Water in the physiology of plant: thermodynamics and kinetic

Autor: Maurizio Cocucci
Jazyk: angličtina
Rok vydání: 2010
Předmět:
Zdroj: Italian Journal of Agronomy, Vol 1, Iss 3s (2010)
Druh dokumentu: article
ISSN: 1125-4718
2039-6805
DOI: 10.4081/ija.2006.s3.609
Popis: Molecular properties of water molecule determine its role in plant physiology. At molecular level the properties of water molecules determine the behaviour of other plant molecules; in particular its physic characteristics are important in the operativeness of macromolecules and in plant thermoregulation. Plant water supply primarily dependent on thermodynamics properties in particular water chemical potential and its components, more recently there are evidences that suggest an important role in the water kinetic characteristics, depending, at cell membrane level, in particular plasmalemma, on the presence of specific water channel, the aquaporines controlled in its activity by a number of physiological and biochemical factors. Thermodynamics and kinetic factors controlled by physiological, biochemical properties and molecular effectors, control water supply and level in plants to realize their survival, growth and differentiation and the consequent plant production.
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