How To Use Drosophila In A Sentence
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This second gene is only found in holometabolous insects, Drosophila, and silkworms but not in the more primitive hemimetabolous insects, like grasshoppers or springtails.
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A number of Daphnia proteins showed one-to-one orthologous relationships to Drosophila ABC proteins including the sulfonyl urea receptor (SUR), the ecdysone transporter ET23, and the eye pigment precursor transporter scarlet.
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The fruit fly Drosophila melanogaster has two sex chromosomes and three autosomes.
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The e-nose predicted whether twelve odorant receptors from Drosophila would respond to 21 new odorants with roughly 75 percent accuracy.
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The GeneChip Drosophila genome array was hybridized with the test or control probes in parallel experiments.
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In animals, well-studied examples of the coenocytic state are found in oogenesis and in the early embryogeny of Drosophila.
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The development of mosaic flies clearly illustrates the cell autonomy of sex determination in the somatic cells of Drosophila.
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We assume that control of sex determination in the ancestor of Drosophila was through heterogamety at the dsx locus.
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The cuticular hairs formed by epidermal cells are not the only examples of cellular projections found in Drosophila.
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Drosophila mutants, including bicaudal, in a review by Ted Wright (1971).
Christiane Nüsslein-Volhard - Autobiography
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Pick any eukaryotic species (say, the ciliated protozoan Tetrahymena thermophila) — one cannot be certain that a member of that species shares common ancestry, from a discrete cell, with a member of any other eukaryotic species (say, Drosophila melanogaster).
A Disclaimer for Behe?
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the genes of Drosophila fall into four linkage groups
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Rohrbough J, Prokop A, Broadie K (1999) A role for PS integrins in morphological growth and synaptic function at the postembryonic neuromuscular junction of Drosophila.
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In Throckmorton's scheme, D. mimica and Dorsilopha form a trichotomy together with Hirtodrosophila.
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For example, crickets infected with bacteria, Drosophila infested with mites, and amphipods harboring trematodes all increase reproductive activity.
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The Drosophila retina is composed of 750 unit eyes, or ommatidia.
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It provides numerous links to developmental biology research resources, including dynamic development, axolotl colony, genetic and molecular data for drosophila, mouse embryo and cancer genome etc.
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The presence of this functional feedback from the mushroom bodies to the antennal lobes suggests top-down modulation of olfactory information processing in Drosophila.
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While in the Drosophila embryo fate mapping studies allow the construction of two-dimensional maps of the early gastrula with distinct and clearly separated anlagen, in the fish the fate of cells within particular gastrula regions is much less precisely predictable.
Nobel Lecture The Identification Of Genes Controlling Development In Flies And Fishes
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Sexual isolation caused by selection for positive and negative phototaxis and geotaxis in Drosophila pseudoobscura.
On Thursday, the Legg report will be published along with...
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Because the wingbeat frequency and power output of small ectotherms, like Drosophila, declines with decreasing temperature, the total lift generated by flies exposed to cold temperatures declines substantially.
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In natural populations of Drosophila melanogaster, an amylase isozyme with the lowest amylase activity is predominant.
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The compound eye of Drosophila is composed of hundreds of nearly identical ommatidia or unit eyes.
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Drosophila enzyme are observed with a nucleophile-Ala variant with the − 1 subsite sugar
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In many taxa, such as mammals and Drosophila, the males are heterogametic, and, thus, hybrid male offspring are more prone to be inviable or sterile.
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If vesicles are then generated from this proto-ER/Golgi, a plasma membrane can be formed on an existing cytoskeleton, a process similar to the formation of the cellular blastoderm in Drosophila and similar to the addition of vesicle to the current plasma membrane.
Albert de Roos: A design hypothesis for the evolution of the nucleus
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The Amy genes of Drosophila constitute a relatively small multigene family with two to seven members in different species.
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Interestingly, the slopes of humans and Drosophila nearly coincide in figure 4.
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Our genetic evidence from Drosophila and previous in vitro studies of mammalian Atonal homolog 1 (Atoh1, also called Math1 or Hath1) suggest an anti-oncogenic function for the Atonal group of proneural basic helix-loop-helix transcription factors.
Intervallic cell
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Here we report the isolation of mutations in the Drosophila Tap 42 gene.
