Drosophila ananassae
OM MUTATIONS IN DROSOPHILA ANANASSAE ARE LINKED TO INSERTIONS OF A TRANSPOSABLE ELEMENT
... It has been hypothesized that Om mutability in Drosophila ananassae (involving spontaneous mutation at 20 loci, resulting in semidominant, nonpleiotropic eye morphology[r] ...
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Female remating in Drosophila ananassae: bidirectional selection for remating speed
... In Drosophila ananassae, artificial selection was carried out for fast and slow remating speed for 10 ...D. ananassae is under polygenic ...D. ananassae of fast and slow lines was observed in ...
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Population Subdivision and Molecular Sequence Variation: Theory and Analysis of Drosophila ananassae Data
... Population subdivision complicates analysis of molecular variation. Even if neutrality is assumed, three evolution- ary forces need to be considered: migration, mutation, and drift. Simplification can be achieved by ...
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Male remating in Drosophila ananassae: evidence for interstrain variation for remating time and shorter duration of copulation in second mating
... ABSTRACT—In Drosophila ananassae, male remating was studied using ten mass culture stocks which were initiated from flies collected from different geographic ...genus Drosophila which provides ...
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The Role of Natural Selection in Genetic Differentiation of Worldwide Populations of Drosophila ananassae
... selection with recombination. Genetics 141: 1605–1617. Stephan, W., L. Xing, D. A. Kirby and J. M. Braverman, 1998 A Hudson, R. R., M. Kreitman and M. Aguade´, 1987 A test of neutral test of the background selection ...
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Joint Effects of Natural Selection and Recombination on Gene Flow Between Drosophila ananassae Populations
... We estimated DNA sequence variation in a 5.7-kb fragment of the furrowed (fw) gene region within and between four populations of Drosophila ananassae ; fw is located in a chromosomal region of very low ...
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Inferring the Population Structure and Demography of Drosophila ananassae From Multilocus Data
... analyze Drosophila ananassae, a highly substructured, cosmo- politan, and human-commensal species distributed in the tropical, subtropical, and mildly temperate regions of the ...D. ananassae out of ...
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Female remating in Drosophila ananassae: evidence for sperm displacement and greater productivity after remating
... ABSTRACT—In Drosophila ananassae, female remating with respect to productivity and sperm displace- ment was studied by employing different mutant strains and a wild type ...
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Grath, Sonja (2010): Molecular Evolution of Sex-Biased Genes in Drosophila ananassae. Dissertation, LMU München: Fakultät für Biologie
... behaviors. Drosophila ananassae is distributed throughout the subtropical and tropical regions of the world, has been studied extensively by geneticists (Tobari, 1993), exists in highly structured ...
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Reduced levels of DNA polymorphism and fixed between-population differences in the centromeric region of Drosophila ananassae.
... STEPHAN, W., 1989 Molecular genetic variation in the centrom- eric region of the X chromosome in three Drosophila ananassae populations. LANGLEY, 1989 Molecular genetic vari-[r] ...
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Retrotransposon-induced ectopic expression of cut causes the Om(1A) mutant in Drosophila ananassae.
... melanogaster, cell death oc- curs in the region anterior to the morphogenetic furrow at the late third instar stage (WOLF and READY 1991) (Figure 3A), whereas in the Om([r] ...
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SELECTIVE MODES ASSOCIATED WITH KARYOTYPES IN DROSOPHILA ANANASSAE. II. HETEROSIS AND FREQUENCY-DEPENDENT SELECTION
... As one may expect from the above cage data, there were heterozygote excesses in all cages and generations, when compared with Hardy-Weinberg expectations of heterozygotes computed fr[r] ...
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ISOZYME POLYMORPHISMS IN DROSOPHILA ANANASSAE: GENETIC DIVERSITY AMONG ISLAND POPULATIONS IN THE SOUTH PACIFIC
... That is, collection localities from the same island or island group show similar allelic frequencies; but among islands that are more distant and isolated, there are numerous, a[r] ...
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SEGREGATION DISTORTION AND CROSSING OVER IN MALES OF DROSOPHILA ANANASSAE. I: PRELIMINARY GENETIC ANALYSIS
... SANDLER, HIRAXZUMI and SANDLER (1959) and SANDLER and HIRAIZUMI (1959, 1960) have made a detailed analysis of this segregation distortion phenomenon in Drosophila melunoga[r] ...
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Molecular genetic variation in the centromeric region of the X chromosome in three Drosophila ananassae populations. I. Contrasts between the vermilion and forked loci.
... First, we found strong evidence for population subdivision, i.e., significant differences in the frequency distributions of polymorphisms and/or haplotypes between the Burma,[r] ...
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The Om(1E) Mutation in Drosophila ananassae Causes Compound Eye Overgrowth due to tom Retrotransposon-Driven Overexpression of a Novel Gene
... In situ hybridization analyses demonstrated that the Om(1E) gene is expressed ubiquitously in embryonic cells, imaginal discs, and the cortex of the central nervous system [r] ...
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Königer, Annabella (2019): The molecular basis of cold tolerance in Drosophila ananassae. Dissertation, LMU München: Fakultät für Biologie
... Flies from the next generation (F2) were used to map the Cas9 insert location with inverse PCRs as follows: DNA was extracted from five flies (males and females mixed) using the MasterPure Kit (Epicentre) (protocol 2, ...
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SPERMATOGONIAL CROSSING OVER IN DROSOPHILA MELANOGASTER AND DROSOPHILA ANANASSAE
... How- ever, in one male equal numbers of complementary types appeared, which can be explained by suggesting that the primary spermatogonium with an exchange divided once into two[r] ...
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Molecular evolution of the metallothionein gene Mtn in the melanogaster species group: results from Drosophila ananassae.
... melunogasterand the other species revealed that 36 of the 45 introns available belonged either to the small size class (<90 bp) or to the large one in both species. In the remaini[r] ...
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MATERNAL EFFECTS AND HETEROSIS IN DROSOPHILA ANANASSAE
... Equal numbers of virgin females and of males were collected from each strain, and reciprocal crosses (AA females x BB males and BB females x AA males) were made between th[r] ...
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