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Encyclopedia results for Microbial genetics

Microbial genetics





Encyclopedia results for Microbial genetics

  1. Microbial genetics

    Unreferenced stub auto yes date December 2009 Microbial genetics is a subject area within microbiology and genetic engineering . It studies the genetics of microorganism very small micro organisms . This involves the study of the genotype of microbial species and also the gene expression Expression system expression system in the form of phenotype s.It also involves the study of genetic processes taking place in these micro organisms i.e., recombination etc. See also http es.wikipedia.org w index.php?title Microbiolog C3 ADa&action edit§ion 3 A definition of microbial genetics in Spanish Wikipedia DEFAULT SORT Microbial Genetics Category Genetics Genetics stub hi ne ...   more details



  1. Genetics

    About the general scientific term the scientific journal Genetics journal pp move indef Genetics2 See introduction Genetics from Ancient Greek lang grc lang grc Latn genetikos , genitive and that from ... New York chapterurl http www.ncbi.nlm.nih.gov books bv.fcgi?rid iga.section.60 chapter Genetics and the Organism ... ref Genetics deals with the molecular Genetics molecular structure and function of genes, gene behavior in context of a cell biology cell or organism e.g. dominance genetics dominance and epigenetics ... genetics populations ,such as through Genome Wide Association Studies. Given that genes are universal to living organisms, genetics can be applied to the study of all living systems, from virus es and bacteria , through plant s and domestic animals , to human s as in medical genetics . The fact ... crop plants and animals through selective breeding . However, the modern science of genetics ... 1 pages 1 25 discussion 26 journal American journal of medical genetics ref Although he did not know ... be inherited. The sequence of nucleotides in a gene is translation genetics translated by cells ... in the cell and on the organism as a whole. Although genetics plays a large role in the appearance and behavior of organisms, it is the combination of genetics with what an organism experiences that determines .... History Main History of genetics Image DNA Overview2.png thumb right 140px upright DNA , the molecular ... to form what look like rungs on a twisted ladder. Although the science of genetics began with the applied ... is now explained by the action of multiple genes with Quantitative genetics quantitative effects ... genetics Modern genetics started with Gregor Johann Mendel , a German Czech Augustinian monk and scientist .... William Bateson , a proponent of Mendel s work, coined the word genetics in 1905. ref genetics, n ... of the word genetics to describe the study of inheritance in his inaugural address to the Third International Conference on Plant Hybridization in London London, England , in 1906. ref name bateson genetics ...   more details



  1. Microbial electrosynthesis

    Microbial electrosynthesis is a form of microbial electrocatalysis in which electrons are supplied to living microorganisms via a cathode in an electrochemical cell by applying an electric current . The electrons are then used by the microorganisms to reduce carbon dioxide to yield industrially relevant products. The electric current would ideally be produced by a renewable source of power. ref http mbio.asm.org content 1 2 e00103 10 Microbial Electrosynthesis Feeding Microbes Electricity To Convert Carbon Dioxide and Water to Multicarbon Extracellular Organic Compounds Bot generated title ref This process is the opposite to that employed in a microbial fuel cell , in which microorganisms transfer electrons from the oxidation of compounds to an anode to generate an electric current. Comparison to microbial electrolysis cell s Microbial electrosynthesis is related to microbial electrolysis cells MEC . Both use the interactions of microorganisms with a cathode to reduce chemical compounds, but differ in the source of power for this process. In microbial electrosynthesis electrons are supplied solely by the external electrical power source. In MECs, and electrical power source is used to augment the electrical potential produced by the microorganisms consuming a source of chemical energy such as acetic acid . The combined potential provided by the power source and the microorganisms is then sufficient to for example reduce hydrogen ion s to molecular hydrogen . ref http www.scientificblogging.com news account microbial electrolysis cell turning bacteria into hydogen machines Microbial ... Microbial electrosynthesis may be used to produce fuel from carbon dioxide using electrical energy ... . ref http www.nature.com nrmicro journal v8 n10 abs nrmicro2422.html Microbial electrosynthesis revisiting the electrical route for microbial production Abstract Nature Reviews Microbiology Bot ... Microbial fuel cell Electrofuels References Reflist Category Articles created via the Article Wizard ...   more details