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Every discovered Drosophila gene mutation is given a name, and Gill had called his mutation "fruity.
Homosexuality and Biology
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In comparison, Drosophila Polycomb mutant embryos have ectopic denticles on the dorsal head, and the second thoracic segment is anteriorly transformed to prothorax while abdominal segments are posteriorly transformed.
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In Drosophila, one of the most evident dimorphic traits is represented by the body size, with males being smaller than females.
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The first reasonably reliable and convincing learning task for Drosophila involved training them using just this sense of smell.
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The gene doublesex of Drosophila is the last gene in the genetic cascade that controls sex determination.
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Tufted is a classical Drosophila mutant characterized by a large number of ectopic mechanosensory bristles on the dorsal mesothorax.
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We hypothesize that the Drosophila Adh gene may not be orthologous with the other known Adh genes of higher diptera.
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Note that in the insect ommatidium (unlike vertebrate limbs and Drosophila appendages) cells are being specified and determined individually, not as groups of cells.
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Drosophila geneticists have discovered a number of ‘hybrid rescue genes,’ single mutations that restore the viability or fertility of normally inviable or sterile species hybrids.
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Temasek Lifesciences Laboratory, National University of Singapore, Singapore, Singapore Drosophila body wall muscles are multinucleated syncytia formed by successive fusions between a founder myoblast and several fusion competent myoblasts.
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The primary determinant of sexual identity in Drosophila, the X chromosome karyotype, was discovered nearly a century ago.
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Temasek Lifesciences Laboratory, National University of Singapore, Singapore, Singapore Drosophila body wall muscles are multinucleated syncytia formed by successive fusions between a founder myoblast and several fusion competent myoblasts.
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In the early Drosophila embryo, the male and female pronuclei fuse and then undergo 13 rounds of synchronous mitoses without cell division to produce a syncytium.
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The most obvious feature of a Drosophila larva is the regular segmentation of the larval cuticle along the antero-posterior axis, each segment carrying cuticular structures that define it as, for example, thorax or abdomen.
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Morgan and Plough, * for example, have discovered that when a certain fly, called the drosophila, is subjected to extremes of heat or cold, the offspring show an unusually strong tendency to differ from the parents.
The Red Man's Continent: a chronicle of aboriginal America
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Jaenike studied a species of fly, Drosophila neotestacea, which is rendered sterile by a parasitic worm called a nematode, one of the most abundant, diverse, and destructive parasites of plants and animals in the world.
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Neuroblasts in many malacostracan crustaceans arise and behave differently from their counterparts in Drosophila.
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Carmena A, Bate M, Jimenez F (1995) Lethal of scute, a proneural gene, participates in the specification of muscle progenitors during Drosophila embryogenesis.
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A new era of chromosome research began with the detection of giant chromosomes in tissues of Dipteran insects, the midges Bibio and Chironomus, and the fruit fly Drosophila.
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In Drosophila, mosaic flies have been extensively exploited to dissect signal transduction pathways, to determine cell patterning events and to establish the cell autonomy of gene product.
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Only the Cyclorrapha, which includes Drosophila and the common housefly, Musca domestica, have a bicoid gene.
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It will be interesting to see whether the mutations which delete the midline structures, the ventral portion of the neuroectoderm and head in Drosophila, such as spitz and others (75), are homologous to the fish midline genes.
Nobel Lecture The Identification Of Genes Controlling Development In Flies And Fishes
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It was mapped in Drosophila by polytene chromosome in situ to 3L heterochromatin.
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Although appearing very different, these movements might be related to the invagination of mesodermal and endodermal anlagen, and ventral condensation and extension of the germ band in the Drosophila embryo.
Nobel Lecture The Identification Of Genes Controlling Development In Flies And Fishes
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Recent analysis of the Drosophila genome sequence supports previous suggestions of strong parallels between many fly and vertebrate cell cycle regulators.
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Testes were dissected in Schneider's Drosophila media from larvae, pupae, or adults.
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Compare the embryonic cleavage stage of Drosophila with that of later embryonic development.
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Sexual behavior in Drosophila is under the control of the sex determination pathway.
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Drosophila body wall muscles are multinucleated syncytia formed by successive fusions between a founder myoblast and several fusion competent myoblasts.
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Drosophila body wall muscles are multinucleated syncytia formed by successive fusions between a founder myoblast and several fusion competent myoblasts.
