A Desaturase Gene Involved in the Formation of 1,14-nonadecadiene in Synechococcus Sp. Strain PCC 7002

Overview

Journal Appl Environ Microbiol

Specialties Environmental Health
Microbiology

Date 2014 Jul 27

PMID 25063658

Citations 7

Authors

Daniel Mendez-Perez

Nicolaus A Herman

Brian F Pfleger

Affiliations

Soon will be listed here.

Abstract

The marine cyanobacterium Synechococcus sp. strain PCC 7002 synthesizes two alkenes, 1-nonadecene and 1,14-nonadecadiene. Whereas the genetic basis for the biosynthesis of the terminal double bond in both alkenes has been characterized, the origin of the internal double bond in 1,14-nonadecadiene has not. In this study, we demonstrate that a gene encoding an uncharacterized desaturase is involved in the formation of the internal double bond of 1,14-nonadecadiene. Further, at low temperatures, the desaturase gene is essential for growth, and in wild-type cells the levels of 1,14-nonadecadiene increase relative to that of cells grown at 38°C. These data suggest that 1,14-nonadecadiene plays a role in responding to cold stress.

Citing Articles

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