Multifunctional Plant Efficiency Analyzer Mpea Used to Describe the Physiological States of the Photosynthetic Apparatus

Goltsev, Vasilij; Yordanov, Ivan; Gurmanova, Maria; Kouzmanova, Margarita; Dambov, Shteryan; Apostolova, Sonia; Savova, Gergana; Strasser, Reto J.

doi:10.22620/agrisci.2010.04.002

Cited by 3 publications

(1 citation statement)

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“…Additional PSII activity measurements were done using P700 oxidation kinetics as 820 nm reflectance changes with the method of 41 . P700 signal was recorded simultaneously with the chlorophyll fluorescence using a Multifunctional Plant Efficiency Analyser M-PEA (built by Hansatech Instrument Ltd., King’s Lynn, Norfolk, PE30 4NE, UK).…”

Section: Methodsmentioning

confidence: 99%

Two Quenchers Formed During Photodamage of Phostosystem II and The Role of One Quencher in Preemptive Photoprotection

Zavafer

Iermak

Cheah

et al. 2019

Sci Rep

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The quenching of chlorophyll fluorescence caused by photodamage of Photosystem II (qI) is a well recognized phenomenon, where the nature and physiological role of which are still debatable. Paradoxically, photodamage to the reaction centre of Photosystem II is supposed to be alleviated by excitation quenching mechanisms which manifest as fluorescence quenchers. Here we investigated the time course of PSII photodamage in vivo and in vitro and that of picosecond time-resolved chlorophyll fluorescence (quencher formation). Two long-lived fluorescence quenching processes during photodamage were observed and were formed at different speeds. The slow-developing quenching process exhibited a time course similar to that of the accumulation of photodamaged PSII, while the fast-developing process took place faster than the light-induced PSII damage. We attribute the slow process to the accumulation of photodamaged PSII and the fast process to an independent quenching mechanism that precedes PSII photodamage and that alleviates the inactivation of the PSII reaction centre.

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Section: Methodsmentioning

confidence: 99%

Two Quenchers Formed During Photodamage of Phostosystem II and The Role of One Quencher in Preemptive Photoprotection

Zavafer

Iermak

Cheah

et al. 2019

Sci Rep

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Fred Chow: the contributions of a quiet giant of photoinhibition and photoprotection

Zavafer

Campbell

2021

Funct. Plant Biol.

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Wah Soon (Fred) Chow has been a major contributor to photosynthesis research since the late 20th century. Fred, a quiet, gentle, smart and prolific writer, has contributed to our understanding of thylakoid structure, cyclic electron flow and the development of novel methods for phenotyping plants. However, a third of his productivity centres on the understanding of photoinhibition and photoprotection, which we honour herein. We give a brief biographical account of his academic trajectory, followed by a chronological and conceptual summary of his contributions to the field of photodamage and photoprotection. We thereby hope to introduce the work of Fred to young readers and non-experts in the field of photoinhibition.

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(Approval of the Bulgarian National Bank as a Central Bank)

Bojinov

2012

SSRN Journal

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Multifunctional Plant Efficiency Analyzer Mpea Used to Describe the Physiological States of the Photosynthetic Apparatus

Cited by 3 publications

References 0 publications

Two Quenchers Formed During Photodamage of Phostosystem II and The Role of One Quencher in Preemptive Photoprotection

Two Quenchers Formed During Photodamage of Phostosystem II and The Role of One Quencher in Preemptive Photoprotection

Fred Chow: the contributions of a quiet giant of photoinhibition and photoprotection

(Approval of the Bulgarian National Bank as a Central Bank)

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