFAULTSORT Representative Sequences Category Protein structure Category Bioinformatics Category Article Feedback 5 Biology stub Bioinformatics stub ... more details
in the hydration of DNA surfaces can be used to distinguish between sequences that form A and B DNA. From this, a triplet code of A DNA propensities was derived as energetic rules for predicting A DNA formation. This code correctly predicted 90 of A and B DNAsequences in crystals and correlates with A DNA formation in solution. Thus, with our previous studies on Z DNA, we now have a single method to predict the relative stability of sequences in the three standard DNA duplex conformations. ref name Basham1995 blockquote Comparison Geometries of the Most Common DNA Forms Image A DNA, B DNA and Z DNA.png right thumb Side view of A , B , and Z DNA. Image B&Z&A DNA formula.jpg thumb right 250px The helix axis of A , B , and Z DNA. class wikitable Geometry attribute A form B form Z form Helix ...Image A DNA orbit animated small.gif right frame The A DNA structure. A DNA is one of the many possible double helical structures of DNA . A DNA is thought to be one of three biologically active double helical structures along with B DNA B and Z DNA . It is a right handed double helix fairly similar to the more common and well known B DNA form, but with a shorter more compact helical structure. It appears likely that it occurs only in dehydrated samples of DNA, such as those used in crystallographic experiments, and possibly is also assumed by DNA RNA hybrid helices and by regions of double stranded RNA. Structure A DNA is fairly similar to B DNA given that it is a right handed double helix with major ... turn. This results in a deepening of the major groove and a shallowing of the minor. Predicting A DNA structure An algorithm for predicting the propensity of a sequence to flip from B DNA to A DNA ... cite journal author Basham B, Schroth GP, Ho PS title An A DNA triplet code thermodynamic rules for predicting A and B DNA journal Proc Natl Acad Sci USA volume 92 issue 14 pages 6464 6468 year ... also Mechanical properties of DNADNA B DNA Z DNA External links http www.tulane.edu biochem nolan ... more details
For complementary sequences in biology, see complementarity molecular biology . In applied mathematics, complementary sequences CS are pairs of sequence s with the useful property that their out of phase aperiodic autocorrelation coefficients sum to zero. Binary complementary sequences were first introduced by Marcel J. E. Golay in 1949. In 1961 1962 Golay gave several methods for constructing sequences of length 2 sup N sup and gave examples of complementary sequences of lengths 10 and 26. In 1974 R. J. Turyn gave a method for constructing sequences of length mn from sequences of lengths m and n which allows the construction of sequences of any length of the form 2 sup N sup 10 sup K sup 26 sup M sup . Later the theory of complementary sequences was generalized by other authors to polyphase complementary sequences, multilevel complementary sequences, and arbitrary complex complementary sequences. Complementary sets have also been considered these can contain more than two sequences. Definition ... 1 sub , ..., b sub N &minus 1 sub be a pair of bipolar sequences, meaning that a k and b ... by math R x k sum j 0 N k 1 x jx j k . , math Then the pair of sequences a and b is complementary ... functions of complementary sequences is a delta function which is an ideal autocorrelations ... As the simplest example we have sequences of length 2 1, 1 and 1, &minus 1 . Their autocorrelation ... example sequences of length 4 , we have 1, 1, 1, &minus 1 and 1, 1, &minus ... 1, 0, &minus 1 . Properties of complementary pairs of sequences Complementary sequences ... complementary sequences also have complementary spectra. But as the Fourier transform of a delta ... a sub and S sub b sub are defined as a squared magnitude of the Fourier transform of the sequences. The Fourier transform can be a direct DFT of the sequences, it can be a DFT of zero padded sequences or it can be a continuous Fourier transform of the sequences which is equivalent to the Z transform ... more details
Unreferenced date December 2009 Orphan date December 2009 In a film script , a shooting sequence is a part of the script consisting of a single unified action and which can be Shot film shot in one place, at one time, with essentially the same cast throughout. A shooting sequence can be part of a Scene film scene , an entire scene, or several scenes in a script. During preproduction , a script is lined , meaning that a line is drawn between each of the shooting sequences in the script and each important element in the sequence is highlighted. See also Breaking down the script Screenplay slug line DEFAULTSORT Shooting Sequences Category Film and video terminology Category Television terminology ... more details
