Abstract:
:Much of the material taken into cells by endocytosis is rapidly returned to the plasma membrane by the endocytic recycling pathway. Although recycling is vital for the correct localization of cell membrane receptors and lipids, the molecular mechanisms that regulate recycling are only partially understood. Here we show that in Caenorhabditis elegans endocytic recycling is inhibited by NUM-1A, the nematode Numb homolog. NUM-1AGFP fusion protein is localized to the baso-lateral surfaces of many polarized epithelial cells, including the hypodermis and the intestine. We show that increased NUM-1A levels cause morphological defects in these cells similar to those caused by loss-of-function mutations in rme-1, a positive regulator of recycling in both C. elegans and mammals. We describe the isolation of worms lacking num-1A activity and show that, consistent with a model in which NUM-1A negatively regulates recycling in the intestine, loss of num-1A function bypasses the requirement for RME-1. Genetic epistasis analysis with rab-10, which is required at an early part of the recycling pathway, suggests that loss of num-1A function does not affect the uptake of material by endocytosis but rather inhibits baso-lateral recycling downstream of rab-10.
journal_name
Geneticsjournal_title
Geneticsauthors
Nilsson L,Conradt B,Ruaud AF,Chen CC,Hatzold J,Bessereau JL,Grant BD,Tuck Sdoi
10.1534/genetics.108.087247subject
Has Abstractpub_date
2008-05-01 00:00:00pages
375-87issue
1eissn
0016-6731issn
1943-2631pii
179/1/375journal_volume
179pub_type
杂志文章相关文献
GENETICS文献大全abstract::The challenges of breeding autotetraploid potato (Solanum tuberosum) have motivated the development of alternative breeding strategies. A common approach is to obtain uniparental dihaploids from a tetraploid of interest through pollination with S. tuberosum Andigenum Group (formerly S. phureja) cultivars. The mechanis...
journal_title:Genetics
pub_type: 杂志文章
doi:10.1534/genetics.119.302843
更新日期:2020-02-01 00:00:00
abstract::The present report is a study of 60 intragenic suppressors located in the A or E group of the b2 spore-color locus of Ascobolus immersus. The frameshift nature of the suppressors was shown by 19 combinations of plus and minus suppressor mutations. The location of the mutation sites on the genetic map of group A was de...
journal_title:Genetics
pub_type: 杂志文章
doi:
更新日期:1979-08-01 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
pub_type: 杂志文章
doi:
更新日期:1994-11-01 00:00:00
abstract::The genotypes of three color mutants in goldfish: a depigmentation character of larval melanophores, albinism and a recessive-transparent character, were analyzed by crossing experiments. The depigmentation character in the common goldfish is controlled by two dominant multiple genes, Dp1 and Dp2, and only fish with d...
journal_title:Genetics
pub_type: 杂志文章
doi:
更新日期:1977-05-01 00:00:00
abstract::The process designated RIP (repeat-induced point mutation) alters duplicated DNA sequences in the sexual cycle of Neurospora crassa. We tested whether non-Neurospora sequences are susceptible to RIP, explored the basis for the observed immunity to this process of a diverged tandem duplication that probably arose by a ...
journal_title:Genetics
pub_type: 杂志文章
doi:
更新日期:1991-04-01 00:00:00
abstract::The extent to which epistasis contributes to adaptation, population differentiation, and speciation is a long-standing and important problem in evolutionary genetics. Using recombinant inbred (RI) lines of Arabidopsis thaliana grown under natural field conditions, we have examined the genetic architecture of fitness-c...
journal_title:Genetics
pub_type: 杂志文章
doi:10.1534/genetics.105.046078
更新日期:2005-12-01 00:00:00
abstract::The pathogenic life cycle of the rice blast fungus Magnaporthe oryzae involves a series of morphogenetic changes, essential for its ability to cause disease. The smo mutation was identified > 25 years ago, and affects the shape and development of diverse cell types in M. oryzae, including conidia, appressoria, and asc...
journal_title:Genetics
pub_type: 杂志文章
doi:10.1534/genetics.118.301490
更新日期:2019-01-01 00:00:00
abstract::The nonparametric bootstrap approach is known to be suitable for calculating central confidence intervals for the locations of quantitative trait loci (QTL). However, the distribution of the bootstrap QTL position estimates along the chromosome is peaked at the positions of the markers and is not tailed equally. This ...
