Analysis of close stable homolog juxtaposition during meiosis in mutants of Saccharomyces cerevisiae.

abstract：:The HML and HMR loci carry unexpressed copies of MATa and MAT alpha information, and a replica of that information is transposed to MAT during mating-type interchange in Saccharomyces yeasts. A negative control mechanism keeps silent the information located at the HML and HMR loci. We mapped these loci by constructing...

journal_title：Genetics

authors： Klar AJ,McIndoo J,Hicks JB,Strathern JN

更新日期：1980-10-01 00:00:00

abstract：:The Drosophila piwi gene is the founding member of the only known family of genes whose function in stem cell maintenance is highly conserved in both animal and plant kingdoms. piwi mutants fail to maintain germline stem cells in both male and female gonads. The identification of piwi-interacting genes is essential fo...

journal_title：Genetics

authors： Smulders-Srinivasan TK,Lin H

更新日期：2003-12-01 00:00:00

abstract：:According to the ratchet mechanism hypothesis, deleterious mutations should accumulate in clonal genomes of unisexual fish of the genus Poeciliopsis. This study defines one such mutant, a silent carboxylesterase allele (ES-5 degrees) which is found in the heterozygous condition in a particular population of P. monacha...

journal_title：Genetics

authors： Spinella DG,Vrijenhoek RC

更新日期：1982-02-01 00:00:00

abstract：:Penicillium marneffei is an opportunistic fungal pathogen of humans and the only dimorphic species identified in its genus. At 25 degrees P. marneffei exhibits true filamentous growth, while at 37 degrees P. marneffei undergoes a dimorphic transition to produce uninucleate yeast cells that divide by fission. Members o...

journal_title：Genetics

authors： Borneman AR,Hynes MJ,Andrianopoulos A

更新日期：2001-03-01 00:00:00

abstract：:Differential expression of mRNA among animal strains is one of the mechanisms for their diversity. cDNA microarray analysis of the prostates of BUF/Nac (BUF) and ACI/N (ACI) rats, which show different susceptibility to prostate cancers, found 195 differentially expressed genes. To identify loci that control differenti...

journal_title：Genetics

authors： Yamashita S,Wakazono K,Nomoto T,Tsujino Y,Kuramoto T,Ushijima T

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：:The DNMT1 cytosine methyltransferase enzyme contains a large ∼300-aa intrinsically disordered domain (IDD) that we previously showed regulated DNA methylation patterns in mouse ES cells. Here we generated seven mouse lines with different mutations in the IDD. Homozygous mutant mice of five lines developed normally, wi...

journal_title：Genetics

authors： Shaffer B,McGraw S,Xiao SC,Chan D,Trasler J,Chaillet JR

更新日期：2015-02-01 00:00:00

abstract：:We have selected 210 mutants able to grow on sucrose in the presence of 2-deoxyglucose. We identified recessive mutations in three major complementation groups that cause constitutive (glucose-insensitive) secreted invertase synthesis. Two groups comprise alleles of the previously identified HXK2 and REG1 genes, and t...

journal_title：Genetics

authors： Neigeborn L,Carlson M

更新日期：1987-02-01 00:00:00

abstract：:Our understanding of the cellular mechanisms by which animals regulate their response to starvation is limited, despite the strong relevance of the problem to major human health issues. The L1 diapause of Caenorhabditis elegans, where first-stage larvae arrest in response to a food-less environment, is an excellent sy...

journal_title：Genetics

authors： Cui M,Wang Y,Cavaleri J,Kelson T,Teng Y,Han M

更新日期：2017-02-01 00:00:00

abstract：:The Neurospora crassa super-suppressor mutation, ssu-1, suppresses the auxotrophic phenotype of the mutant am(17) by inserting tyrosine at residue 313 of NADP-specific glutamate dehydrogenase, a position occupied in the wild type by glutamate. Two classes of am(17) revertants due to further mutation within the am gene...

journal_title：Genetics

authors： Seale TW,Brett M,Baron AJ,Fincham JR

更新日期：1977-06-01 00:00:00

abstract：:A method for estimating the average level of gene flow among populations is introduced. The method provides an estimate of Nm, where N is the size of each local population in an island model and m is the migration rate. This method depends on knowing the phylogeny of the nonrecombining segments of DNA that are sampled...

journal_title：Genetics

authors： Slatkin M,Maddison WP

更新日期：1989-11-01 00:00:00

abstract：:Mutations in the genealogy of the sequences in a random sample from a population can be classified as external and internal. External mutations are mutations that occurred in the external branches and internal mutations are mutations that occurred in the internal branches of the genealogy. Under the assumption of sele...

journal_title：Genetics

authors： Fu YX,Li WH

更新日期：1993-03-01 00:00:00

abstract：:Resident gut bacteria are constantly influencing the immune system, yet the role of the immune system in shaping microbiota composition during an organism's life span has remained unclear. Experiments in mice have been inconclusive due to differences in husbandry schemes that led to conflicting results. We used Drosop...

journal_title：Genetics

authors： Mistry R,Kounatidis I,Ligoxygakis P

更新日期：2017-06-01 00:00:00

abstract：:The rag4 mutant of Kluyveromyces lactis was previously isolated as a fermentation-deficient mutant, in which transcription of the major glucose transporter gene RAG1 was affected. The wild-type RAG4 was cloned by complementation of the rag4 mutation and found to encode a protein homologous to Snf3 and Rgt2 of Saccharo...

