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Drosophila pseudoobscura





Encyclopedia results for Drosophila pseudoobscura

  1. Drosophila melanogaster species group

    DISPLAYTITLE Drosophila melanogaster species group Taxobox name Drosophila melanogangster species group ... Drosophilinae genus Drosophila subgenus Sophophora species group melanogaster subdivision ranks species subgroups subdivision Drosophila denticulata species subgroup denticulata Drosophila elegans species subgroup elegans Drosophila eugracilis species subgroup eugracilis Drosophila ficusphila species subgroup ficusphila Drosophila flavohirta species subgroup flavohirta Drosophila longissima species subgroup longissima Drosophila melanogaster species subgroup melanogaster Drosophila rhopaloa species subgroup rhopaloa Drosophila suzukii species subgroup suzukii Drosophila takahashii species subgroup takahashii The Drosophila melanogaster species group belongs to the subgenus Sophophora and contains ... questioning the Drosophila melanogaster species group boundaries. Journal of Zoological Systematics ... 1   Drosophila melanogaster species subgroup melanogaster   species   subgroup 2   Drosophila flavohirta species subgroup flavohirta   species   subgroup 2 clade 1   Drosophila takahassii species subgroup takahashii and Drosophila suzukii species subgroup suzukii   species   subgroup 2   Drosophila eugracilis species subgroup eugracilis   species   subgroup 2   Drosophila ficusphila species subgroup ficusphila   species   subgroup 2 clade 1   Drosophila elegans species subgroup elegans   species   subgroup 2   Drosophila ... subgroups Drosophila denticulata species subgroup D. denticulata species subgroup Drosophila elegans species subgroup D. elegans species subgroup Drosophila eugracilis species subgroup D. eugracilis species subgroup Drosophila ficusphila species subgroup D. ficusphila species subgroup Drosophila flavohirta species subgroup D. flavohirta species subgroup Drosophila longissima species subgroup D. longissima species subgroup Drosophila melanogaster species subgroup D. melanogaster species subgroup ...   more details



  1. Drosophila populi species group

    One source date September 2011 DISPLAYTITLE Drosophila populi species group Taxobox name Drosophila populi species group regnum Animal ia phylum Arthropod a classis Insect a ordo Fly Diptera familia Drosophilidae subfamilia Drosophilinae genus Drosophila subgenus Sophophora species group populi species group authority Lemeunier and Ashburner, 1976 subdivision ranks species subdivision Drosophila ingrica Drosophila populi The Holarctic Drosophila populi species group belongs to the subgenus Sophophora and contains two species, Drosophila ingrica and Drosophila populi . D. ingrica is found in the Palearctic , while D. populi is found in the Nearctic . Both species are found in the northernmost subarctic forest zone, and are strongly associated with Populus cotton wood . ref Vilela, C. R., and G. B chli. 2009. Redescription of the Alaskan species Drosophila populi Diptera, Drosophilidae . Mitteilungen der Schweizerische Entomologischen Gesellschaft 82 259 269. ref References reflist Category Drosophilidae fly stub vi Nh m lo i Drosophila populi ...   more details



