Relevance of the chlorophyll phytyl chain on lamellar phase formation and organisation

被引:11
作者
Agostiano, A
Catucci, L
Colafemmina, G
Della Monica, M
Scheer, H
机构
[1] Univ Bari, Dipartimento Chim, I-70126 Bari, Italy
[2] CNR, Ctr Studi Chim Fis Sulla Interazione Luce Mat, I-70126 Bari, Italy
[3] Univ Munich, Inst Bot, D-80638 Munich, Germany
关键词
photosynthesis; membrane organisation; chlorophyll-protein;
D O I
10.1016/S0301-4622(00)00137-X
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
A series of modified chlorophylls (chlorophyll a, pyrochlorophyll a, Zn-pheophytin a and Zn-pheophorbide a) have been inserted into lamellar phases of sodium bis-(2-ethylhexyl)-sulfosuccinate (AOT). The role played by the different functional groups in affecting the bilayer formation and organisation has been investigated by means of the NMR quadrupolar splitting technique. Evidence is reported for the first time on the capacity of the phytyl chain of the chlorophylls to anchor the tetrapyrroles into the bilayer, favouring at the same time the regular formation of the lamellae. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:189 / 194
页数:6
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