Sojourn times and substitution rate at overdominant and linked neutral loci.

abstract：:Sequence divergence among the mitochondrial (mt) DNA of nine Lycopersicon and two closely related Solanum species was estimated using the shared fragment method. A portion of each mt genome was highlighted by probing total DNA with a series of plasmid clones containing mt-specific DNA fragments from Lycopersicon penne...

journal_title：Genetics

authors： McClean PE,Hanson MR

更新日期：1986-03-01 00:00:00

abstract：:The characterization of the distribution of mutational effects is a key goal in evolutionary biology. Recently developed deep-sequencing approaches allow for accurate and simultaneous estimation of the fitness effects of hundreds of engineered mutations by monitoring their relative abundance across time points in a si...

journal_title：Genetics

authors： Matuszewski S,Hildebrandt ME,Ghenu AH,Jensen JD,Bank C

更新日期：2016-09-01 00:00:00

abstract：:We have studied the deletion of inverted repeats cloned into the EcoRI site within the CAT gene of plasmid pBR325. A cloned inverted repeat constitutes a palindrome that includes both EcoRI sites flanking the insert. In addition, the two EcoRI sites represent direct repeats flanking a region of palindromic symmetry. A...

journal_title：Genetics

authors： Sinden RR,Zheng GX,Brankamp RG,Allen KN

更新日期：1991-12-01 00:00:00

abstract：:Flowering is indicative of the transition from vegetative to reproductive phase, a critical event in the life cycle of plants. In soybean (Glycine max), a flowering quantitative trait locus, FT2, corresponding to the maturity locus E2, was detected in recombinant inbred lines (RILs) derived from the varieties "Misuzud...

journal_title：Genetics

authors： Watanabe S,Xia Z,Hideshima R,Tsubokura Y,Sato S,Yamanaka N,Takahashi R,Anai T,Tabata S,Kitamura K,Harada K

更新日期：2011-06-01 00:00:00

abstract：:Movement of transposons causes insertions, deletions, and chromosomal rearrangements potentially leading to premature lethality in Drosophila melanogaster. To repress these elements and combat genomic instability, eukaryotes have evolved several small RNA-mediated defense mechanisms. Specifically, in Drosophila somati...

journal_title：Genetics

authors： Russo J,Harrington AW,Steiniger M

更新日期：2016-01-01 00:00:00

abstract：:In yeast meiotic recombination, alleles used as genetic markers fall into two classes as regards their fate when incorporated into heteroduplex DNA. Normal alleles are those that form heteroduplexes that are nearly always recognized and corrected by the mismatch repair system operating in meiosis. High PMS (postmeioti...

journal_title：Genetics

authors： Manivasakam P,Rosenberg SM,Hastings PJ

更新日期：1996-02-01 00:00:00

abstract：:Many complex human traits exhibit differences between sexes. While numerous factors likely contribute to this phenomenon, growing evidence from genome-wide studies suggest a partial explanation: that males and females from the same population possess differing genetic architectures. Despite this, mapping gene-by-sex (...

journal_title：Genetics

authors： Funkhouser SA,Vazquez AI,Steibel JP,Ernst CW,Los Campos G

更新日期：2020-05-01 00:00:00

abstract：:A consensus microsatellite-based linkage map of the turbot (Scophthalmus maximus) was constructed from two unrelated families. The mapping panel was derived from a gynogenetic family of 96 haploid embryos and a biparental diploid family of 85 full-sib progeny with known linkage phase. A total of 242 microsatellites we...

journal_title：Genetics

authors： Bouza C,Hermida M,Pardo BG,Fernández C,Fortes GG,Castro J,Sánchez L,Presa P,Pérez M,Sanjuán A,de Carlos A,Alvarez-Dios JA,Ezcurra S,Cal RM,Piferrer F,Martínez P

更新日期：2007-12-01 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：:Drosophila melanogaster, an ancestrally African species, has recently spread throughout the world, associated with human activity. The species has served as the focus of many studies investigating local adaptation relating to latitudinal variation in non-African populations, especially those from the United States and...

journal_title：Genetics

authors： Reinhardt JA,Kolaczkowski B,Jones CD,Begun DJ,Kern AD

更新日期：2014-05-01 00:00:00

abstract：:The Snf1 protein kinase of the glucose signaling pathway in Saccharomyces cerevisiae is regulated by an autoinhibitory interaction between the regulatory and catalytic domains of Snf1p. Transitions between the autoinhibited and active states are controlled by an upstream kinase and the Reg1p-Glc7p protein phosphatase ...

journal_title：Genetics

authors： Kuchin S,Vyas VK,Kanter E,Hong SP,Carlson M

更新日期：2003-02-01 00:00:00

abstract：:Rates of molecular evolution at some loci are more irregular than described by simple Poisson processes. Three situations under which molecular evolution would not follow simple Poisson processes are reevaluated from the viewpoint of the neutrality hypothesis: concomitant or multiple substitutions in a gene, fluctuati...

journal_title：Genetics

authors： Takahata N

更新日期：1987-05-01 00:00:00

abstract：:The recombination frequency as influenced by five independent recessive ds genes was measured on three segments of different chromosomes of rice, Oryza sativa L. Each ds gene in the homozygous condition resulted in an almost equally reduced recombination frequency in the three segments. When the mean reduction in reco...

journal_title：Genetics

authors： Kitada K,Omura T

更新日期：1984-11-01 00:00:00

abstract：:Spt3 of Saccharomyces cerevisiae is required for the normal transcription of many genes in vivo. Past studies have shown that Spt3 is required for both mating and sporulation, two events that initiate when cells are at G(1)/START. We now show that Spt3 is needed for two other events that begin at G(1)/START, diploid f...

