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A membrane-associated Mn-superoxide dismutase protects the photosynthetic apparatus and nitrogenase from oxidative damage in the Cyanobacterium Anabaena sp. PCC 7120.

Plant & cell physiology - 1 Apr 2007

Zhao Weixing, Guo Qinxi, Zhao Jindong

Abstract excerpt

We investigated the functions of a membrane-associated manganese superoxide dismutase (MnSOD) of the heterocystous cyanobacterium Anabaena sp. PCC 7120. The gene sodA encoding MnSOD was inactivated by interposon mutagenesis and it was confirmed by Southern hybridization and immunoblotting. The strain A17, lacking sodA, grew more slowly than the wild type, and the difference in growth rates between the two strains...

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Identifiers

PMID: 17307750
DOI: 10.1093/pcp/pcm025

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

Source receipt: pubmed, retrieved 7 Sept 2026.

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