journal_title:Genetics
pub_type: 杂志文章
doi:
更新日期:2002-04-01 00:00:00
abstract::The possibility that fitness relationships associated with an inversion polymorphism in D. paulistorum were frequency dependent was investigated. Using allozymes of tetrazolium oxidase to mark inversions, the effects of genotype frequency, larval density, and culture conditions on fitness were assessed. The proportion...
journal_title:Genetics
pub_type: 杂志文章
doi:
更新日期:1978-02-01 00:00:00
abstract::Wright's method of estimating the number of genes contributing to the difference in a quantitative character between two populations involves observing the means and variances of the two parental populations and their hybrid populations. Although simple, Wright's method provides seriously biased estimates, largely due...
journal_title:Genetics
pub_type: 杂志文章
doi:
更新日期:1992-08-01 00:00:00
abstract::Repair of double-strand breaks (DSBs) in chromosomal DNA by nonhomologous end-joining (NHEJ) is not well characterized in the yeast Saccharomyces cerevisiae. Here we demonstrate that several genes associated with NHEJ perform essential functions in the repair of endonuclease-induced DSBs in vivo. Galactose-induced exp...
journal_title:Genetics
pub_type: 杂志文章
doi:
更新日期:1999-08-01 00:00:00
abstract::The size of the genome in the opportunistic fungus Candida albicans is 15.6 Mb. Whole-genome shotgun sequencing was carried out at Stanford University where the sequences were assembled into 412 contigs. C. albicans is a diploid basically, and analysis of the sequence is complicated due to repeated sequences and to se...
journal_title:Genetics
pub_type: 杂志文章
doi:10.1534/genetics.104.034652
更新日期:2005-08-01 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
pub_type: 杂志文章
doi:
更新日期:1980-04-01 00:00:00
abstract::At least six nuclear loci are responsible for the genetic control of malate dehydrogenase (L-malate: NAD oxidoreductase; EC 1.1.1.37; MDH) in coleoptiles of maize. Three independently segregating loci (Mdh1, Mdh2, Mdh3) govern the production of MDH isozymes resistant to inactivation by ascorbic acid and found largely ...
journal_title:Genetics
pub_type: 杂志文章
doi:
更新日期:1980-01-01 00:00:00
abstract::Understanding which genes contribute to evolutionary change and the nature of the alterations in them are fundamental challenges in evolution. We analyzed regulatory and enzymatic genes in the maize anthocyanin pathway as related to the evolution of anthocyanin-pigmented kernels in maize from colorless kernels of its ...
journal_title:Genetics
pub_type: 杂志文章
doi:
更新日期:1996-07-01 00:00:00
abstract::Genes expressed in testes are critical to male reproductive success, affecting spermatogenesis, sperm competition, and sperm-egg interaction. Comparing the evolution of testis proteins at different taxonomic levels can reveal which genes and functional classes are targets of natural and sexual selection and whether th...
journal_title:Genetics
pub_type: 杂志文章
doi:10.1534/genetics.107.085902
更新日期:2008-08-01 00:00:00
abstract::Reproducing kernel Hilbert spaces regression procedures for prediction of total genetic value for quantitative traits, which make use of phenotypic and genomic data simultaneously, are discussed from a theoretical perspective. It is argued that a nonparametric treatment may be needed for capturing the multiple and com...
journal_title:Genetics
pub_type: 杂志文章
doi:10.1534/genetics.107.084285
更新日期:2008-04-01 00:00:00
abstract::F1 hybrids between mouse inbred strains PWD and C57BL/6 represent the most thoroughly genetically defined model of hybrid sterility in vertebrates. Hybrid male sterility can be fully reconstituted from three components of this model, the Prdm9 gene, intersubspecific homeology of Mus musculus musculus and Mus musculus ...
journal_title:Genetics
pub_type: 杂志文章
doi:10.1534/genetics.119.302554
更新日期:2019-11-01 00:00:00
abstract::We identified and characterized 14 extragenic mutations that suppressed the dominant egg-laying defect of certain lin-12 gain-of-function mutations. These suppressors defined seven genes: sup-17, lag-2, sel-4, sel-5, sel-6, sel-7 and sel-8. Mutations in six of the genes are recessive suppressors, whereas the two mutat...
