New Insights into Photosystem I (Second Edition)
A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Plant Sciences".
Deadline for manuscript submissions: 20 December 2025 | Viewed by 1014
Special Issue Editors
Interests: biophysics; biochemistry; plant physiology; plant biology; plant biotechnology; plant environmental; stress physiology; fluorescence; abiotic stress tolerance; spectroscopy; absorption
Special Issues, Collections and Topics in MDPI journals
Interests: photosynthesis; absorption; Raman spectroscopy; electronic structure; spectrometry
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
Photosystem I is a large protein cofactor supercomplex fundamental component of the electron transport chain of oxygen-evolving photosynthetic organisms, and it can operate either in series with Photosystem II in the linear electron transport chain, or independently from Photosystem II in a cyclic transport. Photosystem I is known to operate with a photochemical quantum conversion yield close to the unit, which makes it an attractive system for the development of biological mimicking of artificial molecules and devices. In Photosystem I, two structurally symmetric electron transfer chains operate in electron transfer through the so-called bidirectional mechanism, which distinguishes it from both PSII and its homologue, the purple bacteria reaction centre. However, despite intense research over several decades, some of the key mechanisms concerning the primary photochemical conversion reactions, the energy of the successive electron transfer cascade, and the mechanisms controlling the functionality of the two active electron transfer branches are yet to be fully elucidated. Furthermore, the partners and mechanisms of cyclic electron transfer in the thylakoid membranes, and the physiological role of this transport mechanism, are yet to be fully established.
This Special Issue for IJMS aims to gather contributions aimed at improving the understanding of the molecular mechanism of light harvesting, photochemical energy conversion, electron transfer, and electron transport reaction involving Photosystem I.
Dr. Stefano Santabarbara
Prof. Dr. Gary Hastings
Guest Editors
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Keywords
- photosystem I
- photochemisty
- electron transfer
- protein–cofactor interaction
- reaction kinetics
- reaction mechanism
- redox tuning
- light harvesting
- low-energy (red) forms
- bioenergetics
- cyclic electron transfer
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