Literature DB >> 967156

Temperature-sensitive breakdown in vivo of polysomes with mutants of Chlamydomonas reinhardii.

J Cross, D McMahon.   

Abstract

Two temperature-sensitive mutants of Chlamydomonas reinhardii Dangeard which are defective in protein synthesis were examined. Both show breakdown of their polysomes at the restrictive temperature into monosomes which do not contain fragments of mRNA. Many of the ribosomes still contain nascent peptides able to react with puromycin. The polysome breakdown involves only cytoplasmic (80S) ribosomes and is prevented or reversed when ribosome translocation is inhibited with cyloheximide.

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Year:  1976        PMID: 967156     DOI: 10.1007/BF00267568

Source DB:  PubMed          Journal:  Mol Gen Genet        ISSN: 0026-8925


  26 in total

1.  A simplified procedure for the preparation of tyrosine and valine-acceptor fractions of yeast "soluble ribonucleic acid".

Authors:  R W HOLLEY; J APGAR; B P DOCTOR; J FARROW; M A MARINI; S H MERRILL
Journal:  J Biol Chem       Date:  1961-01       Impact factor: 5.157

2.  Polysome metabolism in protein synthesis mutants of yeast.

Authors:  N S Petersen; C S McLaughlin
Journal:  Mol Gen Genet       Date:  1974-03-27

3.  Studies on the metabolic role of peptidyl-tRNA hydrolase. I. Properties of a mutant E. coli with temperature-sensitive peptidyl-tRNA hydrolase.

Authors:  J R Menninger; C Walker; P F Tan
Journal:  Mol Gen Genet       Date:  1973-03-19

4.  A simple general method to determine the proportion of active ribosomes in eukaryotic cells.

Authors:  T E Martin
Journal:  Exp Cell Res       Date:  1973-08       Impact factor: 3.905

5.  The effects of canavanine and of arginine starvation on macromolecular synthesis in Chlamydomonas reinhardi.

Authors:  D McMahon; P Langstroth
Journal:  J Gen Microbiol       Date:  1972-11

6.  Enhancement of polyribosome formation and induction of tryptophan-rich proteins by gibberellic acid.

Authors:  W H Evins
Journal:  Biochemistry       Date:  1971-11       Impact factor: 3.162

7.  Role of isoleucyl-transfer ribonucleic acid synthetase in ribonucleic acid synthesis and enzyme repression in yeast.

Authors:  C S McLaughlin; P T Magee; L H Hartwell
Journal:  J Bacteriol       Date:  1969-11       Impact factor: 3.490

8.  A mutant of yeast with a defective methionyl-tRNA synthetase.

Authors:  C S McLaughlin; L H Hartwell
Journal:  Genetics       Date:  1969-03       Impact factor: 4.562

9.  Cycloheximide is not a specific inhibitor of protein synthesis in vivo.

Authors:  D McMahon
Journal:  Plant Physiol       Date:  1975-05       Impact factor: 8.340

10.  Isolation of cytoplasmic and chloroplast ribosomes and their dissociation into active subunits from Chlamydomonas reinhardtii.

Authors:  N H Chua; G Blobel; P Siekevitz
Journal:  J Cell Biol       Date:  1973-06       Impact factor: 10.539

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