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In the fruit fly Drosophila melanogaster, the X: A ratio serves as the primary signal for somatic sex determination.
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In Drosophila species, the male accessory gland secretes seminal fluids transferred to the female during copulation.
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Drosophila strains were maintained on standard cornmeal / yeast / sugar and agar media.
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This exception may be the result of this region corresponding to a small intron in the Drosophila gene.
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While I have focused on insecticide resistance, Drosophila species have been shown resistance to other toxicants, including phytotoxins in their natural diet and certain metal ions whose presence has increased in the environment.
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Evidence for the hypothesis derives from metabolic theory, direct studies of flux, studies of null and other types of alleles in Drosophila melanogaster and chemostat studies in Escherichia coli.
Darwin and neutrality - The Panda's Thumb
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Drosophila in aseptic culture3; and the chance contamination of one of our cultures of Drosophila with a particular bacterium - we were able to isolate the v+ hormone in crystalline state from a bacterial culture supplied with tryptophan4, and with A.J. Haagen-Smit to identify it as kynurenine5, originally isolated by Kotake, and later structurally identified correctly by Butenandt.
Edward Tatum - Nobel Lecture
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Male meiosis of Drosophila melanogaster is unusual in some respects.
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Aslam H, Tear G, Casanova J (2005) mummy/cystic encodes an enzyme required for chitin and glycan synthesis, involved in trachea, embryonic cuticle and CNS development-analysis of its role in Drosophila tracheal morphogenesis.
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This characteristic pattern of plateaus and jumps is observed using Drosophila melanogaster Topo II demonstrating that this enzyme simultaneously binds to the G- and T-segments and stabilizes plectonemic supercoils.
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Drosophila adults have 2000 chemosensory neurons that reside within segregated compartments called sensilla.
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In Drosophila, the presumptive central nervous system is specified at an early stage of embryonic development as two longitudinal stripes of cells, just dorsal to the ventral mesoderm.
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The syncytial blastoderm in Drosophila show that the nuclei can independently divide and later form a multicellular embryo.
Albert de Roos: A design hypothesis for the evolution of the nucleus
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Nüsslein-Volhard and Eric F. Wieschaus decided to find out how segmentation is controlled by genes in the newly fertilized egg of the Drosophila fruit fly.
Hunting for the Genes Behind Pattern Formation...
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Recently we and others have used double-stranded RNA interference to generate null phenocopies of specific genes in Drosophila.
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The Drosophila compound eye contains around 800 individual ommatidia, arranged in a regular hexagonal pattern.
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Genetic screens have successfully identified a number of different growth promoters and growth inhibitors in Drosophila.
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Our genetic evidence from Drosophila and previous in vitro studies of mammalian Atonal homolog 1 (Atoh1, also called Math1 or Hath1) suggest an anti-oncogenic function for the Atonal group of proneural basic helix-loop-helix transcription factors.
Archive 2009-04-01
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Phylogenetic analyses of these elements in the genus Drosophila indicate a strictly vertical transmission of R1 and R2.
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Drosophila compound eyes are composed of 800 identical facets or ommatidia.
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Assays performed in Drosophila S2 cells and Drosophila embryos demonstrated the transpositional activity of Herves.
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DNA sequences were translated into amino acid sequences (the Drosophila code was used for Gammarus, and the mammalian code was used for Rana and Apodemus).
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Sexual isolation caused by selection for positive and negative phototaxis and geotaxis in Drosophila pseudoobscura.
On Thursday, the Legg report will be published along with...
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No single mutation can produce a pentadactyl limb of vertebrate type on a Drosophila.
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While the smaller bacterial genomes can be tackled by direct sequencing, larger ones like that of drosophila or humans require the use of genetic markers.
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Drosophila model of Parkinson disease at concentrations significantly lower than that required to induce Hsp70 expression maximally
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In Drosophila species, the male accessory gland secretes seminal fluids transferred to the female during copulation.
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Hence, Sxl does not appear to play the key discriminating role in controlling sex determination and dosage compensation in sciarids that it plays in Drosophila.
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The initial discovery was an MLE present in 1000 or more copies in the genome of the silk moth Hyalophora cecropia, which was only distantly related to those we had been studying in Drosophila.