Orphan date October 2008 Collapsing sequences occur in human speech when utterance pairs between speakers have some unspoken thought occurring between them that may make the latter phrase, out of context, seem to have no logical connection to the former there is, however, an implication that logical thought has occurred between the two phrases, so that the latter phrase will make sense based upon an assumption of its relation to the former. Examples Customer What s chocolate filbert? Clerk We don t have any. The clerk s reply is in response to what he knows will come next in the discourse . If the clerk had proceeded to explain what chocolate filbert is, then it is possible that the customer would have asked for some. By explaining what the product is, the clerk would have tacitly implied that he had some to sell. Describing a product in a selling situation is often an implication that it is available. A waiter, for example, would not launch into a detailed description of a particular dish that a customer is inquiring about, only to end the discourse by then informing the customer that the dish is not available. Another common collapsing sequence is illustrated below A. Do you smoke? B. I left them in my other jacket. This type of collapsing sequence speeds up social interaction by averting unnecessary explanations. Collapsing sequences can be used in other situations as well, such as when someone joins a discussion already in progress Hi, John. We were just talking about nursery schools. In the phrasing of this response, the speaker is either warning John not join the group, or is giving him orientation so that he can understand the context of the discussion and participate. References Chaika, Elaine. Language The Social Mirror . Rowley, Massachusetts Newbury House , 1982 pp. 85 86 . Category Human communication Category Discourse analysis ... more details
50 of human DNA consisting of non coding repeated sequence DNArepetitivesequences . ref cite ... s that can bind to specific sequences in double stranded DNA usually make contacts to the sides ... parts of the same strand of DNA i.e. both strands contain both sense and antisense sequences ... 93 issue 4 pages 664 71 year 2004 pmid 15389973 doi 10.1002 jcb.20252 ref A few DNAsequences in prokaryotes ... pmid 15596463 doi 10.1093 aob mci009 ref However, DNAsequences that do not code protein may still encode ... 1MSW ref Some noncoding DNAsequences play structural roles in chromosomes. Telomere s and centromere ... June 2, 2012 small yes pp move indef File DNA Structure Key Labelled.pn NoBB.png thumb right 340px The structure of the DNA double helix . The atoms in the structure are colour coded by Chemical element ... thumb The structure of part of a DNA double helix Deoxyribonucleic acid IPAc en audio en us Deoxyribonucleic acid.ogg d i k s i r a b . n ju k l e . k s d DNA is a nucleic ... known living organism s with the exception of RNA virus es . The DNA segments carrying this genetic information are called gene s. Likewise, other DNAsequences have structural purposes, or are involved in regulating the use of this genetic information. Along with RNA and proteins , DNA is one of the three major macromolecules that are essential for all known forms of life . DNA consists of two long ... is read by copying stretches of DNA into the related nucleic acid RNA in a process called transcription genetics transcription . Within cells DNA is organized into long structures called chromosome s. During cell division these chromosomes are duplicated in the process of DNA replication , providing ... s, Fungus fungi , and protist s store most of their DNA inside the cell nucleus and some of their DNA ..., prokaryote s bacteria and archaea store their DNA only in the cytoplasm . Within the chromosomes, chromatin proteins such as histone s compact and organize DNA. These compact structures guide the interactions ... more details
episode episodes 3 episode list Infobox animanga Footer nihongo DNA D N A D En Ei ..., spanning a total of five tank bon volumes. DNA was adapted into a 12 episode anime television ... and animation director for the series was Kumiko Takahashi . DNA has been broadcast in Japan by Animax ... children that carry the Mega Playboy DNA, causing them and all their descendants to each have 100 ... to deal with. Karin reveals to Junta that she is a DNA Operator . Her job is to make alterations in people s DNA that will change their nature for the greater good of society. She intends to shoot the original Mega Playboy with a DCM DNA Control Medicine bullet that will alter his DNA in order ... Playboy DNA stabilizes more and more. nihongo Karin Aoi Aoi Karin anime voices Miina Tominaga Jessica Calvello A sixteen year old DNA Operator from the overcrowded future, sent back in time in order ... DNA. She and Junta spend some time together trying to help cure each other of their problems. She ... Forgotten a Century from Now I ll Never Forget You Manga The DNA manga was published in Japanese ... es ca DNA cs DNA de DNA es DNA fr DNA ko DNA id DNA it DNA ja D N A pt DNA ru DNA fi DNA sv DNA tl DNA zh DNA ... more details