  1. Microbial oil

    Microbial oil is a triglyceride lipid produced by a microbe s. Some microbes are able to convert food into triglycerides and accumulate the produced lipids when fed carbohydrates. ref http dx.doi.org 10.1016 S0065 2164 08 70226 0 ref Production of microbial oil has been researched for production of biodiesel , because impure carbohydrates such as agricultural residues can be used as a feedstock for production of oil. ref http dx.doi.org 10.1016 j.biortech.2008.02.033 ref References reflist Category Triglycerides ...   more details



  1. Microbial cooperation

    benefits a recipient, and is selected for on that basis. In microbial systems, cells belonging to the same ... seen in microbial systems, as well as the benefits that might have driven the evolution of these complex ... Perhaps the most common cooperative interactions seen in microbial systems are mutually beneficial ..., individuals partaking in the behaviors have a shared interest in cooperation. In microbial systems ... example of mutually beneficial microbial interactions involves the production of siderophore s. Siderophores are iron scavenging molecules produced by many microbial Taxon taxa , including bacteria ... is another way that evolutionary biologists explain the presence of cheating in cooperative microbial ... toward all neighbors who tend to be relatives . ref name Hamilton In microbial systems, these two mechanisms are equally important. For example, most microbial populations often begin from a small ... death in slime molds Programmed cell death PCD is another suggested form of microbial altruistic ... upon individual condition, environmental conditions, or signaling. Other microbial interactions ... genetics transcription of certain genes, including those for inducer synthesis. There is a low ... as a whole can make a coordinated response. ref Czaran T, Hoekstra RF. 2009. Microbial Communication ... interactions allowed microbial taxa to increase their fitness, it is hypothesized that cooperation ...   more details



  1. Microbial ecology

    Microbial ecology is the ecology of microorganism s their relationship with one another and with their environment ..., PR editor year 2012 title Microbial Ecological Theory Current Perspectives publisher Caister Academic ... . Microbial life plays a primary role in regulating biogeochemistry biogeochemical systems in virtually ... As a consequence of the quantitative magnitude of microbial life Whitman and coworkers calculated ... of nitrogen into the biosphere depends on a microbial process called fixation. Due to the high level of horizontal gene transfer among microbial communities, ref name mcdaniel microbial ecology is also of importance to studies of evolution . ref name smets Microbial resource management Biotechnology may be used alongside microbial ecology to address a number of environmental and economic challenges ... can be used to track changes in microbial communities over time or assess their biodiversity . Managing ... global warming , and the prospects of bioenergy are being expanded by the development of microbial fuel cell s. Microbial resource management advocates a more progressive attitude towards disease , whereby biological control agent s are favoured over attempts at eradication. Fluxes in microbial ... verstraete In addition, there are also clinical implications, as marine microbial symbioses are a valuable ... Ott See also portalbox Ecology Biology Environmental microbiology International Society for Microbial ... C. coauthors D. M Karl, R. R Colwell title Microbial oceanography in a sea of opportunity journal ... issn 1751 7370 volume 3 issue 11 pages 1223 1230 last Konopka first Allan title What is microbial community ... first Edward F. title The microbial ocean from genomes to biomes journal Nature date 2009 05 pmid ... pages 179 last Lupp first Claudia title Microbial oceanography journal Nature date 2009 05 subscription ... ref ref name verstraete cite journal author W. Verstraete month May year 2007 title Microbial ... 118 last Ott first J. title Marine Microbial Thiotrophic Ectosymbioses journal Oceanography and marine ...   more details



