Results 151 to 160 of about 2,167 (179)
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Plant and Soil, 1995
Nitrogen-fixing Acetobacter diazotrophicus, Herbaspirillum seropedicae and Herbaspirillum rubrisubalbicans colonize sugar cane, and are thought to be capable of supplying high levels of fixed nitrogen to this plant. Eight A. diazotrophicus, two H. seropedicae and four H.
A. Ureta +4 more
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Nitrogen-fixing Acetobacter diazotrophicus, Herbaspirillum seropedicae and Herbaspirillum rubrisubalbicans colonize sugar cane, and are thought to be capable of supplying high levels of fixed nitrogen to this plant. Eight A. diazotrophicus, two H. seropedicae and four H.
A. Ureta +4 more
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Potentiality of Herbaspirillum seropedicae as a Platform for Bioplastic Production
2016Polyhydroxybutyrate (PHB) is a polyhydroxyalkanoate produced by several bacteria as carbon storage and reducing equivalent sink. The production of PHB is a hot topic in biotechnological research due to its properties similar to oil-based plastics, while PHB is readily degradable in the environment.
Marcelo Bueno Batista +3 more
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Structural organization and regulation of the nif genes of Herbaspirillum seropedicae
Soil Biology and Biochemistry, 1997Abstract The promoter regions of nifA and nifH genes of Herbaspirillom seropedicae have been isolated and investigated, and the nifA promoter has been characterized in detail. Both regions contain a −24 −12 type promoter and NifA-binding sites; the nifA promoter also has an NtrC-binding site.
F.O. Pedrosa +11 more
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Expression, purification, and DNA-binding activity of the Herbaspirillum seropedicae RecX protein
Protein Expression and Purification, 2004The Herbaspirillum seropedicae RecX protein participates in the SOS response: a process in which the RecA protein plays a central role. The RecX protein of the H. seropedicae, fused to a His-tag sequence (RecX His-tagged), was over-expressed in Escherichia coli and purified by metal-affinity chromatography to yield a highly purified and active protein.
Carolina W, Galvão +5 more
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TherecXgene product is involved in the SOS response inHerbaspirillum seropedicae
Canadian Journal of Microbiology, 2003The recA and the recX genes of Herbaspirillum seropedicae were sequenced. The recX is located 359 bp downstream from recA. Sequence analysis indicated the presence of a putative operator site overlapping a probable σ70-dependent promoter upstream of recA and a transcription terminator downstream from recX, with no apparent promoter sequence in the ...
Carolina W, Galvão +5 more
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Microbiology, 2012
The diazotrophic endophyte Herbaspirillum seropedicae Z78 was shown to possess a capsule containing two high-molecular-weight glycolipids, one of which was of a lipopolysaccharide nature. These glycolipids differed considerably in the fatty acid composition of their lipid components.
O. N. Smol’kina +3 more
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The diazotrophic endophyte Herbaspirillum seropedicae Z78 was shown to possess a capsule containing two high-molecular-weight glycolipids, one of which was of a lipopolysaccharide nature. These glycolipids differed considerably in the fatty acid composition of their lipid components.
O. N. Smol’kina +3 more
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Archives of Microbiology
The RNA-Seq profiling of Herbaspirillum seropedicae SmR1 wild-type and ntrC mutant was performed under aerobic and three nitrogen conditions (ammonium limitation, ammonium shock, and nitrate shock) to identify the major metabolic pathways modulated by these nitrogen sources and those dependent on NtrC. Under ammonium limitation, H.
Paloma, Bonato +8 more
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The RNA-Seq profiling of Herbaspirillum seropedicae SmR1 wild-type and ntrC mutant was performed under aerobic and three nitrogen conditions (ammonium limitation, ammonium shock, and nitrate shock) to identify the major metabolic pathways modulated by these nitrogen sources and those dependent on NtrC. Under ammonium limitation, H.
Paloma, Bonato +8 more
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Journal of Biotechnology, 2001
Herbaspirillum seropedicae is a nitrogen-fixing bacterium found in association with economically important gramineae. Regulation of nitrogen fixation involves the transcriptional activator NifA protein. The regulation of NifA protein and its truncated mutant proteins is described and compared with that of other nitrogen fixation bacteria.
F O, Pedrosa +9 more
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Herbaspirillum seropedicae is a nitrogen-fixing bacterium found in association with economically important gramineae. Regulation of nitrogen fixation involves the transcriptional activator NifA protein. The regulation of NifA protein and its truncated mutant proteins is described and compared with that of other nitrogen fixation bacteria.
F O, Pedrosa +9 more
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Regulation of nif genes expression in Azospirillum brasilense and Herbaspirillum seropedicae
1989Several ethylenediamine (EDA)-resistant mutants of A. brasilense were isolated and found to depress nitrogenase in the presence of high NH 4 + concentrations. These mutants were defective in NH 4 + uptake and capable of excreting NH4 + in N-free semi-solid medium. A gene library of H. seropedicae strain HZ78 was constructed in cosmid pVK102.
F. O. Pedrosa +4 more
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Role of Herbaspirillum seropedicae Nifa Domains on the Expression of nif Genes
2000H. seropedicae NifA is a transcriptional activator protein of nif genes. This protein comprises three domains: the C-terminal domain contains a helix-turn-helix motif that is responsible for binding to specific activator-binding sites (UAS) of nif gene promoters.
R. A. Monteiro +4 more
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