PMID: 5257003Mar 1, 1969Paper

Genic variation in a natural population of Drosophila persimilis

Proceedings of the National Academy of Sciences of the United States of America
S Prakash

Abstract

The understanding of the speciation process can best be achieved by a knowledge of the genic differences between two closely related species and the correlation of such differences with the characteristics which demarcate the two species. D. persimilis and D. pseudoobscura are two sibling species differing from each other in morphology, ecological preferences, and behavior, and no hybrids exist in nature. I have compared the genetic changes in 24 loci of 25 strains of D. persimilis from Mather, California, with those in D. pseudoobscura by the method of acrylamide gel electrophoresis. The proportion of the genome heterozygous in individual D. persimilis is 10.5 per cent, which is comparable to the heterogeneity found in similar D. pseudoobscura populations. I did not find any locus which is monomorphic or polymorphic for entirely different allele(s) than in D. pseudoobscura. The different frequencies of shared alleles in the two species can only be explained by selection acting differentially in these species, since the frequencies of different alleles at various loci in several populations of D. pseudoobscura are very similar or show a very stable pattern of association with the third chromosome gene arrangements.

References

Jan 1, 1968·Annual Review of Biochemistry·C Nolan, E Margoliash
Feb 1, 1968·Proceedings of the National Academy of Sciences of the United States of America·S Prakash, R C Lewontin

❮ Previous
Next ❯

Citations

Jul 1, 1976·Clinica Chimica Acta; International Journal of Clinical Chemistry·M TichýJ Urbánková
Aug 1, 1975·Genetical Research·M Nei, W H Li
Sep 1, 1970·Proceedings of the National Academy of Sciences of the United States of America·F J AyalaT Dobzhansky
May 1, 1972·Proceedings of the National Academy of Sciences of the United States of America·F J Ayala, J R Powell
Jun 1, 1972·Proceedings of the National Academy of Sciences of the United States of America·D A LevinE Steiner
Jun 1, 1973·Proceedings of the National Academy of Sciences of the United States of America·R K Selander, D W Kaufman
Oct 1, 1978·Proceedings of the National Academy of Sciences of the United States of America·J A CoyneR C Lewontin
Aug 11, 2000·Evolution; International Journal of Organic Evolution·R J Kulathinal, R S Singh
Feb 1, 1978·Theoretical Population Biology·E Nevo
Nov 6, 1980·Nature·J S Jones
Jun 1, 1975·Heredity·N E Morton, D C Rao
Feb 21, 1973·Nature: New Biology·P T CohenE R Giblett
Oct 3, 1973·Nature: New Biology·T Yamazaki, T Maruyama
Sep 1, 1976·American Journal of Physical Anthropology·S L Wiesenfeld, C Gajdusek
Jun 1, 1970·Evolution; International Journal of Organic Evolution·Robert K SelanderWalter E Johnson
Dec 1, 1973·Evolution; International Journal of Organic Evolution·E Zouros
Sep 1, 1974·Evolution; International Journal of Organic Evolution·Susan R Krepp, Michael H Smith
Sep 1, 1978·Evolution; International Journal of Organic Evolution·Earl G ZimmermanB J Hart
Mar 1, 1976·Evolution; International Journal of Organic Evolution·Richard Highton, T Preston Webster
Sep 1, 1978·Evolution; International Journal of Organic Evolution·Anand P Gupta
Mar 1, 1978·Evolution; International Journal of Organic Evolution·Agoslav MarinkovicMarko Andjelković
Jun 1, 1972·Evolution; International Journal of Organic Evolution·Seppo LakovaaraCatherine T Falk
Aug 25, 1972·Science·T Dobzhansky
May 22, 1970·Science·B Clarke
Apr 5, 1974·Science·G B Johnson
Oct 6, 1972·Science·T Yamazaki, T Maruyama

❮ Previous
Next ❯

Related Concepts

Trending Feeds

COVID-19

Coronaviruses encompass a large family of viruses that cause the common cold as well as more serious diseases, such as the ongoing outbreak of coronavirus disease 2019 (COVID-19; formally known as 2019-nCoV). Coronaviruses can spread from animals to humans; symptoms include fever, cough, shortness of breath, and breathing difficulties; in more severe cases, infection can lead to death. This feed covers recent research on COVID-19.

Blastomycosis

Blastomycosis fungal infections spread through inhaling Blastomyces dermatitidis spores. Discover the latest research on blastomycosis fungal infections here.

Nuclear Pore Complex in ALS/FTD

Alterations in nucleocytoplasmic transport, controlled by the nuclear pore complex, may be involved in the pathomechanism underlying multiple neurodegenerative diseases including Amyotrophic Lateral Sclerosis and Frontotemporal Dementia. Here is the latest research on the nuclear pore complex in ALS and FTD.

Applications of Molecular Barcoding

The concept of molecular barcoding is that each original DNA or RNA molecule is attached to a unique sequence barcode. Sequence reads having different barcodes represent different original molecules, while sequence reads having the same barcode are results of PCR duplication from one original molecule. Discover the latest research on molecular barcoding here.

Chronic Fatigue Syndrome

Chronic fatigue syndrome is a disease characterized by unexplained disabling fatigue; the pathology of which is incompletely understood. Discover the latest research on chronic fatigue syndrome here.

Evolution of Pluripotency

Pluripotency refers to the ability of a cell to develop into three primary germ cell layers of the embryo. This feed focuses on the mechanisms that underlie the evolution of pluripotency. Here is the latest research.

Position Effect Variegation

Position Effect Variagation occurs when a gene is inactivated due to its positioning near heterochromatic regions within a chromosome. Discover the latest research on Position Effect Variagation here.

STING Receptor Agonists

Stimulator of IFN genes (STING) are a group of transmembrane proteins that are involved in the induction of type I interferon that is important in the innate immune response. The stimulation of STING has been an active area of research in the treatment of cancer and infectious diseases. Here is the latest research on STING receptor agonists.

Microbicide

Microbicides are products that can be applied to vaginal or rectal mucosal surfaces with the goal of preventing, or at least significantly reducing, the transmission of sexually transmitted infections. Here is the latest research on microbicides.