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Article

A polypeptide with similarity to phycocyanin alpha-subunit phycocyanobilin lyase involved in degradation of phycobilisomes.

Journal of bacteriology - 1 Jan 1999

Dolganov N, Grossman A R

Abstract excerpt

To optimize the utilization of photosynthate and avoid damage that can result from the absorption of excess excitation energy, photosynthetic organisms must rapidly modify the synthesis and activities of components of the photosynthetic apparatus in response to environmental cues. During nutrient-limited growth, cyanobacteria degrade their light-harvesting complex, the phycobilisome, and dramatically reduce the...

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Identifiers

PMID: 9882677
DOI: 10.1128/JB.181.2.610-617.1999
PMCID: PMC93417

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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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A polypeptide with similarity to phycocyanin alpha-subunit phycocyanobilin lyase involved in degradation of phycobilisomes.PMID 9882677Read ↗

Discovery of a small protein factor involved in the coordinated degradation of phycobilisomes in cyanobacteria.Semantic proximity Read ↗

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The proteolysis adaptor, NblA, is essential for degradation of the core pigment of the cyanobacterial light-harvesting complex.Semantic proximity Read ↗

NblA is essential for phycobilisome degradation in Anabaena sp. strain PCC 7120 but not for development of functional heterocysts.Semantic proximity Read ↗

Under light limiting growth, CpcB lyase null mutants of the Cyanobacterium Synechococcus sp. PCC 7002 are capable of producing pigmented beta phycocyanin but with altered chromophore function.Semantic proximity Read ↗

NblA, a key protein of phycobilisome degradation, interacts with ClpC, a HSP100 chaperone partner of a cyanobacterial Clp protease.Semantic proximity Read ↗

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CpeY is a phycoerythrobilin lyase for cysteine 82 of the phycoerythrin I α-subunit in marine Synechococcus.Semantic proximity Read ↗

Biogenesis of phycobiliproteins: I. cpcS-I and cpcU mutants of the cyanobacterium Synechococcus sp. PCC 7002 define a heterodimeric phyococyanobilin lyase specific for beta-phycocyanin and allophycocyanin subunits.Semantic proximity Read ↗

sll1961 is a novel regulator of phycobilisome degradation during nitrogen starvation in the cyanobacterium Synechocystis sp. PCC 6803.Semantic proximity Read ↗

A suppressor mutation in the alpha-phycocyanin gene in the light/glucose-sensitive phenotype of the psbK-disruptant of the cyanobacterium Synechocystis sp. PCC 6803.Semantic proximity Read ↗

Effects of modified Phycobilin biosynthesis in the Cyanobacterium Synechococcus sp. Strain PCC 7002.Semantic proximity Read ↗

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