Alkylation mutagenesis in Saccharomyces cerevisiae: lack of evidence for an adaptive response.

abstract：:Genetic and molecular analyses of the phenomenon of senescence-i.e., irreversible loss of growth and reproductive potential upon subculturing-in Neurospora intermedia strain M1991-60A, collected from Maddur in southern India, showed the presence of plasmid pMaddur1, which is homologous to the senescence-inducing circu...

journal_title：Current genetics

authors： D'Souza AD,Sultana S,Maheshwari R

更新日期：2005-03-01 00:00:00

abstract：:A screening procedure for cell cycle mutants among is mutants of Physarum has been developed for unsynchronized microplasmodia. The synchronization of the microplasmodia and the ratio of pre- to post-mitotic nuclei were evaluated after a transient shift-up to the non-permissive temperature. In contrast with wild type ...

journal_title：Current genetics

authors： Wright M,Del Castillo L,Oustrin ML

更新日期：1980-04-01 00:00:00

abstract：:A double-stranded (ds)RNA, designated as M2, is associated with hypovirulence, conversion of the quinic acid pathway from inducible to constitutive and downregulation of the shikimic acid pathway in the Rhizoctonia solani culture Rhs 1A1. In this study, we report that in the virulent, M2-lacking isolate Rhs 1AP, which...

journal_title：Current genetics

authors： Liu C,Lakshman DK,Tavantzis SM

更新日期：2003-05-01 00:00:00

abstract：:Efficient mating-type (MT) switching in homothallic strains of Schizosaccharomyces pombe is significantly reduced if they have a mutation in any of the eleven known swi genes. The swi4 mutation causes heterothallic as well as homothallic segregants, both of which have duplications in the MT region. In contrast to homo...

journal_title：Current genetics

authors： Fleck O,Heim L,Gutz H

更新日期：1990-12-01 00:00:00

abstract：:Replication-coupled (RC) nucleosome assembly is an essential process in eukaryotic cells to maintain chromatin structure during DNA replication. The deposition of newly-synthesized H3/H4 histones during DNA replication is facilitated by specialized histone chaperones. CAF-1 is an important histone chaperone complex an...

journal_title：Current genetics

authors： Tsirkas I,Dovrat D,Lei Y,Kalyva A,Lotysh D,Li Q,Aharoni A

更新日期：2020-10-06 00:00:00

abstract：:The core enzyme of mitochondrial RNA polymerase in yeast is homologous to those of bacteriophages T3, T7 and SP6. In previous studies the identification of the first conditional yeast mutant for this enzyme helped to identify the corresponding specificity factor and to elucidate their interaction inside mitochondria. ...

journal_title：Current genetics

authors： Lisowsky T,Stein T,Michaelis G,Guan MX,Chen XJ,Clark-Walker GD

更新日期：1996-11-01 00:00:00

abstract：:Ime1 plays a pivotal role in the initiation of meiosis in a/alpha diploid cells of Saccharomyces cerevisiae. In the absence of glucose and nitrogen, IME1 expression is greater in a/alpha cells than in either a or alpha cells and therefore only a/alpha, but not a/a or alpha/alpha, cells are committed to sporulation. It...

journal_title：Current genetics

authors： Mizuno T,Nakazawa N,Remgsamrarn P,Kunoh T,Oshima Y,Harashima S

更新日期：1998-04-01 00:00:00

abstract：:Saccharomyces cerevisiae adapts to oxidative, osmotic stress and nutrient deprivation through transcriptional changes, decreased proliferation, and entry into other developmental pathways such as pseudohyphal formation and sporulation. Inositol pyrophosphates are necessary for these cellular responses. Inositol pyroph...

journal_title：Current genetics

authors： Morrissette VA,Rolfes RJ

更新日期：2020-10-01 00:00:00

abstract：:Cohesin is essential for sister chromatid cohesion, which ensures equal segregation of the chromatids to daughter cells. However, the molecular mechanism by which cohesin mediates this function is elusive. Scc3, one of the four core subunits of cohesin, is vital to cohesin activity. However, the mechanism by which Scc...

