Context dependence of meiotic recombination hotspots in yeast: the relationship between recombination activity of a reporter construct and base composition.

abstract：:A variety of Saccharomyces strains were examined for the presence of 2micro DNA and, if present, for the pattern of fragments produced by its digestion with site-specific (restriction) endonucleases. Two strains were found that did not contain detectable levels of 2micro DNA, and two strains contained 2micro DNA molec...

journal_title：Genetics

authors： Livingston DM

更新日期：1977-05-01 00:00:00

abstract：:Smg1 is a key component of nonsense-mediated decay (NMD) in Caenorhabditis elegans and mammals. Here we report that two nonsense alleles of the ortholog of Smg1 do not affect NMD in Drosophila melanogaster. ...

journal_title：Genetics

authors： Chen Z,Smith KR,Batterham P,Robin C

更新日期：2005-09-01 00:00:00

abstract：:Levels of genetic variation and linkage disequilibrium (LD) are critical factors in association mapping methods as well as in identification of loci that have been targets of selection. Maize, an outcrosser, has a high level of sequence variation and a limited extent of LD. Sorghum, a closely related but largely self-...

journal_title：Genetics

authors： Hamblin MT,Mitchell SE,White GM,Gallego J,Kukatla R,Wing RA,Paterson AH,Kresovich S

更新日期：2004-05-01 00:00:00

abstract：:Mapping quantitative trait loci in plants is usually conducted using a population derived from a cross between two inbred lines. The power of such QTL detection and the parameter estimates depend largely on the choice of the two parental lines. Thus, the QTL detected in such populations represent only a small part of ...

journal_title：Genetics

authors： Crepieux S,Lebreton C,Servin B,Charmet G

更新日期：2004-11-01 00:00:00

abstract：:We present the results of a restriction site survey of variation at five loci in Drosophila athabasca, complimenting a previous study of the period locus. There is considerably greater differentiation between the three semispecies of D. athabasca at the period locus and two other X-linked genes (no-on-transient-A and ...

journal_title：Genetics

authors： Ford MJ,Aquadro CF

更新日期：1996-10-01 00:00:00

abstract：:A coalescent theory for a sample of DNA sequences from a partially selfing diploid population and an algorithm for simulating such samples are developed in this article. Approximate formulas are given for the expectation and the variance of the number of segregating sites in a sample of k sequences from n individuals....

journal_title：Genetics

authors： Fu YX

更新日期：1997-08-01 00:00:00

abstract：:High-throughput sequencing and bioinformatic techniques have enhanced classical genetic analysis and are essential methods for geneticists. Tsukamoto and colleagues use numerous genomic and bioinformatics methods to explore the role of ribonucleoprotein complexes in regulating oocyte meiotic maturation, which is the t...

journal_title：Genetics

authors： Thurtle-Schmidt D,Lo TW

更新日期：2018-07-01 00:00:00

abstract：:The Drosophila melanogaster genome contains a single region (at 83DE on the polytene chromosome map) for which both heterozygous deficiency and heterozygous duplication are inviable. Seven EMS-induced mutations have been recovered that are viable in combination with a duplication of this region. Two classes of mutatio...

journal_title：Genetics

authors： Roehrdanz RL,Lucchesi JC

更新日期：1980-06-01 00:00:00

abstract：:The nucleotide sequences encoding the mature portion of 31 ribulose 1.5-bisphosphate carboxylase small subunit (SSU) genes from 17 genera of plants, green algae and cyanobacteria were examined. Among the 465 pairwise sequence comparisons, SSU multigene family members within the same species were more similar to each o...

journal_title：Genetics

authors： Meagher RB,Berry-Lowe S,Rice K

更新日期：1989-12-01 00:00:00

abstract：:The segregation and random assortment of characters observed by Mendel have their basis in the behavior of chromosomes in meiosis. But showing this actually to be the case requires a correct understanding of the meiotic behavior of chromosomes. This was achieved only gradually, over several decades, with much dispute ...

journal_title：Genetics

authors： Koszul R,Meselson M,Van Doninck K,Vandenhaute J,Zickler D

更新日期：2012-06-01 00:00:00

abstract：:The resistance of rice to its bacterial blight pathogen Xanthomonas oryzae pv. oryzae (Xoo) has both qualitative and quantitative components that were investigated using three near-isogenic line sets for four resistance (R) genes (Xa4, xa5, xa13, and Xa21) and 12 Xoo races. Our results indicate that these two resistan...

