NDLI: A Gene Island with Two Possible Configurations Is Involved in Chromatic Acclimation in Marine Synechococcus

Content Provider	PubMed Central
Author	Florian, Humily Frédéric, Partensky Six, Christophe Farrant, Gregory K. Morgane, Ratin Marie, Dominique Laurence, Garczarek
Editor	Francisco, Rodriguez-valera
Copyright Year	2013
Abstract	Synechococcus, the second most abundant oxygenic phototroph in the marine environment, harbors the largest pigment diversity known within a single genus of cyanobacteria, allowing it to exploit a wide range of light niches. Some strains are capable of Type IV chromatic acclimation (CA4), a process by which cells can match the phycobilin content of their phycobilisomes to the ambient light quality. Here, we performed extensive genomic comparisons to explore the diversity of this process within the marine Synechococcus radiation. A specific gene island was identified in all CA4-performing strains, containing two genes (fciA/b) coding for possible transcriptional regulators and one gene coding for a phycobilin lyase. However, two distinct configurations of this cluster were observed, depending on the lineage. CA4-A islands contain the mpeZ gene, encoding a recently characterized phycoerythrobilin lyase-isomerase, and a third, small, possible regulator called fciC. In CA4-B islands, the lyase gene encodes an uncharacterized relative of MpeZ, called MpeW. While mpeZ is expressed more in blue light than green light, this is the reverse for mpeW, although only small phenotypic differences were found among chromatic acclimaters possessing either CA4 island type. This study provides novel insights into understanding both diversity and evolution of the CA4 process.
Related Links	http://dx.doi.org/10.1371/journal.pone.0084459
Starting Page	84459
File Format	PDF
ISSN	19326203
e-ISSN	19326203
Journal	PLoS ONE
Issue Number	12
Volume Number	8
Language	English
Publisher	Public Library of Science
Publisher Date	2013-12-31
Access Restriction	Open
Rights Holder	Public Library of Science
Subject Keyword	Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Multidisciplinary

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Self-regulating genomic island encoding tandem regulators confers chromatic acclimation to marine Synechococcus

Phycoerythrin-specific bilin lyase–isomerase controls blue-green chromatic acclimation in marine Synechococcus

Differential acclimation kinetics of the two forms of type IV chromatic acclimaters occurring in marine Synechococcus cyanobacteria

Differential acclimation kinetics of the two forms of Type IV chromatic acclimaters occurring in marine Synechococcus cyanobacteria

Costs and Limitations of Marine Synechococcus Blue-Green Chromatic Acclimation

Phycoerythrin-specific bilin lyase-isomerase controls blue-green chromatic acclimation in marine Synechococcus.

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Role of a Microcin-C–like biosynthetic gene cluster in allelopathic interactions in marine Synechococcus

Green/red cyanobacteriochromes regulate complementary chromatic acclimation via a protochromic photocycle

A Gene Island with Two Possible Configurations Is Involved in Chromatic Acclimation in Marine Synechococcus

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