Article ; Online: Oscillations of chlorophyll fluorescence after plasma membrane excitation in Chara originate from nonuniform composition of signaling metabolites in the streaming cytoplasm.
Biochimica et biophysica acta. Bioenergetics
2023 Volume 1865, Issue 1, Page(s) 149019
Abstract: Excitable cells of higher plants and characean algae respond to stressful stimuli by generating action potentials (AP) whose regulatory influence on chlorophyll (Chl) fluorescence and photosynthesis extends over tens of minutes. Unlike plant leaves where ...
Abstract | Excitable cells of higher plants and characean algae respond to stressful stimuli by generating action potentials (AP) whose regulatory influence on chlorophyll (Chl) fluorescence and photosynthesis extends over tens of minutes. Unlike plant leaves where the efficiency of photosystem II reaction (YII) undergoes a separate reversible depression after an individual AP, characean algae exhibit long-lasting oscillations of YII after firing AP, provided that Chl fluorescence is measured on microscopic cell regions. Internodal cells of charophytes feature an extremely fast cytoplasmic streaming that stops immediately during the spike and recovers within ~10 min after AP. In this study a possibility was examined that multiple oscillations of YII and Chl fluorescence parameters (F', F |
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MeSH term(s) | Chara ; Fluorescence ; Hydrogen-Ion Concentration ; Cytoplasm/metabolism ; Cell Membrane/metabolism ; Chlorophyll/metabolism |
Chemical Substances | Chlorophyll (1406-65-1) |
Language | English |
Publishing date | 2023-11-02 |
Publishing country | Netherlands |
Document type | Journal Article ; Research Support, Non-U.S. Gov't |
ZDB-ID | 60-7 |
ISSN | 1879-2650 ; 1879-2596 ; 1879-260X ; 1872-8006 ; 1879-2642 ; 1879-2618 ; 0006-3002 ; 0005-2728 ; 0005-2736 ; 0304-4165 ; 0167-4838 ; 1388-1981 ; 0167-4889 ; 0167-4781 ; 0304-419X ; 1570-9639 ; 0925-4439 ; 1874-9399 |
ISSN (online) | 1879-2650 ; 1879-2596 ; 1879-260X ; 1872-8006 ; 1879-2642 ; 1879-2618 |
ISSN | 0006-3002 ; 0005-2728 ; 0005-2736 ; 0304-4165 ; 0167-4838 ; 1388-1981 ; 0167-4889 ; 0167-4781 ; 0304-419X ; 1570-9639 ; 0925-4439 ; 1874-9399 |
DOI | 10.1016/j.bbabio.2023.149019 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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