Abstract:
:In phototrophic and chemoautotrophic proteobacteria, genes encoding enzymes of the Calvin-Benson-Bassham pathway of CO2 fixation are often found in clusters that are transcribed from a single promoter under control of the LysR-type transcriptional activator, CbbR. Mutations affecting CbbR prevent induction of cbb genes. Gel-retardation assays have demonstrated CbbR binding to putative regulatory regions of cbb operons, and in two cases, footprinting experiments have delimited the nucleotide sequence protected by CbbR. Fusion of cbb control sequences to reporter genes has allowed the regions required for promoter activity to be defined, and recent experiments indicate that the cbb regulon in Rhodobacter is controlled by a global two-component signal transduction system that also regulates other metabolic processes in this organism. Different ways of regulating CBB cycle enzymes that also have roles in heterotrophic metabolism have recently been discovered. In cyanobacteria, the genes of the CBB pathway are organized and regulated differently, and these oxygen-evolving phototrophic bacteria have evolved different strategies to control the assimilation of CO2.
journal_name
Arch Microbioljournal_title
Archives of microbiologyauthors
Gibson JL,Tabita FRdoi
10.1007/s002030050369subject
Has Abstractpub_date
1996-09-01 00:00:00pages
141-50issue
3eissn
0302-8933issn
1432-072Xjournal_volume
166pub_type
杂志文章,评审abstract::Cell free extracts prepared from exponentially growing Escherichia coli and Bacillus cereus as well as from Bacillus cereus at the end of exponential growth were optimized for various factors required for amino acid incorporation when programmed with Bacillus ribonucleic acid. All three preparations synthesized glutam...
journal_title:Archives of microbiology
pub_type: 杂志文章
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abstract::The anticandidal potential of Geraniol (Ger) against Candida albicans has already been established. The present study reveals deeper insights into the mechanisms of action of Ger. We observed that the repertoire of antifungal activity was not only limited to C. albicans and its clinical isolates but also against non-a...
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journal_title:Archives of microbiology
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journal_title:Archives of microbiology
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journal_title:Archives of microbiology
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更新日期:1983-06-01 00:00:00
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journal_title:Archives of microbiology
pub_type: 杂志文章
doi:10.1007/BF00447315
更新日期:1975-06-22 00:00:00
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journal_title:Archives of microbiology
pub_type: 杂志文章
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更新日期:1987-06-01 00:00:00
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journal_title:Archives of microbiology
pub_type: 杂志文章
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更新日期:1996-02-01 00:00:00
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journal_title:Archives of microbiology
pub_type: 杂志文章
doi:10.1007/BF00454850
更新日期:1976-07-01 00:00:00
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journal_title:Archives of microbiology
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更新日期:1989-01-01 00:00:00
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journal_title:Archives of microbiology
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更新日期:1998-03-01 00:00:00
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journal_title:Archives of microbiology
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abstract::A Gram-stain-negative, aerobic, non-motile and yellow-colored bacterium, strain 17J57-3 T, was isolated from soil collected in Pyeongchang city, Korea. Phylogenetic analyses based on 16S rRNA gene sequences revealed that strain 17J57-3 T formed a distinct lineage within the family Oxalobacteraceae (order Burkholderial...
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journal_title:Archives of microbiology
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更新日期:1976-02-01 00:00:00
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journal_title:Archives of microbiology
pub_type: 杂志文章
doi:10.1007/BF00690224
更新日期:1976-11-02 00:00:00
abstract::YfkE, a protein from Bacillus subtilis, exhibits homology to the Ca(2+):Cation Antiporter (CaCA) Family. In a fluorescence-based assay of everted membrane vesicles prepared from Na(+)(Ca(2+))/H(+) antiporter-defective mutant Escherichia coli KNabc, YfkE exhibited robust Ca(2+)/H(+) antiport activity, with a K (m) for ...
journal_title:Archives of microbiology
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更新日期:2009-08-01 00:00:00
abstract::Cadmium is a non-essential toxic heavy metal for organisms, including plants and cyanobacteria. Cadmium resistance transporters involved in resistance of cells against various toxicants such as drugs and effluxes cytotoxic compounds from cells. However, cadmium resistance-associated protein (CadD) has never been repor...
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journal_title:Archives of microbiology
pub_type: 杂志文章
doi:10.1007/BF00693397
更新日期:1985-08-01 00:00:00
abstract::Growth kinetics of a Vero cells adapted Bangladeshi strain of peste des petits ruminants virus was studied in Vero cells to determine maximum virus yield. One-step growth curve was formulated after determining virus in both supernatant (CFV) and cell lysate (CAV) at different time categories by microtitre plate titrat...
journal_title:Archives of microbiology
pub_type: 杂志文章
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abstract::Mycoplasma pneumoniae and Mycoplasma genitalium are important causative agents of infections in humans. Like all other mycoplasmas, these species possess genomes that are significantly smaller than that of other prokaryotes. Moreover, both organisms possess an exceptionally compact set of DNA recombination and repair-...
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pub_type: 杂志文章,评审
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abstract::Washed cells prepared from carbon-limited continuous cultures of Alcaligenes eutrophus synthesised poly-3-hydroxybutyrate (PHB) rapidly when supplied with glucose, DL-lactate or L-lactate. Unlike growing cultures, washed cells excreted significant amounts of pyruvate. The combined rates of PHB production (qPHB) and py...
journal_title:Archives of microbiology
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更新日期:1997-12-01 00:00:00
abstract::Given the serious threat of foodborne multidrug-resistant bacteria to animals and humans, finding an effective antibacterial compound has always been an important topic for scientists. Here, from the soil of Changbaishan, we have identified a bacterium that can inhibit the growth of Staphylococcus aureus. Nr genome da...
journal_title:Archives of microbiology
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更新日期:2020-11-04 00:00:00
abstract::Microbial changes in vaginal ecosystem may accelerate the process of cervical carcinogenesis. The developed cervical cancer can lead to changes in the vaginal microbiota. The aim of our study is to determine the vaginal microbiota changes at women with FIGO I stage cervical cancer. We conducted an open, single-site su...
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更新日期:2020-03-01 00:00:00