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Article

HcwA, an autolysin, is required for heterocyst maturation in Anabaena sp. strain PCC 7120.

Journal of bacteriology - 1 Dec 2001

Zhu J, Jäger K, Black T, Zarka K, Koksharova O, Wolk C P

Abstract excerpt

In many filamentous cyanobacteria, vegetative cells can differentiate into heterocysts, cells that are specialized for aerobic fixation of N(2). Synthesis of the heterocyst envelope polysaccharide is dependent on the gene hepA in Anabaena sp. strain PCC 7120. In search of genes that are involved in the regulation of hepA, we transposon mutagenized strain DR1069, which bears a chromosomal hepA::luxAB fusion. One...

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Identifiers

PMID: 11698373
DOI: 10.1128/JB.183.23.6841-6851.2001
PMCID: PMC95525

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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HcwA, an autolysin, is required for heterocyst maturation in Anabaena sp. strain PCC 7120.PMID 11698373Read ↗

Description of five mutants of the cyanobacterium Anabaena sp strain PCC 7120 affected in heterocyst differentiation and identification of the transposon-tagged genes.Semantic proximity Read ↗

Predicted glycosyl transferase genes located outside the HEP island are required for formation of heterocyst envelope polysaccharide in Anabaena sp. strain PCC 7120.Semantic proximity Read ↗

pbpB, a gene coding for a putative penicillin-binding protein, is required for aerobic nitrogen fixation in the cyanobacterium Anabaena sp. strain PCC7120.Semantic proximity Read ↗

Analysis of a Het- mutation in Anabaena sp. strain PCC 7120 implicates a secondary metabolite in the regulation of heterocyst spacing.Semantic proximity Read ↗

A third genetic locus required for the formation of heterocysts in Anabaena sp. strain PCC 7120.Semantic proximity Read ↗

A TolC-like protein is required for heterocyst development in Anabaena sp. strain PCC 7120.Semantic proximity Read ↗

Septum-localized protein required for filament integrity and diazotrophy in the heterocyst-forming cyanobacterium Anabaena sp. strain PCC 7120.Semantic proximity Read ↗

Three Substrains of the Cyanobacterium Anabaena sp. Strain PCC 7120 Display Divergence in Genomic Sequences and hetC Function.Semantic proximity Read ↗

The hglK gene is required for localization of heterocyst-specific glycolipids in the cyanobacterium Anabaena sp. strain PCC 7120.Semantic proximity Read ↗

Heterocyst differentiation: from single mutants to global approaches.Semantic proximity Read ↗

The TolC-like protein HgdD of the cyanobacterium Anabaena sp. PCC 7120 is involved in secondary metabolite export and antibiotic resistance.Semantic proximity Read ↗

ppGpp metabolism is involved in heterocyst development in the cyanobacterium Anabaena sp. strain PCC 7120.Semantic proximity Read ↗

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