dabconcept DNA synthesis commonly refers to DNA replication DNA biosynthesis in vivo DNA amplification Polymerase chain reaction enzymatic DNA synthesis in vitro DNA amplification Oligonucleotide synthesis chemical synthesis of nucleic acids Gene synthesis physically creating artificial gene sequences disamb ... more details
about the specific use in genomics the general phenomenon Nucleic acid thermodynamics Hybridization DNADNA hybridization generally refers to a molecular biology technique that measures the degree of genetic similarity between pools of DNAsequences. It is usually used to determine the genetic distance ... The DNA of one organism is labeled, then mixed with the unlabeled DNA to be compared against. The mixture is incubated to allow DNA strands to dissociate and reanneal, forming hybrid double stranded DNA. Hybridized sequences with a high degree of similarity will bind more firmly, and require more energy to separate them i.e. they separate when heated at a higher temperature than dissimilar sequences, a process known as DNA melting . To assess the melting profile of the hybridized DNA, the double stranded DNA is bound to a column and the mixture is heated in small steps. At each step, the column is washed sequences that melt become single stranded and wash off the column. The temperatures at which labeled DNA comes off the column reflects the amount of similarity between sequences and the self ... molecular systematics . Charles Sibley and Jon Ahlquist , pioneers of the technique, used DNADNA hybridization ... by DNADNA Hybridization author C.G. Sibley and J.E. Ahlquist journal Journal of Molecular ... differences between orthologous sequences between organisms is overwhelmed by the hybridization of paralogous sequences within an organism s genome. ref http personal.uncc.edu jmarks DNAHYB Dnahyb2.html DNA hybridization in the apes Technical issues ref DNA sequencing and computational comparisons of sequences is now generally the method for determining genetic distance, although the technique ... DNADNA hybridization to study complex microbial ecosystems author S.S. Socransky, A.D. Haffajee ... . Fundamentals of Molecular Evolution. a good text on these topics See also DNA melting Temperature gradient gel electrophoresis Category Molecular biology Category DNA fr Hybridation de l ADN it Ibridazione ... more details
Unreferenced stub auto yes date December 2009 Orphan date December 2009 Spacer DNA are regions of non transcribed DNA between tandemly repeated gene s, such as ribosomal RNA genes in eukaryote s. Its function most likely involves ensuring the high rates of transcription associated with these genes. In bacteria, spacer DNAsequences are only a few nucleotides long. In eukaryotes, they can be extensive and include repetitiveDNA, comprising the majority of the DNA of the genome. The term is used particularly for the spacer DNA between the many tandemly repeated copies of the ribosomal RNA genes. DEFAULTSORT Spacer Dna Category Genetics Genetics stub ... more details
only inherited maternally, mtDNA is found in both men and women. DNA Solutions sequences both the Hypervariable ...orphan date June 2010 DNA Solutions is a DNA profiling DNA testing company ref http www.dnanow.com Company ... created a home paternity kit in 1997 and has since expanded its services to include DNA sample storage. History DNA Solutions created the home Parental testing paternity kit in 1997, which was a new concept where people for the first time could take samples for DNA testing at home, instead of in the laboratory .... These home testing kits have since revolutionized DNA testing, Citation needed date July 2010 and the industry has subsequently adopted DNA Solutions terminology of using home kit and home paternity kit a term now used by virtually all DNA testing companies and laboratories for the use at home DNA testing services. This new type of DNA testing led to a great deal of controversy, especially in the year ... for a ban of DNA Solutions s services due to issues of privacy and consent. ref http newsstore.fairfax.com.au ... Australian newspaper, The Age , report on call for ban of the new DNA tests, year 2000 ref News ... 02 pappa.html Sweden s national newspaper Aftonbladet reports on DNA Solutions new tests. ref Over the next decade while DNA testing kits were being adopted by most DNA laboratories, DNA Solutions ... 15478 Russian newspaper reports on the do it yourself DNA tests hitting Russia in 2005 ref ref cite web url http tvnz.co.nz view news national story skin 587480?format html title The DNA short straw ... www.hanwoodna.com.cn Chinese website ref In 2007, DNA Solutions profiled 800 elephant dung samples .... ref http www.theage.com.au news national dna key in dung deal to save cambodian elephants 2007 08 02 1185648061395.html Australian newspaper report on elephant DNA profiling project ref In 2008, DNA Solutions won the tender to store DNA samples for the Australian Defence Force Australian military and at the same time launched a service to store DNA samples for the public. ref http www.theage.com.au ... more details