  1. Microbial loop

    copyedit date April 2012 Image Microbial Loop.jpg thumb right The microbial loop describes a trophic pathway in the marine microbial food web where dissolved organic carbon DOC is returned to higher trophic ... by phytoplankton zooplankton nekton . The term microbial loop was coined by Azam et al. Fenchel ... and soils Van den Meersche et al. 2004 . Bacteria in the microbial loop decompose this particulate ... resulting in additional energy becoming available to higher trophic levels. Recently the term microbial food web has been substituted for the microbial loop. History Prior to the discovery of the microbial ... Microbes in the Sea . The term microbial loop was introduced in this paper and noted that the bacteria ... to oligotrophic areas in the ocean. Factors controlling the microbial loop The efficiency of microbial loop is determined by the density of marine bacteria in the microbial loop Taylor and Joint 1990 ... efficiency of the microbial loop. Mortality from viral infection has almost the same magnitude as the protozoan ... and viral infection balance the major fraction of bacterial growth. In addition, the microbial loop ... waters, upwelling areas . The efficiency of the microbial loop can be determined by bacterial incorporation ... The microbial loop is of particular importance in increasing the efficiency of marine food web via ... is respired and released as CO2. The other main effect of the microbial loop in the water ... in nutrient limited environment e.g., oligotrophic waters . In general, the entire microbial loop is to some ..., the amount of carbon exported to the ocean floor . Therefore, the microbial loop, together ... the biologically mediated transfer of matter and energy in the microbial loop. More currently, the microbial ... as a potentially attractive food source to bacterivorous planktons. If this is the case, the microbial ... transformation in the extended microbial loop depends only on temperature and the capacity of DOM to aggregate ..., Ertl, Reckermannk, Spitzy 2003 . See also Biological pump f ratio Microbial food web Plankton Farooq ...   more details



  1. Microbial cellulose

    of liquid and air. Differences with plant cellulose Some advantages of microbial cellulose ... production capacity Timely expansion and maintenance of the cell culture for production Image Microbial cellulose pellicle.JPG right 270px thumb A wet microbial cellulose pellicle being removed from a culture. Functions One continuing mystery surrounding microbial cellulose is its exact biological ... form of microbial cellulose is that of a pellicle on the top of a static cultured growth media ... Environmental Microbiology, vol. 55, pp. 2448 2452, Oct. 1989. ref Uses Medical Microbial cellulose ... paper High strength paper Diet foods Desserts nata de coco Substrates for OLED s Sony has use microbial ...   more details



  1. Microbial consortium

    Distinguish Consorms A microbial consortium is two or more microbial group s living Symbiosis symbiotically . ref Clark, D.P., Dunlap, P.V., Madigan, M.T., Martinko, J.M. Brock, Biology of Microorganisms . San Francisco Pearson 2009. p. 485. ref ref name small things considered cite web url http schaechter.asmblog.org schaechter 2009 04 happy together life of the bacterial consortium chlorochromatium aggregatum.html title Happy Together Life of the Bacterial Consortium Chlorochromatium aggregatum accessdate 2012 01 11 last Mark first Martin date 2009 04 27 work Small Things Considered The Microbe Blog publisher American Society for Microbiology archiveurl http web.archive.org web 20090501115354 http schaechter.asmblog.org schaechter 2009 04 happy together life of the bacterial consortium chlorochromatium aggregatum.html archivedate 2009 05 01 quote Consortia are assemblages of different species of microbes in physical and sometimes intricate biochemical contact with one another, and are implicated in biological processes ranging from sewage treatment to marine nitrogen cycling to metabolic processes within the rumen. ref Notes reflist Category Microorganisms Category Microbiology biology stub ...   more details



  1. Microbial toxins

    Mergefrom Bacterial toxin date April 2010 Microbial toxins are toxin s produced by microorganisms, including bacteria, viruses and fungi. Microbial toxins are important virulence determinants responsible for microbial pathogenicity and or evasion of the host immune response . Some bacterial toxins, such as Botulinum neurotoxins, are the most potent natural toxins known. However, microbial toxins also have important uses in medical science and research. Potential applications of toxin research include combating microbial virulence, the development of novel anti cancer drugs and other medicines, and the use of toxins as tools in neurobiology and cellular biology . ref name ProftT cite book author Proft T editor year 2009 title Microbial Toxins Current Research and Future Trends publisher Caister Academic Press isbn 978 1 904455 44 8 ref Botulinum neurotoxin Botulinum neurotoxins BoNTs are the most potent natural toxins known. The family of BoNTs comprises seven antigenically distinct serotype ... R and Singh BR year 2009 chapter Botulinum Neurotoxins Structure and Mechanism of Action title Microbial ... Maldonado Arocho et al. year 2009 chapter Anthrax Toxin title Microbial Toxins Current Research and Future ... PatonAW cite book author Paton AW and Paton JC year 2009 chapter Subtilase Cytotoxin title Microbial ... multocida Toxin title Microbial Toxins Current Research and Future Trends publisher Caister Academic ... title Microbial Toxins Current Research and Future Trends publisher Caister Academic Press isbn ... 2009 chapter Helicobacter pylori VacA Toxin title Microbial Toxins Current Research and Future Trends ... title Microbial Toxins Current Research and Future Trends publisher Caister Academic Press isbn ..., Aspergillus originally was considered a serious problem largely because of its prevalence in the Microbial .... ref name ProftT cite book author Proft, T editor year 2009 title Microbial Toxins Current ... and Evolution title Microbial Toxins Current Research and Future Trends publisher Caister Academic ...   more details



