ArticleJournal of bacteriology2002
Newly identified cytochrome c oxidase operon in the nitrogen-fixing cyanobacterium Anabaena sp. strain PCC 7120 specifically induced in heterocysts.
Article in Journal of bacteriology, 2002. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed, 49 citations in OpenAlex.
- Regulatory systems for gene expression control in cyanobacteria.Applied microbiology and biotechnology · 2020Review
- Metalloproteins in the Biology of Heterocysts.Life (Basel, Switzerland) · 2019Review
- Article
- Regulation of Genes Involved in Heterocyst Differentiation in the Cyanobacterium Anabaena sp. Strain PCC 7120 by a Group 2 Sigma Factor SigC.Life (Basel, Switzerland) · 2015Article
- Heterocyst-specific flavodiiron protein Flv3B enables oxic diazotrophic growth of the filamentous cyanobacterium Anabaena sp. PCC 7120.Proceedings of the National Academy of Sciences of the United States of America · 2014Article
- Regulation of photosynthesis during heterocyst differentiation in Anabaena sp. strain PCC 7120 investigated in vivo at single-cell level by chlorophyll fluorescence kinetic microscopy.Photosynthesis research · 2013Article
- FraH is required for reorganization of intracellular membranes during heterocyst differentiation in Anabaena sp. strain PCC 7120.Journal of bacteriology · 2011Article
- Global transcription profiles of the nitrogen stress response resulting in heterocyst or hormogonium development in Nostoc punctiforme.Journal of bacteriology · 2011Article
- Adaptation to oxygen: role of terminal oxidases in photosynthesis initiation in the purple photosynthetic bacterium, Rubrivivax gelatinosus.The Journal of biological chemistry · 2010Article
- Cyanobacterial heterocysts.Cold Spring Harbor perspectives in biology · 2010Review
- Predicted glycosyl transferase genes located outside the HEP island are required for formation of heterocyst envelope polysaccharide in Anabaena sp. strain PCC 7120.Journal of bacteriology · 2007Article
- Heterocyst development and diazotrophic metabolism in terminal respiratory oxidase mutants of the cyanobacterium Anabaena sp. strain PCC 7120.Journal of bacteriology · 2007Article
- Regulation by hetC of genes required for heterocyst differentiation and cell division in Anabaena sp. strain PCC 7120.Journal of bacteriology · 2005Article
- PlmA, a new member of the GntR family, has plasmid maintenance functions in Anabaena sp. strain PCC 7120.Journal of bacteriology · 2003Article
- Heterocyst-specific expression of patB, a gene required for nitrogen fixation in Anabaena sp. strain PCC 7120.Journal of bacteriology · 2003Article
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2 authors at 1 institution in 1 country.
Funding
Abstract
Two operons have been cloned from Anabaena sp. strain PCC 7120 DNA, each of which encodes the three core subunits of distinct mitochondrial-type cytochrome c oxidases. The two operons are only 72 to 85% similar to one another at the nucleotide level in the most conserved subunit. One of these, coxBACII, is induced >20-fold in the middle to late stages of heterocyst differentiation. Analysis of green fluorescent protein reporters indicates that this operon is expressed specifically in proheterocysts and heterocysts. The other operon, coxBACI, is induced only 2.5-fold following nitrogen step-down and is expressed in all cells. Surprisingly, a disruption mutant of coxAII, the gene encoding subunit I of the heterocyst-specific oxidase, grows normally in the absence of combined nitrogen. It is likely that coxBACI and/or two other putative terminal oxidases present in the Anabaena sp. strain PCC 7120 genome are able to compensate for the loss of the heterocyst-specific oxidase in providing ATP for nitrogen fixation and maintaining a low oxygen level in heterocysts.
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