for the various methods Nucleic acid methods DNA isolation is a routine procedure to collect DNA for subsequent ... optional steps in a DNA extraction Breaking the Cell biology cells open, commonly referred to as cell disruption or cell lysis , to expose the DNA within. This is commonly achieved by chemical and physical ... done . Removing RNA by adding an RNase often done . Precipitating the DNA with an alcohol &mdash usually ice cold ethanol or isopropanol . Since DNA is insoluble in these alcohols, it will aggregate ... Mg sup 2 sup and calcium Ca sup 2 sup , which prevents enzymes like DNase from degrading the DNA. Cellular and histone proteins bound to the DNA can be removed either by adding a protease or by having ... extraction extracted them with a phenol chloroform mixture prior to the DNA precipitation. If desired, the DNA can be resolubilized in a slightly alkaline buffer or in ultra pure water. Special Types of DNA Extractions A Hirt DNA Extraction is an isolation of all extrachromosomal DNA in a mammalian cell. The Hirt extraction process gets rid of the high molecular weight nuclear DNA , leaving only low molecular weight mitochondrial DNA and any viral episomes present in the cell. Detecting DNA main Quantification of nucleic acids A diphenylamine DPA indicator will confirm the presence of DNA. This procedure involves chemical hydrolysis of DNA when heated e.g. 95 C in acid, the reaction requires a deoxyribose sugar and therefore is specific for DNA. Under these conditions, the 2 deoxyribose ... a blue colored compound. DNA concentration can be determined measuring the intensity of absorbance ... DNA concentrations. Measuring the intensity of absorbance of the DNA solution at wavelengths Quantification of nucleic acids 260 nm and 280 nm is used as a measure of DNA purity. DNA absorbs UV ... of DNA has the 260 280 ratio at 1.8 and is relatively free from protein contamination. A DNA preparation that is contaminated with protein will have a 260 280 ratio lower than 1.8. DNA can be quantified ... more details
DNA shuffling is a way to rapidly propagate beneficial mutation s in a directed evolution experiment. It is used to rapidly increase DNA library size. ref cite journal last Cohen first J. title How DNA Shuffling Works journal Science volume 293 issue 5528 pages 237 237 doi 10.1126 science.293.5528.237 accessdate 8 May 2011 ref Procedure DNAse is firstly used to fragment a set of parent gene s into pieces of 50 100 base pair bp in length. This is then followed by a polymerase chain reaction PCR without primers DNA fragments with sufficient overlapping homologous sequence will anneal to each other and are then extended by DNA polymerase . Several rounds of this PCR extension are allowed to occur, after some of the DNA molecules reach the size of the parental genes. These genes can then be amplified with another PCR, this time with the addition of Primer molecular biology primers that are designed to complement the ends of the strands. The primers may have additional sequences added to their 5 ends, such as sequences for restriction enzyme recognition sites needed for ligation into a cloning vector. It is possible to recombination recombine portion of these genes to generate hybrids or Chimera genetics chimeric forms with unique properties, this is called DNA shuffling. Shuffling methods Using restriction enzymes Restriction enzyme s that cut in similar places are used to digest members of the gene family DNA fragments are joined together with DNA ligase Large numbers of hybrid biology hybrids are produced which can be tested for unique properties Using DNAse 1 Different members of the gene family are fragmented using DNAse 1 followed by PCR During PCR different members of the family are cross primed, DNA fragments with high homology biology homology will anneal to each other The generated hybrids are then used to generate a DNA library library of mutants which are tested ... references DEFAULTSORT Dna Shuffling Category DNA es Barajado de ADN ... more details
