The use of microsatellite variation to infer population structure and demographic history in a natural model system.

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：:We have examined the in vivo requirement of two recently identified nonessential components of the budding yeast anaphase-promoting complex, Swm1p and Mnd2p, as well as that of the previously identified subunit Apc9p. swm1Delta mutants exhibit synthetic lethality or conditional synthetic lethality with other APC/C sub...

journal_title：Genetics

authors： Page AM,Aneliunas V,Lamb JR,Hieter P

更新日期：2005-07-01 00:00:00

abstract：:The effect of genetic hitchhiking on neutral variation is analyzed in subdivided populations with differentiated demes. After fixation of a favorable mutation, the consequences on particular subpopulations can be radically different. In the subpopulation where the mutation first appeared by mutation, variation at link...

journal_title：Genetics

authors： Santiago E,Caballero A

更新日期：2005-01-01 00:00:00

abstract：:Divergent phenotypes are often detected in domesticated plants despite the existence of invariant phenotypes in their wild forms. One such example in rice is the occurrence of varying degrees of apiculus coloration due to anthocyanin pigmentation, which was previously reported to be caused by a series of alleles at th...

journal_title：Genetics

authors： Saitoh K,Onishi K,Mikami I,Thidar K,Sano Y

更新日期：2004-10-01 00:00:00

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：:Genomic imprinting is well known as a regulatory property of a few specific chromosomal regions and leads to differential behavior of maternally and paternally inherited alleles. We surveyed the activity of two reporter genes in 23 independent P-element insertions on the heterochromatic Y chromosome of Drosophila mela...

journal_title：Genetics

authors： Maggert KA,Golic KG

更新日期：2002-11-01 00:00:00

abstract：:We subjected the genes encoding the 19.3-, 21.3c-, and 51-kDa iron-sulfur subunits of respiratory chain complex I from Neurospora crassa to site-directed mutagenesis to mimic mutations in human complex I subunits associated with mitochondrial diseases. The V135M substitution was introduced into the 19.3-kDa cDNA, the ...

journal_title：Genetics

authors： Duarte M,Schulte U,Ushakova AV,Videira A

更新日期：2005-09-01 00:00:00

abstract：:The larval cuticle protein (Lcp) cluster in Drosophila melanogaster contains four functional genes and a closely related pseudogene. A 630-bp fragment including the larval cuticle pseudogene locus (Lcp psi) was nucleotide sequenced in 10 strains of D. melanogaster and a 458-bp Lcp psi fragment from D. simulans was als...

journal_title：Genetics

authors： Pritchard JK,Schaeffer SW

更新日期：1997-09-01 00:00:00

abstract：:We present methods for estimating the parameters of inheritance and selection that appear in a quantitative genetic model for the evolution growth trajectories and other "infinite-dimensional" traits that we recently introduced. Two methods for estimating the additive genetic covariance function are developed, a "full...

journal_title：Genetics

authors： Kirkpatrick M,Lofsvold D,Bulmer M

更新日期：1990-04-01 00:00:00

abstract：:fl(2)d, the Drosophila homolog of Wilms'-tumor-1-associated protein (WTAP), regulates the alternative splicing of Sex-lethal (Sxl), transformer (tra), and Ultrabithorax (Ubx). Although WTAP has been found in functional human spliceosomes, exactly how it contributes to the splicing process remains unknown. Here we atte...

journal_title：Genetics

authors： Penn JK,Graham P,Deshpande G,Calhoun G,Chaouki AS,Salz HK,Schedl P

更新日期：2008-02-01 00:00:00

abstract：:In Saccharomyces cerevisiae, genes located at the telomeres and the HM loci are subject to transcriptional silencing. Here, we report results of screening a Gal4 DNA-binding domain hybrid library for proteins that cause silencing when targeted to a silencer-defective HMR locus. ...