  1. Drosophila C virus

    Taxobox color violet name Drosophila C virus virus group iv familia Dicistroviridae genus Cripavirus species Drosophila C virus Drosophila C virus belongs to the genus Cripavirus and was previously thought to be a member of the virus family Picornaviridae it has since been classified as belonging to the Dicistroviridae . an unknown virus family. ref name ebi http www.ebi.ac.uk 2can genomes genomes.html?http www.ebi.ac.uk 2can genomes viruses Drosophila C virus.html Genomes Bot generated title ref It is a single stranded positive sense RNA virus of approximately 9300 nucleotide s and it contains two open reading frame s. ref name ebi The virus particles are 30  nm in diameter and are made up of approximately 30 of RNA and 70 protein . ref name sgmjournals http vir.sgmjournals.org cgi content abstract 34 2 269 Characterization of the Drosophila C Virus Jousset et al. 34 2 269 Journal of General Virology Bot generated title ref The virus capsid is composed of three major polypeptide s and two minor polypeptides. ref name sgmjournals Drosophila C virus infects Drosophila melanogaster and was first discovered in the early 1970s in a French strain of drosophila. ref name ebi The virus is transmitted by feeding so is almost non pathogenic. However experimental evidence has shown that when injected into adult flies the virus is incredibly pathogenic as it causes the adult flies to die within 3 4 days following injection. ref name ebi Drosophila that are infected with Drosophila C ... to drosophila not infected with the virus. ref name ebi Infection with drosophila C virus can also increase mortality rate within a drosophila population. ref http www.ingentaconnect.com content ap in 2000 00000075 00000002 art04913 IngentaConnect Virulence Variability of the Drosophila C Virus and Effects of th Bot generated title ref References references DEFAULTSORT Drosophila C Virus Category Viruses Virus stub es Drosophila C virus ...   more details



  1. Drosophila X virus

    Taxobox color violet name Drosophila X virus virus group iii familia Birnaviridae genus Entomobirnavirus species Drosophila X virus Drosophila X virus is a virus that can infect Drosophilidae fruit flies of the genus Drosophila and is commonly used to study innate immunity in the common model organism Drosophila melanogaster . The viral capsid is roughly hexagonal and icosahedral ly symmetrical. The genome of the virus consists of two linear, double stranded RNA molecules. As a result, the virus is often used to study RNA interference as a mechanism of viral immunity in Drosophila . Although widely used in the laboratory, DXV has never been found as a natural infection of Drosophila, and was originally identified in Laboratory cell culture. References http www.ncbi.nlm.nih.gov ICTVdb ICTVdB 00.009.0.03.001.htm ICTVdB Management 2006 . 00.009.0.03.001. Drosophila X virus . In ICTVdB The Universal Virus Database, version 4. B chen Osmond, C. Ed , Columbia University, New York, USA. Brun, G. & Plus, N. in The genetics and biology of Drosophila eds. Ashburner, M. & Wright, T. R. F. 625 702 Academic Press, New York., 1980 . DEFAULTSORT Drosophila X Virus Category Viruses Virus stub de Entomobirnavirus ...   more details



  1. Drosophila melanogaster species subgroup

    DISPLAYTITLE Drosophila melanogaster species subgroup Taxobox name Drosophila melanogangster species subgroup regnum Animal ia phylum Arthropod a classis Insect a ordo Fly Diptera familia Drosophilidae genus Drosophila subgenus Sophophora species group Drosophila melanogaster species group melanogaster group The Drosophila melanogaster species subgroup contains 9 species, including the best known species Drosophila melanogaster and Drosophila simulans D. simulans . The subgroup belongs to the Drosophila melanogaster species group Drosophila melanogaster species group within the subgenus Sophophora . Phylogeny userboxtop toptext   clade style font size 85 line height 85 1 clade 1 clade 1   Drosophila melanogaster D. S. melanogaster 2 clade 1   Drosophila simulans D. S. simulans 2   D. S. mauritiana 3   D. S. sechellia 2 clade 1 clade 1 clade 1   D. S. yakuba 2   D. S. santomea 2   D. S. teissieri 2 clade 1   D. S. orena 2   D. S. erecta userboxbottom toptext   melanogaster complex Drosophila melanogaster D. S. melanogaster small Meigen, 1830 small simulans complex Drosophila simulans D. S. simulans small Sturtevant, 1919 small D. S. mauritiana small Tsacas and David, 1974 small D. S. sechellia small Tsacas and B chli, 1981 small yakuba complex D. S. yakuba small Burla, 1954 small D. S. santomea small Lachaise and Harry, 2000 small D. S. teissieri small Tsacas, 1971 small erecta complex D. S. erecta small Tsacas and Lachaise, 1974 small D. S. orena small Tsacas and David, 1978 small td tr table The species of the simulans complex form a hard polytomy . Most likely, the island species D. S. mauritiana Mauritius and D. S. sechellia Seychelles branched of from the mainland species D. S. simulans in such a narrow time frame that it is impossible ..., S. Elwyn, S. Y. Kim & A. Llopart 2004. Genetic studies of two sister species in the Drosophila melanogaster ... genetics of the origin and divergence of the Drosophila simulans complex species. Genetics ...   more details



