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Transcriptomic analysis of cyanobacterial alkane production

ABSTRACT: To identify transcriptional adaptations associated with increased alkane production in Nostoc punctiforme, we performed comparative transcriptomic analysis of an alkane overproduction strain. RNA-seq data identified a large number of highly up-regulated genes in the overproduction strain potentially involved in rRNA processing, mycosporine-glycine production, and synthesis of non-ribosomal peptides including nostopeptolide A. Other up-regulated genes encoding helical carotenoid proteins, stress-induced proteins, and those for microviridin synthesis were also up-regulated. The presence of several up-regulated genes or operons on multi-copy plasmids resulted in reduced alkane production, indicating possible targets for mutagenesis that might limit lipid droplet and alkane production.

ORGANISM(S): Nostoc punctiforme PCC 73102

PROVIDER: GSE140625 | GEO | 2019/11/19

REPOSITORIES: GEO

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