Abstract:
:We have identified hpm91, a Chlamydomonas mutant lacking Proton Gradient Regulation5 (PGR5) capable of producing hydrogen (H2 ) for 25 days with more than 30-fold yield increase compared to wild type. Thus, hpm91 displays a higher capacity of H2 production than a previously characterized pgr5 mutant. Physiological and biochemical characterization of hpm91 reveal that the prolonged H2 production is due to enhanced stability of PSII, which correlates with increased reactive oxygen species (ROS) scavenging capacity during sulfur deprivation. This anti-ROS response appears to protect the photosynthetic electron transport chain from photo-oxidative damage and thereby ensures electron supply to the hydrogenase.
journal_name
J Integr Plant Bioljournal_title
Journal of integrative plant biologyauthors
Chen M,Zhang J,Zhao L,Xing J,Peng L,Kuang T,Rochaix JD,Huang Fdoi
10.1111/jipb.12502subject
Has Abstractpub_date
2016-12-01 00:00:00pages
943-946issue
12eissn
1672-9072issn
1744-7909journal_volume
58pub_type
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