  1. Drosophila roX RNA

    Infobox rfam Name Drosophila roX1 ncRNA image Rox1 SS.png width caption Conserved secondary structure of roX1 RNA Symbol roX1 AltSymbols Rfam RF01667 miRBase miRBase family RNA type Cis regulatory element Tax domain Drosophila GO SO CAS number EntrezGene HGNCid OMIM PDB RefSeq Chromosome Arm Band LocusSupplementaryData RoX RNA is a non coding RNA ncRNA present in the male specific lethal MSL complex and is required for sex dosage compensation in Drosophila . As males only contain one X chromosome , male flies dosage compensate for the X chromosome by hyper transcribing the X chromosome. This is achieved by the MSL complex binding to the X chromosome and inducing histone H4 lysine 16 acetylation and allows for the formation of euchromatin . ref name pmid10679323 Cite pmid 10679323 ref ref name pmid16204180 Cite pmid 16204180 ref These ncRNAs were first discovered in RNA extracted from neuronal cells. ref name pmid9038337 cite journal doi 10.1016 S0092 8674 00 81886 3 author Amrein H, Axel R title Genes expressed in neurons of adult male Drosophila. journal Cell volume 88 issue 4 pages 459 69 year 1997 pmid 9038337 ref Two roX RNAs have been identified in the MSL complex from Drosophila melanogaster and have been shown to be conserved across different drosophila species. The two roX RNAs, known as roX1 and roX2 have been shown to differ in primary sequence and sequence length but despite these differences they both contain a MSL binding site are functionally redundant. ref name pmid10445033 Cite pmid 10445033 ref ref name pmid11867536 Cite pmid 11867536 ref Cloning roX genes and subsequent sequence alignment from a number of different drosophila species identified several conservation genetics conserved regions and it was also noticed that roX RNA is only present in male flies. ref name pmid18039876 Cite pmid 18039876 ref Secondary structure predictions predicted a stem ... External links Rfam id RF01667 name Drosophila rox1 ncRNA Rfam id RF01666 name Drosophila rox2 ...   more details



  1. Border cells (Drosophila)

    locus encodes the Drosophila homolog of the mammalian CCAAT Enhancer Binding Protein C EBP a basic ...   more details



  1. Drosophila Genetic Reference Panel

    Drosophila Genetic Reference Panel DGRP is a suite of D. melanogaster lines derived from an out crossed population in Raleigh, North Carolina Raleigh , North Carolina . The founders of these lineages were collected from the Raleigh State Farmer s Market ref http www.ncagr.gov markets facilities markets raleigh index.htm ref Coord 35.764254 78.662935 . The suite consists of 192 fully sequenced lines which have been inbred to near homozygous homozygosity . The primary goal of the DGRP is to provide a common set of strain for quantitative genetics research in Drosophila . Each researcher who uses the lines from the DGRP will have access to other researchers data, which will be stored in a publicly available database. This allows for analyses to be performed across studies without having to worry about complications arising from different labs using genomically different lines of fruit flies. ref http flybase.org static pages news whitepapers Drosophila Genetic Reference Panel Whitepaper.pdf ref Objectives These lines are useful for performing QTL maps, as every line is fully sequenced. This allows for association mapping to be performed, which looks for genomic regions that are correlated to a phenotype. As labs produce QTL maps a comprehensive picture of the Drosophila genome will emerge with unprecedented resolution. Currently, dozens of quantitative traits are being examined by researchers, including longevity , phototaxis , mating behavior , morphology biology wing morphology and oviposition site preference. Current Uses The pilot proof of concept and development of the DGRP came from the Trudy Mackay lab in Raleigh, North Carolina. The sequencing was done by Baylor College of Medicine Sequencing Center, in collaboration with Richard Gibbs biologist Richard Gibbs and Stephen ... i Drosophila genRefPanel.hgsc ref . Raw sequencing data from the project can be found in the NCBI ... . The study investigates the sleep behavior of Drosophila to uncover the genes that are responsible ...   more details



