The role of a pollen-expressed Cullin1 protein in gametophytic self-incompatibility in Solanum.

abstract：:We introduce an approach to revealing the likelihood of different population histories that utilizes an explicit model of sequence evolution for the DNA segment under study. Based on a phylogenetic tree reconstruction method we show that a Tamura-Nei model with heterogeneous mutation rates is a fair description of the...

journal_title：Genetics

authors： Weiss G,von Haeseler A

更新日期：1998-07-01 00:00:00

abstract：:Heterozygotes for three long inversions on chromosome 1 were analyzed by serial reconstruction from electron micrographs. Measurements of loop lengths at different meiotic prophase substages revealed that the homologous synapsis of the inverted region was gradually replaced by nonhomologous synapsis as loops were elim...

journal_title：Genetics

authors： Bojko M

更新日期：1990-03-01 00:00:00

abstract：:A genetic map for the model legume Lotus japonicus has been developed. The F(2) mapping population was established from an interspecific cross between L. japonicus and L. filicaulis. A high level of DNA polymorphism between these parents was the source of markers for linkage analysis and the map is based on a framewor...

journal_title：Genetics

authors： Sandal N,Krusell L,Radutoiu S,Olbryt M,Pedrosa A,Stracke S,Sato S,Kato T,Tabata S,Parniske M,Bachmair A,Ketelsen T,Stougaard J

更新日期：2002-08-01 00:00:00

abstract：:Adaptation from de novo mutation can produce so-called soft selective sweeps, where adaptive alleles of independent mutational origin sweep through the population at the same time. Population genetic theory predicts that such soft sweeps should be likely if the product of the population size and the mutation rate towa...

journal_title：Genetics

authors： Wilson BA,Petrov DA,Messer PW

更新日期：2014-10-01 00:00:00

abstract：:Site-specific recombinases are widely used tools for analysis of genetics, development, and cell biology, and many schemes have been devised to alter gene expression by recombinase-mediated DNA rearrangements. Because the FRT and lox target sites for the commonly used FLP and Cre recombinases are asymmetrical, and mus...

journal_title：Genetics

authors： Titen SWA,Johnson MTB,Capecchi M,Golic KG

更新日期：2020-08-01 00:00:00

abstract：:We have isolated 136 independent mutations in haploid yeast strains that exhibit decreased chromosome transmission fidelity in mitosis. Eighty-five percent of the mutations are recessive and 15% are partially dominant. Complementation analysis between MATa and MAT alpha isolates identifies 11 chromosome transmission f...

journal_title：Genetics

authors： Spencer F,Gerring SL,Connelly C,Hieter P

更新日期：1990-02-01 00:00:00

abstract：:Gene duplication is arguably the most significant source of new functional genetic material. A better understanding of the processes that lead to the stable incorporation of gene duplications into the genome is important both because it relates to interspecific differences in genome composition and because it can shed...

journal_title：Genetics

authors： Proulx SR

更新日期：2012-02-01 00:00:00

abstract：:Mounting evidence suggests that natural populations can harbor extensive fitness diversity with numerous genomic loci under selection. It is also known that genealogical trees for populations under selection are quantifiably different from those expected under neutral evolution and described statistically by Kingman's...

journal_title：Genetics

authors： Dayarian A,Shraiman BI

更新日期：2014-07-01 00:00:00

abstract：:We examined the inheritance of allelic variation at an isozyme locus, MDH-B, duplicated by ancestral polyploidy in salmonid fishes. We detected only disomic segregation in females. Segregation ratios in males were best explained by a mixture of disomic and tetrasomic inheritance. We propose a two-stage model of pairin...

journal_title：Genetics

authors： Allendorf FW,Danzmann RG

更新日期：1997-04-01 00:00:00

abstract：:The yeast genetics community has embraced genomic biology, and there is a general understanding that obtaining a full encyclopedia of functions of the approximately 6000 genes is a worthwhile goal. The yeast literature comprises over 40,000 research papers, and the number of yeast researchers exceeds the number of gen...