  1. Microbial mat

    A microbial mat is a multi layered sheet of micro organism s, mainly bacteria and archaea . Microbial ... cite book title Atlas of Microbial Mat Features Preserved within the Siliciclastic Rock Record ... thick at most, microbial mats create a wide range of internal chemical environments, and hence ... s, but there are also spherical forms. Microbial mats are the earliest form of life on Earth for which ... the main chemical inputs for this are carbon dioxide and water. As a result microbial mats began ... cell , of which all multicellular organisms are composed. Microbial mats were abundant on the shallow ..., and are found on the floors of the deep oceans. Because of microbial mats ability to use almost ... 200px Stromatolites are formed by some microbial mats as the microbes slowly move upwards to avoid being smothered by sediment. Microbial mats have also been referred to as algae algal mats and bacteria ..., which make different levels suitable for different types of bacteria and thus divide microbial ... acts as an electron acceptor. ref cite doi 10.1038 nature08790 ref The best known types of microbial ... Structure A microbial mat consists of several layers, each of which is dominated ... journal title Community structure of a microbial mat the phylogenetic dimension author Risatti, J,B ... ecology of cyanobacteria in microbial mats and other communities, New Phytologist 1995 , 131, 1 32 ... Vertical Migrations of Cyanobacteria in a Microbial Mat , Appl. Environ. Microbiol., Dec 1995, 4215 4222, Vol 61, No. 12 ref Microbial mats are generally held together and bound to their Substrate biology ... bacteria, and diatom s, which often seal the surfaces of submerged microbial mats with thin, parchment ... journal title Physical, chemical, and microbiological characteristics of microbial mats KOPARA in the South ... ref Types of environment colonized Underwater microbial mats have been described as layers that live ... to survive for long periods without liquid water, often in a dormant state. Microbial mats ...   more details



  1. Microbial corrosion

    Microbial corrosion , also called bacterial corrosion , bio corrosion , microbiologically influenced corrosion , or microbially induced corrosion MIC , is corrosion caused or promoted by microorganism s, usually chemoautotroph s. It can apply to both metals and non metallic materials. Bacteria Some sulfate reducing bacteria produce hydrogen sulfide , which can cause sulfide stress cracking . Acidithiobacillus bacteria produce sulfuric acid Acidothiobacillus thiooxidans frequently damages sanitary sewer sewer pipes. Ferrobacillus ferrooxidans directly oxidizes iron to iron oxide s and iron hydroxide s the rusticle s forming on RMS Titanic RMS Titanic wreck are caused by bacterial activity. Other bacteria produce various acid s, both organic and mineral, or ammonia . In presence of oxygen, aerobic organism aerobic bacteria like Acidithiobacillus thiooxidans , Thiobacillus thioparus , and Thiobacillus concretivorus , all three widely present in the environment, are the common corrosion causing factors resulting in biogenic sulfide corrosion . Without presence of oxygen, Anaerobic organism anaerobic bacteria , especially Desulfovibrio and Desulfotomaculum , are common. Desulfovibrio salixigens requires at least 2.5 concentration of sodium chloride , but D. vulgaris and D. desulfuricans can grow in both fresh and salt water. D. africanus is another common corrosion causing microorganism. The Desulfotomaculum genus comprises sulfate reducing spore forming bacteria Dtm. orientis and Dtm ... with low mechanical strength in place. Various corrosion inhibitor s can be used to combat microbial corrosion. Formulae based on benzalkonium chloride are common in oilfield industry. Microbial corrosion ... green, gel like mats, and cause microbial corrosion to plastic and rubber parts of the aircraft fuel ... to increased awareness of the nature and danger of microbial corrosion, a two day international ... primarily focussed on the identification of Microbial Corrosion in Marine ocean marine , mining ...   more details



