Publication: The mode of cytokinin functions assisting plant adaptations to osmotic stresses
Issued Date
2019-12-01
Resource Type
ISSN
22237747
Other identifier(s)
2-s2.0-85075663782
Rights
Mahidol University
Rights Holder(s)
SCOPUS
Bibliographic Citation
Plants. Vol.8, No.12 (2019)
Suggested Citation
Ranjit Singh Gujjar, Kanyaratt Supaibulwatana The mode of cytokinin functions assisting plant adaptations to osmotic stresses. Plants. Vol.8, No.12 (2019). doi:10.3390/plants8120542 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/49698
Research Projects
Organizational Units
Authors
Journal Issue
Thesis
Title
The mode of cytokinin functions assisting plant adaptations to osmotic stresses
Author(s)
Other Contributor(s)
Abstract
© 2019 by the authors. Licensee MDPI, Basel, Switzerland. T. Plants respond to abiotic stresses by activating a specific genetic program that supports survival by developing robust adaptive mechanisms. This leads to accelerated senescence and reduced growth, resulting in negative agro-economic impacts on crop productivity. Cytokinins (CKs) customarily regulate various biological processes in plants, including growth and development. In recent years, cytokinins have been implicated in adaptations to osmotic stresses with improved plant growth and yield. Endogenous CK content under osmotic stresses can be enhanced either by transforming plants with a bacterial isopentenyl transferase (IPT) gene under the control of a stress inducible promoter or by exogenous application of synthetic CKs. CKs counteract osmotic stress-induced premature senescence by redistributing soluble sugars and inhibiting the expression of senescence-associated genes. Elevated CK contents under osmotic stress antagonize abscisic acid (ABA) signaling and ABA mediated responses, delay leaf senescence, reduce reactive oxygen species (ROS) damage and lipid peroxidation, improve plant growth, and ameliorate osmotic stress adaptability in plants.