Chromosomal fragmentation is the major consequence of the rdgB defect in Escherichia coli.

abstract：:The distribution within anthers of maize plants of microsporocytes of differing crossover class was studied by application of the serial-sectioning technique to plants heterozygous for a paracentric inversion. In such material, cells with four-strand double crossovers within the inversion are distinguishable from cell...

journal_title：Genetics

authors： Maguire MP

更新日期：1980-05-01 00:00:00

abstract：:The consequences of a discontinuity in the migration rate and of a geographical barrier in the habitat are studied in a diffusion model of migration and selection. The treatment is restricted to a single diallelic locus in a monoecious population in the absence of mutation and random drift. It is supposed further that...

journal_title：Genetics

authors： Nagylaki T

更新日期：1976-08-01 00:00:00

abstract：:Transposons can impact the host genome by altering gene expression and participating in chromosome rearrangements. Therefore, organisms evolved different ways to minimize the level of transposition. In Saccharomyces cerevisiae and its close relative S. paradoxus, Ty1 copy number control (CNC) is mediated by the self-e...

journal_title：Genetics

authors： Ahn HW,Tucker JM,Arribere JA,Garfinkel DJ

更新日期：2017-12-01 00:00:00

abstract：:We report a positive association between marital radius (distance between mates' birthplaces) and fertility detected in a large population. Spurious association due to socioeconomic factors is discarded by a conditional analysis involving income, education, and urbanicity. Strong evidence of consanguinity's deleteriou...

journal_title：Genetics

authors： Labouriau R,Amorim A

更新日期：2008-01-01 00:00:00

abstract：:Drosophila adult leg development provides an ideal model system for characterizing the molecular mechanisms of hormone-triggered morphogenesis. A pulse of the steroid hormone ecdysone at the onset of metamorphosis triggers the rapid transformation of a flat leg imaginal disc into an immature adult leg, largely through...

journal_title：Genetics

authors： Ward RE,Evans J,Thummel CS

更新日期：2003-11-01 00:00:00

abstract：:Although maize is naturally an outcrossing organism, modern breeding utilizes highly inbred lines in controlled crosses to produce hybrids. The U.S. Department of Agriculture's reciprocal recurrent selection experiment between the Iowa Stiff Stalk Synthetic (BSSS) and the Iowa Corn Borer Synthetic No. 1 (BSCB1) popula...

journal_title：Genetics

authors： Gerke JP,Edwards JW,Guill KE,Ross-Ibarra J,McMullen MD

更新日期：2015-11-01 00:00:00

abstract：:Differences in mating behaviors evolve early during speciation, eventually contributing to reproductive barriers between species. Knowledge of the genetic and genomic basis of these behaviors is therefore integral to a causal understanding of speciation. Acoustic behaviors are often part of the mating ritual in animal...

journal_title：Genetics

authors： Xu M,Shaw KL

更新日期：2019-03-01 00:00:00

abstract：:Two variations of the method of localized mutagenesis were used to introduce mutations into the 72 min region of the Escherichia coli chromosome. Twenty temperature-sensitive mutants, with linkage to markers in this region, have been examined. Each strain showed an inhibition of growth in liquid medium at 44 degrees, ...

journal_title：Genetics

authors： Champney WS

更新日期：1979-02-01 00:00:00

abstract：:While a variety of methods have been developed to deal with incomplete parental genotype information in family-based association tests, sampling design issues with incomplete parental genotype data still have not received much attention. In this article, we present simulation studies with four genetic models and vario...

journal_title：Genetics

authors： Yang Q,Xu X,Laird N

更新日期：2003-05-01 00:00:00

abstract：:Individual inbreeding and historical demography can be estimated by analyzing runs of homozygosity (ROH), which are indicative of chromosomal segments of identity by descent (IBD). Such analyses have so far been rare in natural populations due to limited genomic resources. We analyzed ROH in whole genome sequences fro...

journal_title：Genetics

authors： Kardos M,Qvarnström A,Ellegren H

更新日期：2017-03-01 00:00:00

abstract：:Several quantitative trait loci (QTL) mapping strategies can successfully identify major-effect loci, but often have poor success detecting loci with minor effects, potentially due to the confounding effects of major loci, epistasis, and limited sample sizes. To overcome such difficulties, we used a targeted backcross...

