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primary topic: Inter-subunit energy transfer processes in a minimal plant photosystem II supercomplex

Inter-subunit energy transfer processes in a minimal plant photosystem II supercomplex
type: AcademicArticle
type: Article
abstract: Photosystem II (PSII) is an integral part of the photosynthesis machinery, in which several light-harvesting complexes rely on inter-complex excitonic energy transfer (EET) processes to channel energy to the reaction center. In this paper, we report on a direct observation of the inter-complex EET in a minimal PSII supercomplex from plants, containing the trimeric light-harvesting complex II (LHCII), the monomeric light-harvesting complex CP26, and the monomeric PSII core complex. Using two-dimensional (2D) electronic spectroscopy, we measure an inter-complex EET timescale of 50 picoseconds for excitations from the LHCII-CP26 peripheral antenna to the PSII core. The 2D electronic spectra also reveal that the transfer timescale is nearly constant over the pump spectrum of 600 to 700 nanometers. Structure-based calculations reveal the contribution of each antenna complex to the measured inter-complex EET time. These results provide a step in elucidating the full inter-complex energy transfer network of the PSII machinery.
date: 2024
volume: 10
issue: 8
is part of: SCIENCE ADVANCES
status: peerReviewed
status: published
author list: authors
type: EPrint
type: ArticleEPrint
is part of: repository
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subject: Q1 Science (General) / természettudomány általában

Inter-subunit energy transfer processes in a minimal plant photosystem II supercomplex (Text)
type: Document
license: http://creativecommons.org/licenses/by/3.0/
has file: NguyenH_Inter-subunit.pdf
has part: NguyenH_Inter-subunit.pdf

SCIENCE ADVANCES
type: Collection
issn: 23752548

Hoang Long Nguyen
type: Person
given name: Hoang Long
family name: Nguyen

Stefano Caffarri
type: Person
given name: Stefano
family name: Caffarri

Parveen Akhtar
type: Person
given name: Parveen
family name: Akhtar

Kai Zhong
type: Person
given name: Kai
family name: Zhong

Thomas L. C. Jansen
type: Person
given name: Thomas L. C.
family name: Jansen

Petar Lambrev
type: Person
given name: Petar
family name: Lambrev

Thanh Nhut Do
type: Person
given name: Thanh Nhut
family name: Do

Howe-Siang Tan
type: Person
given name: Howe-Siang
family name: Tan

Jasper Knoester
type: Person
given name: Jasper
family name: Knoester

Növénybiológiai Intézet HRN SZBK NBI [1971-]
type: Organization

ELI-HU Kutatási és Fejlesztési Nonprofit Közhasznú Korlátolt Felelősségű Társaság SZTE [2010-]
type: Organization

Inter-subunit energy transfer processes in a minimal plant photosystem II supercomplex (Other)
type: Document
is version of: Inter-subunit energy transfer processes in a minimal plant photosystem II supercomplex (Text)
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Inter-subunit energy transfer processes in a minimal plant photosystem II supercomplex (Other)
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is version of: Inter-subunit energy transfer processes in a minimal plant photosystem II supercomplex (Text)
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Inter-subunit energy transfer processes in a minimal plant photosystem II supercomplex (Other)
type: Document
is version of: Inter-subunit energy transfer processes in a minimal plant photosystem II supercomplex (Text)
is volatile version of: Inter-subunit energy transfer processes in a minimal plant photosystem II supercomplex (Text)
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Inter-subunit energy transfer processes in a minimal plant photosystem II supercomplex (Other)
type: Document
is version of: Inter-subunit energy transfer processes in a minimal plant photosystem II supercomplex (Text)
is volatile version of: Inter-subunit energy transfer processes in a minimal plant photosystem II supercomplex (Text)
issmall thumbnail version of: Inter-subunit energy transfer processes in a minimal plant photosystem II supercomplex (Text)
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Inter-subunit energy transfer processes in a minimal plant photosystem II supercomplex (Other)
type: Document
is version of: Inter-subunit energy transfer processes in a minimal plant photosystem II supercomplex (Text)
is volatile version of: Inter-subunit energy transfer processes in a minimal plant photosystem II supercomplex (Text)
is index codes version of: Inter-subunit energy transfer processes in a minimal plant photosystem II supercomplex (Text)
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primary topic: Inter-subunit energy transfer processes in a minimal plant photosystem II supercomplex

Q1 Science (General) / természettudomány általában
type: Concept