abstract：:DNA methylation is a chromatin modification that contributes to epigenetic regulation of gene expression. The inheritance patterns and trans-generational stability of 962 differentially methylated regions (DMRs) were assessed in a panel of 71 near-isogenic lines (NILs) derived from maize (Zea mays) inbred lines B73 an...

journal_title：Genetics

authors： Li Q,Eichten SR,Hermanson PJ,Springer NM

更新日期：2014-03-01 00:00:00

abstract：:Septin proteins bind GTP and heterooligomerize into filaments with conserved functions across a wide range of eukaryotes. Most septins hydrolyze GTP, altering the oligomerization interfaces; yet mutations designed to abolish nucleotide binding or hydrolysis by yeast septins perturb function only at high temperatures. ...

journal_title：Genetics

authors： Weems AD,Johnson CR,Argueso JL,McMurray MA

更新日期：2014-03-01 00:00:00

abstract：:Conifers are the predominant gymnosperm. The size and complexity of their genomes has presented formidable technical challenges for whole-genome shotgun sequencing and assembly. We employed novel strategies that allowed us to determine the loblolly pine (Pinus taeda) reference genome sequence, the largest genome assem...

journal_title：Genetics

authors： Zimin A,Stevens KA,Crepeau MW,Holtz-Morris A,Koriabine M,Marçais G,Puiu D,Roberts M,Wegrzyn JL,de Jong PJ,Neale DB,Salzberg SL,Yorke JA,Langley CH

更新日期：2014-03-01 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：:We previously isolated a pollen factor, ui6.1, which encodes a Cullin1 protein (CUL1) that functions in unilateral interspecific incompatibility (UI) in Solanum. Here we show that CUL1 is also required for pollen function in self-incompatibility (SI). We used RNA interference (RNAi) to reduce CUL1 expression in pollen...

journal_title：Genetics

authors： Li W,Chetelat RT

更新日期：2014-02-01 00:00:00

abstract：:Gain or loss of chromosomes resulting in aneuploidy can be important factors in cancer and adaptive evolution. Although chromosome gain is a frequent event in eukaryotes, there is limited information on its genetic control. Here we measured the rates of chromosome gain in wild-type yeast and sister chromatid cohesion ...

journal_title：Genetics

authors： Covo S,Puccia CM,Argueso JL,Gordenin DA,Resnick MA

更新日期：2014-02-01 00:00:00

abstract：:In fission yeast, the septation initiation network (SIN) is thought to promote cytokinesis by downstream activation of Rho1, a conserved GTPase that controls cell growth and division. Here we show that Etd1 and PP2A-Pab1, antagonistic regulators of SIN, are Rho1 regulators. Our genetic and biochemical studies indicate...

journal_title：Genetics

authors： Alcaide-Gavilán M,Lahoz A,Daga RR,Jimenez J

更新日期：2014-02-01 00:00:00

abstract：:Development of the Caenorhabditis elegans foregut (pharynx) is regulated by a network of proteins that includes the Retinoblastoma protein (pRb) ortholog LIN-35; the ubiquitin pathway components UBC-18 and ARI-1; and PHA-1, a cytoplasmic protein. Loss of pha-1 activity impairs pharyngeal development and body morphogen...

journal_title：Genetics

authors： Polley SR,Kuzmanov A,Kuang J,Karpel J,Lažetić V,Karina EI,Veo BL,Fay DS

更新日期：2014-01-01 00:00:00

abstract：:Natural selection favors alleles that increase the number of offspring produced by their carriers. But in a world that is inherently uncertain within generations, selection also favors alleles that reduce the variance in the number of offspring produced. If previous studies have established this principle, they have l...

journal_title：Genetics

authors： Mullon C,Reuter M,Lehmann L

更新日期：2014-01-01 00:00:00

abstract：:The RecQ helicase family is critical during DNA damage repair, and mutations in these proteins are associated with Bloom, Werner, or Rothmund-Thompson syndromes in humans, leading to cancer predisposition and/or premature aging. In the budding yeast Saccharomyces cerevisiae, mutations in the RecQ homolog, SGS1, phenoc...

