The Function of Protein Signal Pathways in the Regulation of Plant Growth and Stress

Dear Colleagues,

We would like to invite you to submit your latest research to this Special Issue of Plants. Minireviews are also welcome and the deadline for manuscript submissions is 30 June 2024.

Protein signal pathways play crucial roles in perceiving and regulating various aspects of plant growth and stress responses. These pathways involve complex interactions between proteins that transmit signals from the cell membrane to the nucleus, coordinating the plant's response to internal and external stimuli. They control diverse aspects of plant growth and development, cell division, differentiation, and morphogenesis, regulating leaf, root and shoot growth and development, flowering and fruit ripening. Signals from plant hormones are perceived by relevant receptors to influence seed germination, root elongation, flowering and fruit development. When plants encounter abiotic and biotic stresses such as drought, salinity, extreme temperatures, and pathogen attacks, stress and defence-related proteins, secondary metabolites and the induction of systemic acquired resistance in the related signalling pathways are triggered to protect the plant from further damage. Protein signal pathways are also involved in regulating gene expression by modulating transcription factors and other regulatory proteins, altering gene expression and affecting cellular processes, allowing the plant to adapt to environmental stress. It is also interesting that the crosstalk between different signalling pathways often occurs, resulting in overlapping responses to growth, development and environmental stresses. This could help plants prioritize survival strategies in adverse conditions, for example.

Understanding signalling pathways not only sheds light on the remarkable adaptability of plants, but also has practical implications for agriculture, as it can inform strategies for crop improvement, pest control and sustainable farming practices. Plant signalling remains a fascinating area of research, along with its vital role in shaping ecosystems and food production.

Dr. Baoxiu Qi
Dr. Rachael Symonds
Guest Editors

Manuscript Submission Information

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• protein signalling
• plant development
• plant hormones
• abiotic stress
• biotic stress