Long-term hyperthermia impairs activity of both photosystems

M. A. Kozuleva, E. A. Lysenko*, A. A. Klaus, V. V. Kuznetsov

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


This is the first study to perform a simultaneous analysis of the activity of photosystem 1 and photosystem 2 after long-term exposure to elevated temperature. It was found that the quantum yield of photochemical reactions decreases in both photosystems. It is shown that, in photosystem 2, the regulated nonphotochemical quenching decreases whereas the unregulated non-photochemical quenching increases. In photosystem 1, limitation on both acceptor and donor sides increases.

Original languageEnglish
Pages (from-to)71-73
Number of pages3
JournalDoklady Biochemistry and Biophysics
Issue number1
StatePublished - 1 Jan 2017
Externally publishedYes


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