journal_title：Genetics

authors： Bernstein KA,Mimitou EP,Mihalevic MJ,Chen H,Sunjaveric I,Symington LS,Rothstein R

更新日期：2013-12-01 00:00:00

abstract：:Automated image acquisition, a custom analysis algorithm, and a distributed computing resource were used to add time as a third dimension to a quantitative trait locus (QTL) map for plant root gravitropism, a model growth response to an environmental cue. Digital images of Arabidopsis thaliana seedling roots from two ...

journal_title：Genetics

authors： Moore CR,Johnson LS,Kwak IY,Livny M,Broman KW,Spalding EP

更新日期：2013-11-01 00:00:00

abstract：:The long terminal repeat retrotransposon, Magnaporthe gypsy-like element (MAGGY), has been shown to be targeted for cytosine methylation in a subset of Magnaporthe oryzae field isolates. Analysis of the F1 progeny from a genetic cross between methylation-proficient (Br48) and methylation-deficient (GFSI1-7-2) isolates...

journal_title：Genetics

authors： Ikeda K,Van Vu B,Kadotani N,Tanaka M,Murata T,Shiina K,Chuma I,Tosa Y,Nakayashiki H

更新日期：2013-11-01 00:00:00

abstract：:Many insects feed on only one or a few types of host. These host specialists often evolve a preference for chemical cues emanating from their host and develop mechanisms for circumventing their host's defenses. Adaptations like these are central to evolutionary biology, yet our understanding of their genetics remains ...

journal_title：Genetics

authors： Hungate EA,Earley EJ,Boussy IA,Turissini DA,Ting CT,Moran JR,Wu ML,Wu CI,Jones CD

更新日期：2013-11-01 00:00:00

abstract：:During meiosis, the stable pairing of the homologous chromosomes is mediated by the assembly of the synaptonemal complex (SC). Its tripartite structure is well conserved in Metazoa and consists of two lateral elements (LEs) and a central region (CR) that in turn is formed by several transverse filaments (TFs) and a ce...

journal_title：Genetics

authors： Fraune J,Brochier-Armanet C,Alsheimer M,Benavente R

更新日期：2013-11-01 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：:Knowledge of the rate and fitness effects of mutations is essential for understanding the process of evolution. Mutations are inherently difficult to study because they are rare and are frequently eliminated by natural selection. In the ciliate Tetrahymena thermophila, mutations can accumulate in the germline genome w...

journal_title：Genetics

authors： Long HA,Paixão T,Azevedo RB,Zufall RA

更新日期：2013-10-01 00:00:00

abstract：:Polycomb group response elements (PREs) play an essential role in gene regulation by the Polycomb group (PcG) repressor proteins in Drosophila. PREs are required for the recruitment and maintenance of repression by the PcG proteins. PREs are made up of binding sites for multiple DNA-binding proteins, but it is still u...

journal_title：Genetics

authors： Brown JL,Kassis JA

更新日期：2013-10-01 00:00:00

abstract：:Constitutive transport of cellular materials is essential for cell survival. Although multiple small GTPase Rab proteins are required for the process, few regulators of Rabs are known. Here we report that EAT-17, a novel GTPase-activating protein (GAP), regulates RAB-6.2 function in grinder formation in Caenorhabditis...

journal_title：Genetics

authors： Straud S,Lee I,Song B,Avery L,You YJ

更新日期：2013-09-01 00:00:00

abstract：:Regulation of development and entry into sporulation is critical for fungi to ensure survival of unfavorable environmental conditions. Here we present an analysis of gene sets regulating sporulation in the homothallic ascomycete Ashbya gossypii. Deletion of components of the conserved pheromone/starvation MAP kinase c...

journal_title：Genetics

authors： Wasserstrom L,Lengeler KB,Walther A,Wendland J

更新日期：2013-09-01 00:00:00

abstract：:Genetic adaptation to external stimuli occurs through the combined action of mutation and selection. A central problem in genetics is to identify loci responsive to specific selective constraints. Many tests have been proposed to identify the genomic signatures of natural selection by quantifying the skew in the site ...

