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Curr Opin Microbiol. 1998 Dec;1(6):623-9.

Heterocyst formation in Anabaena.

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  • 1Department of Biology, Texas A&M University, College Station, TX 77843-3258, USA. jgolden@tamu.edu

Abstract

Heterocystous cyanobacteria grow as multicellular organisms with a distinct one-dimensional developmental pattern of single nitrogen-fixing heterocysts separated by approximately ten vegetative cells. Several genes have been identified that are required for heterocyst development and pattern formation. A key regulator, HetR, has been recently shown to be aserine-type protease.

PMID:
10066546
[PubMed - indexed for MEDLINE]
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