  1. Microbial intelligence

    Microbial intelligence popularly known as bacterial intelligence is the intelligence shown by microorganism s. The concept encompasses complex adaptive behaviour shown by single cells, and altruistic and or cooperative behavior in populations of like or unlike cells mediated by chemical signalling that induces physiological or behavioral changes in cells and influences colony structures. Complex cells, like protozoa or algae , show remarkable abilities to organise themselves in changing circumstances http www.brianjford.com 04 12 ingens.pdf . Shell building by amoebae, reveals complex discrimination and manipulative skills that are ordinarily thought to occur only in multicellular organisms. Even bacteria, which show primitive behavior as isolated cells, can display more sophisticated behavior as a population. These behaviors occur in single species populations, or mixed species populations. Examples are colonies of Myxobacteria , quorum sensing , and biofilm s. It has been suggested that a bacterial colony loosely mimics a biological neural network . The bacteria can take inputs in form of chemical signals, process them and then produce output chemicals to signal other bacteria in the colony. The mechanisms that enable single celled organisms to coordinate in populations presumably carried over in those lines that evolved multicellularity, and were co opted as mechanisms to coordinate multicellular organisms. Examples of microbial intelligence The formation of biofilm s requires joint decision by the whole colony. Under nutritional stress bacterial colonies can organise themselves in such a way so as to maximise nutrient availability. Bacteria reorganise themselves under ... Intelligent Bacteria? http www.paraschopra.com blog cat biohacking 10 Microbial Intelligence Microbial Intelligence Blog http www.webcitation.org query?url http www.geocities.com erach27&date ... of Turing theorem modelling ecosystems swarming Category Microbial population biology Category ...   more details



  1. Microbial biodegradation

    Interest in the microbial biodegradation of pollutant s has intensified in recent years as humanity strives to find sustainable ways to clean up contaminated environments. ref name KoukkouA I cite book author Koukkou, A I editor year 2011 title Microbial Bioremediation of Non metals Current Research publisher Caister Academic Press isbn 978 1 904455 83 7 ref ref name Diaz cite book author Diaz E editor . title Microbial Biodegradation Genomics and Molecular Biology edition 1st publisher Caister Academic Press year 2008 isbn 978 1 904455 17 2 ref These bioremediation and biotransformation methods endeavour to harness the astonishing, naturally occurring ability of microbial xenobiotic metabolism to degrade, transform or accumulate a huge range of compounds including hydrocarbon s e.g. oil , polychlorinated biphenyls PCBs , polyaromatic hydrocarbons PAHs , heterocyclic compounds such as pyridine or quinoline , pharmaceutical substances, radionuclide s and metals. Major methodological breakthroughs ... Insights Into the Aerobic Pathways for Degradation of Organic Pollutants title Microbial Biodegradation ... Anaerobic biodegradation of pollutants Anaerobic organism Anaerobic microbial mineralization of recalcitrant ... of Organic Pollutants title Microbial Biodegradation Genomics and Molecular Biology publisher ... RE et al. year 2008 chapter Bioavailability, Chemotaxis, and Transport of Organic Pollutants title Microbial ... is eliminated by the hydrocarbon degrading activities of microbial communities, in particular ... into Oil Biodegradation in Marine Systems title Microbial Biodegradation Genomics and Molecular ... chapter Emerging Technologies to Analyze Natural Attenuation and Bioremediation title Microbial Biodegradation ... Degradation Machinery title Microbial Biodegradation Genomics and Molecular Biology publisher Caister ... External links http www.horizonpress.com gateway biodegradation.html Microbial Biodegradation http www.horizonpress.com blogger 2007 09 microbial biodegradation bioremediation.html Biodegradation, Bioremediation ...   more details



