High photochemical trapping efficiency in Photosystem I from the red clade algae Chromera velia and Phaeodactylum tricornutum

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• 作者：Erica Belgio^a ; Stefano Santabarbara^b ; ^{stefano.santabarbara@cnr.it} ; David Bí ; na^c ; ^d ; Eli&scaron ; ka Trsková ; ^a ; ^d ; Miroslava Herbstová ; ^c ; ^d ; Radek Kaňa^a ; Giuseppe Zucchelli^b ; Ondřej Prá ; &scaron ; il^a ; ^d ; ^{prasil@alga.cz}
• 关键词：PSI ; Photosystem I ; LHC ; light harvesting complex ; Chl ; chlorophyll ; DAS ; Decay Associated Spectra ; τav ; (average) lifetime ; FWHM ; full width at half maximum
• 刊名：Biochimica et Biophysica Acta (BBA) - Bioenergetics
• 出版年：2017
• 出版时间：January 2017
• 年：2017
• 卷：1858
• 期：1
• 页码：56-63
• 全文大小：999 K
• 卷排序：1858

文摘

Red clade algae display one of the shortest fluorescence lifetimes (τav) so far reported for Photosystem I. Due to the limited presence of low energy chlorophyll forms, the τav is constant across the whole emission range. The estimated efficiency of both isolated Photosystem I complexes is > 98%. Scission of PsaA protein has no significant impact on the overall Photosystem I functionality.