Mutant of Bacillus subtilis with a temperature-sensitive lesion in ribonucleic acid synthesis during germination

Author:

Albertini A M,Galizzi A

Abstract

We have isolated a mutant of Baccillus subtilis with a temperature-sensitive lesion in the process of spore germination. The temperature-sensitive mutation affects only germination and outgrowth, and the earliest defect observed is an early block of ribonucleic acid synthesis during germination at 46 C. Upon return to 35 C there is a complete repair of the impaired function, even in the absence of protein synthesis. Protein synthesis inhibition during germination of the mutant spores at 46 C has the effect of increasing the amount of ribonucleic acid made. The temperature-sensitive mutation is located near aroI.

Publisher

American Society for Microbiology

Subject

Molecular Biology,Microbiology

Reference25 articles.

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2. Synthesis macromoleculaires au cours de la germination des spores de B. subtilis;Balassa G.;I. Cinetique. Ann. Inst. Pasteur (Paris),1965

3. Sur un mutant de Clostridium perfringens donnant des spores sans tuniques a germination Iysozyme-dependente;Cassier M.;Ann. Inst. Pasteur (Paris),1971

4. Clowes R. C. and W. Hayes. 1968. Experiments in microbial genetics. Blackwell Scientific Publications Oxford.

5. Davis B. D. and E. S. Mingioli. 1950. Mutants of Escherichia coli requiring methionine or vitamin B 2. J.

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