Abstract
Halophytes are a group of specialized plants that have a remarkable ability to complete their life cycle in the saline environments by using many different survival strategies with a salt concentration higher than 200 mM. Over the past few years, studies on halophytes have been advanced to unveil their salt tolerance mechanism to understand their adaptive nature and survival strategies. Halophytic plants are evolved with a sophisticated mechanism to sense and respond to salt. Besides to sustain under the saline environments, plants either concentrate or excrete surplus toxic ions in the cells or outside the cells by a controlled mechanism. Also, it has been reported that several membrane transporters are involved in the ion homeostasis; this helps to maintain the cellular osmotic pressure during stress. However, those mechanisms operating under the salt stress could differ from species to species. This review has been aimed to unveil the recent advances in the cellular response of halophytes under salinity stress. We have discussed several mechanisms linked with cellular signaling pathways (Ca2+ and SOS signaling), such as generation and neutralization of reactive oxygen species, ion homeostasis, salt-responsive genes, and transcription factors.
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Saddhe, A.A., Jamdade, R.A., Gairola, S. (2020). Recent Advances on Cellular Signaling Paradigm and Salt Stress Responsive Genes in Halophytes. In: Grigore, MN. (eds) Handbook of Halophytes. Springer, Cham. https://doi.org/10.1007/978-3-030-17854-3_111-1
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