abstract：:The nuclear envelope in Saccharomyces cerevisiae harbors two essential macromolecular protein assemblies: the nuclear pore complexes (NPCs) that enable nucleocytoplasmic transport, and the spindle pole bodies (SPBs) that mediate chromosome segregation. Previously, based on metazoan and budding yeast studies, we report...

journal_title：Genetics

authors： Casey AK,Dawson TR,Chen J,Friederichs JM,Jaspersen SL,Wente SR

更新日期：2012-10-01 00:00:00

abstract：:The N-terminal tail of Ndc80 is essential for kinetochore-microtubule binding in human cells but is not required for viability in yeast. We show that the yeast Ndc80 tail is required for timely mitotic progression and accurate chromosome segregation. The tail is essential when cells are limited for Dam1, demonstrating...

journal_title：Genetics

authors： Demirel PB,Keyes BE,Chaterjee M,Remington CE,Burke DJ

更新日期：2012-10-01 00:00:00

abstract：:Kinesin-1 is a motor protein that moves stepwise along microtubules by employing dimerized kinesin heavy chain (Khc) subunits that alternate cycles of microtubule binding, conformational change, and ATP hydrolysis. Mutations in the Drosophila Khc gene are known to cause distal paralysis and lethality preceded by the o...

journal_title：Genetics

authors： Djagaeva I,Rose DJ,Lim A,Venter CE,Brendza KM,Moua P,Saxton WM

更新日期：2012-09-01 00:00:00

abstract：:The Caenorhabditis elegans pRb ortholog, LIN-35, functions in a wide range of cellular and developmental processes. This includes a role of LIN-35 in nutrient utilization by the intestine, which it carries out redundantly with SLR-2, a zinc-finger protein. This and other redundant functions of LIN-35 were identified i...

journal_title：Genetics

authors： Polley SR,Fay DS

更新日期：2012-08-01 00:00:00

abstract：:Hybrid sterility in the heterogametic sex is a common feature of speciation in animals. In house mice, the contribution of the Mus musculus musculus X chromosome to hybrid male sterility is large. It is not known, however, whether F1 male sterility is caused by X-Y or X-autosome incompatibilities or a combination of b...

journal_title：Genetics

authors： Campbell P,Good JM,Dean MD,Tucker PK,Nachman MW

更新日期：2012-08-01 00:00:00

abstract：:In vertebrates, mitotic and meiotic M phase is facilitated by the kinase Greatwall (Gwl), which phosphorylates a conserved sequence in the effector Endosulfine (Endos). Phosphorylated Endos inactivates the phosphatase PP2A/B55 to stabilize M-phase-specific phosphorylations added to many proteins by cyclin-dependent ki...

journal_title：Genetics

authors： Kim MY,Bucciarelli E,Morton DG,Williams BC,Blake-Hodek K,Pellacani C,Von Stetina JR,Hu X,Somma MP,Drummond-Barbosa D,Goldberg ML

更新日期：2012-08-01 00:00:00

abstract：:Notch is a receptor that mediates cell-cell interactions in animal development, and aberrations in Notch signal transduction can cause cancer and other human diseases. Here, I describe the major advances in the Notch field from the identification of the first mutant in Drosophila almost a century ago through the eluci...

journal_title：Genetics

authors： Greenwald I

更新日期：2012-07-01 00:00:00

abstract：:Immunosenescence, the age-related decline in immune system function, is a general hallmark of aging. While much is known about the cellular and physiological changes that accompany immunosenescence, we know little about the genetic influences on this phenomenon. In this study we combined age-specific measurements of b...

journal_title：Genetics

authors： Felix TM,Hughes KA,Stone EA,Drnevich JM,Leips J

更新日期：2012-07-01 00:00:00

abstract：:Although neurons are highly polarized, how neuronal polarity is generated remains poorly understood. An evolutionarily conserved inositol-producing enzyme myo-inositol monophosphatase (IMPase) is essential for polarized localization of synaptic molecules in Caenorhabditis elegans and can be inhibited by lithium, a dru...