Satellite DNA consists of very large arrays of tandemly arrayed genes tandemly repeating, non coding DNA . Satellite DNA is the main component of functional centromeres , and form the main structural constituent of heterochromatin . ref cite book author Knight, Julian C. title Human Genetic Diversity Functional Consequences for Health and Disease publisher Oxford University Press year 2009 isbn 9780199227693 ... 000031999 satellite DNA ref The name satellite DNA refers to how repetitions of a short DNA sequence ... , and thus have a different density from bulk DNA such that they form a second or satellite band when genomic DNA is separated on a Density Gradient density gradient . citation needed date January 2011 Types of satellite DNA Satellite DNA, together with minisatellite and Microsatellite genetics microsatellite DNA, constitute the tandem repeats . ref MeshName Tandem Repeat ref Some types of satellite DNA in humans are class wikitable Type Size of repeat unit bp Location alphoid DNA 171 All chromosomes ... 3 5 Most chromosomes Length A repeated DNA motif pattern can be between 1 base pair long a mononucleotide repeat to several thousand base pairs long, and the total size of a satellite DNA block can be several megabases without interruption. Most satellite DNA is localized to the telomeric or the centromeric ... DNA is a short region 1 5kb of 20 50 repeats. The difference in how many of the repeats is present in the region length of the region is the basis for DNA fingerprinting . citation needed date January 2011 Origin Satellite DNA, at least the microsatellite variety, is thought to have originated by slippage ... book author Beridze, Thengiz title Satellite DNA publisher Springer Verlag year 1986 isbn 978 0387158761 ... books?id MPkwi i33zYC&pg PA53 External links MeshName Satellite DNA Repeated sequence DEFAULTSORT Satellite Dna Category RepetitiveDNAsequences de Satelliten DNA fr ADN satellite he DNA it DNA satellite sv Satellit DNA tr Satelit DNA ... more details
SEQUENCES Art Festival is held in the capital of Iceland , Reykjavik . Its emphasis is time based work, performance , sound art , video and music. Concept The aim of the annual independent art festival is to celebrate and exhibit cutting edge visual art with a special emphasis on art in public urban spaces. SEQUENCES features time based art such as performance , video and sound art and creates a cross platform for these art forms as well as music and design. SEQUENCES is the first art festival in Iceland to focus on visual art alone and is an offspring of the dynamic art scene that thrives in Reykjavik . The festival is a venue for young artists to exhibit their work and connect with foreign artists who work in similar or in the same media. More than two hundred artists from around the world have participated in the festival. Along with the artist run galleries, the bigger museums and institutions in Iceland have participated as well Reykjavik Art Museum , i8 , Safn , Gallery Turpentine and The National Museum of Iceland . For SEQUENCES Art Festival in 2008 held October 11 to 17 the curatorial board decided to acknowledge renowned artists for their notable contribution to real time art mediums. The honorary artist of SEQUENCES 2008 was the Icelandic artist R r . The fourth SEQUENCES Art Festival will be held in 2009 October 31 to November 7, 2009 . This years honorary artist will be 80 year old concept art legend Magn s P lsson. Born in East Iceland in 1929, P lsson studied theatre design and art in the early 1950s and became an active participant in Iceland s embryonic avant ... SEQUENCES was initiated in Reykjavik in 2006 at first by artist Brynd s Hr nn Ragnarsd ttir, at the time ... as well as the Center for Icelandic Art CIA.IS . For the first time, the SEQUENCES Festival took place ... Museum External links Official festival website http www.sequences.is SEQUENCES real time art festival ... art news, Issue 11 http www.grapevine.is Art ReadArticle Sequences Festival 2008 The Reykjavik Grapevine ... more details
merge Escape sequence date July 2011 Escape sequences are used in programming languages C programming language C and C . These are character combinations which comprise a backslash followed by some character. They give results such as getting to the next line or a TAB space. They are called escape sequences since the backslash causes an escape from the normal way characters are interpreted by the compiler. Common Escape Sequences a Bell beep b Backspace f Formfeed n New line r Carriage Return t Horizontal Tab Backslash Single Quotation Mark Double Quatation Mark ooo Octal Octal Representation xdd Hexadecimal Hexadecimal Representaion References C Programming Language by Brian W. Kernighan, Dennis M. Ritchie Object Oriented Programming in Turbo C by Robert Lafore See also Escape sequence Category C programming language Category Control characters ... more details
Not to be confused with the book The Selfish Gene . Selfish DNA refers to those sequences of DNA which, in their purest form, have two distinct properties 1 the DNA sequence spreads by forming additional copies of itself within the genome and 2 it makes no specific contribution to the reproductive success of its host organism . This idea was sketched briefly by Richard Dawkins in his 1976 book The Selfish Gene and was explicitly exposed in two 1980 articles in Nature magazine. According to one of these articles quotation The theory of natural selection, in its more general formulation, deals with the competition between replicating entities. It shows that, in such a competition, the more efficient replicators increase in number at the expense of their