Pigment-modified reaction centers of Chloroflexus aurantiacus: chemical exchange of bacteriopheophytins with plant-type pheophytins.
Bacteriopheophytins
Chloroflexus aurantiacus
Pigment replacement
Plant-type pheophytins
Reaction centers
Rhodobacter sphaeroides
Journal
Photosynthesis research
ISSN: 1573-5079
Titre abrégé: Photosynth Res
Pays: Netherlands
ID NLM: 100954728
Informations de publication
Date de publication:
Sep 2021
Sep 2021
Historique:
received:
30
04
2021
accepted:
06
06
2021
pubmed:
18
6
2021
medline:
17
11
2021
entrez:
17
6
2021
Statut:
ppublish
Résumé
The pigment composition of isolated reaction centers (RCs) of the green filamentous bacterium Chloroflexus (Cfl.) aurantiacus was changed by chemical exchange of native bacteriopheophytin a (BPheo) molecules with externally added pheophytin a (Pheo) or [3-acetyl]-Pheo upon incubation of RC/pheophytin mixtures at room temperature and 45 °C. The modified RCs were characterized by Vis/NIR absorption spectroscopy, and the effect of pigment exchange on RC photochemical activity was assessed by measuring the photoaccumulation of the reduced pigment at the binding site H
Identifiants
pubmed: 34138452
doi: 10.1007/s11120-021-00855-x
pii: 10.1007/s11120-021-00855-x
doi:
Substances chimiques
Pheophytins
0
Photosynthetic Reaction Center Complex Proteins
0
Types de publication
Comparative Study
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
313-328Informations de copyright
© 2021. The Author(s), under exclusive licence to Springer Nature B.V.
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