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Plants
Special Issues
Plant Stress Responses in Photosynthesis
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Plant Stress Responses in Photosynthesis

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 March 2022) | Viewed by 4469

Special Issue Editors

Dr. Shigeto Morita

E-Mail Website
Guest Editor
Graduate School of Life and Environmental Sciences, Kyoto Prefectural University, Kyoto 606-8522, Japan
Interests: reactive oxygen species; oxidative stress; abiotic stress response; redox regulation; germination; seed storage proteins; rice
Prof. Dr. Chikahiro Miyake

E-Mail Website
Guest Editor
Department of Biology and Environment Science, Kobe University, 1-1 Rokkodai, Nada-Ku, Kobe 657-8501, Japan
Interests: oxygen; O2; reactive oxygen species (ROS); the water–water cycle; photosystem I; P700; P700 oxidation; Mehler reaction; superoxide; hydrogen peroxide; singlet oxygen; reduction-induced suppression of electron flow (RISE)
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues, 

Photosynthesis sustains most of the lives on Earth, including plants and animals. Global climate change brings about previously unexperienced extreme temperatures and enhances desertification in arid areas, which affect plant photosynthesis and threaten plant survival and crop production. In order to deal with this issue, it is critical to understand the response of photosynthesis to abiotic stresses such as high light, heat, cold, and drought. Under stressed and even non-stressed conditions, plants modulate the absorption, utilization, and dissipation of light energy in response to ever-changing environmental conditions in order to perform efficient carbon fixation and prevent photooxidative damages caused by excess excitation energy. Molecular genetics studies in model plants have elucidated the various regulatory mechanisms of electron transport systems for adjusting the balance of the two photosystems and dissipating the excess energy. The regulation of carbon fixation and related primary metabolism, which utilize the reducing power produced by the electron transport chain, are also important topics. In addition, the physiological responses of photosynthetic machinery and related metabolisms to field environmental conditions have been revealed in various species, including non-model and crop plants. In this Special Issue, original research papers and reviews are welcome that describe recent advances in stress response in photosynthesis in algae and higher plants with biochemical, molecular genetics, transcriptomics, proteomics, and physiological approaches.

Dr. Shigeto Morita
Prof. Dr. Chikahiro Miyake
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Plants is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • carbon fixation
  • electron transport
  • photoinhibition
  • reactive oxygen species
  • redox regulation
  • abiotic stress
  • acclimation
  • antioxidant defense
  • cold
  • drought
  • high light
  • heat
  • salinity

Published Papers (1 paper)

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Research

25 pages, 5486 KiB  
Article
Incorporated Biochar-Based Soil Amendment and Exogenous Glycine Betaine Foliar Application Ameliorate Rice (Oryza sativa L.) Tolerance and Resilience to Osmotic Stress
by Emad M. Hafez, Salah M. Gowayed, Yasser Nehela, Raghda M. Sakran, Asmaa M. S. Rady, Abdelmoniem Awadalla, Alaa El-Dein Omara and Bassam F. Alowaiesh
Plants 2021, 10(9), 1930; https://doi.org/10.3390/plants10091930 - 16 Sep 2021
Cited by 27 | Viewed by 3250
Abstract
Osmotic stress is a major physiologic dysfunction that alters the water movement across the cell membrane. Soil salinity and water stress are major causal factors of osmotic stress that severely affect agricultural productivity and sustainability. Herein, we suggested and evaluated the impact of [...] Read more.
Osmotic stress is a major physiologic dysfunction that alters the water movement across the cell membrane. Soil salinity and water stress are major causal factors of osmotic stress that severely affect agricultural productivity and sustainability. Herein, we suggested and evaluated the impact of integrated biochar-based soil amendment and exogenous glycine betaine application on the growth, physiology, productivity, grain quality, and osmotic stress tolerance of rice (Oryza sativa L., cv. Sakha 105) grown in salt-affected soil under three irrigation intervals (6, 9, or 12 days), as well as soil properties and nutrient uptake under field conditions during the 2019 and 2020 seasons. Our findings showed that dual application of biochar and glycine betaine (biochar + glycine betaine) reduced the soil pH, electrical conductivity, and exchangeable sodium percentage. However, it enhanced the K+ uptake which increased in the leaves of treated-rice plants. Additionally, biochar and glycine betaine supplementation enhanced the photosynthetic pigments (chlorophyll a, b, and carotenoids) and physiological attributes (net photosynthetic rate, stomatal conductance, relative water content, and electrolyte leakage) of osmotic-stressed rice plants. Biochar + glycine betaine altered the activity of antioxidant-related enzymes (catalase, ascorbate peroxide, and peroxidase). Moreover, it improved the yield components, biological yield, and harvest index, as well as the nutrient value of rice grains of osmotic-stressed rice plants. Collectively, these findings underline the potential application of biochar and glycine betaine as a sustainable eco-friendly strategy to improve plant resilience, not only rice, but other plant species in general and other cereal crops in particular, to abiotic stress, particularly those growing in salt-affected soil. Full article
(This article belongs to the Special Issue Plant Stress Responses in Photosynthesis)
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