Ultrafast multi-pulse transient absorption spectroscopy of fucoxanthin chlorophyll a protein from Phaeodactylum tricornutum

We have applied femtosecond transient absorption spectroscopy in pump-probe and pump-dump-probe regimes to study energy transfer between fucoxanthin and Chl a in fucoxanthin-Chl a complex from the pennate diatom Phaeodactylum tricornutum. Experiments were carried out at room temperature and 77 K to...

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Bibliographic Details
Published in:Biochimica et biophysica acta. Bioenergetics 2018-05, Vol.1859 (5), p.357-365
Main Authors: West, Robert G., Bína, David, Fuciman, Marcel, Kuznetsova, Valentyna, Litvín, Radek, Polívka, Tomáš
Format: Article
Language:English
Subjects:
Carotenoids
Chlorophyll - chemistry
Diatoms - chemistry
Energy transfer
Fucoxanthin-chlorophyll protein
Light-harvesting
Spectrophotometry, Atomic
Ultrafast spectroscopy
Xanthophylls - chemistry
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Summary:We have applied femtosecond transient absorption spectroscopy in pump-probe and pump-dump-probe regimes to study energy transfer between fucoxanthin and Chl a in fucoxanthin-Chl a complex from the pennate diatom Phaeodactylum tricornutum. Experiments were carried out at room temperature and 77 K to reveal temperature dependence of energy transfer. At both temperatures, the ultrafast (
ISSN:0005-2728
1879-2650
DOI:10.1016/j.bbabio.2018.02.011