journal_title：Genetics

authors： Li ZK,Sanchez A,Angeles E,Singh S,Domingo J,Huang N,Khush GS

更新日期：2001-10-01 00:00:00

abstract：:There is increasing evidence that certain Vacuolar protein sorting (Vps) proteins, factors that mediate vesicular protein trafficking, have additional roles in regulating transcription factors at the endosome. We found that yeast mutants lacking the phosphatidylinositol 3-phosphate [PI(3)P] kinase Vps34 or its associa...

journal_title：Genetics

authors： Gaur NA,Hasek J,Brickner DG,Qiu H,Zhang F,Wong CM,Malcova I,Vasicova P,Brickner JH,Hinnebusch AG

更新日期：2013-03-01 00:00:00

abstract：:A series of clear mutants of the temperate phage 16-3 of Rhizobium meliloti were isolated that included various point and deletion mutants of the C cistron, coding for the phage repressor. It was observed that recombinant genotypes, such as c(+) and ti (temperature-sensitive allele), which form turbid plaques, can be ...

journal_title：Genetics

authors： Orosz L

更新日期：1980-02-01 00:00:00

abstract：:The GAL4 protein of Saccharomyces cerevisiae binds to DNA upstream of each of six genes and stimulates their transcription. To locate regions of the protein responsible for these processes, we identified and characterized 88 gal4 mutations selected in vivo to reduce the ability to GAL4 protein to activate transcriptio...

journal_title：Genetics

authors： Johnston M,Dover J

更新日期：1988-09-01 00:00:00

abstract：:Genetic adaptation to external stimuli occurs through the combined action of mutation and selection. A central problem in genetics is to identify loci responsive to specific selective constraints. Many tests have been proposed to identify the genomic signatures of natural selection by quantifying the skew in the site ...

journal_title：Genetics

authors： Ronen R,Udpa N,Halperin E,Bafna V

更新日期：2013-09-01 00:00:00

abstract：:Comparison of population differentiation in neutral marker genes and in genes coding quantitative traits by means of F(ST) and Q(ST) indexes has become commonplace practice. While the properties and estimation of F(ST) have been the subject of much interest, little is known about the precision and possible bias in Q(S...

journal_title：Genetics

authors： O'Hara RB,Merilä J

更新日期：2005-11-01 00:00:00

abstract：:The contribution of mismatch repair to genetic recombination in T4 phage has been evaluated by three independent approaches: (1) testing for non-additivity of recombinant frequencies; (2) measurements of double exchange frequencies in three-factor crosses: (3) comparisons of recombination abilities of mutations occupy...

journal_title：Genetics

authors： Shcherbakov VP,Plugina LA,Kudryashova EA,Efremova OI,Sizova ST,Toompuu OG

更新日期：1982-12-01 00:00:00

abstract：:In vivo haploid induction (HI) triggered by pollination with special intraspecific genotypes, called inducers, is unique to Zea maysL. within the plant kingdom and has revolutionized maize breeding during the last decade. However, the molecular mechanisms underlying HI in maize are still unclear. To investigate the ge...

journal_title：Genetics

authors： Hu H,Schrag TA,Peis R,Unterseer S,Schipprack W,Chen S,Lai J,Yan J,Prasanna BM,Nair SK,Chaikam V,Rotarenco V,Shatskaya OA,Zavalishina A,Scholten S,Schön CC,Melchinger AE

更新日期：2016-04-01 00:00:00

abstract：:In altricial birds, growth rates and nestling morphology vary between broods. For natural selection to produce evolutionary change in these variables, ther must exist heritable variation. Since nestling traits are not any longer presents in parents, traditional offspring-parent regressions cannot estimate heritabiliti...

journal_title：Genetics

authors： Smith HG,Wettermark KJ

更新日期：1995-10-01 00:00:00

abstract：:Extensive Monte Carlo simulations are conducted of spatial distributions of two-locus genotypes in large, continuous populations under isolation by distance models. The results show that substantial patches of double homozygotes are present in the spatial structures, even when loci are unlinked. The stochastic spread ...

journal_title：Genetics

authors： Epperson BK

更新日期：1995-05-01 00:00:00

abstract：:The human fungal pathogen Candida albicans can reversibly switch between two cell types named "white" and "opaque," each of which is stable through many cell divisions. These two cell types differ in their ability to mate, their metabolic preferences and their interactions with the mammalian innate immune system. A hi...