journal_title：Genetics

authors： Peña-Castillo L,Hughes TR

更新日期：2007-05-01 00:00:00

abstract：:The mitochondrial DNA (mtDNA) in animals is generally a circular molecule of approximately 15 kb, but there are many exceptions such as linear molecules and larger ones. RFLP studies indicated that the mtDNA in the terrestrial isopod Armadillidium vulgare varied from 20 to 42 kb. This variation depended on the restric...

journal_title：Genetics

authors： Raimond R,Marcadé I,Bouchon D,Rigaud T,Bossy JP,Souty-Grosset C

更新日期：1999-01-01 00:00:00

abstract：:Mutations that confer the loss of a single biochemical property (separation-of-function mutations) can often uncover a previously unknown role for a protein in a particular biological process. However, most mutations are identified based on loss-of-function phenotypes, which cannot differentiate between separation-of-...

journal_title：Genetics

authors： Lubin JW,Rao T,Mandell EK,Wuttke DS,Lundblad V

更新日期：2013-03-01 00:00:00

abstract：:N6-methyladenosine (m6A), catalyzed by Mettl3 methyltransferase, is a highly conserved epigenetic modification in eukaryotic messenger RNA (mRNA). Previous studies have implicated m6A modification in multiple biological processes, but the in vivo function of m6A has been difficult to study, because mettl3 mutants are ...

journal_title：Genetics

authors： Xia H,Zhong C,Wu X,Chen J,Tao B,Xia X,Shi M,Zhu Z,Trudeau VL,Hu W

更新日期：2018-02-01 00:00:00

abstract：:Repair of double-strand breaks (DSBs) in chromosomal DNA by nonhomologous end-joining (NHEJ) is not well characterized in the yeast Saccharomyces cerevisiae. Here we demonstrate that several genes associated with NHEJ perform essential functions in the repair of endonuclease-induced DSBs in vivo. Galactose-induced exp...

journal_title：Genetics

authors： Lewis LK,Westmoreland JW,Resnick MA

更新日期：1999-08-01 00:00:00

abstract：:Phosphatidylinositol catabolism in Saccharomyces cerevisiae cells cultured in media containing inositol results in the release of glycerophosphoinositol (GroPIns) into the medium. As the extracellular concentration of inositol decreases with growth, the released GroPIns is transported back into the cell. Exploiting th...

journal_title：Genetics

authors： Patton-Vogt JL,Henry SA

更新日期：1998-08-01 00:00:00

abstract：:The genetic basis of body weight in the mouse was investigated by measuring frequency changes of microsatellite marker alleles in lines divergently selected for body weight from a base population of a cross between two inbred strains. In several regions of the genome, sharp peaks of frequency change at linked markers ...

journal_title：Genetics

authors： Keightley PD,Hardge T,May L,Bulfield G

更新日期：1996-01-01 00:00:00

abstract：:The vertebrate limb serves as an experimental paradigm to study mechanisms that regulate development of the stereotypical skeletal elements. In this study, we simultaneously inactivated Sall4 using Hoxb6Cre and Plzf in mouse embryos, and found that their combined function regulates development of the proximal-anterior...

journal_title：Genetics

authors： Chen KQ,Tahara N,Anderson A,Kawakami H,Kawakami S,Nishinakamura R,Pandolfi PP,Kawakami Y

更新日期：2020-05-01 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：:Genetically marked P elements inserted into the subtelomeric satellites of Drosophila show repression and variegation of the reporter gene. One such white+ reporter, inserted between the subtelomeric satellite and the terminal HeT-A array in the left arm of chromosome 2 (2L), is sensitive to its context; changes in th...

journal_title：Genetics

authors： Golubovsky MD,Konev AY,Walter MF,Biessmann H,Mason JM

更新日期：2001-07-01 00:00:00

abstract：:We have analyzed two variants of Drosophila melanogaster (RS and RE) which lead to the dual phenotype of elevated DDC activity and increased resistance to dietary alpha-methyldopa relative to Oregon-R controls. Both phenotypes show tight genetic linkage to the dopa decarboxylase, Ddc, and l(2)amd genes (i.e., less tha...