journal_title：Genetics

authors： Andrulis ED,Zappulla DC,Alexieva-Botcheva K,Evangelista C,Sternglanz R

更新日期：2004-01-01 00:00:00

abstract：:Sexual isolating mechanisms that act before fertilization are often considered the most important genetic barriers leading to speciation in animals. While recent progress has been made toward understanding the genetic basis of the postzygotic isolating mechanisms of hybrid sterility and inviability, little is known ab...

journal_title：Genetics

authors： Moehring AJ,Li J,Schug MD,Smith SG,deAngelis M,Mackay TF,Coyne JA

更新日期：2004-07-01 00:00:00

abstract：:A semi-lethal, sterile allele of the smooth locus (2-91.5), sm3, was discovered in an artificial selection line for low abdominal bristle number that had been started from a P-M dysgenic cross. The fitness effects and extremely low bristle number phenotype of the allele could not be separated by recombination from a P...

journal_title：Genetics

authors： zur Lage P,Shrimpton AD,Flavell AJ,Mackay TF,Brown AJ

更新日期：1997-06-01 00:00:00

abstract：:Mutations in maternally transmitted symbionts can affect host fitness. In this study we investigate a mutation in an obligate bacterial symbiont (Buchnera), which has dramatic effects on the heat tolerance of pea aphid hosts (Acyrthosiphon pisum). The heat-sensitive allele arises through a single base deletion in a ho...

journal_title：Genetics

authors： Burke GR,McLaughlin HJ,Simon JC,Moran NA

更新日期：2010-09-01 00:00:00

abstract：:Methodology for mapping quantitative trait loci (QTL) has focused primarily on treating the QTL as a fixed effect. These methods differ from the usual models of genetic variation that treat genetic effects as random. Computationally expensive methods that allow QTL to be treated as random have been explicitly develope...

journal_title：Genetics

authors： Zimmer D,Mayer M,Reinsch N

更新日期：2011-01-01 00:00:00

abstract：:We present a two-part system for conditional FLP-out of FRT-flanked sequences in Caenorhabditis elegans to control gene activity in a spatially and/or temporally regulated manner. Using reporters, we assess the system for efficacy and demonstrate its use as a cell lineage marking tool. In addition, we construct and te...

journal_title：Genetics

authors： Voutev R,Hubbard EJ

更新日期：2008-09-01 00:00:00

abstract：:To avoid a loss in statistical power as a result of homozygous individuals being selected as parents of a mapping population, one can use multiple families of line crosses for quantitative trait genetic linkage analysis. Two strategies of combining data are investigated: the fixed-model and the random-model strategies...

journal_title：Genetics

authors： Xu S

更新日期：1998-01-01 00:00:00

abstract：:It is well known that most new mutations that affect fitness exert deleterious effects and that natural populations are often composed of subpopulations (demes) connected by gene flow. To gain a better understanding of the joint effects of purifying selection and population structure, we focus on a scenario where an a...

journal_title：Genetics

authors： Zeng K,Corcoran P

更新日期：2015-12-01 00:00:00

abstract：:The degree to which genomic architecture varies across space and time is central to the evolution of genomes in response to natural selection. Bulked-segregant mapping combined with pooled sequencing provides an efficient means to estimate the effect of genetic variants on quantitative traits. We develop a novel likel...

journal_title：Genetics

authors： Monnahan PJ,Kelly JK

更新日期：2017-07-01 00:00:00

abstract：:Disease resistance to the bacterial pathogen Pseudomonas syringae pv. tomato (Pst) in the cultivated tomato, Lycopersicon esculentum, and the closely related L. pimpinellifolium is triggered by the physical interaction between plant disease resistance protein, Pto, and the pathogen avirulence protein, AvrPto. To inves...

journal_title：Genetics

authors： Rose LE,Langley CH,Bernal AJ,Michelmore RW

更新日期：2005-09-01 00:00:00

abstract：:Hydroxyurea (HU) has been used for the treatment of multiple diseases, such as cancer. The therapeutic effect is generally believed to be due to the suppression of ribonucleotide reductase (RNR), which slows DNA polymerase movement at replication forks and induces an S phase cell cycle arrest in proliferating cells. A...

