Molecular Population Genetics of Inversion Breakpoint Regions in Drosophila pseudoobscura
نویسندگان
چکیده
منابع مشابه
Molecular Population Genetics of Inversion Breakpoint Regions in Drosophila pseudoobscura
Paracentric inversions in populations can have a profound effect on the pattern and organization of nucleotide variability along a chromosome. Regions near inversion breakpoints are expected to have greater levels of differentiation because of reduced genetic exchange between different gene arrangements whereas central regions in the inverted segments are predicted to have lower levels of nucle...
متن کاملMolecular population genetics of X-linked genes in Drosophila pseudoobscura.
This article presents a nucleotide sequence analysis of 500 bp determined in each of five X-linked genes, runt, sisterlessA, period, esterase 5, and Heat-shock protein 83, in 40 Drosophila pseudoobscura strains collected from two populations. Estimates of the neutral migration parameter for the five loci show that gene flow among D. pseudoobscura populations is sufficient to homogenize inversio...
متن کاملMolecular population genetics of an electrophoretically monomorphic protein in the alcohol dehydrogenase region of Drosophila pseudoobscura.
Nucleotide sequence data from the alcohol dehydrogenase (Adh) region of 18 isochromosomal strains of Drosophila pseudoobscura were used to determine whether the lack of amino acid polymorphism in ADH results from a low neutral mutation rate or a recent directional selection event. We estimated the neutral mutation parameter, 4Nmu, in synonymous sites for 17 subregions of Adh. The nucleotide div...
متن کاملMolecular population genetics of sequence length diversity in the Adh region of Drosophila pseudoobscura.
Positive and negative selection on indel variation may explain the correlation between intron length and recombination levels in natural populations of Drosophila. A nucleotide sequence analysis of the 3.5 kilobase sequence of the alcohol dehydrogenase (Adh) region from 139 Drosophila pseudoobscura strains and one D. miranda strain was used to determine whether positive or negative selection ac...
متن کاملGenetics of natural populations. XXXI. Genetics of an isolated marginal population of Drosophila pseudoobscura.
AYR (1954, 1959), CARSON (1955,1956,1959), BROWN (1957), DOBZHANM s ~ ~ (1957 and other publications), TOWNSEND (1952) and others have pointed out that the genetic structures of populations of the same species inhabiting the central and the peripheral parts of the distribution area are likely to be characteristically different on the average. Central populations have, by and large, mastered a g...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: G3 Genes|Genomes|Genetics
سال: 2013
ISSN: 2160-1836
DOI: 10.1534/g3.113.006122