Crosstalk amongst phytohormones from planta and PGPR under biotic and abiotic stresses

Phytohormones are endogenously produced organic substances indispensable for regulating plant growth and yield and play major role in inducing tolerance to plants against various biotic and abiotic stresses

Naeem Khan; Asghari Bano; Shahid Ali; Md. Ali Babar

2020

Scholarcy highlights

  • Phytohormones are endogenously produced organic substances indispensable for regulating plant growth and yield and play major role in inducing tolerance to plants against various biotic and abiotic stresses
  • The convergence points among hormone signal transduction cascades are considered as cross-talk which are crucial for plant development as well as for plant responses to biotic and abiotic stresses
  • Hormones interact by activating either a second messenger or through a phosphorylation cascade. These transduction cascades lead to the regulation of gene expression that directly affects the biosynthesis or action of different hormones and developmental processes in coordination with multiple stimuli
  • This review is a compilation of the interactions between phytohormones and plant development
  • The role of plant growth promoting rhizobacteria will be evaluated under various environmental stresses with particular emphasis on phytohormone production and its interaction with host plant physiology
  • PGPR isolates from stressed soil/stressed host plants impart tolerance to plants against abiotic and biotic stresses by modulating the production of phytohormones and alteration in their sensitivity to respond
  • I testify on behalf of all co-authors that our article has not been published in whole or in part elsewhere; the manuscript is not currently being considered for publication in another journal and all authors have been personally and actively involved in substantive work leading to the manuscript

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