Hypoxia Sensing, Signaling and Parsing in Plants
A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Response to Abiotic Stress and Climate Change".
Deadline for manuscript submissions: closed (20 April 2023) | Viewed by 268
Special Issue Editors
Interests: barley breeding; abiotic stress; gene mapping
Special Issues, Collections and Topics in MDPI journals
Interests: molecular genetics; marker-assisted breeding; agronomic traits; barley
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
A recent climate model predicts that global climate change is expected to increase the frequency and severity of flooding events in many regions worldwide, resulting in substantial crop yield losses and jeopardizing food security. Greater and more consistent crop production must be achieved against a backdrop of climatic stress, since the current trajectory for crop yields is insufficient to nourish the world’s population by 2050. A key step in resolving this problem and creating stress-tolerant cultivars is obtaining an understanding of the mechanisms by which plants sense low-oxygen stress and transmit signals in flooding stress.
Soil flooding depletes the available oxygen (hypoxia), leading to inefficient anaerobic metabolism and energy starvation. Wetland plants have evolved the hormones ethylene and gibberellin to achieve submergence tolerance or escape in wetter world. Plants can rapidly detect submergence through passive ethylene entrapment and use this signal to pre-adapt to impending hypoxia. In addition, several Ca2+- and K+-permeable channels from KCO, AKT, and TPC families are speculated to operate in low-oxygen sensing in Arabidopsis. However, understanding how plants sense flooding, the signaling pathway, metabolically adjust to it and ultimately survive in hypoxic conditions still requires a great deal of exploration. This Special Issue of Plants will focus on diversified plant sensing and signaling responses under low-oxygen stress and will explore the diversity of plants to develop new knowledge of tolerance mechanisms.
Dr. Feifei Wang
Dr. Baojian Guo
Prof. Dr. Rugen Xu
Guest Editors
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Keywords
- flooding
- hypoxia
- waterlogging
- oxygen
- molecular sensing
- signal pathway
- metabolic adjustment
- tolerance mechanisms
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