journal_title：Genetics

authors： Marsh JL,Wright TR

更新日期：1986-02-01 00:00:00

abstract：:Rapid and high wing-beat frequencies achieved during insect flight are powered by the indirect flight muscles, the largest group of muscles present in the thorax. Any anomaly during the assembly and/or structural impairment of the indirect flight muscles gives rise to a flightless phenotype. Multiple mutagenesis scree...

journal_title：Genetics

authors： Firdaus H,Mohan J,Naz S,Arathi P,Ramesh SR,Nongthomba U

更新日期：2015-05-01 00:00:00

abstract：:During meiosis homologous chromosomes replicate once, pair, experience recombination, and undergo two rounds of segregation to produce haploid meiotic products. The rec8(+), rec10(+), and rec11(+) genes of the fission yeast Schizosaccharomyces pombe exhibit similar specificities for meiotic recombination and rec8(+) i...

journal_title：Genetics

authors： Krawchuk MD,DeVeaux LC,Wahls WP

更新日期：1999-09-01 00:00:00

abstract：:Gene targeting using sequence insertion vectors generally results in integration of one copy of the targeting vector generating a tandem duplication of the cognate chromosomal region of homology. However, occasionally the target locus is found to contain >1 copy of the integrated vector. The mechanism by which the lat...

journal_title：Genetics

authors： Ng P,Baker MD

更新日期：1999-03-01 00:00:00

abstract：:The first five steps in de novo purine biosynthesis are involved in the formation of the 4-amino-5-hydroxymethyl-2-methyl pyrimidine (HMP) moiety of thiamine. We show here that the first enzyme in de novo purine biosynthesis, PurF, is required for thiamine synthesis during aerobic growth on some but not other carbon s...

journal_title：Genetics

authors： Petersen L,Enos-Berlage J,Downs DM

更新日期：1996-05-01 00:00:00

abstract：:In large populations, multiple beneficial mutations may be simultaneously spreading. In asexual populations, these mutations must either arise on the same background or compete against each other. In sexual populations, recombination can bring together beneficial alleles from different backgrounds, but tightly linked ...

journal_title：Genetics

authors： Weissman DB,Hallatschek O

更新日期：2014-04-01 00:00:00

abstract：:The recent progress in sequencing technologies makes possible large-scale medical sequencing efforts to assess the importance of rare variants in complex diseases. The results of such efforts depend heavily on the use of efficient study designs and analytical methods. We introduce here a unified framework for associat...

journal_title：Genetics

authors： Ionita-Laza I,Ottman R

更新日期：2011-11-01 00:00:00

abstract：:Crossover interference in meiosis is often modeled via stationary renewal processes. Here we consider a new model to incorporate the known biological feature of "obligate chiasma" whereby in most organisms each bivalent almost always has at least one crossover. The initial crossover is modeled as uniformly distributed...

journal_title：Genetics

authors： Falque M,Mercier R,Mézard C,de Vienne D,Martin OC

更新日期：2007-07-01 00:00:00

abstract：:Peroxisomes are organelles containing a diverse array of enzymes. In fungi they are important for carbon source utilization, pathogenesis, development, and secondary metabolism. We have studied Aspergillus nidulans peroxin (pex) mutants isolated by virtue of their inability to grow on butyrate or by the inactivation o...

journal_title：Genetics

authors： Hynes MJ,Murray SL,Khew GS,Davis MA

更新日期：2008-03-01 00:00:00

abstract：:Over 100 regulatory mutations linked to the histidine (his) operon of S. typhimurium have been isolated. They all map in a region estimated to be several hundred base pairs in length located at one end of the his operon ("the hisO region"). The mutations are located at sixteen recombinationally separable sites or are ...

journal_title：Genetics

authors： Ely B,Fankhauser DB,Hartman PE

更新日期：1974-10-01 00:00:00

abstract：:In multigene families, variation among loci and alleles can contribute to trait evolution. We explored patterns of functional and genetic variation in six duplicated Arabidopsis thaliana trypsin inhibitor (ATTI) loci. We demonstrate significant variation in constitutive and herbivore-induced transcription among ATTI l...

journal_title：Genetics

authors： Clauss MJ,Mitchell-Olds T

更新日期：2004-03-01 00:00:00