journal_title：Genetics

authors： Laprade L,Boyartchuk VL,Dietrich WF,Winston F

更新日期：2002-06-01 00:00:00

abstract：:Interactions between Drosophila C virus (DCV) and its natural host, Drosophila melanogaster, were investigated using 15 geographical population samples infected by intraabdominal inoculation. These strains derived from natural populations of D. melanogaster differed in susceptibility to the DCVc. One strain was "parti...

journal_title：Genetics

authors： Thomas-Orillard M,Jeune B,Cusset G

更新日期：1995-08-01 00:00:00

abstract：:There is an increasing awareness that selection affecting linked neutral sites strongly influences on how diversity is distributed across the genome. In particular, linked selection is likely involved in the formation of heterogenous landscapes of genetic diversity, including genomic regions with locally reduced effec...

journal_title：Genetics

authors： Rettelbach A,Nater A,Ellegren H

更新日期：2019-05-01 00:00:00

abstract：:Clustering individuals to subpopulations based on genetic data has become commonplace in many genetic studies. Inference about population structure is most often done by applying model-based approaches, aided by visualization using distance-based approaches such as multidimensional scaling. While existing distance-bas...

journal_title：Genetics

authors： Greenbaum G,Templeton AR,Bar-David S

更新日期：2016-04-01 00:00:00

abstract：:The knotted1 gene was first defined by dominant mutations that affect leaf morphology. The original allele, Kn1-O, results from a 17-kb tandem duplication. Mutator (Mu) insertions near the junction of the two repeats suppress the leaf phenotype to different degrees depending on the position of the insertion. The Mu in...

journal_title：Genetics

authors： Mathern J,Hake S

更新日期：1997-09-01 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：:We consider some practical statistical issues in QTL analysis where several crosses originate in multiple inbred parents. Our results show that ignoring background polygenic variation in different crosses may lead to biased interval mapping estimates of QTL effects or loss of efficiency. Threshold and power approximat...

journal_title：Genetics

authors： Zou F,Yandell BS,Fine JP

更新日期：2001-07-01 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：:A key quantity in the analysis of structured populations is the parameter K, which describes the number of subpopulations that make up the total population. Inference of K ideally proceeds via the model evidence, which is equivalent to the likelihood of the model. However, the evidence in favor of a particular value o...

journal_title：Genetics

authors： Verity R,Nichols RA

更新日期：2016-08-01 00:00:00

abstract：:The mak7-1 mutant loses the killer toxin-encoding M1 dsRNA. MAK7 is RPL4A, one of two genes encoding ribosomal protein L4. KRB1 is a dominant suppressor of mak7-1 that is tightly centromerelinked, but not linked to centromere markers of chromosomes I-XVI. Our orthogonal field agarose gel electrophoresis analysis of ch...

journal_title：Genetics

authors： Ohtake Y,Wickner RB

更新日期：1995-05-01 00:00:00

abstract：:The early steps of symbiotic nodule formation by Rhizobium on plants require coordinate expression of several nod gene operons, which is accomplished by the activating protein NodD. Three different NodD proteins are encoded by Sym plasmid genes in Rhizobium meliloti, the alfalfa symbiont. NodD1 and NodD2 activate nod ...

journal_title：Genetics

authors： Swanson JA,Mulligan JT,Long SR

更新日期：1993-06-01 00:00:00

abstract：:Heritable silencing effects are gene suppression phenomena that can persist for generations after induction. In the majority of RNAi experiments conducted in Caenorhabditis elegans, the silencing response results in a hypomorphic phenotype where the effects recede after the F1 generation. F2 and subsequent generations...

journal_title：Genetics

authors： Alcazar RM,Lin R,Fire AZ

更新日期：2008-11-01 00:00:00

abstract：:The Drosophila hook gene encodes a novel component of the endocytic compartment. Previously identified hook alleles, which still expressed truncated Hook proteins, affected the accumulation of internalized transmembrane ligands into multivesicular bodies (MVBs). To determine the hook null phenotype, we isolated nine n...

journal_title：Genetics

authors： Krämer H,Phistry M

更新日期：1999-02-01 00:00:00

abstract：:Presynaptic association of homologous chromosomes is a prerequisite to the sequence of events that lead to chiasma formation. This association of homologous chromosomes, as entire units, occurs with probability a, and chiasma formation occurs independently in opposite chromosome arms with probability c. a and c have b...

journal_title：Genetics

authors： Driscoll CJ,Bielig LM,Darvey NL

更新日期：1979-04-01 00:00:00

abstract：:Efficient haplotyping in pedigrees is important for the fine mapping of quantitative trait locus (QTL) or complex disease genes. To reconstruct haplotypes efficiently for a large pedigree with a large number of linked loci, two algorithms based on conditional probabilities and likelihood computations are presented. Th...

journal_title：Genetics

authors： Gao G,Hoeschele I,Sorensen P,Du F

更新日期：2004-08-01 00:00:00

abstract：:Mutation of the two homothallic genes, HML alpha/HMLa and HMRa/HMR alpha, in homothallic strains of Saccharomyces cerevisiae was studied. Of 11 mutants of the HML alpha gene, eight were due to a phenotypic mutation from HML alpha to HMLa, i.e., a mutation causing a change in function of the original HML allele to that...

journal_title：Genetics

authors： Oshima T,Takano I

更新日期：1980-04-01 00:00:00

abstract：:The distribution of fitness effects (DFE) of new mutations is of fundamental importance in evolutionary genetics. Recently, methods have been developed for inferring the DFE that use information from the allele frequency distributions of putatively neutral and selected nucleotide polymorphic variants in a population s...

journal_title：Genetics

authors： Schneider A,Charlesworth B,Eyre-Walker A,Keightley PD

更新日期：2011-12-01 00:00:00