journal_title：Genetics

authors： Kimata T,Tanizawa Y,Can Y,Ikeda S,Kuhara A,Mori I

更新日期：2012-06-01 00:00:00

abstract：:The Podospora anserina PaMpk1 MAP kinase (MAPK) signaling pathway can generate a cytoplasmic and infectious element resembling prions. When present in the cells, this C element causes the crippled growth (CG) cell degeneration. CG results from the inappropriate autocatalytic activation of the PaMpk1 MAPK pathway durin...

journal_title：Genetics

authors： Lalucque H,Malagnac F,Brun S,Kicka S,Silar P

更新日期：2012-06-01 00:00:00

abstract：:The effective population size (N(e)) is notoriously difficult to accurately estimate in wild populations as it is influenced by a number of parameters that are difficult to delineate in natural systems. The different methods that are used to estimate N(e) are affected variously by different processes at the population...

journal_title：Genetics

authors： Serbezov D,Jorde PE,Bernatchez L,Olsen EM,Vøllestad LA

更新日期：2012-06-01 00:00:00

abstract：:The segregation and random assortment of characters observed by Mendel have their basis in the behavior of chromosomes in meiosis. But showing this actually to be the case requires a correct understanding of the meiotic behavior of chromosomes. This was achieved only gradually, over several decades, with much dispute ...

journal_title：Genetics

authors： Koszul R,Meselson M,Van Doninck K,Vandenhaute J,Zickler D

更新日期：2012-06-01 00:00:00

abstract：:Selective sweeps are typically associated with a local reduction of genetic diversity around the adaptive site. However, selective sweeps can also quickly carry neutral mutations to observable population frequencies if they arise early in a sweep and hitchhike with the adaptive allele. We show that the interplay betwe...

journal_title：Genetics

authors： Messer PW,Neher RA

更新日期：2012-06-01 00:00:00

abstract：:Transmission ratio distortion (TRD) is the departure from the expected genotypic frequencies under Mendelian inheritance. This departure can be due to multiple physiological mechanisms during gametogenesis, fertilization, fetal and embryonic development, and early neonatal life. Although a few TRD loci have been repor...

journal_title：Genetics

authors： Casellas J,Gularte RJ,Farber CR,Varona L,Mehrabian M,Schadt EE,Lusis AJ,Attie AD,Yandell BS,Medrano JF

更新日期：2012-05-01 00:00:00

abstract：:In Saccharomyces cerevisiae, 59 of the 78 ribosomal proteins are encoded by duplicated genes that, in most cases, encode identical or very similar protein products. However, different sets of ribosomal protein genes have been identified in screens for various phenotypes, including life span, budding pattern, and drug ...

journal_title：Genetics

authors： Steffen KK,McCormick MA,Pham KM,MacKay VL,Delaney JR,Murakami CJ,Kaeberlein M,Kennedy BK

更新日期：2012-05-01 00:00:00

abstract：:In both pedigree linkage studies and in population-based association studies there has been much interest in the use of modern dense genetic marker data to infer segments of gene identity by descent (ibd) among individuals not known to be related, to increase power and resolution in localizing genes affecting complex ...

journal_title：Genetics

authors： Brown MD,Glazner CG,Zheng C,Thompson EA

更新日期：2012-04-01 00:00:00

abstract：:Neurons and glia display remarkable morphological plasticity, and remodeling of glia may facilitate neuronal shape changes. The molecular basis and control of glial shape changes is not well understood. In response to environmental stress, the nematode Caenorhabditis elegans enters an alternative developmental state, ...

journal_title：Genetics

authors： Procko C,Lu Y,Shaham S

更新日期：2012-04-01 00:00:00

abstract：:In diploid eukaryotes, repair of double-stranded DNA breaks by homologous recombination often leads to loss of heterozygosity (LOH). Most previous studies of mitotic recombination in Saccharomyces cerevisiae have focused on a single chromosome or a single region of one chromosome at which LOH events can be selected. I...