  1. Microbial phylogenetics

    Microbial phylogenetics is the study of the evolution ary relatedness among various groups of microorganism s. The molecular approach to microbial Molecular phylogenetics phylogenetic analysis , pioneered by Carl Woese in the 1970s and leading to the three domain model Archaea , Bacteria , Eucaryota , revolutionized our thinking about evolution in the microbial world. Phylogenetic analysis plays a central role in microbiology and the emerging fields of comparative genomics and phylogenomics require substantial knowledge and understanding of phylogenetic analysis and computational methods. ref name OrenA cite book author Oren, A Papke, RT editor year 2010 title Molecular Phylogeny of Microorganisms publisher Caister Academic Press isbn 978 1 904455 67 7 ref ref name Blum cite book author Blum, P editor year 2010 title Archaea New Models for Prokaryotic Biology publisher Caister Academic Press isbn 978 1 904455 27 1 ref Historical overview When at the end of the 19th century information began to accumulate about the diversity within the bacteria l world, scientists started to include the bacteria in phylogenetic schemes to explain how life on Earth may have developed. Some of the early phylogenetic tree s of the prokaryote world were morphology based others were based on the then current ... number of prokaryotes are now leading to further modifications of our views on microbial phylogeny ... in microbial molecular systematics. In this context, MLSA is implemented in a relatively straightforward ... MLSAs in the microbial molecular systematics literature is known to systematists working ... of these conflicts is varied, but in the microbial world the strongest conflicting signals often ... for understanding microbial phylogeny at different phylogenetic depths. The phyla of prokaryotes ... References reflist External links http www.highveld.com pages microbial phylogenetics.html Microbial phylogenetics Category Phylogenetics ...   more details



  1. Microbial inoculant

    merge from Soil inoculant discuss Talk Microbial inoculant Merge proposal date November 2011 Microbial inoculants also known as soil inoculant s are agricultural amendments that use beneficial microbes bacteria or fungi to promote plant health. Many of the microbes involved form symbiotic relationships with the target crops where both parties benefit Mutualism biology mutualism . While microbial inoculants are applied to improve plant nutrition, they can also be used to promote plant growth by stimulating plant hormone production Bashan & Holguin, 1997 Sullivan, 2001 . Research into the benefits of inoculants in agriculture extends beyond their capacity as biofertilisers. Microbial inoculants can initiate systemic acquired resistance SAR of crop species to several common crop diseases. So far SAR has been demonstrated for powdery mildew Blumeria graminis f. sp. hordei , Heitefuss, 2001 , take all Gaeumannomyces graminis var. tritici , Khaosaad et al. , 2007 , leaf spot Pseudomonas syringae , Ramos Solano et al. , 2008 and root rot Fusarium culmorum , Waller et al. 2005 . Rhizobacterial inoculants The rhizobacteria commonly applied as inoculants include nitrogen fixers and phosphate solubilisers which enhance the availability of the macronutrients nitrogen and phosphorus to the host plant. Such bacteria are commonly referred to as plant growth promoting rhizobacteria PGPR . Nitrogen fixing bacteria The most commonly applied rhizobacteria are Rhizobium and closely related genera. Rhizobium are nitrogen fixing bacteria that form symbiotic associations within nodules on the roots of legumes . This increases host nitrogen nutrition and is important to the cultivation of soybeans, chickpeas and many other leguminous crops. For non leguminous crops, Azospirillum has been demonstrated to be beneficial for nitrogen fixation and plant nutrition Bashan & Holguin, 1997 . For cereal crops, diazotrophic rhizobacteria have increased plant growth Galal et al. , 2003 , grain yield Caballero ...   more details



  1. Microbial cyst

    Image Entamoeba histolytica 01.jpg thumb Cyst stage of Entamoeba histolytica A microbial cyst is a resting or dormancy dormant stage of a microorganism, usually a bacterium or a protist or rarely an invertebrate animal , that helps the organism to survive in unfavorable environmental conditions. It can be thought of as a state of suspended animation in which the metabolic processes of the cell are slowed down and the cell ceases all activities like feeding and locomotion. Encystment also helps the microbe to disperse easily, from one host biology host to another or to a more favorable environment. When the encysted microbe reaches an environment favorable to its growth and survival, the cyst wall breaks down by a process known as excystation . Unfavorable environmental conditions such as lack of nutrients or oxygen, extreme temperatures, lack of moisture and presence of toxic chemicals, which are not conducive for the growth of the microbe ref name Nester Eugene W. Nester, Denise G. Anderson, C. Evans Roberts Jr., Nancy N. Pearsall, Martha T. Nester Microbiology A Human Perspective , 2004, Fourth Edition, ISBN 0072919248 ref trigger the formation of a cyst. Cyst formation across species In bacteria In bacteria for instance, Azotobacter sp. , encystment occurs by changes in the cell wall the cytoplasm contracts and the cell wall thickens. Bacterial cysts differ from endospore s in the way they are formed and also the degree of resistance to unfavorable conditions. Endospores are much more resistant than cysts. In protists Protists, especially protozoa n parasites, are often exposed to very harsh conditions at various stages in their life cycle. For example, Entamoeba histolytica , a common intestinal parasite that causes dysentery , has to endure the highly acidic environment of the stomach before it reaches the intestine and various unpredictable conditions like desiccation ... microbiologia kk pl Cysta biologia ru simple Microbial cyst uk ...   more details



