| Chemical composition of exosporium from spores of Bacillus cereus. | |
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MedLine Citation:
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PMID: 4983648 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Homogeneous fragments of exosporium were extricated in centigram amounts from dormant spores of Bacillus cereus and analyzed for intrinsic constituents. The membrane proved to be chemically complex but not unique, consisting mainly of protein (52%), amino and neutral polysaccharides (20%), lipids (18%), and ash (4%). Seventeen common amino acids were identified by chromatography, and were present in usual proportions except for low levels of cystine-cysteine, methionine, tyrosine, and histidine. Glucosamine was the only amino sugar, and glucose and rhamnose were the principal neutral sugars. The lipid fraction contained 5.5% cardiolipin as the only phospholipid, 12.5% neutral lipids, and at least 19 fatty acids, among which normal C(16) and C(18) ones predominated. Calcium and phosphorus occurred in the ash. Small amounts of teichoic, ribonucleic, and dipicolinic acids were believed to represent contamination. |
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Authors:
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L L Matz; T C Beaman; P Gerhardt |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Journal of bacteriology Volume: 101 ISSN: 0021-9193 ISO Abbreviation: J. Bacteriol. Publication Date: 1970 Jan |
Date Detail:
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Created Date: 1970-03-05 Completed Date: 1970-03-05 Revised Date: 2009-11-18 |
Medline Journal Info:
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Nlm Unique ID: 2985120R Medline TA: J Bacteriol Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 196-201 Citation Subset: IM |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Amino Acids
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analysis Bacillus cereus / analysis* Calcium / analysis Cell Membrane / analysis Chemical Phenomena Chemistry Chromatography Cysteine / analysis Cystine / analysis Fatty Acids / analysis Histidine / analysis Lipids / analysis Methionine / analysis Phospholipids / analysis Phosphorus / analysis Polysaccharides / analysis Proteins / analysis Spores / analysis* Tyrosine / analysis |
| Chemical | |
Reg. No./Substance:
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0/Amino Acids; 0/Fatty Acids; 0/Lipids; 0/Phospholipids; 0/Polysaccharides; 0/Proteins; 52-90-4/Cysteine; 55520-40-6/Tyrosine; 56-89-3/Cystine; 63-68-3/Methionine; 71-00-1/Histidine; 7440-70-2/Calcium; 7723-14-0/Phosphorus |
| Comments/Corrections | |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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