journal_title：Genetics

authors： Betina S,Goffrini P,Ferrero I,Wésolowski-Louvel M

更新日期：2001-06-01 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：:The concept of haplotype blocks has been shown to be useful in genetics. Fields of application range from the detection of regions under positive selection to statistical methods that make use of dimension reduction. We propose a novel approach ("HaploBlocker") for defining and inferring haplotype blocks that focuses ...

journal_title：Genetics

authors： Pook T,Schlather M,de Los Campos G,Mayer M,Schoen CC,Simianer H

更新日期：2019-08-01 00:00:00

abstract：:We have studied the natural variation at microsatellite loci in two African and five non-African populations of Drosophila melanogaster. Ten dinucleotide simple sequence loci were cloned from chromosomally mapped P1 clones and typed for single individuals from isofemale lines of the respective populations. We find tha...

journal_title：Genetics

authors： Schlötterer C,Vogl C,Tautz D

更新日期：1997-05-01 00:00:00

abstract：:A genetic linkage map was constructed in a backcross family of the red flour beetle, Tribolium castaneum, based largely on sequences from bacterial artificial chromosome (BAC) ends and untranslated regions from random cDNA's. In most cases, dimorphisms were detected using heteroduplex or single-strand conformational p...

journal_title：Genetics

authors： Lorenzen MD,Doyungan Z,Savard J,Snow K,Crumly LR,Shippy TD,Stuart JJ,Brown SJ,Beeman RW

更新日期：2005-06-01 00:00:00

abstract：:The DNA-binding protein encoded by the zeste gene of Drosophila activates transcription and mediates interchromosomal interactions such as transvection. The mutant protein encoded by the zeste1 (z1) allele retains the ability to support transvection, but represses white. Similar to transvection, repression requires Ze...

journal_title：Genetics

authors： Rosen C,Dorsett D,Jack J

更新日期：1998-04-01 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：:We study levels of X-linked vs. autosomal diversity using a model developed to analyze the hitchhiking effect. Repeated bouts of hitchhiking are thought to lower X-linked diversity for two reasons: first, because sojourn times of beneficial mutations are shorter on the X, and second, because adaptive substitutions may...

journal_title：Genetics

authors： Betancourt AJ,Kim Y,Orr HA

更新日期：2004-12-01 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：:In most eukaryotes, crossovers are not independently distributed along the length of a chromosome. Instead, they appear to avoid close proximity to one another--a phenomenon known as crossover interference. Previously, for three of the five Arabidopsis chromosomes, we measured the strength of interference and suggeste...

journal_title：Genetics

authors： Lam SY,Horn SR,Radford SJ,Housworth EA,Stahl FW,Copenhaver GP

更新日期：2005-06-01 00:00:00

abstract：:Simple meiotic gene conversion tracts produced in wild-type females were compared with those from two meiotic mutants, mei-9 and mei-218. The positions and lengths of conversion tracts were determined by denaturing gradient gels and DNA sequencing. Conversion tracts in wild type averaged 885 base pairs in length, were...

journal_title：Genetics

authors： Curtis D,Bender W

更新日期：1991-04-01 00:00:00

abstract：:The eukaryotic cytoplasm contains a variety of ribonucleoprotein (RNP) granules in addition to the better-understood membrane-bound organelles. These granules form in response to specific stress conditions and contain a number of signaling molecules important for the control of cell growth and survival. However, relat...

journal_title：Genetics

authors： Zhang B,Shi Q,Varia SN,Xing S,Klett BM,Cook LA,Herman PK

更新日期：2016-07-01 00:00:00

abstract：:We present a genetic map based on microsatellite polymorphisms for the African human malaria vector, Anopheles gambiae. Polymorphisms in laboratory strains were detected for 89% of the tested microsatellite markers. Genotyping was performed for individual mosquitos from 13 backcross families that included 679 progeny....

journal_title：Genetics

authors： Zheng L,Benedict MQ,Cornel AJ,Collins FH,Kafatos FC

更新日期：1996-06-01 00:00:00

abstract：:During meiotic prophase I, sister chromatid cohesion is established in a way that supports the assembly of the synaptonemal complex (SC). The SC connects homologous chromosomes, directing meiotic recombination to create crossovers. In this paper, we identify two proteins that cooperate to import and load meiotic cohes...

journal_title：Genetics

authors： Bowman R,Balukof N,Ford T,Smolikove S

更新日期：2019-02-01 00:00:00

abstract：:Magnesium (Mg) is an essential enzyme cofactor and a key structural component of biological molecules, but relatively little is known about the molecular components required for Mg homeostasis in eukaryotic cells. The yeast genome encodes four characterized members of the CorA Mg transporter superfamily located in the...

journal_title：Genetics

authors： Pisat NP,Pandey A,Macdiarmid CW

更新日期：2009-11-01 00:00:00

abstract：:The aim of many genetic studies is to locate the genomic regions (called quantitative trait loci, QTL) that contribute to variation in a quantitative trait (such as body weight). Confidence intervals for the locations of QTL are particularly important for the design of further experiments to identify the gene or genes...

journal_title：Genetics

authors： Manichaikul A,Dupuis J,Sen S,Broman KW

更新日期：2006-09-01 00:00:00

abstract：:Statistical associations between phenotypic traits often result from shared developmental processes and include both covariation between the trait values and more complex associations between higher moments of the joint distribution of traits. In this article, an analytical technique for calculating the covariance bet...

journal_title：Genetics

authors： Rice SH

更新日期：2004-01-01 00:00:00