less efficient competitors. After a sufficient time, only the most efficient replicators survive. L.E. Orgel & F.H.C. Crick Selfish DNA the ultimate parasite The selfish DNA can be considered an efficient replicator that follows another way of increasing in number. Examples Transposon s copy themselves to different locus genetics loci inside the genome. These elements constitute a large fraction of eukaryotic genome size s C value s about 45 of the human genome is composed of transposons and their defunct remnants. Homing endonuclease gene s cleave DNA at its own site on the homologous chromosome , triggering the DNA repair Double strand breaks DNA double stranded break repair system, which repairs the break by copying the HEG onto the homologous chromosome. HEGs have been characterized in yeast , and can only survive by passing between multiple isolated populations or species. Supernumerary B chromosome s are essential chromosomes that are transmitted in higher than expected frequencies, which leads to their accumulation in progenies ... & Crick , F.H.C. 1980 Selfish DNA the ultimate parasite. Nature, 284, 604 607. Category DNA Category Selection he DNA pl Samolubny DNA zh DNA ... more details
infobox website name On Line Encyclopedia of Integer Sequences logo File OEISicon.svg 150px url http ... Sequences OEIS , also cited simply as Sloane s , is an online database of integer sequence s, created ... on integer sequences of interest to both professional mathematician s and recreational mathematics amateurs , and is widely cited. As of 2011 11 20 it contains over 200,000 sequences, making it the largest ... Sloane started collecting integer sequences as a graduate student in 1965 to support his work in combinatorics ... in book form twice A Handbook of Integer Sequences 1973, ISBN 0 12 648550 X , containing 2,372 sequences in lexicographic order and assigned numbers from 1 to 2372. The Encyclopedia of Integer Sequences with Simon Plouffe 1995, ISBN 0 12 558630 2 , containing 5,488 sequences and assigned M numbers from M0000 to M5487. The Encyclopedia includes the references to the corresponding sequences which may differ in their few initial terms in A Handbook of Integer Sequences as N numbers from N0001 ..., mathematicians supplied Sloane with a steady flow of new sequences. The collection became unmanageable ... work, Sloane founded the Journal of Integer Sequences in 1998. ref http www.cs.uwaterloo.ca journals JIS Journal of Integer Sequences ISSN 1530 7638 ref The database continues to grow at a rate of some 10,000 entries a year. Sloane has personally managed his sequences for almost 40 years ... of Integer Sequences ref In 2004, Sloane celebrated the addition of the 100,000th sequence to the database ... integer sequences, the OEIS also catalogs sequences of fraction mathematics fraction s, the digits of transcendental number s, complex number s and so on by transforming them into integer sequences. Sequences of rationals are represented by two sequences named with the keyword frac the sequence of numerators ... such as 3.1415926535897... are catalogued under representative integer sequences such as decimal expansions ... referred to without the leading zeros, e.g. , A315 rather than A000315. Individual terms of sequences ... more details
DNA origami is the nanoscale folding of DNA to create arbitrary two and three dimensional shapes at the nanoscale . The specificity of the interactions between Complementarity molecular biology complementary base pairs make DNA a useful construction material, through design of its base sequences. Developed by Paul Rothemund at the California Institute of Technology , the process involves the folding of a long single strand of virus viral DNA aided by multiple smaller staple strands. These shorter strands bind the longer in various places, resulting in various shapes, including a smiley face and a coarse map of China and Americas the Americas , along with many three dimensional structures such as cubes ... long DNA molecule . This design is then fed into a computer program that calculates the placement of individual staple strands. Each staple binds to a specific region of the DNA template, and thus due to Watson Crick base pair Watson Crick base pairing , the necessary sequences of all staple strands are known and displayed. The DNA is mixed, then heated and cooled. As the DNA cools, the various ..., including atomic force microscopy , or fluorescence microscopy when DNA is coupled to fluorescent ... self assembly of materials. Though DNA is not the natural choice for building active ... computing. DNA origami was the cover story of Nature journal Nature on March 16, 2006. See also DNA nanotechnology Molecular self assembly Folding home References cite journal last Rothemund first Paul W. K. authorlink Paul W. K. Rothemund year 2006 month title Folding DNA to create nanoscale ... DNA Tile Based Self Assembly Building Complex Nanoarchitectures year 2006 last1 Lin first1 Chenxiang ... issue 8 pages 1641 7 http news.bbc.co.uk 2 hi technology 8204906.stm DNA organises itself on silicon &ndash BBC News 2009 08 17 Category DNA nanotechnology Biochem stub nano tech stub ar de DNA Origami fr Origami ADN ... more details
