Improving Yield, Biomass, and Root Formation in Crop Plants under Drought Stress Conditions

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 (31 January 2022) | Viewed by 4065

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Research Scientist, Bavarian State Research Centre for Agriculture, Institute for Crop Science and Plant Breeding, 85354 Freising, Germany
Interests: QTL mapping; genome-wide association mapping; disease resistance and abiotic stress tolerance; wheat; barley; plant genetics; molecular breeding
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Leibniz Inst Plant Genet & Crop Plant Res, Mol Plant Nutr Grp Physiol & Cell Biol, Gatersleben, Germany
Interests: molecular plant physiology; molecular plant nutrition; plant metabolomics

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Instituto de Biología Molecular y Celular de Rosario (IBR-UNR/CONICET), Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario, Rosario S2002LRK, Argentina
Interests: cyanobacteria; microalgae; photosynthesis; chloroplastic redox state; plant biochemistry; plant biology
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

If current predictions indicating that the world’s population will rise to 9.4 billion by 2050 prove to be correct, a substantial increase in crop production will be required to meet the global demand for food. However, levels of crop productivity are unlikely to keep pace with this demand without technological interventions directed at enhancing photosynthetic efficiency and/or bolstering tolerance to abiotic stress. Drought poses a major constraint over crop productivity, both directly and through its aggravation of the impact of other stress factors, such as heat. Several biological means have evolved to tolerate short episodes of drought stress through biosynthesis of diverse metabolites essential for plant function, but these become ineffective when the duration of the stress is prolonged. Crop plants frequently encounter drought as transient or terminal stress, and indeed, terminal-drought stress is the most serious constraint to crop production worldwide. As a result of climate change, the global frequency and severity of drought events is likely to increase. A way to improve the drought tolerance of crop plants is to discover new tools and mechanisms that allow plants to continue to grow and maintain or increase yield, biomass, and root formations under water-limited growing conditions. This Special Issue of Plants will accept reviews and research articles with the scope on interdisciplinary approaches for improving plant productivity wherever drought represents a significant production constraint.

Dr. Fahimeh Shahinnia
Dr. Mohammad Reza Hajirezaei
Prof. Dr. Néstor Carrillo
Guest Editors

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Keywords

  • stress physiology
  • drought tolerance
  • genetic mechanisms
  • photosynthesis
  • morphological and quantitative traits
  • primary metabolites
  • transgenic plants
  • adaptation to stress
  • plant development

Published Papers (1 paper)

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Research

15 pages, 4344 KiB  
Communication
Transcriptomic and Proteomic Analysis of Drought Stress Response in Opium Poppy Plants during the First Week of Germination
by Kristýna Kundrátová, Martin Bartas, Petr Pečinka, Ondřej Hejna, Andrea Rychlá, Vladislav Čurn and Jiří Červeň
Plants 2021, 10(9), 1878; https://doi.org/10.3390/plants10091878 - 10 Sep 2021
Cited by 9 | Viewed by 2925
Abstract
Water deficiency is one of the most significant abiotic stresses that negatively affects growth and reduces crop yields worldwide. Most research is focused on model plants and/or crops which are most agriculturally important. In this research, drought stress was applied to two drought [...] Read more.
Water deficiency is one of the most significant abiotic stresses that negatively affects growth and reduces crop yields worldwide. Most research is focused on model plants and/or crops which are most agriculturally important. In this research, drought stress was applied to two drought stress contrasting varieties of Papaver somniferum (the opium poppy), a non-model plant species, during the first week of its germination, which differ in responses to drought stress. After sowing, the poppy seedlings were immediately subjected to drought stress for 7 days. We conducted a large-scale transcriptomic and proteomic analysis for drought stress response. At first, we found that the transcriptomic and proteomic profiles significantly differ. However, the most significant findings are the identification of key genes and proteins with significantly different expressions relating to drought stress, e.g., the heat-shock protein family, dehydration responsive element-binding transcription factors, ubiquitin E3 ligase, and others. In addition, metabolic pathway analysis showed that these genes and proteins were part of several biosynthetic pathways most significantly related to photosynthetic processes, and oxidative stress responses. A future study will focus on a detailed analysis of key genes and the development of selection markers for the determination of drought-resistant varieties and the breeding of new resistant lineages. Full article
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