Mating types of Agrocybe aegerita.

abstract：:The recovery of spontaneous canavanine-resistant mutants is reduced dramatically in a strain of Saccharomyces cerevisiae that carries a suppressed can 1-100 allele and is permeable to and auxotrophic for thymidylate. This effect does not occur in an isogenic strain that neither takes up nor requires the nucleotide. Ho...

journal_title：Current genetics

authors： Kohalmi SE,Kunz BA

更新日期：1989-02-01 00:00:00

abstract：:Somatic fusion between cells of Chlamydomonas containing complementing cell wall and auxotrophic mutations and bearing chloroplast markers for resistance to antibiotics (streptomycin or spectinomycin) have been performed to analyze the mode of chloroplast gene transmission in the fusion products. Prototrophic colonies...

journal_title：Current genetics

authors： Matagne RF

更新日期：1981-04-01 00:00:00

abstract：:DNA replication checkpoint is a cell signaling pathway that is activated in response to perturbed replication. Although it is crucial for maintaining genomic integrity and cell survival, the exact mechanism of the checkpoint signaling remains to be understood. Emerging evidence has shown that RecQ helicases, a large f...

journal_title：Current genetics

authors： Ahamad N,Khan S,Mahdi ATA,Xu YJ

更新日期：2021-01-11 00:00:00

abstract：:We have constructed a gene coding for the 12-kDa intermediate form of the 2s methionine-rich protein from Bertholletia excelsa seeds. This protein, expressed intracellularly in yeast, is characterised by a 20-min half-life. By adding 11 amino acids corresponding to the peroxisome-targeting sequence (PTSc) of luciferas...

journal_title：Current genetics

authors： Nicaud JM,Raynal A,Beyou A,Merkamm M,Ito H,Labat N

更新日期：1994-11-01 00:00:00

abstract：:The sequence of a representative mitochondrial gene COXI, encoding cytochrome c oxidase subunit I, was determined in five species that cover all the orders of the Prymnesiophyta with the exception of the Pavlovales. Through this analysis, we noticed that the 'stop' codon UGA appears frequently and, specifically, at co...

journal_title：Current genetics

authors： Hayashi-Ishimaru Y,Ehara M,Inagaki Y,Ohama T

更新日期：1997-10-01 00:00:00

abstract：:In fungi, sexual reproduction primarily depends on the interaction between peptide pheromones and their receptors. Most ascomycete fungi produce two classes of peptide mating pheromones, a simple peptide and a modified peptide. These peptides are recognized by their corresponding receptors on the surface of cells of t...

journal_title：Current genetics

authors： Seike T

更新日期：2019-10-01 00:00:00

abstract：:Chemoreceptor-based signaling is a major bacterial signal transduction mechanism. Escherichia coli, the traditional model, has five chemoreceptors. Recent genome analyses have shown that many bacteria have a much higher number of chemoreceptors. Pseudomonas putida KT2440 is an alternative model that has 27 chemorecept...

journal_title：Current genetics

authors： López-Farfán D,Reyes-Darias JA,Krell T

更新日期：2017-06-01 00:00:00

abstract：:The mammalian HBP2 gene has been isolated by functional complementation of cells unable to undergo DNA replication in fission yeast. HBP2 is a protein with a high mobility group (HMG) domain that belongs to the Sox (Sry-related HMG box) family of transcription factors. As in other members of the family, the HMG box in...

journal_title：Current genetics

authors： Sánchez-Díaz A,Blanco MA,Jones N,Moreno S

更新日期：2001-09-01 00:00:00

abstract：:The wild diastatic yeast Saccharomyces cerevisiae NCYC 625 has been shown to be homozygous for the glucoamylase-specifying gene STA2. spoII-1-mapping has positioned STA2 on chromosome II. Expression of STA2 is suppressed in some but not all diploids capable of sporulation, and is also inhibited by unlinked nuclear sup...

journal_title：Current genetics

authors： Patel D,Evans IH,Bevan EA

更新日期：1990-04-01 00:00:00

abstract：:ERG24 is the structural gene for the C14-sterol reductase in yeast. A lack of activity in that enzyme, mediated either by the morpholine fungicides or the insertional inactivation of ERG24, causes the accumulation of the aberrant sterol ignosterol. Cells producing this sterol are unable to grow aerobically in the rout...

