| Drosophila virilis species group | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Diptera |
| Family: | Drosophilidae |
| Subfamily: | Drosophilinae |
| Genus: | Drosophila |
| Subgenus: | Drosophila |
| Species group: | virilis |
| Species | |
The Drosophila virilis species group is a species group of fruit flies in the subgenus Drosophila . [1]
Drosophila is a genus of flies, belonging to the family Drosophilidae, whose members are often called "small fruit flies" or pomace flies, vinegar flies, or wine flies, a reference to the characteristic of many species to linger around overripe or rotting fruit. They should not be confused with the Tephritidae, a related family, which are also called fruit flies ; tephritids feed primarily on unripe or ripe fruit, with many species being regarded as destructive agricultural pests, especially the Mediterranean fruit fly.
Polytene chromosomes are large chromosomes which have thousands of DNA strands. They provide a high level of function in certain tissues such as salivary glands of insects
The Drosophilinae are the largest subfamily in the Drosophilidae. The other subfamily is the Steganinae.
The paraphyletic subgenus Sophophora of the genus Drosophila was first described by Alfred Sturtevant in 1939. It contains the best-known drosophilid species, Drosophila melanogaster. Sophophora translates as carrier (phora) of wisdom (sophos). The subgenus is paraphyletic because the genus Lordiphosa and the species Hirtodrosophila duncani are also placed within this subgenus.
FlyBase is an online bioinformatics database and the primary repository of genetic and molecular data for the insect family Drosophilidae. For the most extensively studied species and model organism, Drosophila melanogaster, a wide range of data are presented in different formats.
Timeless (tim) is a gene in multiple species but is most notable for its role in Drosophila for encoding TIM, an essential protein that regulates circadian rhythm. Timeless mRNA and protein oscillate rhythmically with time as part of a transcription-translation negative feedback loop involving the period (per) gene and its protein.
The subgenus Siphlodora belongs to genus Drosophila and consists of two species that share a sigmoid-shaped posterior crossvein. Phylogenetically, the subgenus is positioned within the virilis-repleta radiation.
The immigrans-tripunctata radiation is a speciose lineage of Drosophila flies, including over 300 species. The immigrans-tripunctata radiation is a sister lineage to most other members of the subgenus Drosophila. A number of species have had their genomes or transcriptomes sequenced for evolutionary studies using Drosophila.
Drosophila is a paraphyletic subgenus of the genus Drosophila, a classification of fruit flies. This subgenus was first described by Alfred Sturtevant in 1939. Members of the subgenus Drosophila can be distinguished from other Drosophilid species by breaks in the pigmentation along the dorsal section of their abdomen.
The Drosophila polychaeta species group is a species group of fruit flies in the subgenus Drosophila.
Sarah C.R. Elgin is an American biochemist and geneticist. She is the Viktor Hamburger Professor of biology at Washington University in St. Louis, and is noted for her work in epigenetics, gene regulation, and heterochromatin, and for her contributions to science education.
Drosophila virilis is a species of fruit fly with a worldwide distribution, and was one of 12 fruit fly genomes sequenced for a large comparative study. The males have bright red gonads that can be seen through the cuticle.
Drosophila montana, colloquially referred to as a fruit fly, is a species of fly belonging to the family Drosophilidae and the genus Drosophila. It belongs to the montana phylad, which diverged from the D. virilis species group in South Asia before its migration into North America. It is typically found in the western United States, but has been seen in Europe and Asia. There are two color phases of the species, having either a yellowish or a blackish brown thorax. It is the species of Drosophila best adapted to cold environments.
Metavirus is a genus of viruses in the family Metaviridae. They are retrotransposons that invade a eukaryotic host genome and may only replicate once the virus has infected the host. These genetic elements exist to infect and replicate in their host genome and are derived from ancestral elements unrelated from their host. Metavirus may use several different hosts for transmission, and has been found to be transmissible through ovule and pollen of some plants.
Mushroom-feeding Drosophila are a subset of Drosophila flies that have highly specific mushroom-breeding ecologies. Often these flies can tolerate toxic compounds from Amanita mushrooms.
The Drosophila angor species group is a species group of fruit flies in the subgenus Drosophila.
The Drosophila robusta species group is a species group of fruit flies in the subgenus Drosophila.
The Drosophila melanica species group is a species group of fruit flies in the subgenus Drosophila.
The Drosophila quadrisetata species group is a species group of fruit flies in the subgenus Drosophila.
The Drosophila repleta species group is a species group of fruit flies in the subgenus Drosophila.
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