  1. Microbial metabolism

    Microbial metabolism is the means by which a microbe obtains the energy and nutrients e.g. carbon it needs to live and reproduce. Microbes use many different types of metabolism metabolic strategies and species can often be differentiated from each other based on metabolic characteristics. The specific metabolic properties of a microbe are the major factors in determining that microbe s ecological niche , and often allow for that microbe to be useful in biotechnology industrial processes or responsible for biogeochemistry biogeochemical cycles. The redirect page Knallgas arrives here. Please consider changing the link if you change the name of this section. Thanks. Types of microbial metabolism Image Troph flowchart.svg thumb 350px right Flow chart to determine the metabolic characteristics of microorganisms main Primary nutritional groups All microbial metabolisms can be arranged according to three principles 1. How the organism obtains carbon for synthesising cell mass autotroph ic carbon is obtained from carbon dioxide CO sub 2 sub heterotroph ic carbon is obtained from organic compound s mixotroph ic carbon is obtained from both organic compounds and by fixing carbon dioxide 2. How the organism obtains reducing equivalent s used either in energy conservation or in biosynthetic reactions lithotroph ic reducing equivalents are obtained from inorganic compound s organotroph ic reducing equivalents are obtained from organic compounds 3. How the organism obtains energy for living ... to photolithoautotrophy with hydrogen Heterotrophic microbial metabolism Most microbes are heterotrophic ... or parasite s or find in dead organic matter of all kind saprophage s . Microbial metabolism ... to fix CO sub 2 sub and obtain cellular carbon. Syntrophy Syntrophy, in the context of microbial ... Acetogenesis is a type of microbial metabolism that uses hydrogen H sub 2 sub as an electron donor ... see Microbial metabolism Energy for reduction above . In all cases the energy liberated is transferred ...   more details



  1. Outline of genetics

    see also Index of genetics articles The following outline is provided as an overview of and topical guide to genetics Genetics &ndash science of gene s, heredity , and genetic variation variation in living ... www.ncbi.nlm.nih.gov books bv.fcgi?rid iga.section.60 chapter Genetics and the Organism Introduction editor first William M. ref ref name Hartl and Jones Hartl D, Jones E 2005 ref Genetics deals with the molecular Genetics molecular structure and function of genes, and gene behavior in context of a cell biology cell or organism e.g. dominance genetics dominance and epigenetics , patterns of inheritance from parent to offspring, and gene distribution, variation and change in population genetics populations . Essence of genetics main Genetics Introduction to genetics Chromosome DNA Genetic variation Heredity Branches of genetics Behavioural genetics Classical genetics Developmental genetics Conservation genetics Ecological genetics Evolutionary genetics Genetic engineering Metagenics Genetics of intelligence Genomics Human genetics Human evolutionary genetics Human mitochondrial genetics Medical genetics Microbial genetics Molecular genetics Population genetics Archaeogenetics Archaeogenetics of the Near East Psychiatric genetics Quantitative genetics Multi disciplinary fields that include genetics Evolutionary anthropology History of genetics Main article History of genetics Heredity ... Neanderthal genome project General genetics concepts adenine adenosine deaminase deficiency ... disorder contig craniosynostosis cystic fibrosis cytogenetic map cytosine deletion genetics deletion deoxyribonucleic acid DNA diabetes mellitus diploid DNA replication DNA sequencing Dominance genetics ... rights intron Biological issues in Jurassic Park Biotechnological background Jurassic Park genetics of karyotype knockout leukemia Locus genetics locus Lod score LOD score lymphocyte malformation ... RNA mRNA metaphase microarray technology Microsatellite genetics microsatellite mitochondrial DNA monosomy ...   more details