  1. Mohamed Noor

    Mohamed Noor is a Professor and Associate Chair of Biology at Duke University . His specialities include Evolution , Genetics and Genomics . With a BS from the College of William and Mary 1992 and a PhD from University of Chicago 1996 , together with a postdoctoral residency at Cornell University 1996 1998 , he specialises in Drosophila evolution and in 2007 contributed to the publication on sequencing the genomes of twelve Drosophila species. The corresponding paper published in Nature journal Nature that year has become the benchmark for the emerging field of comparative genomics. Likewise, Noor was one of the first scientists to demonstrate by experiment speciation by reinforcement , that is, as a result of natural selection mating preferences diverge against deleterious Hybrid biology hybridization and reduce gene flow between species. He is also known for developing along with others a model wherein regions of restricted recombination, as by chromosomal inversions , facilitate the persistence of hybridizing species. He was editor for the international journal Evolution journal Evolution , is or was associate editor for several other journals, and the author of close to 100 publications. In 2008 he was awarded the Darwin Wallace Medal . Recent publications Drosophila 12 Genomes Consortium Noor is 151st author of 417 , Evolution of genes and genomes on the Drosophila phylogeny. , Nature, vol. 450 no. 7167 November, 2007 , pp.  203 218 abs . MAF Noor, DA Garfield, SW Schaeffer, CA Machado, Divergence Between the Drosophila pseudoobscura and D. persimilis Genome Sequences in Relation to Chromosomal Inversions. , Genetics, vol. 177 no. 3 November, 2007 , pp.  1417 1428 abs . References http fds.duke.edu db aas Biology faculty noor Duke University Biology Department Persondata Metadata see Wikipedia Persondata . NAME Noor, Mohamed ALTERNATIVE NAMES SHORT DESCRIPTION DATE OF BIRTH PLACE OF BIRTH DATE OF DEATH PLACE OF DEATH DEFAULTSORT Noor, Mohamed Category G ...   more details



  1. Michael Murphy Andregg

    Among the Chromosomes of Drosophila pseudoobscura of the Genes Governing the Response to Light ... of Drosophila pseudoobscura of the Genes Governing the Response to Light. Genetics, 81 2, 1975. ref and Ecological Variables Affecting the Dispersal Behavior of Drosophila pseudoobscura and its Relatives ... the Dispersal Behavior of Drosophila pseudoobscura and its Relatives. Genetics, 83 2, 1976 ref After ... of Drosophila pseudoobscura. Genetics, 83 3, 1976. Dobzhansky, Theodosius, J.R. Powell, C. Taylor and M. Andregg. Ecological Variables Affecting the Dispersal Behavior of Drosophila pseudoobscura ... Preferences in Natural Populations of Drosophila. Nature, March, 1976. Dobzhansky, Theodosius, Olga Pavlovski and Michael Andregg. Distribution Among the Chromosomes of Drosophila pseudoobscura of the Genes .... Learning in Drosophila? Experimental Evidence for Response Perseveration and Theoretical Implications ...   more details