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Drosophila melanogaster seminal fluid proteins stimulate sperm storage and egg laying in the mated female but also cause a reduction in her life span.
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In Drosophila, paternal transmission has been detected in both interspecific and intraspecific crosses.
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However, to understand the current structure of sex determination in Drosophila, it is necessary to consider its evolution from an ancestral state, prior to the evolution of heteromorphic sex chromosomes and dosage compensation.
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The role of the bicoid gene was first elucidated by a combination of genetic and physical experiments on the Drosophila embryo.
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Western blot analysis showing specificity of antisera that recognize Drosophila dMfn, Opa1, and Drp1.
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The field of evolutionary developmental biology, which studies the genetics of morphology in detail is now a rapidly expanding one, with many of the developmental genetic cascades, particularly in the fruitfly (Drosophila), now catalogued in considerable detail.
Ancient Predator Revealed!
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One of the most notorious examples, a module for control of eye formation that is common to drosophila, mice, and humans may stand as an emblem for laymen such as me, but it is a very small part of the story and may turn out to be atypical.
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(A-A″) 71B-Gal4/UAS-NkdGFP third-instar Drosophila salivary gland stained with α-Dsh and imaged for GFP (A) and Dsh (A′) distributions (merged image in A″).
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Immunolocalization studies on Drosophila polytene chromosomes suggest that Spt5 is associated with many loci throughout the genome.
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Schardin, we did a fate map for the larval cuticle using laser ablations of Drosophila blastoderm cells.
Christiane Nüsslein-Volhard - Autobiography
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Drosophila cryptochromes are light activated by flavin photoreduction in living cells.
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Although appearing very different, these movements might be related to the invagination of mesodermal and endodermal anlagen, and ventral condensation and extension of the germ band in the Drosophila embryo.
Nobel Lecture The Identification Of Genes Controlling Development In Flies And Fishes
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As early as the 1970s, population geneticists began to notice a peculiar characteristic among drosophila, the fast-breeding fruit fly on which most of our reproductive knowledge is based.
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These genes have been described previously in mouse, rat, man, Drosophila and birds.
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The most important of them, the block system for egg collection and replica plating in flies is my first Drosophila publication, in Drosophila
Christiane Nüsslein-Volhard - Autobiography
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In Drosophila, paternal transmission has been detected in both interspecific and intraspecific crosses.
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Drosophila embryonic spindles are amphiastral and thus centrosomes at the spindle poles play a critical role in their organization.
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The drosophila is a type of fruit fly, a well-established genetic model.
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Anopheline mosquitoes, like Drosophila, are renowned for the presence of polytene chromosomes and chromosomal inversions.
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It provides numerous links to developmental biology research resources, including dynamic development, axolotl colony, genetic and molecular data for drosophila, mouse embryo and cancer genome etc.
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We used the braconid Asobara tabida, a parasitoid of Drosophila larvae, as our model species.
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However, only one non-Drosophila Adh gene has been sequenced so far, that of the flesh fly Sarcophaga peregrina, a higher dipteran quite divergent from Drosophila.
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Tanaka T, Nakamura A (2008) The endocytic pathway acts downstream of Oskar in Drosophila germ plasm assembly.
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Drosophila genes undergo complex splicing patterns, reside close to their neighbors, and often overlap.
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Previous work on Drosophila de novo purine synthesis genes showed that 4 mg/ml RNA supplementation can rescue the phenotype of auxotrophic mutants fed a defined medium.
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Similarly, mutations within the Drosophila CBP homolog have wide-ranging pleiotropic phenotypes.
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Comparison between the protein sequences of Drosophila and rat ribosomal protein S2.
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For example, crickets infected with bacteria, Drosophila infested with mites, and amphipods harboring trematodes all increase reproductive activity.
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Larval molting in Drosophila, as in other insects, is initiated by the coordinated release of the steroid hormone ecdysone, in response to neural signals, at precise stages during development.
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Together, our findings indicate that our antisera against Drp1, Opa1, and dMfn are able to efficiently recognize these three proteins in Drosophila.
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Drosophila melanogaster has been a valuable model system for the analysis of flight kinematics, aerodynamics and mechanics.
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Studies in Drosophila have been used to improve our understanding of human neurodegenerative diseases.
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Its genome size is only 200 Mb and most repetitive sequences, as in Drosophila, occur in a pattern of long interspersion.
