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Radiation induced formation of giant cells in Saccharomyces uvarum. Pt. 4. Macromolecular synthesis and protein patterns

Abstract

X-irradiated (1.0 kGy) yeast cells (Saccharomyces uvarum, ATCC 9080), grown in liquid medium stop their mitotic activities and form giant cells by development of several buds which do not separate from mother cells. Depending on the time in culture, wet and dry weights per cell, protein- RNA- and DNA- contents per cell as well as incorporation rates of /sup 14/C-leucine per cell and per hour and patterns (isoelectric focusing) of water soluble proteins were studied. Weights per cell, RNA and protein contents per cell and /sup 14/C-leucine incorporation rates increase markedly in giant cells, whereas DNA content per cell is only duplicated. Protein patterns in isoelectric focusing show one interesting difference. In samples from giant cells one protein band (IP=6.63) decreases after 8 h in culture and later on disappears completely. This finding is not due to primary damage in X-irradiated DNA but seems to be related to the control of cell cycle events.
Publication Date:
Aug 01, 1986
Product Type:
Journal Article
Reference Number:
DEN-86-008715; EDB-86-160668
Resource Relation:
Journal Name: Radiat. Environ. Biophys.; (Germany, Federal Republic of); Journal Volume: 25:2
Subject:
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.; CELL CYCLE; BIOLOGICAL RADIATION EFFECTS; SACCHAROMYCES; CARBON 14 COMPOUNDS; DNA; EXTERNAL IRRADIATION; LEUCINE; MITOSIS; MITOTIC DELAY; PROTEINS; QUANTITY RATIO; RNA; TIME DEPENDENCE; TRACER TECHNIQUES; WEIGHT; X RADIATION; AMINO ACIDS; BIOLOGICAL EFFECTS; CARBOXYLIC ACIDS; CELL DIVISION; ELECTROMAGNETIC RADIATION; FUNGI; IONIZING RADIATIONS; IRRADIATION; ISOTOPE APPLICATIONS; LABELLED COMPOUNDS; MICROORGANISMS; NUCLEIC ACIDS; ORGANIC ACIDS; ORGANIC COMPOUNDS; PLANTS; RADIATION EFFECTS; RADIATIONS; YEASTS; 560131* - Radiation Effects on Microorganisms- Basic Studies- (-1987)
OSTI ID:
5415854
Research Organizations:
Bonn Univ., Germany, F.R. Inst. fuer Strahlenbiologie
Country of Origin:
Germany
Language:
English
Other Identifying Numbers:
Journal ID: CODEN: REBPA
Submitting Site:
DEN
Size:
Pages: 81-91
Announcement Date:
Sep 01, 1986

Citation Formats

Rink, H, Baumstark-Khan, C, and Partke, H J. Radiation induced formation of giant cells in Saccharomyces uvarum. Pt. 4. Macromolecular synthesis and protein patterns. Germany: N. p., 1986. Web.
Rink, H, Baumstark-Khan, C, & Partke, H J. Radiation induced formation of giant cells in Saccharomyces uvarum. Pt. 4. Macromolecular synthesis and protein patterns. Germany.
Rink, H, Baumstark-Khan, C, and Partke, H J. 1986. "Radiation induced formation of giant cells in Saccharomyces uvarum. Pt. 4. Macromolecular synthesis and protein patterns." Germany.
@misc{etde_5415854,
title = {Radiation induced formation of giant cells in Saccharomyces uvarum. Pt. 4. Macromolecular synthesis and protein patterns}
author = {Rink, H, Baumstark-Khan, C, and Partke, H J}
abstractNote = {X-irradiated (1.0 kGy) yeast cells (Saccharomyces uvarum, ATCC 9080), grown in liquid medium stop their mitotic activities and form giant cells by development of several buds which do not separate from mother cells. Depending on the time in culture, wet and dry weights per cell, protein- RNA- and DNA- contents per cell as well as incorporation rates of /sup 14/C-leucine per cell and per hour and patterns (isoelectric focusing) of water soluble proteins were studied. Weights per cell, RNA and protein contents per cell and /sup 14/C-leucine incorporation rates increase markedly in giant cells, whereas DNA content per cell is only duplicated. Protein patterns in isoelectric focusing show one interesting difference. In samples from giant cells one protein band (IP=6.63) decreases after 8 h in culture and later on disappears completely. This finding is not due to primary damage in X-irradiated DNA but seems to be related to the control of cell cycle events.}
journal = []
volume = {25:2}
journal type = {AC}
place = {Germany}
year = {1986}
month = {Aug}
}