  1. Bicoid 3'-UTR regulatory element

    Infobox rfam Name Bicoid 3 UTR regulatory element image RF00551.jpg width 200px caption Stem loop structure of the bicoid three prime untranslated region 3 UTR regulatory element Symbol bcd AltSymbols Rfam RF00551 miRBase miRBase family RNA type Cis reg Tax domain Insecta CAS number EntrezGene HGNCid OMIM PDB RefSeq Chromosome Arm Band LocusSupplementaryData The bicoid 3 UTR regulatory element is an mRNA regulatory element that controls the gene expression of the bicoid protein in in fruitfly Drosophila Melanogaster . The structured RNA element consists of four domains denoted as II, III, IV and V in the 3 UTR of the mRNA . It is essential for the correct transport and localisation of bicoid mRNA during oocyte and embryo cellular differentiation differentiation , which has been studied most thoroughly in the developmental biology development of Drosophila melanogaster fruitfly larva e. ref name pmid3143913 cite journal author Macdonald PM, Struhl G title cis acting sequences responsible for anterior localization of bicoid mRNA in Drosophila embryos. journal Nature volume 336 issue 6199 pages 595 8 year 1988 pmid 3143913 doi 10.1038 336595a0 ref ref name pmid2081457 cite journal author MacDonald PM title bicoid mRNA localization signal phylogenetic conservation of function and RNA secondary structure. journal Development volume 110 issue 1 pages 161 71 year 1990 pmid 2081457 ref ref name pmid1975239 cite journal author Seeger MA, Kaufman TC title Molecular analysis of the bicoid gene from Drosophila pseudoobscura identification of conserved domains within coding and noncoding regions of the bicoid mRNA. journal EMBO J volume 9 issue 9 pages 2977 87 year 1990 pmid 1975239 pmc 552015 ref ref cite journal last Ehresmann C first C year 2004 title Secondary structure of the 3 UTR of bicoid mRNA journal Biochimie volume 86 pages 91 104 doi 10.1016 j.biochi.2004.01.002 pmid 15016447 last2 Ehresmann first2 C issue 2 ref References reflist 1 External links Rfam id RF00551 nam ...   more details



  1. Human Genome Sequencing Center

    . The sequencing for the Drosophila Genetic Reference Panel was performed here. The DGRP is a collaborative effort started by Trudy Mackay to establish a common standard for Drosophila melanogaster ...   more details



  1. J.L. Hubby

    John Lee Jack Hubby March 19 1932, Clovis, New Mexico March 28, 1996, Santa Fe, New Mexico was an United States American geneticist, pioneer of gel electrophoresis and co author with Richard Lewontin of foundational studies in the field of molecular evolution . After earning a PhD from the University of Texas in 1959, Hubby took a postdoctoral fellowship at the University of Chicago , followed a faculty position there. In the early 1960s, he developed new applications for gel electrophoresis. He applied the technique to identify different version of the same protein reflecting different allele s for the same genetic locus in fruit flies. Hubby collaborated with Lewtontin to produce two breakthrough papers in 1966 that used electrophoresis to determine the level of genetic variation in natural populations of Drosophila pseudoobscura . Their studies revealed high levels of heterozygosity relative to the predictions of most evolutionary theorists. ref http chronicle.uchicago.edu 960425 obithubby.shtml Obituary John Hubby, BSD , Chicago Chronicle , April 25, 1996, Vol. 15, No. 16. Accessed May 24, 2008 ref Hubby died in 1996, aged 64. Notes and references Reflist External links http chronicle.uchicago.edu 960425 obithubby.shtml Obituary, Chicago Chronicle http query.nytimes.com gst fullpage.html?res 9E0DE3D61639F93BA15757C0A960958260 Obituary, New York Times http www.newspaperarchive.com SiteMap FreePdfPreview.aspx?img 108543672 Obituary, Santa Fe New Mexican Persondata Metadata see Wikipedia Persondata . NAME Hubby, J. L. ALTERNATIVE NAMES SHORT DESCRIPTION DATE OF BIRTH March 19, 1932 PLACE OF BIRTH DATE OF DEATH March 28, 1996 PLACE OF DEATH DEFAULTSORT Hubby, J. L. Category 1932 births Category 1996 deaths Category American geneticists Category University of Texas alumni Category University of Chicago faculty Category People from Curry County, New Mexico Category Article Feedback 5 US biologist stub geneticist stub ...   more details