journal_title：Genetics

authors： Ronen R,Udpa N,Halperin E,Bafna V

更新日期：2013-09-01 00:00:00

abstract：:Cyclic guanosine monophosphate (cGMP) is a key secondary messenger used in signal transduction in various types of sensory neurons. The importance of cGMP in the ASE gustatory receptor neurons of the nematode Caenorhabditis elegans was deduced by the observation that multiple receptor-type guanylyl cyclases (rGCs), en...

journal_title：Genetics

authors： Smith HK,Luo L,O'Halloran D,Guo D,Huang XY,Samuel AD,Hobert O

更新日期：2013-08-01 00:00:00

abstract：:Most studies of mutation rates implicitly assume that they remain constant throughout development of the germline. However, researchers recently used a novel statistical framework to reveal that mutation rates differ dramatically during sperm development in Drosophila melanogaster. Here a general framework is describe...

journal_title：Genetics

authors： Fu YX

更新日期：2013-08-01 00:00:00

abstract：:A canon of population genetics concerns the properties of FST, a descriptor of spatial genetic structure. Interest for FST arose from Wright's early insights linking FST to dispersal parameters as well as to his concept of effective population size (e.g., Wright 1938, 1951). Although there is continued interest in thi...

journal_title：Genetics

authors： Rousset F

更新日期：2013-07-01 00:00:00

abstract：:During the first weeks of human immunodeficiency virus-1 (HIV-1) infection, cytotoxic T-lymphocytes (CTLs) select for multiple escape mutations in the infecting HIV population. In recent years, methods that use escape mutation data to estimate rates of HIV escape have been developed, thereby providing a quantitative f...

journal_title：Genetics

authors： Leviyang S

更新日期：2013-07-01 00:00:00

abstract：:The importance of mitochondrial DNA (mtDNA) deletions in the progeroid phenotype of exonuclease-deficient DNA polymerase γ mice has been intensely debated. We show that disruption of Mip1 exonuclease activity increases mtDNA deletions 160-fold, whereas disease-associated polymerase variants were mostly unaffected, sug...

journal_title：Genetics

authors： Stumpf JD,Copeland WC

更新日期：2013-06-01 00:00:00

abstract：:An article by Singh and colleagues in this issue of GENETICS quantifies variation in recombination rate across a small region of the Drosophila melanogaster genome, providing an opportunity for instructors of genetics to introduce or reinforce important concepts such as recombination and recombination rate variation, ...

journal_title：Genetics

authors： Heil CS,Noor MA

更新日期：2013-06-01 00:00:00

abstract：:Nucleostemin 3 (NS3) is an evolutionarily conserved protein with profound roles in cell growth and viability. Here we analyze cell-autonomous and non-cell-autonomous growth control roles of NS3 in Drosophila and demonstrate its GTPase activity using genetic and biochemical assays. Two null alleles of ns3, and RNAi, de...

journal_title：Genetics

authors： Hartl TA,Ni J,Cao J,Suyama KL,Patchett S,Bussiere C,Gui DY,Tang S,Kaplan DD,Fish M,Johnson AW,Scott MP

更新日期：2013-05-01 00:00:00

abstract：:An article from Alan Hinnebusch's laboratory in the March 2013 issue of GENETICS establishes an exciting new link between proteins with well-established roles in the endomembrane system and the process of transcription elongation. This Primer article provides tools needed for students to fully appreciate, analyze, and...

journal_title：Genetics

authors： Duina AA

更新日期：2013-05-01 00:00:00

abstract：:Long-range migrations and the resulting admixtures between populations have been important forces shaping human genetic diversity. Most existing methods for detecting and reconstructing historical admixture events are based on allele frequency divergences or patterns of ancestry segments in chromosomes of admixed indi...

journal_title：Genetics

authors： Loh PR,Lipson M,Patterson N,Moorjani P,Pickrell JK,Reich D,Berger B

更新日期：2013-04-01 00:00:00

abstract：:There is increasing evidence that certain Vacuolar protein sorting (Vps) proteins, factors that mediate vesicular protein trafficking, have additional roles in regulating transcription factors at the endosome. We found that yeast mutants lacking the phosphatidylinositol 3-phosphate [PI(3)P] kinase Vps34 or its associa...

