| Physiology of sporeforming bacteria associated with insects: metabolism of Bacillus popilliae grown in third-instar Popillia japonica Newman larvae. | |
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MedLine Citation:
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PMID: 1147615 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The timing and relative participation of concurrent pathways of carbohydrate metabolism as well as the extent of terminal respiratory activity were determined by radiorespirometry with 14-C substrates and by enzyme assays for vegetative and sporulating cells of the bacterium Bacillus popilliae cultured in whole, intact Popillia japonica (Japanese beetle) larvae. During vegetative proliferation, the pentose phosphate pathway predominates in the bacterial cells with minor involvement of the Embden-Meyerhof-Parnas pathway. As the cells proceed through sporulation, pentose phosphate and Embden-Meyerhof-Parnas activity remains constant. No tricarboxylic cycle activity is evident during growth and sporulation of B. popilliae. The results demonstrate (i) predominantly aerobic metabolism for carbohydrate assimilation within in vivo sporulating cells, (ii) a major contrast to the metabolism of other aerobic sporeforming bacteria that exhibit derepression of tricarboxylic acid cycle enzymatic activity at the onset of sporulation, and (iii) no causal necessity of the cycle to B. popilliae sporogeny. |
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Authors:
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G St Julian; L A Bulla; R S Hanson |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Applied microbiology Volume: 30 ISSN: 0003-6919 ISO Abbreviation: Appl Microbiol Publication Date: 1975 Jul |
Date Detail:
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Created Date: 1975-10-08 Completed Date: 1975-10-08 Revised Date: 2009-11-18 |
Medline Journal Info:
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Nlm Unique ID: 7605802 Medline TA: Appl Microbiol Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 20-5 Citation Subset: IM |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Acetates
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metabolism Aerobiosis Animals Bacillus / enzymology, growth & development, metabolism* Beetles / microbiology* Carbon Dioxide / biosynthesis Citric Acid Cycle Glucose / metabolism Glutamates / metabolism Hemolymph / metabolism Insect Control Ketoglutaric Acids / metabolism Larva / microbiology Pest Control, Biological Pyruvates / metabolism Spores, Bacterial / growth & development Succinates / metabolism |
| Chemical | |
Reg. No./Substance:
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0/Acetates; 0/Glutamates; 0/Ketoglutaric Acids; 0/Pyruvates; 0/Succinates; 124-38-9/Carbon Dioxide; 50-99-7/Glucose |
| Comments/Corrections | |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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