A cyanobacterium that contains chlorophyll f - A red-absorbing photopigment

Min Chen*, Yaqiong Li, Debra Birch, Robert D. Willows

*Corresponding author for this work

Research output: Contribution to journalArticle

99 Citations (Scopus)

Abstract

A Chl f-containing filamentous cyanobacterium was purified from stromatolites and named as Halomicronema hongdechloris gen.; sp. nov. after its phylogenetic classification and the morphological characteristics. Hongdechloris contains four main carotenoids and two chlorophylls, a and f. The ratio of Chl f to Chl a is reversibly changed from 1:8 under red light to an undetectable level of Chl f under white-light culture conditions. Phycobiliproteins were induced under white light growth conditions. A fluorescence emission peak of 748 nm was identified as due to Chl f. The results suggest that Chl f is a red-light inducible chlorophyll.

Original languageEnglish
Pages (from-to)3249-3254
Number of pages6
JournalFEBS Letters
Volume586
Issue number19
DOIs
Publication statusPublished - 21 Sep 2012

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