journal_title：Genetics

authors： Sinha H,David L,Pascon RC,Clauder-Münster S,Krishnakumar S,Nguyen M,Shi G,Dean J,Davis RW,Oefner PJ,McCusker JH,Steinmetz LM

更新日期：2008-11-01 00:00:00

abstract：:An elevated mutation rate can provide cells with a source of mutations to adapt to changing environments. We identified a negative epistatic interaction involving naturally occurring variants in the MLH1 and PMS1 mismatch repair (MMR) genes of Saccharomyces cerevisiae We hypothesized that this MMR incompatibility, cre...

journal_title：Genetics

authors： Bui DT,Friedrich A,Al-Sweel N,Liti G,Schacherer J,Aquadro CF,Alani E

更新日期：2017-04-01 00:00:00

abstract：:The infinite-sites model with no recombination is extended to include mutations that affect electrophoretic mobility. The model allows the effect of a single-site mutation to have a continuous effect on mobility. Formulae are obtained for the variance of electrophoretic mobility of alleles after an arbitrary lenght of...

journal_title：Genetics

authors： Cobbs G

更新日期：1979-06-01 00:00:00

abstract：:Studies in the fly, Drosophila melanogaster, have revealed that several signaling pathways are important for the regulation of growth. Among these, the insulin receptor/phosphoinositide 3-kinase (PI3K) pathway is remarkable in that it affects growth and final size without disturbing pattern formation. We have used a s...

journal_title：Genetics

authors： Coelho CM,Kolevski B,Walker CD,Lavagi I,Shaw T,Ebert A,Leevers SJ,Marygold SJ

更新日期：2005-10-01 00:00:00

abstract：:We present a two-layer hidden Markov model to detect the structure of haplotypes for unrelated individuals. This allows us to model two scales of linkage disequilibrium (one within a group of haplotypes and one between groups), thereby taking advantage of rich haplotype information to infer local ancestry of admixed i...

journal_title：Genetics

authors： Guan Y

更新日期：2014-03-01 00:00:00

abstract：:Microarray experiments have been used recently in genetical genomics studies, as an additional tool to understand the genetic mechanisms governing variation in complex traits, such as for estimating heritabilities of mRNA transcript abundances, for mapping expression quantitative trait loci, and for inferring regulato...

journal_title：Genetics

authors： Bueno Filho JS,Gilmour SG,Rosa GJ

更新日期：2006-10-01 00:00:00

abstract：:Repair replication of DNA has been studied in first instar larvae of Drosophila melanogaster with isopycnic centrifugation techniques. Larvae were fed BUdR, FUdR, streptomycin, penicillin, and Fungazone for two to four hours prior to exposure to UV, X-rays, MMS, or EMS. Feeding was continued for four hours in the pres...

journal_title：Genetics

authors： Boyd JB,Presley JM

更新日期：1974-08-01 00:00:00

abstract：:Yeast cells deficient in the transcriptional activator Imp2p are viable, but display marked hypersensitivity to a variety of oxidative agents. We now report that imp2 null mutants are also extremely sensitive to elevated levels of the monovalent ions, Na+ and Li+, as well as to the divalent ions Ca2+, Mn2+, Zn2+, and ...

journal_title：Genetics

authors： Masson JY,Ramotar D

更新日期：1998-06-01 00:00:00

abstract：:Genes at the SerH locus of the ciliated protist Tetrahymena thermophila specify the major (H) surface protein on cells grown at 20-36 degrees. Alternative proteins L, T, S and I are expressed under different conditions of temperature and culture media. Mutants unable to express SerH genes were examined for expression ...

journal_title：Genetics

authors： Smith DL,Doerder FP

更新日期：1992-01-01 00:00:00

abstract：:Ribosome biogenesis is tightly regulated through stress-sensing pathways that impact genome stability, aging and senescence. In Saccharomyces cerevisiae, ribosomal RNAs are transcribed from rDNA located on the right arm of chromosome XII. Numerous studies reveal that rDNA decondenses into a puff-like structure during ...

journal_title：Genetics

authors： Shen D,Skibbens RV

更新日期：2020-03-01 00:00:00

abstract：:The identity of a given cell type is determined by the expression of a set of genes sharing common cis-regulatory motifs and being regulated by shared transcription factors. Here, we identify cis and trans regulatory elements that drive gene expression in the bilateral sensory neuron ASJ, located in the head of the ne...

