A mutant of the cyanobacterium Anabaena variabilis ATCC 29413 lacking cyanophycin synthetase: growth properties and ultrastructural aspects.
FEMS Microbiol Lett
; 196(1): 13-8, 2001 Mar 01.
Article
em En
| MEDLINE
| ID: mdl-11257541
ABSTRACT
The gene cphA encoding cyanophycin synthetase was interrupted in Anabaena variabilis ATCC 29413 by insertional mutagenesis. The mutant lacked cyanophycin granules and the polar nodules of heterocysts. The mutant grew as fast as the wild-type irrespective of the nitrogen source at low light intensity whereas growth on N(2) was somewhat reduced in high light. It is concluded that cyanophycin metabolism and polar nodules are not essential for aerobic N(2) fixation.
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Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Peptídeo Sintases
/
Proteínas de Bactérias
/
Anabaena
Idioma:
En
Revista:
FEMS Microbiol Lett
Ano de publicação:
2001
Tipo de documento:
Article