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Sequence of psi, a gene on the symbiotic plasmid of Rhizobium phaseoli which inhibits exopolysaccharide synthesis and nodulation and demonstration that its transcription is inhibited by psr, another gene on the symbiotic plasmid
Springer Science and Business Media LLC - Tập 207 - Trang 149-154 - 1987
A gene termed psi (polysaccharide inhibition), located close to the nodulation genes of the Rhizobium phaseoli symbiotic plasmid pRP2JI inhibited exopolysaccharide synthesis (EPS) and nodulation ability (Nod) in Rhizobium when it was cloned in a multicopy plasmid. The sequence of psi showed that it specified a polypeptide of mol. wt. 10000 that may be associated with the membrane of Rhizobium. A s...... hiện toàn bộ
Heredity of types of inflorescence and fruits in tomato
Springer Science and Business Media LLC - Tập 22 - Trang 223-224 - 1920
Restriction mapping of deletions in the nif region of the Klebsiella pneumoniae chromosome
Springer Science and Business Media LLC - Tập 179 - Trang 349-354 - 1980
Chromosomal DNA restriction fragments carrying the nitrogen fixation (nif) and his genes of Klebsiella pneumoniae were identified in hybridization experiments using a plasmid derived from pRD1 as a radioactive probe. Restriction mapping of 26 genetically characterized chromosomal nif deletions provided a map showing the physical location of nif genes along the chromosome.
Identification of paralogous HERV-K LTRs on human chromosomes 3, 4, 7 and 11 in regions containing clusters of olfactory receptor genes
Springer Science and Business Media LLC - Tập 265 - Trang 820-825 - 2001
A locus harboring a human endogenous retroviral LTR (long terminal repeat) was mapped on the short arm of human chromosome 7 (7p22), and its evolutionary history was investigated. Sequences of two human genome fragments that were homologous to the LTR-flanking sequences were found in human genome databases: (1) an LTR-containing DNA fragment from region 3p13 of the human genome, which includes cl...... hiện toàn bộ
Interplasmid transposition of the mariner transposable element in non-drosophilid insects
Springer Science and Business Media LLC - - 1997
Differential regulation of the plasmid-encoded genes in the Shigella flexneri virulence regulon
Springer Science and Business Media LLC - Tập 256 - Trang 93-103 - 1997
Expression of the Shigella flexneri virulence gene regulon is controlled by multiple environmental signals acting through a regulatory cascade. The primary regulator is VirF, which is a positive regulator of the secondary regulatory gene virB and the structural gene icsA. The product of the virB gene in turn activates transcription of the genes coding for the invasion proteins, and for the type I...... hiện toàn bộ
An aureobasidin A resistance gene isolated from Aspergillus is a homolog of yeast AUR1, a gene responsible for inositol phosphorylceramide (IPC) synthase activity
Springer Science and Business Media LLC - Tập 261 - Trang 290-296 - 1999
The AUR1 gene of Saccharomyces cerevisiae, mutations in which confer resistance to the antibiotic aureobasidin A, is necessary for inositol phosphorylceramide (IPC) synthase activity. We report the molecular cloning and characterization of the Aspergillus nidulans aurA gene, which is homologous to AUR1. A single point mutation in the aurA gene of A. nidulans confers a high level of resistance to ...... hiện toàn bộ
DNA synthesis during meiosis of eight-spored strains ofChlamydomonas reinhardi
Springer Science and Business Media LLC - Tập 152 - Trang 311-317 - 1977
In strain 137F ofChlamydomonas reinhardi, the zygospores undergo one round of nuclear DNA replication followed by three divisions to produce octospores. The third division without replication has been interpreted by Sueoka et al. (1967, 1969) to mean that the gametes and vegetative cells have at least binemic chromosomes. We have repeated their experiments using the same strain. However, the meiot...... hiện toàn bộ
Characterization and application of a putative transcription factor (SUT2) in Pichia pastoris
Springer Science and Business Media LLC - Tập 295 - Trang 1295-1304 - 2020
Pichia pastoris is able to metabolize methanol via a specific MUT (methanol utilization) pathway. Based on the powerful AOX1 (Alcohol Oxidase 1) promoter, the P. pastoris expression system has become one of the most widely used eukaryotic expression systems. The molecular mechanisms of methanol metabolic regulation remain unclearly understood, so it is important to identify and develop new transcr...... hiện toàn bộ
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