journal_title：Genetics

authors： Gaur NA,Hasek J,Brickner DG,Qiu H,Zhang F,Wong CM,Malcova I,Vasicova P,Brickner JH,Hinnebusch AG

更新日期：2013-03-01 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：:All living organisms require nutrient minerals for growth and have developed mechanisms to acquire, utilize, and store nutrient minerals effectively. In the aqueous cellular environment, these elements exist as charged ions that, together with protons and hydroxide ions, facilitate biochemical reactions and establish ...

journal_title：Genetics

authors： Cyert MS,Philpott CC

更新日期：2013-03-01 00:00:00

abstract：:The genomic prediction of phenotypes and breeding values in animals and plants has developed rapidly into its own research field. Results of genomic prediction studies are often difficult to compare because data simulation varies, real or simulated data are not fully described, and not all relevant results are reporte...

journal_title：Genetics

authors： Daetwyler HD,Calus MP,Pong-Wong R,de Los Campos G,Hickey JM

更新日期：2013-02-01 00:00:00

abstract：:Biofilms are microbial communities that form on surfaces. They are the primary form of microbial growth in nature and can have detrimental impacts on human health. Some strains of the budding yeast Saccharomyces cerevisiae form colony biofilms, and there is substantial variation in colony architecture between biofilm-...

journal_title：Genetics

authors： Granek JA,Murray D,Kayrkçi Ö,Magwene PM

更新日期：2013-02-01 00:00:00

abstract：:Obligate pathogenic and endosymbiotic bacteria typically experience gene loss due to functional redundancy, asexuality, and genetic drift. We hypothesize that reduced genomes increase their functional complexity through protein multitasking, in which many genes adopt new roles to counteract gene loss. Comparisons of i...

journal_title：Genetics

authors： Kelkar YD,Ochman H

更新日期：2013-01-01 00:00:00

abstract：:A large offspring-number diploid biparental multilocus population model of Moran type is our object of study. At each time step, a pair of diploid individuals drawn uniformly at random contributes offspring to the population. The number of offspring can be large relative to the total population size. Similar "heavily ...

journal_title：Genetics

authors： Birkner M,Blath J,Eldon B

更新日期：2013-01-01 00:00:00

abstract：:To investigate the regulation of Drosophila melanogaster behavior by biogenic amines, we have exploited the broad requirement of the vesicular monoamine transporter (VMAT) for the vesicular storage and exocytotic release of all monoamine neurotransmitters. We used the Drosophila VMAT (dVMAT) null mutant to globally ab...

journal_title：Genetics

authors： Chen A,Ng F,Lebestky T,Grygoruk A,Djapri C,Lawal HO,Zaveri HA,Mehanzel F,Najibi R,Seidman G,Murphy NP,Kelly RL,Ackerson LC,Maidment NT,Jackson FR,Krantz DE

更新日期：2013-01-01 00:00:00

abstract：:Adaptive dynamics formalism demonstrates that, in a constant environment, a continuous trait may first converge to a singular point followed by spontaneous transition from a unimodal trait distribution into a bimodal one, which is called "evolutionary branching." Most previous analyses of evolutionary branching have b...

journal_title：Genetics

authors： Wakano JY,Iwasa Y

更新日期：2013-01-01 00:00:00

abstract：:Animal microRNAs (miRNA) are implicated in the control of nearly all cellular functions. Due to high sequence redundancy within the miRNA gene pool, loss of most of these 21- to 24-bp long RNAs individually does not cause a phenotype. Thus, only very few miRNAs have been associated with clear functional roles. We cons...

journal_title：Genetics

authors： Schertel C,Rutishauser T,Förstemann K,Basler K

更新日期：2012-12-01 00:00:00

abstract：:Type II topoisomerases are essential ATP-dependent homodimeric enzymes required for transcription, replication, and chromosome segregation. These proteins alter DNA topology by generating transient enzyme-linked double-strand breaks for passage of one DNA strand through another. The central role of type II topoisomera...

journal_title：Genetics

authors： Hohl AM,Thompson M,Soshnev AA,Wu J,Morris J,Hsieh TS,Wu CT,Geyer PK

更新日期：2012-11-01 00:00:00