journal_title：Genetics

authors： St Charles J,Hazkani-Covo E,Yin Y,Andersen SL,Dietrich FS,Greenwell PW,Malc E,Mieczkowski P,Petes TD

更新日期：2012-04-01 00:00:00

abstract：:Notch signaling pathways can be regulated through a variety of cellular mechanisms, and genetically compromised systems provide useful platforms from which to search for the responsible modulators. The Caenorhabditis elegans gene aph-1 encodes a component of γ-secretase, which is essential for Notch signaling events t...

journal_title：Genetics

authors： Hale VA,Guiney EL,Goldberg LY,Haduong JH,Kwartler CS,Scangos KW,Goutte C

更新日期：2012-03-01 00:00:00

abstract：:Variations in K(+) channel composition allow for differences in cell excitability and, at an organismal level, provide flexibility to behavioral regulation. When the function of a K(+) channel is disrupted, the remaining K(+) channels might incompletely compensate, manifesting as abnormal organismal behavior. In this ...

journal_title：Genetics

authors： LeBoeuf B,Garcia LR

更新日期：2012-03-01 00:00:00

abstract：:Mitochondrial DNA (mtDNA) deletions are associated with sporadic and inherited diseases and age-associated neurodegenerative disorders. Approximately 85% of mtDNA deletions identified in humans are flanked by short directly repeated sequences; however, mechanisms by which these deletions arise are unknown. A limitatio...

journal_title：Genetics

authors： Kalifa L,Quintana DF,Schiraldi LK,Phadnis N,Coles GL,Sia RA,Sia EA

更新日期：2012-03-01 00:00:00

abstract：:Bacteriophages are the most abundant biological entities in our biosphere, characterized by their hyperplasticity, mosaic composition, and the many unknown functions (ORFans) encoded by their immense genetic repertoire. These genes are potentially maintained by the bacteriophage to allow efficient propagation on hosts...

journal_title：Genetics

authors： Ang D,Georgopoulos C

更新日期：2012-03-01 00:00:00

abstract：:Specialized insect mouthparts, such as those of Drosophila, are derived from an ancestral mandibulate state, but little is known about the developmental genetics of mandibulate mouthparts. Here, we study the metamorphic patterning of mandibulate mouthparts of the beetle Tribolium castaneum, using RNA interference to d...

journal_title：Genetics

authors： Angelini DR,Smith FW,Aspiras AC,Kikuchi M,Jockusch EL

更新日期：2012-02-01 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：:We use the ancestral influence graph (AIG) for a two-locus, two-allele selection model in the limit of a large population size to obtain an analytic approximation for the probability of ultimate fixation of a single mutant allele A. We assume that this new mutant is introduced at a given locus into a finite population...

journal_title：Genetics

authors： Lessard S,Kermany AR

更新日期：2012-02-01 00:00:00

abstract：:The classic diallel takes a set of parents and produces offspring from all possible mating pairs. Phenotype values among the offspring can then be related back to their respective parentage. When the parents are diploid, sexed, and inbred, the diallel can characterize aggregate effects of genetic background on a pheno...

journal_title：Genetics

authors： Lenarcic AB,Svenson KL,Churchill GA,Valdar W

更新日期：2012-02-01 00:00:00

abstract：:The rate of microsatellite mutation is dependent upon both the allele length and the repeat motif, but the exact nature of this relationship is still unknown. We analyzed data on the inheritance of human Y-chromosomal microsatellites in father-son duos, taken from 24 published reports and comprising 15,285 directly ob...

journal_title：Genetics

authors： Jochens A,Caliebe A,Rösler U,Krawczak M

更新日期：2011-12-01 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

abstract：:We have used a novel method to activate the DNA damage S-phase checkpoint response in Saccharomyces cerevisiae to slow lagging-strand DNA replication by exposing cells expressing a drug-sensitive DNA polymerase δ (L612M-DNA pol δ) to the inhibitory drug phosphonoacetic acid (PAA). PAA-treated pol3-L612M cells arrest a...

