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Understanding Non-Photochemical Quenching Regulation in a Dynamic Environment.

Total Cost €


EC-Contrib. €






 UNREDE project word cloud

Explore the words cloud of the UNREDE project. It provides you a very rough idea of what is the project "UNREDE" about.

earth    signaling    organic    minutes    regulatory    photochemical    maximized    quenching    elicit    fixation    life    grow    involve    stress    protect    lhc    survive    trigger    dioxide    nature    species    photo    reactive    deficit    severe    alleviate    npq    critical    harsh    effect    strains    elucidate    environments    light    global    generation    harvesting    deprivation    components    catalyze    gene    chlorophylls    oxygen    characterization    regulation    suboptimal    explore    integrity    unable    strategies    apparatus    properly    tolerance    poorly    lhcsr    water    seconds    behave    excess    evolution    capture    chlamydomonas    predict    levels    capability    temperature    intensities    capacity    reinhardtii    algae    experimental    energy    efficiency    proteins    goals    absorption    model    molecules    complexes    photosynthesis    bound    mutant    photosynthetic    oxidative    damage    expression    dynamic    transcriptomic    vary    environment    pharmacological    circuits    atmospheric    nutrient    organism    exceeds    absorbed    relies    converts    mechanisms    timescale    carbon    organisms   

Project "UNREDE" data sheet

The following table provides information about the project.


Organization address
postcode: 14005

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country Spain [ES]
 Total cost 257˙191 €
 EC max contribution 257˙191 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2016
 Funding Scheme MSCA-IF-GF
 Starting year 2018
 Duration (year-month-day) from 2018-01-15   to  2021-01-14


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    UNIVERSIDAD DE CORDOBA ES (CORDOBA) coordinator 257˙191.00


 Project objective

Life on Earth relies on photosynthesis that converts water and carbon dioxide into organic molecules using absorbed light by chlorophylls bound to light harvesting complexes (LHC). During evolution, LHC have maximized the capability to capture light energy, allowing organisms to grow even in very low light environments. However, during nutrient deprivation or under high light conditions, when light absorption exceeds the capacity for carbon dioxide fixation, the excess absorbed energy can elicit the generation of reactive oxygen species that cause severe oxidative damage. Photosynthetic organisms have developed mechanisms of non-photochemical quenching (NPQ) that alleviate this photo-oxidative stress in the timescale of seconds to minutes. This NPQ is critical to protect the integrity of the photosynthetic apparatus, allowing the organisms to survive in a dynamic light and nutrient environment. In algae, LHCSR (LHC Stress Related) proteins catalyze NPQ, but their specific role and regulation are poorly understood. For this project, I will use the model organism Chlamydomonas reinhardtii in which two LHCSR proteins have been identified. My main goals will be (1) to characterize components involved in NPQ under conditions experienced in nature, where light intensities vary and nutrient conditions (C, N and S) are suboptimal, and (2) to explore regulatory circuits and signaling molecules that impact NPQ. The experimental approaches involve characterization of novel mutant strains unable to properly trigger NPQ, transcriptomic analysis to elucidate the effect of NPQ deficit on global gene expression and pharmacological approaches to explore the impact of different signaling molecules in NPQ. Understanding NPQ is essential to predict how photosynthetic organisms will behave with changes in atmospheric dioxide fixation levels, temperature and nutrient availability, but will also impact strategies for improving photosynthetic efficiency and tolerance to harsh conditions.


year authors and title journal last update
List of publications.
2019 Arthur Grossman, Emanuel Sanz-Luque, Heng Yi, Wenqiang Yang
Building the GreenCut2 suite of proteins to unmask photosynthetic function and regulation
published pages: 697-718, ISSN: 1350-0872, DOI: 10.1099/mic.0.000788
Microbiology 165/7 2020-04-07
2018 Emanuel Sanz-Luque, Amaury Montaigu
Phenol-based Extraction of RNA from Chlamydomonas reinhardtii
published pages: , ISSN: 2331-8325, DOI: 10.21769/bioprotoc.2910
BIO-PROTOCOL 8/13 2020-04-07

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