منابع مشابه
Physiological and expression analyses of Agrobacterium tumefaciens trxA, encoding thioredoxin.
Exposure of Agrobacterium tumefaciens to menadione, cumene hydroperoxide, and diamide strongly induced trxA expression. The trxA mutant showed a reduction in the aerobic growth rate and plating efficiency and was cytochrome c oxidase negative. Atypically, the mutant has decreased resistance to menadione but an increased H2O2 resistance phenotype.
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Regulation of cell growth is a fundamental process in development and disease that integrates a vast array of extra- and intracellular information. A central player in this process is RNA polymerase I (Pol I), which transcribes ribosomal RNA (rRNA) genes in the nucleolus. Rapidly growing cancer cells are characterized by increased Pol I-mediated transcription and, consequently, nucleolar hypert...
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To the Editor : Craniosynostosis, the premature fusion of one or more cranial sutures, is a common malformation occurring in approximately 1 in 2500 live births (1), and ocular hypertelorism, proptosis, beaking of the nose and midface hypoplasia are the common facial features of the craniosynostosis (2, 3). The syndromic craniosynostosis is the hereditary form of craniosynostosis, which is asso...
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OBJECTIVE To understand phenotypic and molecular characteristics of patients with clinically "definite" primary lateral sclerosis (PLS) in a prospective study. METHODS Six sites enrolled 41 patients who had pure upper motor neuron dysfunction, bulbar symptoms, a normal EMG done within 12 months of enrollment, and onset of symptoms ≥5 years before enrollment. For phenotypic analyses, 27 demogr...
متن کاملFunctional and expression analyses of the cop operon, required for copper resistance in Agrobacterium tumefaciens.
The copper resistance determinant copARZ, which encodes a CPx-type copper ATPase efflux protein, a transcriptional regulator, and a putative intracellular copper chaperone, was functionally characterized for the phytopathogenic bacterium Agrobacterium tumefaciens. These genes are transcribed as an operon, and their expression is induced in response to increasing copper and silver ion concentrat...
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ژورنال
عنوان ژورنال: Current Protocols in Microbiology
سال: 2012
ISSN: 1934-8525,1934-8533
DOI: 10.1002/9780471729259.mc03d03s25