journal_title：Current genetics

authors： Pathania A,Liu W,Matityahu A,Irudayaraj J,Onn I

更新日期：2021-01-06 00:00:00

abstract：:Mitochondrial genes coding for some components of the protein synthetic apparatus in S. douglasii have been studies in detail. A region containing stretches of high homology to the S. cerevisiae tRNA synthesis locus (TSL) and the tRNA(fmet) gene has been identified and sequenced. The organization of this region was ve...

journal_title：Current genetics

authors： Ragnini A,Grisanti P,Rinaldi T,Frontali L,Palleschi C

更新日期：1991-03-01 00:00:00

abstract：:Mono-ubiquitinated histone H2B (H2B-Ub) is important for chromatin regulation of transcription, chromatin assembly, and also influences heterochromatin. In this review, we discuss the effects of H2B-Ub from nucleosome to higher-order chromatin structure. We then assess what is currently known of the role of H2B-Ub in ...

journal_title：Current genetics

authors： Zukowski A,Johnson AM

更新日期：2018-08-01 00:00:00

abstract：:The Saccharomyces cerevisiae nuclear gene MRP-S9 was identified as part of the European effort in sequencing chromosome II. MRP-S9 encodes for a hydrophilic and basic protein of 278 amino acids with a molecular mass of 32 kDa. The C-terminal part (aa 153-278) of the MRP-S9 protein exhibits significant sequence similar...

journal_title：Current genetics

authors： Kötter P,Entian KD

更新日期：1995-06-01 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：:We report the isolation and expression profiles of a single-copy gene from the mycoparasitic fungus Trichoderma hamatum encoding a 60 S cytoplasmic ribosomal protein. The gene, named RPL36, was cloned through its nutrient-mediated expression, using mRNA differential screening. Its predicted ORF, interrupted by two int...

journal_title：Current genetics

authors： Fekete C,Posta K,Hornok L

更新日期：2001-05-01 00:00:00

abstract：:A gene of Puccinia graminis f. sp. tritici, coding for the translation elongation factor 1 alpha (EF-1 alpha), was isolated from a P. graminis genomic library using the EF-1 alpha gene sequence of Absidia glauca. The coding region of 1389 nucleotides encodes a polypeptide of 463 amino acids and is interrupted by eight...

journal_title：Current genetics

authors： Schillberg S,Gross P,Tiburzy R

更新日期：1995-03-01 00:00:00

abstract：:The PEL1 gene of Saccharomyces cerevisiae is essential for the cell viability of mitochondrial petite mutants, for the ability to utilize glycerol and ethanol on synthetic medium, and for cell growth at higher temperatures. By tetrad analysis the gene was assigned to chromosome III, centromere proximal of LEU2. The PE...

journal_title：Current genetics

authors： Janitor M,Subík J

更新日期：1993-10-01 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：:How group I introns originate in nuclear ribosomal (r)RNA genes is an important question in evolutionary biology. Central to this issue is the multitude of group I introns present in evolutionarily distantly related plant, fungal, and protist lineages, together with an understanding of their origin and lateral transfe...

journal_title：Current genetics

authors： Bhattacarya D,Cannone JJ,Gutell RR

更新日期：2001-08-01 00:00:00

abstract：:Chloroplast DNA from the fern Osmunda einnamomea was isolated by a sucrose gradient procedure utilizing PEG to stabilize chloroplasts. Analysis with the restriction endonucleases PvuII, Sacl and BstEII indicates a chloroplast genome size of 144 kb. A physical map of the fragments produced by these three enzymes was co...

journal_title：Current genetics

authors： Palmer JD,Stein DB

更新日期：1982-08-01 00:00:00

abstract：:We have further characterized the functionality of the Saccharomyces cerevisiae gene SLT2(MPK1), coding for a MAP-kinase homolog essential for cell integrity, which is involved in the Pkc1p signalling pathway. This gene was isolated on the basis of its capacity to complement the thermosensitive-autolytic, osmotic-reme...

