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Article

Characterization of HetN, a protein involved in heterocyst differentiation in the cyanobacterium Anabaena sp. strain PCC 7120.

FEMS microbiology letters - 1 Aug 2009

Liu Juan, Chen Wen-Li

Abstract excerpt

HetN, a putative ketoacyl reductase, is required for heterocyst pattern maintenance in the filamentous cyanobacterium Anabaena sp. strain PCC 7120. The hetN gene, when present on a multicopy plasmid, is able to suppress heterocyst differentiation. Little is known about the biochemical properties of HetN. In the present study, we found that HetN could hydrolyze ATP or GTP in vitro, and that this activity was...

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PMID: 19558588
DOI: 10.1111/j.1574-6968.2009.01644.x

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

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Characterization of HetN, a protein involved in heterocyst differentiation in the cyanobacterium Anabaena sp. strain PCC 7120.PMID 19558588Read ↗

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

Mutagenesis of hetR reveals amino acids necessary for HetR function in the heterocystous cyanobacterium Anabaena sp. strain PCC 7120.Semantic proximity Read ↗

Phenotypic Assessment Suggests Multiple Start Codons for HetN, an Inhibitor of Heterocyst Differentiation, in Anabaena sp. Strain PCC 7120.Semantic proximity Read ↗

Different functions of HetR, a master regulator of heterocyst differentiation in Anabaena sp. PCC 7120, can be separated by mutation.Semantic proximity Read ↗

Functional Overlap of hetP and hetZ in Regulation of Heterocyst Differentiation in Anabaena sp. Strain PCC 7120.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 ↗

Identification of a gene regulated by HetR, a master regulator of heterocyst differentiation, in the non-heterocyst-forming filamentous cyanobacterium Arthrospira platensis NIES-39.Semantic proximity Read ↗

HetF and PatA control levels of HetR in Anabaena sp. strain PCC 7120.Semantic proximity Read ↗

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 ↗

NtcA-regulated heterocyst differentiation genes hetC and devB from Anabaena sp. strain PCC 7120 exhibit a similar tandem promoter arrangement.Semantic proximity Read ↗

Mutual regulation of ntcA and hetR during heterocyst differentiation requires two similar PP2C-type protein phosphatases, PrpJ1 and PrpJ2, in Anabaena sp. strain PCC 7120.Semantic proximity Read ↗

Heterocyst-specific expression of patB, a gene required for nitrogen fixation in Anabaena sp. strain PCC 7120.Semantic proximity Read ↗

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