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PMID: 4897108 Published · ppublish English Journal Article

Intracellular protein breakdown in a thermophile.

Journal of bacteriology ·Vol. 99 ·No. 2 ·1969-08-00 ·Pages 418-21

Epstein I, Grossowicz N

Abstract

Protein breakdown of 5 to 7% per hr was found in nitrogen-starved cells of an unclassified prototrophic thermophilic bacillus; a similar protein-breakdown rate (6.5% per hr) was found in resting cells of Escherichia coli. In the thermophile, the rate of protein breakdown was markedly influenced by the temperature; it was maximal between 45 and 55 C, and it decreased considerably at 35 and 75 C, temperatures which are only slightly below or above the minimal and maximal growth temperatures. Growing cultures of the thermophile showed little, if any, protein breakdown, a finding similar to that of others with E. coli.

MeSH Terms
Bacillus/growth & development,metabolism Bacterial Proteins/metabolism Carbon Isotopes Escherichia coli/metabolism Hot Temperature Phenylalanine/metabolism Protein Hydrolysates/metabolism Temperature
Chemicals
Bacterial Proteins Carbon Isotopes Protein Hydrolysates Phenylalanine
Authors & Affiliations
2 authors, click to expand affiliations / ORCID
Epstein I
Grossowicz N
References (17)
17 references, click to expand
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Article Info
Journal
Journal of bacteriology
Abbr.
J Bacteriol
ISSN
0021-9193
Published
1969-08-00
Pages
418-21
Language
English
Region
United States
NLM ID
2985120R
PMCID
PMC250033
Subset
IM
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