  1. Encyclopedia of Genetics

    The Encyclopedia of Genetics ISBN 0 12 227080 0 is a print encyclopedia of genetics . It has four volumes and 1,700 entries. It is not available online. science book stub ref book stub Category Encyclopedias on science and mathematics Genetics ...   more details



  1. Bacterial genetics

    Bacterial genetics is the subfield of genetics devoted to the study of bacteria. Bacterial genetics are subtly different from eukaryotic genetics, however bacteria still serve as a good model for animal genetic studies. One of the major distinctions between bacterial and eukaryotic genetics stems from the bacteria s lack of membrane bound organelles this is true of all prokaryotes. While it is a fact that there are prokaryotic organelles, they are never bound by a lipid membrane, but by a shell of proteins , necessitating protein synthesis occur in the cytoplasm . Genetics stub Category Bacteria Category Genetics ...   more details



  1. Crt (genetics)

    Orphan date February 2009 Unreferenced date January 2007 CRT is the gene cluster responsible for the biosynthesis of carotenoid s. genetics stub Category Carotenoids Category Genetics ...   more details



  1. Genetics (journal)

    other uses Journal of Genetics Infobox journal title Genetics cover File Genetics journal .gif editor Mark Johnston discipline Genetics peer reviewed language English language English abbreviation Genetics publisher Genetics Society of America country United States frequency history 1916 present openaccess After 12 months license impact 3.889 impact year 2009 website http www.genetics.org link1 link1 name link2 link2 name RSS atom JSTOR OCLC LCCN CODEN ISSN 0016 6731 eISSN 1943 2361 boxwidth Genetics is a monthly scientific journal publishing investigations bearing on heredity , genetics , biochemistry and molecular biology . Genetics is published by the Genetics Society of America . As with many other journals published by scientific societies, it has a delayed Open access publishing open access policy, and makes articles available online without a subscription after 12 months have elapsed since first publication. George Harrison Shull was the founding editor of Genetics in 1916. Its 2009 impact factor is 3.889. External links http www.genetics.org Official website DEFAULTSORT Genetics Journal Category Genetics journals Category Delayed open access journals Category English language journals Category Publications established in 1916 biology journal stub fr Genetics ...   more details



  1. PLoS Genetics

    Infobox Journal cover File PLoSgenetlogo.png discipline Genetics abbreviation PLoS Genet website http www.plosgenetics.org editor Gregory S. Barsh publisher Public Library of Science country United States USA frequency Weekly impact 9.532 impact year 2009 ISSN 1553 7390 eISSN 1553 7404 RSS http www.plosgenetics.org static rssFeeds.action history July 2005 present openaccess Yes license Creative Commons Attribution License PLoS Genetics is a peer reviewed , open access publishing open access academic journal journal that reflects the interdisciplinary nature of genetics and genomics research by publishing contributions in all areas of biology . The journal is indexed in PubMed Central , PubMed , and ISI Web of Knowledge , and was originally created by Wayne Frankel commonscat Images from PLoS Genetics PLoS Category Creative Commons licensed journals Category Genetics journals Category Open access journals biology journal stub fr PLoS Genetics pl PLoS Genetics pt PLoS Genetics ru PLoS Genetics ...   more details



  1. Classical genetics

    Unreferenced stub auto yes date December 2009 Classical genetics consists of the technique and methodologies of genetics that predate the advent of molecular biology . A key discovery of classical genetics in eukaryote s was genetic linkage . The observation that some gene s do not segregate independently at meiosis broke the laws of Mendelian inheritance , and provided science with a way to map characteristics to a location on the chromosome s. Linkage maps are still used today, especially in breeding for plant improvement . After the discovery of the genetic code and such tools of Clone genetics cloning as restriction enzyme s, the avenues of investigation open to geneticists were greatly broadened. Some classical genetic ideas have been supplanted with the mechanistic understanding brought by molecular discoveries, but many remain intact and in use. Classical genetics is often contrasted with reverse genetics , and aspects of molecular biology are sometimes referred to as molecular genetics . See also Gregor Mendel Thomas Hunt Morgan Genetics footer DEFAULTSORT Classical Genetics Category Classical genetics Genetics stub ar ca Gen tica cl ssica es Gen tica cl sica ko it Genetica formale ja pt Gen tica cl ssica sr th tr Klasik genetik ...   more details




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