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Electron microscopy studies of cell-wall-anchored cellulose (avicel)-binding protein (AbpS) from Streptomyces reticuli

Article Abstract:

The cell-wall-anchored cellulose (Avicel)-binding protein (AbpS) from Streptomyces reticuli has been studied using electron microscopy techniques. AbpS is a 35-kDa protein that interacts strongly with crystalline but not with soluble types of cellulose. Polymerase chain reactions were used in amplifying the complete abpS genes or the truncated abpS genes that were shortened at the 5' end. Results indicated that the NH2 terminus of AbpS protrudes from the murein layer of S. reticuli. An examination of the ultrathin sections of the cell wall showed that AbpS is tightly and covalently linked to the polyglucane layer.

Author: Schrempf, Hildgund, Rohde, Manfred, Walter, Stefan, Machner, Matthias
Publisher: American Society for Microbiology
Publication Name: Applied and Environmental Microbiology
Subject: Biological sciences
ISSN: 0099-2240
Year: 1999
Analysis, Carrier proteins, Transport proteins, Bacterial genetics

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A novel fusidic acid resistance gene from Streptomyces lividans 66 encodes a highly specific esterase

Article Abstract:

The fusH gene which encodes the Streptomyces lividans FusH extracellular enzyme was cloned and sequenced by utilizing a deduced oligonucleotide probe. Analysis of the clone fusH gene from Streptomyces lividans subgenomic DNA library indicated the presence of two putative start codons with three directly repeated sequences. Furthermore, biochemical analysis of the FusH esterase indicated the presence of a GDS motif that was similar to other microbial esterases.

Author: Schrempf, Hildgund, Haar, Beate von der, Walter, Stefan, Schwapenhauer, Susanne
Publisher: Society for General Microbiology
Publication Name: Microbiology
Subject: Biological sciences
ISSN: 1350-0872
Year: 1997
Esterases, Microbial enzymes

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Amplification of a Streptomyces lividans 4.3 kb DNA element causes overproduction of a novel hypha- and vesicle-associated protein

Article Abstract:

The 4.3 kb amplifiable DNA unit (AUD) was characterized in the wild-type Streptomyces lividans 66 genome. Its sequence was compared with the corresponding amplified DNA sequence (ADS). A novel 23kDa protein encoded by the AUD and ADS was identified and shown to be associated with the substrate hyphae of the wild-type and the ADS-containing variant. Microscopic examination revealed that the strain carrying the ADS formed hyphal bulges apical vesicles.

Author: Schrempf, Hildgund, Betzler, Michael, Tlolka, Inge
Publisher: Society for General Microbiology
Publication Name: Microbiology
Subject: Biological sciences
ISSN: 1350-0872
Year: 1997
DNA sequencers

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Subjects list: Research, Genetic aspects, Streptomyces
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