Unreferenced date January 2009 The regional genes V, D, J , used to generate T cell receptor T cell receptors and Antibody Immunoglobulin molecules , are flanked by Recombination Signal Sequences RSSs that are recognized by a group of enzymes known collectively as the VDJ recombinase. RSSs are composed of seven conserved nucleotides a heptamer that reside next to the gene encoding sequence followed by a spacer containing either 12 or 23 unconserved nucleotides followed by a conserved nonamer 9 base pairs . The RSSs are present on the Directionality molecular biology 3 side downstream of a V region and the Directionality molecular biology 5 side upstream of the J region. These are the sides that will be involved in the joining. Only a pair of dissimilar spacer RSSs are efficiently genetic recombination recombined i.e. one with a spacer of 12 nucleotides will be recombined with one that has a spacer containing 23 nucleotides . This is known as the 12 23 rule of recombination or the one turn two turn rule . See also VDJ recombination Category Immune system immunology stub ... more details
Origins contain DNAsequences recognized by replication initiator proteins e.g., dnaA in E. coli ... to the origin sequences. Because E. coli DNA methylation methylates GATC DNAsequences, DNA synthesis results in hemimethylated sequences. This hemimethylated DNA is recognized by the protein SeqA, which ..., but ends at the telomere region of repetitiveDNA close to the end. This shortens the telomere of the daughter ... the repetitivesequences of the telomere region to prevent degradation. Telomerase can become mistakenly ...Merge from Replication fork discuss Talk DNA replication Merge from Replication fork date May 2009 Image DNA replication split.svg thumb 200px right DNA replication. The double helix is unwound and each ... partner strands. DNA replication is a biological process that occurs in all life on Earth living organisms and copies their DNA it is the basis for heredity biological inheritance . The process starts when one double stranded DNA molecule produces two identical copies of the molecule. The cell cycle mitosis also pertains to the DNA replication reproduction process. The cell cycle includes, interphase, prophase, metaphase, anaphase, and telophase. Each strand of the original double stranded DNA ... ensure Mutation near perfect fidelity for DNA replication. ref cite book author Berg JM, Tymoczko ... 0 7167 3051 0 http www.ncbi.nlm.nih.gov books bv.fc,kgi?rid stryer.chapter.3740 Chapter 27 DNA Replication ... 3218 1 http www.ncbi.nlm.nih.gov books bv.fcgi?rid mboc4.chapter.747 Chapter 5 DNA Replication, Repair, and Recombination ref In a cell biology cell , DNA replication begins at specific locations in the genome ... 4 DNA Replication of Both Strands Proceeds Rapidly from Specific Start Sites ref Unwinding of DNA at the origin, and synthesis of new strands, forms a replication fork . In addition to DNA polymerase , the enzyme that synthesizes the new DNA by adding nucleotides matched to the template strand, a number ... of DNA synthesis. DNA replication can also be performed in vitro artificially, outside a cell . DNA ... more details
A G del numbering for sequences provides us an effective way to represent each finite sequence of natural numbers as a single natural number. Of course, the Injective function embedding is surely possible set theoretically, but the emphasis is on the effectiveness of the functions manipulating such representations of sequences the operations on sequences accessing individual members, concatenation can be implemented using total recursive function s, and in fact by primitive recursive function s. It is usually used to build sequential data type s in the realm of arithmetic based formalizations of some fundamental notions of mathematics. It is a specific case of the more general idea of G del numbering ... to not only encode unique sequences of symbols into unique natural numbers i.e. place numbers into mutually exclusive or one to one correspondence with the sequences but also to encode whole architectures ... of sequences that we can get back all the information from it that is contained by the original ... that the length can be also obtained directly even if we want to handle sequences of different length ... an encoding scheme for sequences, but we have to fill in some gaps yet. These are related notions ... that g is total recursive. Access of length If we use the above scheme for encoding sequences only in contexts where the length of the sequences is fixed, then no problem arises. In other words ... dynamically stretching sequences, or we need to deal with sequences whose length cannot be Typeful programming type d in a static way. In other words, we may encode sequences in an analogous way as we ... of a Turing machine, then the each row in matrix of the program can be represented with tuples, sequences ... of a running Turing machine, then we have to represent sequences together with their length. Moreover, we can mimic dynamically stretching sequences by representing sequence concatenation or at least ... snburris htdocs scav fo arith fo arith.html DEFAULTSORT Godel Numbering For Sequences Category Computability ... more details