  1. Bateson-Dobzhansky-Muller Model

    The Bateson Dobzhansky Muller Model ref http www.ncbi.nlm.nih.gov pmc articles PMC1207686 pdf ge14441331.pdf Dobzhansky, Bateson, and the genetics of speciation. ref is a model of the evolution of genetic incompatibility. The theory was first described by William Bateson in 1909 ref cite journal last Batson first William title Heredity and variation in modern lights journal Darwin and Modern Science year 1909 pages 85 81 ref , then independently described by Theodosius Dobzhansky in 1934 ref cite journal last Dobzhansky first Theodosius title Studies on Hybrid Sterility . I. Spermatogenesis in pure and hybrid Drosophila pseudoobscura journal Zeitschrift f r Zellforschung und mikroskopische Anatomie year 1934 volume 21 pages 169 221 url http resources.metapress.com pdf preview.axd?code k8473n7380186x54&size largest ref , and later elaborated by Hermann Joseph Muller Herman Muller . The model attempts to explain how incompatibilities between closely related species develop without either of them going through an Fitness landscape adaptive valley . In its simplest form the model shows that changes in at least two loci are required to cause hybrid incompatibility, or at least a decrease in fitness between individuals from two ancestrally identical, but Allopatry allopatric populations. This is based on the idea that a new allele which has arisen at one locus in one population should not cause decreased fitness when placed into the identical except for one allele genetic background of the second population. Therefore another allele at a second locus which is incompatible with the first must have arisen. See Also William Bateson Theodosius Dobzhansky Hermann Joseph Muller References reflist Category Evolutionary biology tr Bateson Dobzhansky Muller Modeli ...   more details



  1. Infinite alleles model

    . II. Amount of variation and degree of heterozygosity in natural populations of Drosophila pseudoobscura ... which showed high levels of genetic variation in Drosophila via protein electrophoresis , the theoretical ...   more details



  1. Jody Hey

    Jody Hey is an evolutionary biology evolutionary biologist at Rutgers University . In the 1980s and 1990s he did research on natural selection and species divergence in fruit flies Drosophila . More recently he has worked on the divergence of Cichlid cichlid fishes from Lake malawi Lake Malawi , on chimpanzee s and on human populations. His research on speciation divergence and speciation also lead him to study the species problem difficulties of identifying species . Hey has also conducted mathematical and statistical research in population genetics. He is the author of several computer programs that are used by other biologists for questions in population genetics . In 2004 Hey and Rasmus Nielsen produced the computer program IM, ref Hey, J., and R. Nielsen. 2004. Multilocus methods for estimating population sizes, migration rates and divergence time, with applications to the divergence of Drosophila pseudoobscura and D. persimilis. Genetics 167 747 760. ref which implements a method for fitting an isolation with migration model to a pair of closely related populations or species. They updated this method with a new program in 2007 called IMa. ref Hey, J., and R. Nielsen. 2007. Integration within the Felsenstein equation for improved Markov chain Monte Carlo methods in population genetics. Proceedings of the National Academy of Sciences of the United States of America 104 2785 2790. ref In 1998 Hey received a Guggenheim fellowship. In 2008 Hey was elected to the presidency of the Society for Molecular Biology and Evolution Hey on the species problem Although a geneticist and evolutionary biologist, Hey has also published on philosophical and historical aspects of the species problem . He has argued that the difficulties of defining species cannot be addressed without also appreciating people s motivations and tendencies with regard to categorization. ref Hey, J. 2001. Genes Categories and Species. Oxford University Press, New York, NY. ref ref Hey, J. 2001. The mi ...   more details