journal_title:Genetics
pub_type: 杂志文章
doi:
更新日期:1997-12-01 00:00:00
abstract::We have analyzed donor and target sites of the mobile element Activator (Ac) that are altered as a result of somatic transposition from the P locus in maize. Previous genetic analysis has indicated that the two mitotic daughter lineages which result from Ac transposition from P differ in their Ac constitution at the P...
journal_title:Genetics
pub_type: 杂志文章
doi:
更新日期:1987-09-01 00:00:00
abstract::We have cloned and disrupted in vivo, by repeat-induced point mutations, the nuclear gene coding for an iron sulfur subunit of complex I from Neurospora crassa, homologue of the mammalian TYKY protein. Analysis of the obtained mutant nuo21.3c revealed that complex I fails to assemble. The peripheral arm of the enzyme ...
journal_title:Genetics
pub_type: 杂志文章
doi:
更新日期:2000-10-01 00:00:00
abstract::We have isolated 15 spontaneous mutants resistant to one or several antibiotics like chloramphenicol, erythromycin and spiramycin. We have shown by several criteria that all of them result from mutations localized in the mitochondrial DNA. The mutations have been mapped by allelism tests and by two- and three-factor c...
journal_title:Genetics
pub_type: 杂志文章
doi:
更新日期:1974-12-01 00:00:00
abstract::The idea of trait-based linkage analysis in half-sibs is extended by comparing the frequency of parental marker haplotypes in animals with different phenotypes. This article first presents the likelihood of observing different classes of paternal haplotypes in a half-sib family, where only family members of a certain ...
journal_title:Genetics
pub_type: 杂志文章
doi:
更新日期:2002-09-01 00:00:00
abstract::In the genome of Drosophila melanogaster there is a single locus, Triplo-lethal (Tpl), that causes lethality when present in either one or three copies in an otherwise diploid animal. Previous attempts to mutagenize Tpl produced alleles that were viable over a chromosome bearing a duplication of Tpl, but were not leth...
journal_title:Genetics
pub_type: 杂志文章
doi:
更新日期:1995-11-01 00:00:00
abstract::The Drosophila oocyte develops from a cluster of 16 interconnected cells that derive from a common progenitor. One of these cells, the oocyte, arrests in meiosis. The other cells endoreplicate their DNA and produce mRNAs and proteins that they traffic to the oocyte along a polarized microtubule cytoskeleton shared by ...
journal_title:Genetics
pub_type: 杂志文章
doi:
更新日期:2003-08-01 00:00:00
abstract::Mutations in ilvO, the operator site for operon A of the ilv region of E. coli K-12, are reported to cause a cis dominant derepression of the operon A gene products and to map between ilvC and ilvA. Studies reported here demonstrate that the F25 episome which does not carry the region between ilvC and ilvA but only il...
journal_title:Genetics
pub_type: 杂志文章
doi:
更新日期:1976-06-01 00:00:00
abstract::In eucaryotes a cell cycle control called a checkpoint ensures that mitosis occurs only after chromosomes are completely replicated and any damage is repaired. The function of this checkpoint in budding yeast requires the RAD9 gene. Here we examine the role of the RAD9 gene in the arrest of the 12 cell division cycle ...
journal_title:Genetics
pub_type: 杂志文章
doi:
更新日期:1993-05-01 00:00:00
abstract::To identify novel genomic regions that regulate sex determination, we utilized the powerful C57BL/6J-Y(POS) (B6-Y(POS)) model of XY sex reversal where mice with autosomes from the B6 strain and a Y chromosome from a wild-derived strain, Mus domesticus poschiavinus (Y(POS)), show complete sex reversal. In B6-Y(POS), th...
journal_title:Genetics
pub_type: 杂志文章
doi:10.1534/genetics.113.160259
更新日期:2014-07-01 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
pub_type: 杂志文章
doi:
更新日期:2001-06-01 00:00:00
abstract::Mutants of Salmonella typhimurium lacking DNA adenine methylase were isolated; they include insertion and deletion alleles. The dam locus maps at 75 min between cysG and aroB, similar to the Escherichia coli dam gene. Dam- mutants of S. typhimurium resemble those of E coli in the following phenotypes: (1) increased sp...
journal_title:Genetics
pub_type: 杂志文章
doi:
更新日期:1996-09-01 00:00:00