journal_title：Current genetics

authors： Crowley JH,Tove S,Parks LW

更新日期：1998-08-01 00:00:00

abstract：:The REC1 gene of U. maydis has an important but ill-defined role in DNA recombination and repair. We have examined its role in plasmid-chromosome recombination. Plasmid DNA was linearized at various locations with respect to the cloned U. maydis PYR3 gene and introduced into cells by transformation. Chromosomal integr...

journal_title：Current genetics

authors： Banks GR,Kanuga N,Ealing J,Spanos A,Holden DW

更新日期：1992-12-01 00:00:00

abstract：:Fourteen nuclear complementation groups of mutants that specifically affect the three mitochondrially-encoded subunits of yeast cytochrome c oxidase have been characterized. Genes represented by these complementation groups are not required for mitochondrial transcription, transcript processing, or translation per se ...

journal_title：Current genetics

authors： Kloeckener-Gruissem B,McEwen JE,Poyton RO

更新日期：1987-01-01 00:00:00

abstract：:nam3 and R705, yeast nuclear omnipotent suppressors of mitochondrial mit- mutations, reverse the superimposed spectrum of trans-recessive splicing defects by affecting the protein composition of the small mitoribosomal subunit. Analysis of the suppressor's interaction suggests that suppression results from mutations i...

journal_title：Current genetics

authors： Boguta M,Mieszczak M,Zagórski W

更新日期：1988-02-01 00:00:00

abstract：:The single-copy nuclear gene (GapA), encoding the plastid-localized glyceraldehyde-3-phosphate dehydrogenase (GAPDH) of the marine red alga Gracilaria verrucosa, has been cloned and sequenced. The GapA transcriptional initiation site was located 49 bp upstream of the start codon, and a putative TATA box was found 54 b...

journal_title：Current genetics

authors： Zhou YH,Ragan MA

更新日期：1994-07-01 00:00:00

abstract：:In eukaryotes, the ubiquitin-like (UBL) protein-activating enzymes play a crucial role in autophagy process, however, it is poorly characterized in filamentous fungi. Here, we investigated the functions of two UBL activating enzymes, BcAtg3 (E2) and BcAtg7 (E1) in the plant pathogenic fungus Botrytis cinerea. The phys...

journal_title：Current genetics

authors： Ren W,Sang C,Shi D,Song X,Zhou M,Chen C

更新日期：2018-08-01 00:00:00

abstract：:By using the fluorochrome 4'-6-diamidino-2-phenylindole (DAPI) to stain DNA one can follow the pattern of events affecting plastid DNA which occur in the formation and maturation of individual zygotes of the green flagellate Chlamydomonas moewusii. This species, like C. reinhardi, expresses uniparental inheritance of ...

journal_title：Current genetics

authors： Coleman AW,Maguire MJ

更新日期：1983-06-01 00:00:00

abstract：:The var1 locus on yeast mitochondria) DNA is defined by a set of alleles that affect the apparent size (Mr 40,000-44,000) of a mitochondria) translation product (var1), a protein of the mitochondria) 38S ribosomal subunit. Using petite deletion and restriction endonuclease site mapping, we have defined the physical lo...

journal_title：Current genetics

authors： Vincent RD,Perlman PS,Strausberg RL,Butow RA

更新日期：1980-07-01 00:00:00

abstract：:Broad bean (Vicia faba) mitochondrial DNA (mtDNA) includes three circular plasmids: mt-plasmid 1 (1,704 ntp), mt-plasmid 2 (1,695 ntp) and mt-plasmid 3 (1,476 ntp). Partially replicated circular forms of these mt-plasmids have been observed in electron microscope preparations. Restriction enzymes that cleave either mt...

journal_title：Current genetics

authors： Wahleithner JA,Wolstenholme DR

更新日期：1988-08-01 00:00:00

abstract：:The steady-state transcript levels for psbA, psbD, psaA and rbcL are low in dark-grown rice seedlings as compared to those grown in light. Following seed germination, they accumulate in an age-dependent manner, in dark as well as light, reaching a maximal level on the 7th or 8th day, before a slow decline sets in. But...

journal_title：Current genetics

authors： Kapoor S,Maheshwari SC,Tyagi AK

更新日期：1994-04-01 00:00:00

abstract：:The cDNA coding for the endoglucanase EGII of P. janthinellum was cloned and sequenced. The open reading frame comprises 1230 nucleotides and the deduced amino-acid sequence shows an overall homology of 63% with the T. reesei egl2. The cellulose-binding domain of EGII represents a typical member of the A family of cel...

