Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/2067/45979
Titolo: What antarctic plants can tell us about climate changes: Temperature as a driver for metabolic reprogramming
Autori: Bertini, Laura 
Cozzolino, Flora
Proietti, Silvia 
Falconieri, Gaia Salvatore
Iacobucci, Ilaria
Salvia, Rosanna
Falabella, Patrizia
Monti, Maria
Caruso, Carla 
Data pubblicazione: 2021
Global warming is strongly affecting the maritime Antarctica climate and the consequent melting of perennial snow and ice covers resulted in increased colonization by plants. Colobanthus quitensis is a vascular plant highly adapted to the harsh environmental conditions of Antarctic Peninsula and understanding how the plant is responding to global warming is a new challenging target for modern cell physiology. To this aim, we performed differential proteomic analysis on C. quitensis plants grown in natural conditions compared to plants grown for one year inside open top chambers (OTCs) which determine an increase of about 4 °C at midday, mimicking the effect of global warming. A thorough analysis of the up and downregulated proteins highlighted an extensive metabolism reprogramming leading to enhanced photoprotection and oxidative stress control as well as reduced content of cell wall components. Overall, OTCs growth seems to be advantageous for C. quitensis plants which could benefit from a better CO2 diffusion into the mesophyll and a reduced ROS‐mediated photodamage.
URI: http://hdl.handle.net/2067/45979
ISSN: 2218-273X
DOI: 10.3390/biom11081094
Diritti: Attribution-ShareAlike 3.0 United States
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