  1. Ron Konopka

    of another fly strain, Drosophila pseudoobscura . This cell group normally consists of four clustered ... ethyl methanesulfonate EMS to induce point mutations in the Drosophila melanogaster genome, and eventually ... ?page 1 Clock Mutants of Drosophila melanogaster . Proc. Nat. Acad. Sci. , 68 , 2112. Retrieved April ... cite journal last Konopka first Ronald J title Genetics of Biological Rhythms in Drosophila journal ... to about 40 . In two aperiodic strains of D. pseudoobscura , the percentages of abnormally located cells ... that neurosecretory cells may be part of the Drosophila circadian system and that per gene product ... RJ coauthors Wells title Drosophila clock mutations affect the morphology of a brain neurosecretory ... pacemaker in Drosophila journal Nature volume 279 issue 5710 pages 236 238 year 1979 doi 10.1038 ..., Konopka worked to understand behaviors of Drosophila per mutants beyond their abnormal period lengths ... of Drosophila clock mutants journal J. Neurogenet. volume 21 issue 4 pages 243 52 year 2007 pmid 18161586 ... title Phenotypic and genetic analysis of Clock , a new circadian rhythm mutant in Drosophila melanogaster ... Konopka RJ, Smith RF, Orr D title Characterization of Andante , a new Drosophila clock mutant, and its ...   more details



  1. Sperm heteromorphism

    fly Drosophila pseudoobscura , but the results suggested that cheap filler was not important in that species ... a nucleus, meaning it contains no genetic information at all. Drosophila fruit flies the D. obscura group of species in the genus Drosophila is sperm heteromorphic. As with the Lepidoptera, there is a long ... sperm can make up 90 of the total sperm in some Lepidoptera and Drosophila . Provisioning The non ... transfer chemicals similar to sex peptide, a chemical carried on the sperm of Drosophila melanogaster ...   more details



  1. Tan Jiazhen

    Chinese name Tan surname Tan Tan Jiazhen Chinese s t p T n Ji zh n w T an Chia chen September 15, 1909 &ndash November 1, 2008 ref cite news first last coauthors title Chinese geneticist Tan Jiazhen dies at 100 date 2008 11 01 publisher url http www.shanghaidaily.com article ?id 379108 work Shangai Daily pages accessdate 2008 11 01 language ref , or C. C. Tan , was a notable China Chinese Genetics geneticist . He was an academician of Chinese Academy of Science and foreign member of United States National Academy of Sciences . Tan was a main founder of modern Chinese genetics. Biography Tan was born in Cixi City , Ningbo , Zhejiang . His father was a local postman. From 1926 to 1930, Tan did his undergraduate study at Soochow University Suzhou Soochow University . In 1932, Tan received M.Sc from Yenching University . Tan continued his study in the United States and received PhD from the California Institute of Technology in 1937, under the supervision of Theodosius Dobzhansky . Thomas Hunt Morgan and Alfred Henry Sturtevant also were his professors. He later taught at Columbia University . After Tan returned China, he became a professor at the Department of Biology of Zhejiang University in Hangzhou . In 1952, Tan was transferred to Fudan University in Shanghai . Tan founded the first department of genetics in China at Fudan University. As part of the Morgan group in the 1930s, Tan helped make Drosophila Drosophila pseudoobscura the leading species for evolutionary studies and did pioneering work in insect genetics. In spite of interruptions by Lysenkoism and by the Cultural Revolution, Tan was still scientifically active in China. Tan died on November 1, 2008 of multiple organ dysfunction syndrome at the age of 99 in Shanghai. Main academic positions At Fudan University The founder, former Head of the Department of Genetics, Fudan University Former Director of the Research Institute of Genetics, Fudan University Former Head of the School of Life Sciences, F ...   more details



  1. Border cell

    The term Border cell might refer to Border cell brain of entorhinal cortex. Border cells Drosophila in the ovary of a Drosophila fly Cells produced by plant root s that are also known as border cells Disambig ...   more details



