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Unstable structure of ribosomal particles synthesized in. gamma. -irradiated Escherichia coli

Journal Article:

Abstract

Stability of Escherichia coli ribosomes newly synthesized after ..gamma..-irradiation was compared with that of normal ribosomes. The ribosomal particles around 70-S synthesized in irradiated cells were more sensitive to digestion by pancreatic ribonuclease A. A larger number of the salt-unstable '50-S' precursor particles existed in the extract from irradiated cells than in the extract from unirradiated cells. These facts suggest that ribosomal particles, synthesized during an earlier stage in irradiated cells, maintain an incomplete structure even though they are not distinguishable from normal ribosomes by means of sucrose density-gradient centrifugation.
Authors:
Fujita, H; Morita, K [1] 
  1. National Inst. of Radiological Sciences, Chiba (Japan)
Publication Date:
Jun 01, 1975
Product Type:
Journal Article
Reference Number:
AIX-07-233368; EDB-76-055690
Resource Relation:
Journal Name: J. Radiat. Res.; (Japan); Journal Volume: 16:2
Subject:
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.; RIBOSOMES; BIOLOGICAL RADIATION EFFECTS; BIOSYNTHESIS; ESCHERICHIA COLI; GAMMA RADIATION; INSTABILITY; METABOLISM; PANCREAS; RNA; RNA-ASE; TRITIUM COMPOUNDS; UPTAKE; URIDINE; AZINES; BACTERIA; BIOLOGICAL EFFECTS; BODY; CELL CONSTITUENTS; DIGESTIVE SYSTEM; ELECTROMAGNETIC RADIATION; ENDOCRINE GLANDS; ENZYMES; GLANDS; HETEROCYCLIC COMPOUNDS; HYDROXY COMPOUNDS; IONIZING RADIATIONS; LABELLED COMPOUNDS; MICROORGANISMS; NUCLEIC ACIDS; NUCLEOSIDES; NUCLEOTIDES; ORGANIC COMPOUNDS; ORGANIC NITROGEN COMPOUNDS; ORGANOIDS; ORGANS; PHOSPHOTRANSFERASES; PYRIMIDINES; RADIATION EFFECTS; RADIATIONS; RIBOSIDES; SYNTHESIS; TRANSFERASES; URACILS; 560112* - Radiation Effects on Biochemicals- In Microorganisms- (-1987)
OSTI ID:
7350722
Country of Origin:
Japan
Language:
English
Other Identifying Numbers:
Journal ID: CODEN: JRARA
Submitting Site:
INIS
Size:
Pages: 113-119
Announcement Date:
Jul 01, 1976

Journal Article:

Citation Formats

Fujita, H, and Morita, K. Unstable structure of ribosomal particles synthesized in. gamma. -irradiated Escherichia coli. Japan: N. p., 1975. Web.
Fujita, H, & Morita, K. Unstable structure of ribosomal particles synthesized in. gamma. -irradiated Escherichia coli. Japan.
Fujita, H, and Morita, K. 1975. "Unstable structure of ribosomal particles synthesized in. gamma. -irradiated Escherichia coli." Japan.
@misc{etde_7350722,
title = {Unstable structure of ribosomal particles synthesized in. gamma. -irradiated Escherichia coli}
author = {Fujita, H, and Morita, K}
abstractNote = {Stability of Escherichia coli ribosomes newly synthesized after ..gamma..-irradiation was compared with that of normal ribosomes. The ribosomal particles around 70-S synthesized in irradiated cells were more sensitive to digestion by pancreatic ribonuclease A. A larger number of the salt-unstable '50-S' precursor particles existed in the extract from irradiated cells than in the extract from unirradiated cells. These facts suggest that ribosomal particles, synthesized during an earlier stage in irradiated cells, maintain an incomplete structure even though they are not distinguishable from normal ribosomes by means of sucrose density-gradient centrifugation.}
journal = {J. Radiat. Res.; (Japan)}
volume = {16:2}
journal type = {AC}
place = {Japan}
year = {1975}
month = {Jun}
}