Gas Signaling Molecules in Plants under Abiotic Stresses

Submission Deadline: 31 August 2022 (closed)

Guest Editors

Dr. Weibiao Liao, Gansu Agricultural University, China
Dr. Juan Carlos Begara Morales, University of Jaén, Spain
Dr. Agepati S. Raghavendra, University of Hyderabad, India
Dr. Yongbo Liu, Chinese Research Academy of Environmental Science, China


For a long period of time, gaseous such as carbon monoxide (CO), hydrogen gas (H2), methane (CH4) and hydrogen sulfide (H2S) were only considered to have highly noxious effects on animals or plants. However, the decade of the 2000s brought further landmarks to the field, including a beneficial role of these gaseous. Since then, we have learned that these gaseous have emerged as signaling molecules in plants under normal and stress conditions. Furthermore, a moderate concentration of these gas signaling molecules (GCMs) can take part in a wide range of important plant developmental and physiological processes, including seed germination, cell division and differentiation, root growth and development, stomatal movement, etc. Meanwhile, these molecules also appear to regulate plant resistance to various plant stresses that include salt, drought, extreme temperature, heavy metal, ultraviolet radiation stress. Generally, abiotic stresses often result in the oxidative stress and reactive oxygen species overproduction, which can be inhibited by GCMs. Additionally, numbers of studies have shown that the signal transduction of these multitasked GCMs is rather complex, which usually does not operate as the linear pathways but that extensive cross-talk occurs between various signal transduction. Clearly, a rich area for future investigations remains.


This Special Issue aims to focus on the roles of gas signaling molecules in plant growth and development, and plants challenged by diverse abiotic stress responses. We address request how the gas signaling molecules functions as crucial regulator during plant growth, development and stress responses, and how these molecules interplay with each other.


Gas Signaling Molecules; Growth; Development; Plant Stress Response; Interaction

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