Recombinant DNA rDNA molecules are DNAsequences that result from the use of laboratory methods molecular cloning to bring together genetic material from multiple sources, creating DNA sequence sequences that would not otherwise be found in biological organisms. Recombinant DNA is possible because DNA ... of existing DNAsequences in essentially all organisms. Creating recombinant DNA main Molecular cloning Image recombinant formation of plasmids.svg thumb 280px right Construction of recombinant DNA, in which a foreign DNA fragment is inserted into a plasmid vector. In this example, the gene indicated ... within that identical overall structure. Consequently, when DNA from a foreign source is linked to host sequences that can drive DNA replication and then introduced into a host organism, the foreign DNA is replicated along with the host DNA. Introduction Recombinant DNA molecules are sometimes called chimeric DNA , because they are usually made of material from two different species, like the mythical Chimera mythology chimera . R DNA technology uses palindromic sequences and leads to the production of sticky and blunt ends . The DNAsequences used in the construction of recombinant DNA molecules can originate from any species . For example, plant DNA may be joined to bacterial DNA, or human DNA may be joined with fungal DNA. In addition, DNAsequences that do not occur anywhere in nature may be created by the Oligonucleotide synthesis chemical synthesis of DNA , and incorporated into recombinant molecules. Using recombinant DNA technology and synthetic DNA, literally any DNA sequence may be created and introduced into any of a very wide range of living organisms. Proteins that result from the expression of recombinant DNA within living cells are termed List of recombinant proteins recombinant proteins . When recombinant DNA encoding a protein is introduced into a host ... 2011 Recombinant DNA differs from genetic recombination in that the former results from artificial ... more details
addition was made. Separate title sequences were created with specially filled footage one for episodes ... of tyres, it now begun at the same time. In both title sequences, Cryer looks up for the camera ... From 1988 to 1997, Sgt. Bob Cryer was always the last person shown in the title sequences. These are his ... 2010 DEFAULTSORT The Bill Title Sequences Category The Bill ... more details
DISPLAYTITLE Opening and closing sequences of The Prisoner Infobox show name The Prisoner image Image Prisoner sm.jpg 200px caption The Prisoner intertitle The opening and closing sequences of TV series The Prisoner are considered iconic, one of the great set ups of genre drama. ref name crimetime cite web url http www.crimetime.co.uk features prisoner.php title The Prisoner the classic British TV series author Mike Patterson ref The Prisoner overview The Prisoner is a List of The Prisoner episodes 17 episode British TV series in which a secret agent, played by Patrick McGoohan , is held against his will in a mysterious, controlled and changing environment called The Village The Prisoner the Village . ref http www.amctv.com originals the prisoner 1960s series about ref Introduction The title sequence seen in all but two episodes begins with a clouded sky and the sound of thunder, the latter becoming that of a jet engine. As the theme music begins, the view dissolves to reveal an angry man, the future Number Six The Prisoner Number Six , driving in his Lotus Seven at top speed down an empty highway actually the bottom end of the recently opened Santa Pod Raceway drag strip in Bedfordshire , then past the Houses of Parliament in London, into an underground car park. Entering the building via a set of double doors titled Way Out , he then strides down a long, narrow corridor leading to another set of double doors, pulling them open with great ferocity. The man mounts a fierce but inaudible argument before a man at a desk, delivers an envelope marked Private Personal By Hand presumably his resignation , and slams his fist on to the desk, smashing the saucer of a cup of tea. Throughout ... Out The Prisoner Fall Out also completely does away with the standard sequences, instead opening with a recap ... August 2010 DEFAULTSORT Opening And Closing Sequences Of The Prisoner Category The Prisoner Category Film and television opening sequences Prisoner ... more details
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