journal_title：Genetics

authors： Lohse MB,Ene IV,Craik VB,Hernday AD,Mancera E,Morschhäuser J,Bennett RJ,Johnson AD

更新日期：2016-08-01 00:00:00

abstract：:Twelve mutations affecting nuclear migration, a major developmental phase in Schizophyllum commune, display a complex pattern of complementation and recombination. They are expressed only when a genetic factor controlling this phase of development, the B incompatibility factor, is operative. All twelve mutations are l...

journal_title：Genetics

authors： Dubovoy C

更新日期：1976-03-01 00:00:00

abstract：:Disequilibrium pattern analysis, a general method for analyzing evolutionary events acting on pairs of tightly linked polymorphic loci, is applied to a large sample of Danish individuals typed for A and B loci of the HLA (human leukocyte antigen) system. Cases of selection on particular haplotypes are revealed from pa...

journal_title：Genetics

authors： Klitz W,Thomson G

更新日期：1987-08-01 00:00:00

abstract：:Persistence time of a mutant allele, the expected number of generations before its elimination from the population, can be estimated as the ratio of the number of segregating mutations per individual over the mutation rate per generation. We screened two natural populations of Drosophila melanogaster for mutations cau...

journal_title：Genetics

authors： Yampolsky LY,Allen C,Shabalina SA,Kondrashov AS

更新日期：2005-12-01 00:00:00

abstract：:A spontaneous antimycin A-resistant mutant carrying approximately four extra copies of ADH2 on chromosome XII was isolated from yeast strain 315-1D which lacks a functional copy of ADH1 and thus is antimycin A-sensitive. The additional copies of the normally glucose-repressed ADH2 are expressed during growth on glucos...

journal_title：Genetics

authors： Paquin CE,Dorsey M,Crable S,Sprinkel K,Sondej M,Williamson VM

更新日期：1992-02-01 00:00:00

abstract：:Mutations in the SPT10 and SPT21 genes were originally isolated as suppressors of Ty and LTR (delta) insertion mutations in Saccharomyces cerevisiae, and the genes were shown to be required for normal transcription at a number of loci in yeast. Now we have cloned, sequenced, mapped and mutagenized SPT10 and SPT21. Sin...

journal_title：Genetics

authors： Natsoulis G,Winston F,Boeke JD

更新日期：1994-01-01 00:00:00

abstract：:Analyses of 113 putative Mutator-induced events involving the yg2 locus of chromosome 9 revealed that 11 of these events were deletions that produce albino seedlings when homozygous. This phenotype is characteristic of wd (white deficiency) deletions. All 11 wd-Mu deletions failed to complement wd1 and pyd1 (pale-yell...

journal_title：Genetics

authors： Robertson DS,Stinard PS,Maguire MP

更新日期：1994-03-01 00:00:00

abstract：:The Drosophila gene exuperantia (exu) is a maternal effect gene which is needed for proper localization of the bcd RNA during the formation of oocytes. We have extended the characterization of the exu phenotype and find that the gene functions in the male as well as the female germline. Six of seven exu alleles are ma...

journal_title：Genetics

authors： Hazelrigg T,Watkins WS,Marcey D,Tu C,Karow M,Lin XR

更新日期：1990-11-01 00:00:00

abstract：:The Genetics Society of America (GSA) Medal recognizes researchers who have made outstanding contributions to the field of genetics in the past 15 years. The 2019 GSA Medal is awarded to Bonnie L. Bassler of Princeton University and the Howard Hughes Medical Institute in recognition of her groundbreaking studies of ba...

journal_title：Genetics

authors： Bassler BL

更新日期：2020-06-01 00:00:00

abstract：:The RecQ helicase family is critical during DNA damage repair, and mutations in these proteins are associated with Bloom, Werner, or Rothmund-Thompson syndromes in humans, leading to cancer predisposition and/or premature aging. In the budding yeast Saccharomyces cerevisiae, mutations in the RecQ homolog, SGS1, phenoc...

journal_title：Genetics

authors： Bernstein KA,Mimitou EP,Mihalevic MJ,Chen H,Sunjaveric I,Symington LS,Rothstein R

更新日期：2013-12-01 00:00:00