Physiological and Molecular Mechanisms of Plant Responses to Abiotic Stress
A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Physiology and Metabolism".
Deadline for manuscript submissions: closed (30 November 2022) | Viewed by 69564
Special Issue Editors
Interests: photosynthesis; photosynthetic membranes; abiotic stress factors; adaptation mechanisms of plants; pigments; exogenous application of protectants; signaling molecules; chlorophyll fluorescence; electron transport; oxygen evolution; heavy metals; phytoremediation
Special Issues, Collections and Topics in MDPI journals
Interests: plant ecophysiology; biotic stress; abiotic stress; photosynthesis; antioxidative mechanisms; photoprotective mechanisms; mineral nutrition; ROS
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
Abiotic stress is a major problem for agriculture, affecting growth and productivity of plants. Environmental stress factors such as: drought, salinity, low and high temperature, UV radiation and high light are the main reasons of reduction of crop yields and food production worldwide. Therefore, the study of the physiological and molecular mechanisms of plant responses to abiotic stress alone or in combination, as well as the searching for tolerant crop varieties is one of the most active research fields in the plant biology. Efforts are focused on the study of morphological, physiological, biochemical and molecular responses, as well as the mechanisms of plant protection against these stresses. As the photosynthesis is the main driving force for plant growth and crop yields, many studies investigate the stress responses of the photosynthetic apparatus. Photosynthesis is also the primary physiological process affected by abiotic stresses in all its phases. Under most abiotic stresses an increased production of reactive oxygen species (ROS) (1O2, O2• –, H2O2, OH•) occurs that can lead to oxidative stress. However, these oxidative signals that result from photosynthesis, not only provide cells with tools to monitor electron transport and thus prevent over-reduction or over-oxidation, but also produce redox regulatory networks that facilitate plants to sense and respond to abiotic stress conditions.
Under various stress factors, plants must adapt by adjusting their physiology mechanisms to these adverse conditions. All this requires a selection process and provide a great opportunity to find the appropriate combinations of genes and phenotypes that are tolerant to various environmental factors. Analyzing the effects of abiotic stress factors, alone or in combination, on different crops and/or their tolerant lines is extremely important for studying plant response mechanisms. This knowledge should help to develop sustainable and better adapted plant lines to stress conditions in a global warming and pollution scenario.
Research on all topics related to understanding the molecular mechanism of abiotic stress responses of crop plants, different cultivars, hybrids and genotypes will be welcomed.
Prof. Dr. Anelia Dobrikova
Prof. Dr. Michael Moustakas
Guest Editors
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Keywords
- abiotic stress responses
- drought
- salinity
- temperature stress
- UV and light stress
- heavy metals
- ROS
- acclimation mechanisms
- stress tolerance
- photosynthesis
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