The low-energy forms of photosystem I light-harvesting complexes: Spectroscopic properties and pigment-pigment interaction characteristics

R. Croce; A. Chojnicka; T. Morosinotto; J.A. Ihalainen; F. van Mourik; J.P. Dekker; R. Bassi; R. van Grondelle

doi:10.1529/biophysj.107.106955

The low-energy forms of photosystem I light-harvesting complexes: Spectroscopic properties and pigment-pigment interaction characteristics

R. Croce
, A. Chojnicka
, T. Morosinotto
, J.A. Ihalainen
, F. van Mourik
, J.P. Dekker
, R. Bassi
, R. van Grondelle

Biophysics Photosynthesis/Energy

Research output: Contribution to Journal › Article › Academic › peer-review

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Abstract

In this work the spectroscopic properties of the special low-energy absorption bands of the outer antenna complexes of higher plant Photosystem I have been investigated by means of low-temperature absorption, fluorescence, and fluorescence line-narrowing experiments. It was found that the red-most absorption bands of Lhca3, Lhca4, and Lhca1-4 peak, respectively, at 704, 708, and 709 nm and are responsible for 725-, 733-, and 732-nm fluorescence emission bands. These bands are more red shifted compared to "normal" chlorophyll a (Chl a) bands present in light-harvesting complexes. The low-energy forms are characterized by a very large bandwidth (400-450 cm

Original language	English
Pages (from-to)	2418-2428
Journal	Biophysical Journal
Volume	93
Issue number	7
DOIs	https://doi.org/10.1529/biophysj.107.106955
Publication status	Published - 2007

Bibliographical note

The low-energy forms of photosystem I light-harvesting complexes: Spectroscopic properties and pigment-pigment interaction characteristics

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This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 7 Affordable and Clean Energy

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10.1529/biophysj.107.106955

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AU - Croce, R.

AU - Chojnicka, A.

AU - Morosinotto, T.

AU - Ihalainen, J.A.

AU - van Mourik, F.

AU - Dekker, J.P.

AU - Bassi, R.

AU - van Grondelle, R.

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The low-energy forms of photosystem I light-harvesting complexes: Spectroscopic properties and pigment-pigment interaction characteristics

Abstract

Bibliographical note

UN SDGs

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