journal_title：Genetics

authors： Xu YJ,Singh A,Alter GM

更新日期：2016-11-01 00:00:00

abstract：:USING A NEWLY DEVELOPED PLATING SYSTEM, WE HAVE MEASURED CELL SURVIVAL AND THE FREQUENCIES OF VARIATION IN AN INHERITED TRAIT AFTER TREATMENT OF SOYBEAN CELL SUSPENSIONS WITH DIFFERENT MUTAGENS: ethyl methanesulfonate (EMS), methyl methanesulfonate (MMS), N-Methyl-N'-nitro-N-nitroso-guanidine (MNNG), hycanthone (1-{[2...

journal_title：Genetics

authors： Weber G,Lark KG

更新日期：1980-09-01 00:00:00

abstract：:We have found that temperature can have a striking effect upon protein export in Escherichia coli, suggesting that there is a cold-sensitive step in the protein export pathway. Cs mutations comprise the largest class of mutations affecting the membrane-localized Sec proteins SecD, SecE, SecF and SecY. Although some of...

journal_title：Genetics

authors： Pogliano KJ,Beckwith J

更新日期：1993-04-01 00:00:00

abstract：:Antisuppressor mutations in the eEF1A gene of Podospora anserina were previously shown to impair ascospore formation, to drastically increase life span, and to permit the development of the Crippled Growth degenerative process. Here, we show that eEF1A controls ascospore formation through accuracy level maintenance. E...

journal_title：Genetics

authors： Silar P,Lalucque H,Haedens V,Zickler D,Picard M

更新日期：2001-08-01 00:00:00

abstract：:Seventeen lines, each homozygous for a different X chromosome but all with a common autosomal genetic blackground, were constructed and assayed for abdominal bristle number to determine whether dosage compensation operates for sex-linked genes affecting this character. --The regression coefficient of male mean on fema...

journal_title：Genetics

authors： Frankham R

更新日期：1977-01-01 00:00:00

abstract：:The molecular basis of the maternally inherited, heteroplasmic NCS2 mutant of maize was investigated. Analysis of the NCS2 mtDNA showed that it closely resembles the progenitor cmsT mitochondrial genome, except that the mutant genome contains a fused nad4-nad7 gene and is deleted for the small fourth exon of nad4. The...

journal_title：Genetics

authors： Marienfeld JR,Newton KJ

更新日期：1994-11-01 00:00:00

abstract：:Microtubules are dynamic structures that must elongate, disassemble, and be cleaved into smaller pieces for proper neuronal development and function. The AAA ATPase Spastin severs microtubules along their lengths and is thought to regulate the balance between long, stable filaments and shorter fragments that seed exte...

journal_title：Genetics

authors： Ozdowski EF,Gayle S,Bao H,Zhang B,Sherwood NT

更新日期：2011-09-01 00:00:00

abstract：:Four maternal-effect sterile genes, mes-2, mes-3, mes-4, and mes-6, are essential for germline development in Caenorhabditis elegans. Homozygous mes progeny from heterozygous mothers are themselves fertile but produce sterile progeny with underproliferated and degenerated germlines. All four mes genes encode chromatin...

journal_title：Genetics

authors： Xu L,Strome S

更新日期：2001-11-01 00:00:00

abstract：:Genome-wide association studies (GWAS) have been widely used for identifying common variants associated with complex diseases. Despite remarkable success in uncovering many risk variants and providing novel insights into disease biology, genetic variants identified to date fail to explain the vast majority of the heri...

journal_title：Genetics

authors： Huang J,Wang K,Wei P,Liu X,Liu X,Tan K,Boerwinkle E,Potash JB,Han S

更新日期：2016-03-01 00:00:00

abstract：:While bacteria divide clonally, horizontal gene transfer followed by homologous recombination is now recognized as an important contributor to their evolution. However, the details of how the competition between clonality and recombination shapes genome diversity remains poorly understood. Using a computational model,...

journal_title：Genetics

authors： Dixit PD,Pang TY,Maslov S

更新日期：2017-09-01 00:00:00