Brassinosteroid Signaling Pathways: Insights into Plant Responses under Abiotic Stress

Tanveer Alam Khan, Sajeesh Kappachery, Sameera Karumannil, Mohamed AlHosani, Nemah Almansoori, Hamda Almansoori, Mohammad Yusuf, Lam Son Phan Tran, Mayank Anand Gururani

Research output: Contribution to journalReview articlepeer-review

Abstract

With the growing global population, abiotic factors have emerged as a formidable threat to agricultural food production. If left unaddressed, these stress factors might reduce food yields by up to 25% by 2050. Plants utilize natural mechanisms, such as reactive oxygen species scavenging, to mitigate the adverse impacts of abiotic stressors. Diverse plants exhibit unique adaptations to abiotic stresses, which are regulated by phytohormones at various levels. Brassinosteroids (BRs) play a crucial role in controlling essential physiological processes in plants, including seed germination, xylem differentiation, and reproduction. The BR cascade serves as the mechanism through which plants respond to environmental stimuli, including drought and extreme temperatures. Despite two decades of research, the complex signaling of BRs under different stress conditions is still being elucidated. Manipulating BR signaling, biosynthesis, or perception holds promise for enhancing crop resilience. This review explores the role of BRs in signaling cascades and summarizes their substantial contribution to plants’ ability to withstand abiotic stresses.

Original languageEnglish
Article number17246
JournalInternational journal of molecular sciences
Volume24
Issue number24
DOIs
Publication statusPublished - Dec 2023

Keywords

  • abiotic stress
  • abscisic acid
  • brassinosteroids
  • ethylene
  • hydrogen peroxide
  • signaling pathway

ASJC Scopus subject areas

  • Catalysis
  • Molecular Biology
  • Spectroscopy
  • Computer Science Applications
  • Physical and Theoretical Chemistry
  • Organic Chemistry
  • Inorganic Chemistry

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