journal_title：Genetics

authors： González-Barrios M,Fierro-González JC,Krpelanova E,Mora-Lorca JA,Pedrajas JR,Peñate X,Chavez S,Swoboda P,Jansen G,Miranda-Vizuete A

更新日期：2015-05-01 00:00:00

abstract：:We examine the influence of nonrandom mating and immigration on the evolutionary dynamics of cytonuclear associations in hybrid zones. Recursion equations for allelic and genotypic cytonuclear disequilibria were generated under models of (1) migration alone, assuming hybrid zone matings are random with respect to cyto...

journal_title：Genetics

authors： Asmussen MA,Arnold J,Avise JC

更新日期：1989-08-01 00:00:00

abstract：:The sex-ratio trait described in several Drosophila species is a type of naturally occurring X-linked meiotic drive that causes males bearing a sex-ratio X chromosome to produce progenies with a large excess of females. We have previously reported the occurrence of sex-ratio X chromosomes in Drosophila simulans. In th...

journal_title：Genetics

authors： Cazemajor M,Landré C,Montchamp-Moreau C

更新日期：1997-10-01 00:00:00

abstract：:Two strains of Drosophila melanogaster derived from different geographical localities were subjected to selection for fast and slow developmental rate. Four enzyme polymorphisms were monitored for their response to such selection. Significant changes in allele frequencies were effected for the alphaGpdh and 6Pgd polym...

journal_title：Genetics

authors： Cavener DR

更新日期：1983-09-01 00:00:00

abstract：:The term "micro-evo-devo" refers to the combined study of the genetic and developmental bases of natural variation in populations and the evolutionary forces that have shaped this variation. It thus represents a synthesis of the fields of evolutionary developmental biology and population genetics. As has been pointed ...

journal_title：Genetics

authors： Nunes MD,Arif S,Schlötterer C,McGregor AP

更新日期：2013-11-01 00:00:00

abstract：:Understanding adaptive genetic responses to climate change is a main challenge for preserving biological diversity. Successful predictive models for climate-driven range shifts of species depend on the integration of information on adaptation, including that derived from genomic studies. Long-lived forest trees can ex...

journal_title：Genetics

authors： Jaramillo-Correa JP,Rodríguez-Quilón I,Grivet D,Lepoittevin C,Sebastiani F,Heuertz M,Garnier-Géré PH,Alía R,Plomion C,Vendramin GG,González-Martínez SC

更新日期：2015-03-01 00:00:00

abstract：:The transmission of transposed Ac elements in progeny derived by self-pollination of ten transformed tomato plants has been examined by Southern hybridization analysis. We show that six of these primary transformants have transmitted a transposed Ac to at least one progeny. One of the families was segregating for at l...

journal_title：Genetics

authors： Belzile F,Lassner MW,Tong Y,Khush R,Yoder JI

更新日期：1989-09-01 00:00:00

abstract：:Several human pathogens (e.g., Bacillus anthracis, Yersinia pestis, Bordetella pertussis, Plasmodium falciparum, and Mycobacterium tuberculosis) have very restricted unselected allelic variation in structural genes, which hinders study of the genetic relationships among strains and strain-trait correlations. To addres...

journal_title：Genetics

authors： Gutacker MM,Smoot JC,Migliaccio CA,Ricklefs SM,Hua S,Cousins DV,Graviss EA,Shashkina E,Kreiswirth BN,Musser JM

更新日期：2002-12-01 00:00:00

abstract：:Translocation induced in the immature oocyte, in meiotic prophase, affects division I orientation and segregation, the usual result being that the two halves of translocations are directed to opposite poles. Since interchange is usually (if not exclusively) between chromatids, this is to be expected from the creation ...

journal_title：Genetics

authors： Parker DR,Williamson JH

更新日期：1974-09-01 00:00:00

abstract：:Five bivariate distributions of wing dimensions of Drosophila melanogaster were measured, in flies 1) subjected to four defined environmental regimes during development, 2) taken directly from nature in seven U.S. states, 3) selected in ten populations for change in wing form, and 4) sampled from 21 long inbred wild-t...

journal_title：Genetics

authors： Weber KE

更新日期：1990-12-01 00:00:00