Explore the words cloud of the xFATE project. It provides you a very rough idea of what is the project "xFATE" about.
The following table provides information about the project.
|Coordinator Country||Netherlands [NL]|
|Total cost||165˙598 €|
|EC max contribution||165˙598 € (100%)|
1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
|Duration (year-month-day)||from 2018-03-01 to 2020-02-29|
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Plants use light energy to reduce carbon from CO2 to produce sugars. But what happens if too much light is absorbed? Part of the energy is thermally dissipated in a process called non-photochemical quenching; nevertheless excessive absorption inevitably leads to Photosystem II (PSII) damage and photoinhibition. This is followed by degradation and replacement of the reaction center core. Interestingly, photoinhibition is accompanied by a decrease in fluorescence yield, indicating an increase of thermal energy dissipation, leading to the proposal that it functions as a photoprotective mechanism. The molecular mechanism behind this energy dissipation is, however, unknown and the aim of this project is to determine the fate of excitons during photoinhibition. We plan to investigate two scenarios of photoinhibition: one in which the PSII centers are damaged and not degraded, and a second in which the PSII centers are damaged and subsequently degraded. We will use a hypothesis-driven approach for the first scenario and investigate whether the altered thermodynamics of the inhibited PSII can explain changes in fluorescence emission yield and kinetics. The second scenario explores the mechanism that dissipates excitation energy in the absence of the PSII core. Both situations will be probed using spectrally- and temporarily-resolved fluorescence and transient absorption spectroscopy combined with biochemical analyses. Finally, we will use single-molecule spectroscopy on isolated PSII to reveal heterogeneity of PSII damage during photoinhibition. Potentially unraveling new mechanisms of protection against excessive energy absorption, crucial in natural environments where photoinhibition occurs regularly, holds promises not only for our fundamental understanding of energy conversion, but also for future applications in algae and crop cultivation.
|year||authors and title||journal||last update|
Lijin Tian, Wojciech J. Nawrocki, Xin Liu, Iryna Polukhina, Ivo H. M. van Stokkum, Roberta Croce
pH dependence, kinetics and light-harvesting regulation of nonphotochemical quenching in Chlamydomonas
published pages: 8320-8325, ISSN: 0027-8424, DOI: 10.1073/pnas.1817796116
|Proceedings of the National Academy of Sciences 116/17||2020-04-01|
Wojciech J. Nawrocki, Xin Liu, Roberta Croce
Chlamydomonas reinhardtii Exhibits De Facto Constitutive NPQ Capacity in Physiologically Relevant Conditions
published pages: 472-479, ISSN: 0032-0889, DOI: 10.1104/pp.19.00658
|Plant Physiology 182/1||2020-04-01|
Lauren Nicol, Wojciech J. Nawrocki, Roberta Croce
Disentangling the sites of non-photochemical quenching in vascular plants
published pages: 1177-1183, ISSN: 2055-0278, DOI: 10.1038/s41477-019-0526-5
|Nature Plants 5/11||2020-04-01|
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The information about "XFATE" are provided by the European Opendata Portal: CORDIS opendata.
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