  1. Dorsilopha

    Italictitle Taxobox name Dorsilopha image Drosophila busckii 01 cropped.jpg image caption Drosophila busckii regnum Animal ia phylum Arthropod a classis Insect a ordo Diptera familia Drosophilidae subfamilia Drosophilinae genus Drosophila subgenus Dorsilopha subgenus authority Sturtevant, 1942 type species Drosophila busckii type species authority Coquillett, 1901 subdivision ranks species subdivision Drosophila busckii Drosophila confertidentata Drosophila linearidentata Drosophila neobusckii The subgenus Dorsilopha belongs to genus Drosophila and consists of four species. ref B chli, G. 1999 2010 . TaxoDros The Database on Taxonomy of Drosophilidae. Available at http taxodros.unizh.ch ref The phylogenetic position of this group has been unclear for a long time, ref name Supertree van der Linde, K. & Houle, D. 2008 . A supertree analysis and literature review of the genus Drosophila and closely related genera. Insect Systematics and Evolution 39, 241 267. ref but recent studies have shown that the subgenus is positioned in between the subgenera Sophophora and Drosophila subgenus Drosophila . ref name Supertree ref Robe, L. J., Loreto, E. L. S. & Valente, V. L. S. 2010 . Radiation of the ,,Drosophila subgenus Drosophilidae, Diptera in the Neotropics. Journal of Zoological Systematics and Evolutionary Research Early View. ref ref van der Linde, K., Houle, D., Spicer, G. S. & Steppan, S. J. 2010 . A supermatrix based molecular phylogeny of the family Drosophilidae. Genetics Research 92, 25 38. ref Species Drosophila busckii small Coquillett, 1901 small Drosophila confertidentata small Zhang, Li and Feng, 2006 small Drosophila linearidentata small Toda, 1986 small Drosophila neobusckii small Toda, 1986 small References reflist Wikispecies Dorsilopha Category Drosophilidae Diptera stub it Drosophila Dorsilopha vi Dorsilopha ...   more details



  1. Oskar

    Two other uses the Drosophila gene the given name Oscar given name other uses Oscar disambiguation DISPLAYTITLE oskar oskar is a gene required for the development of the Drosophila embryo . It defines the Posterior anatomy posterior pole during early Drosophila embryogenesis embryogenesis . molecular biology stub Category Developmental genes and proteins ...   more details



  1. D. carbonaria

    D. carbonaria may refer to Dactylolabis carbonaria , a crane fly species in the genus Dactylolabis Diglossa carbonaria , the grey bellied flowerpiercer, a bird species found in Argentina and Bolivia Drosophila carbonaria , a fly species in the genus List of Drosophila species Drosophila See also Carbonaria disambiguation Species Latin name abbreviation disambiguation ...   more details



  1. Dudaica

    Italictitle Taxobox name Dudaica regnum Animal ia phylum Arthropod a classis Insect a ordo Fly Diptera familia Drosophilidae genus Drosophila subgenus Dudaica subgenus authority Strand, 1943 type species Drosophila senilis type species authority Duda, 1926 subdivision ranks species subdivision Drosophila malayana Drosophila senilis The subgenus Dudaica belongs to genus Drosophila and consists of two species, ref cite web author G. B chli year 1999 2010 title TaxoDros The Database on Taxonomy of Drosophilidae url http taxodros.unizh.ch accessdate May 25, 2010 ref ref cite journal author E. Strand year 1943 title Miscellanea nomenclatorica zoologica et palaeontologica XII journal Folia Zoologica et Hydrobiologica volume 12 pages 211 216 ref Drosophila malayana Takada, 1976 and Drosophila senilis Duda, 1926. References reflist Category Drosophilidae Diptera stub it Drosophila Dudaica vi Dudaica ...   more details



  1. Richard Lewontin

    in natural populations of Drosophila pseudoobscura . Genetics 54 595 609. ref They used protein gel electrophoresis to survey dozens of loci in Drosophila pseudoobscura , and reported that a large ... and degree of heterozygosity in natural populations of Drosophila pseudoobscura journal Genetics ... locus of. Drosophila melanogaster , Nature 304 412 417. ref Work on human genetic diversity In a landmark ...   more details




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