journal_title：Genetics

authors： Reha-Krantz LJ,Siddique MS,Murphy K,Tam A,O'Carroll M,Lou S,Schultz A,Boone C

更新日期：2011-12-01 00:00:00

abstract：:Hotspots regulate the position and frequency of Spo11 (Rec12)-initiated meiotic recombination, but paradoxically they are suicidal and are somehow resurrected elsewhere in the genome. After the DNA sequence-dependent activation of hotspots was discovered in fission yeast, nearly two decades elapsed before the key real...

journal_title：Genetics

authors： Wahls WP,Davidson MK

更新日期：2011-11-01 00:00:00

abstract：:Regulation of transcription can be a complex process in which many cis- and trans-interactions determine the final pattern of expression. Among these interactions are trans-interactions mediated by the pairing of homologous chromosomes. These trans-effects are wide ranging, affecting gene regulation in many species an...

journal_title：Genetics

authors： Lum TE,Merritt TJ

更新日期：2011-11-01 00:00:00

abstract：:Gene expression in Anopheles gambiae shows a deficiency of testis-expressed genes on the X chromosome associated with an excessive movement of retrogene duplication. We suggest that the degeneration of sex chromosomes in this monandrous species is likely the result of pressures from X inactivation, dosage compensation...

journal_title：Genetics

authors： Baker DA,Russell S

更新日期：2011-11-01 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：:Metazoan genomes encode an abundant collection of mRNA-like, long noncoding (lnc)RNAs. Although lncRNAs greatly expand the transcriptional repertoire, we have a limited understanding of how these RNAs contribute to developmental regulation. Here, we investigate the function of the Drosophila lncRNA called yellow-achae...

journal_title：Genetics

authors： Soshnev AA,Ishimoto H,McAllister BF,Li X,Wehling MD,Kitamoto T,Geyer PK

更新日期：2011-10-01 00:00:00

abstract：:Thyroid hormone has pleiotropic effects on cochlear development, and genomic variation influences the severity of associated hearing deficits. DW/J-Pou1f1dw/dw mutant mice lack pituitary thyrotropin, which causes severe thyroid hormone deficiency and profound hearing impairment. To assess the genetic complexity of pro...

journal_title：Genetics

authors： Fang Q,Longo-Guess C,Gagnon LH,Mortensen AH,Dolan DF,Camper SA,Johnson KR

更新日期：2011-10-01 00:00:00

abstract：:The external genitalia are some of the most rapidly evolving morphological structures in insects. The posterior lobe of the male genital arch shows striking differences in both size and shape among closely related species of the Drosophila melanogaster species subgroup. Here, we dissect the genetic basis of posterior ...

journal_title：Genetics

authors： Masly JP,Dalton JE,Srivastava S,Chen L,Arbeitman MN

更新日期：2011-09-01 00:00:00

abstract：:Inbreeding depression, which refers to reduced fitness among offspring of related parents, has traditionally been studied using pedigrees. In practice, pedigree information is difficult to obtain, potentially unreliable, and rarely assessed for inbreeding arising from common ancestors who lived more than a few generat...

journal_title：Genetics

authors： Keller MC,Visscher PM,Goddard ME

更新日期：2011-09-01 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：:Genomic resources for hundreds of species of evolutionary, agricultural, economic, and medical importance are unavailable due to the expense of well-assembled genome sequences and difficulties with multigenerational studies. Teleost fish provide many models for human disease but possess anciently duplicated genomes th...

journal_title：Genetics

authors： Amores A,Catchen J,Ferrara A,Fontenot Q,Postlethwait JH

更新日期：2011-08-01 00:00:00

abstract：:The fixation probability is determined when population size and selection change over time and differs from Kimura's result, with long-term implications for a population. It is found that changes in population size are not equivalent to the corresponding changes in selection and can result in less drift than anticipat...

journal_title：Genetics

authors： Waxman D

更新日期：2011-08-01 00:00:00