journal_title：Current genetics

authors： Martín H,Castellanos MC,Cenamor R,Sánchez M,Molina M,Nombela C

更新日期：1996-05-01 00:00:00

abstract：:We have investigated chromosomal segregation during meiosis in a cross between two polymorphic haploid laboratory strains of Saccharomyces cerevisiae, FL100 and GRF18. These two strains have large chromosome-length polymorphisms for chromosomes I and III allowing for easy scoring of parental chromosomes after meiotic ...

journal_title：Current genetics

authors： Camasses A

更新日期：1996-08-01 00:00:00

abstract：:Analysis of the cDNA of the atp9-1 gene transcript from petunia mitochondria has revealed that ten C residues of the gene sequence are edited into U in the mRNA. Seven of these edits result in amino acid changes and one introduces a stop codon before the end of the open reading frame predicted from the gene sequence. ...

journal_title：Current genetics

authors： Wintz H,Hanson MR

更新日期：1991-01-01 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：:Antimycin-resistant (AR) mutants of the yeast Kluyveromyces lactis, obtained either spontaneously or after manganese treatment, were isolated and genetically characterized. Most of the mutants obtained after manganese mutagenesis and two spontaneous mutants, tolerated high antimycin concentrations (more than 10 microg...

journal_title：Current genetics

authors： Brunner A,Mendoza V,Tuena de Cobos A

更新日期：1987-01-01 00:00:00

abstract：:Glutathione (GSH) is an abundantly produced low-molecular-weight (LMW) thiol in many organisms. However, a number of Gram-positive bacteria do not produce GSH, but instead produce bacillithiol (BSH) as one of the major LMW thiols. Similar to GSH, studies have found that BSH has various roles in the cell, including pro...

journal_title：Current genetics

authors： Rosario-Cruz Z,Boyd JM

更新日期：2016-02-01 00:00:00

abstract：:The phosphate regulatory mechanism in yeast, known as the PHO pathway, is regulated by inorganic phosphate to control the expression of genes involved in the acquisition of phosphate from the medium. This pathway is also reported to contribute to other nutritional responses and as such it affects several phenotypic ch...

journal_title：Current genetics

authors： Swinnen E,Rosseels J,Winderickx J

更新日期：2005-07-01 00:00:00

abstract：:To supply abundant ribosomes, multiple copies of ribosomal RNA genes (rDNA) are conserved from bacterial to human cells. In eukaryotic genomes, clusters of tandemly repeated rDNA units are present, and their number is stably maintained. Due to high level of transcription of rRNA genes, the repetitive structure is pron...

journal_title：Current genetics

authors： Iida T,Kobayashi T

更新日期：2019-08-01 00:00:00

abstract：:The DNA sequence of a 7.5-kbp region from the maize cmsT mt genome was determined. Nucleotide-sequence analysis of this region reveals the presence of a ct-like trnI (CAT) gene, orf31 and orf48 which are respectively homologous to the trnI (CAT) gene in the maize and rice chloroplast genomes, and to orf28 and orf64 in...

journal_title：Current genetics

authors： Zheng D,Nielsen BL,Daniell H

更新日期：1997-08-01 00:00:00

abstract：:In biological systems, reactive oxygen species (ROS) represent 'double edged swords': as signaling molecules they are essential for proper development, as reactive agents they cause molecular damage and adverse effects like degeneration and aging. A well-coordinated control of ROS is therefore of key importance. Super...

journal_title：Current genetics

authors： Grimm C,Böhl L,Osiewacz HD

更新日期：2015-02-01 00:00:00

abstract：:The gene for subunit II of cytochrome oxidase in the yeast Hansenula saturnus was previously shown to be located on a 1.7 kb HindIII-BamHI fragment of mitochondrial DNA (Lawson and Deters, accompanying paper). In this paper, we report the nucleotide sequence of a large part of this fragment, covering the coding region...

journal_title：Current genetics

authors： Lawson JE,Deters DW

更新日期：1985-01-01 00:00:00