journal_title：Current genetics

authors： Mernitz G,Koch A,Henrissat B,Schulz G

更新日期：1996-04-01 00:00:00

abstract：:The occupancy of nucleosomes governs access to the eukaryotic genomes and results from a combination of biophysical features and the effect of ATP-dependent remodelling complexes. Most promoter regions show a conserved pattern characterized by a nucleosome-depleted region (NDR) flanked by nucleosomal arrays. The conse...

journal_title：Current genetics

authors： Yague-Sanz C,Vázquez E,Sánchez M,Antequera F,Hermand D

更新日期：2017-05-01 00:00:00

abstract：:A main function of ectomycorrhizas, a symbiosis between certain soil fungi and fine roots of woody plants, is the exchange of plant-derived carbohydrates for fungus-derived nutrients. As it is required in large amounts, nitrogen is of special interest. A gene (AmAMT2) coding for a putative fungal ammonium importer was...

journal_title：Current genetics

authors： Willmann A,Weiss M,Nehls U

更新日期：2007-02-01 00:00:00

abstract：:Cohesin is one of three multi-protein structural maintenance of chromosome (SMC) complexes that regulate eukaryotic chromosome dynamics. It forms a ring-shaped structure that embraces sister chromatids through interphase to promote their pairing. In preparation for mitosis, most cohesin is stripped from the chromosome...

journal_title：Current genetics

authors： Lin SJ,O'Connell MJ

更新日期：2017-10-01 00:00:00

abstract：:Chitin is a component of the yeast cell wall which is localized to the septum between mother and daughter cells. Previous work in Saccharomyces cerevisiae has shown that this organism possesses three chitin synthases, 1, 2, and 3. Disruption experiments have shown that loss of chitin synthase 2 has a more profound eff...

journal_title：Current genetics

authors： Baymiller J,McCullough JE

更新日期：1993-02-01 00:00:00

abstract：:The mating-type ( MAT) genes from Rhynchosporium secalis were isolated using PCR-based methods. Characterisation of the MAT idiomorphs suggests that R. secalis is closely related to the discomycetes Pyrenopeziza brassicae and Tapesia yallundae in terms of sequence and MAT locus gene composition. The MAT1-2 idiomorph c...

journal_title：Current genetics

authors： Foster SJ,Fitt BD

更新日期：2003-12-01 00:00:00

abstract：:Although 29 tRNA genes have been deduced from the complete nucleotide sequence of the mitochondrial genome from the liverwort Marchantia polymorpha, a tRNAIle gene decoding AUU and AUC codons is conspicuously absent. In order to address the question of the possible involvement of nuclear-encoded tRNA, we isolated and ...

journal_title：Current genetics

authors： Akashi K,Sakurai K,Hirayama J,Fukuzawa H,Ohyama K

更新日期：1996-07-31 00:00:00

abstract：:Genetic analysis of carotenogenesis in Phycomyces is hampered by the inability of most mutants to complete the sexual cycle. Heterokaryons between complementing mutants or between a mutant and a helper strain are, however, fertile. Using this method crosses have been carried out between mutants representing the differ...

journal_title：Current genetics

authors： Roncero MI,Cerdá-Olmedo E

更新日期：1982-05-01 00:00:00

abstract：:The sequence heterogeneity of the ribosomal internal transcribed spacer (ITS) region was investigated for Rhizoctonia cerealis isolates from the anastomosis group AG-DI. Although sequence variability of the ITS has been reported in a few multinucleate R. solani isolates, it has very rarely been reported in binucleate ...

journal_title：Current genetics

authors： Li W,Sun H,Deng Y,Zhang A,Chen H

更新日期：2014-02-01 00:00:00

abstract：:Cochliobolus heterostrophus has alternate genes (MAT-1 and MAT-2) at its mating-type locus. Transformants of a MAT-1 or a MAT-2 strain carrying a transgene of opposite mating type can self and are dual maters; the transgene, however, promotes development of pseudothecia only, not ascospores. To determine if the reside...

journal_title：Current genetics

authors： Wirsel S,Turgeon BG,Yoder OC

更新日期：1996-02-01 00:00:00

abstract：:In Volvox carteri, regA acts as a master gene to suppress all germ cell functions in somatic cells. Its product, RegA, has features of a transcriptional repressor. Here we report cDNA sequences representing 15 nuclear genes with properties expected of RegA targets: they are expressed strongly in germ cells and in regA...

journal_title：Current genetics

authors： Meissner M,Stark K,Cresnar B,Kirk DL,Schmitt R

更新日期：1999-12-01 00:00:00