NDLI: Evidence for dissociation of chlorophyll b from the main light-harvesting complex in the oligomerization state isolated from marine alga, Bryopsis corticulans.

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Evidence for dissociation of chlorophyll b from the main light-harvesting complex in the oligomerization state isolated from marine alga, Bryopsis corticulans.

Content Provider	Semantic Scholar
Author	Chen, Hui Shen, Shihua Liang, Yu Leng, Jing Ping Tang, Mingjuan Gong, Yandao
Copyright Year	2005
Abstract	We investigated the composition and organization of chlorophylls in monomers, trimers and oligomers (small aggregates) of the main light-harvesting complex (LHC II) isolated from marine alga, Bryopsis corticulans, using a combination of measurements with reversed-phase high performance liquid chromatography (RP-HPLC) and steady-state spectroscopy of absorption, circular dichroism (CD) and low temperature fluorescence. The composition and organization of the chlorophylls in monomeric and trimeric LHC II were essentially identical to those of LHC II from higher plants. For LHC II oligomers, a large decrease of chlorophyll (Chl) b absorption and of CD signals corresponding to Chl b was consistent with the quantitative analysis of Chl b by RP-HPLC, indicating that oligomerization of the LHC II proteins significantly influenced spectroscopic properties and led to the dissociation of Chl b molecules from LHC II. Our data strongly suggested that protein oligomerization constitutes a structural basis for the decrease of Chl b molecules in LHC II of B. corticulans. The LHC II of B. corticulans might play a photoprotective role with the reduction of the ability of light absorption via alteration of its own structural conformation.
File Format	PDF HTM / HTML
DOI	10.1016/j.bbabio.2004.12.001
PubMed reference number	15863095
Journal	Medline
Volume Number	1707
Issue Number	2-3
Alternate Webpage(s)	https://core.ac.uk/download/pdf/82318076.pdf
Alternate Webpage(s)	https://doi.org/10.1016/j.bbabio.2004.12.001
Journal	Biochimica et biophysica acta
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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