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Molecular Research in Plant Adaptation to Abiotic Stress

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Plant Sciences".

Deadline for manuscript submissions: 20 September 2024 | Viewed by 759

Special Issue Editors


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Guest Editor
Department of Plant Molecular Physiology, Faculty of Biological Sciences, University of Wrocław, Kanonia 6/8, 50-328 Wrocław, Poland
Interests: plant physiology; membrane transport; proton pumps; abiotic stresses; signaling molecules; phytohormones

E-Mail Website
Guest Editor
Department of Plant Molecular Physiology, Faculty of Biological Sciences, University of Wrocław, Kanonia 6/8, 50-328 Wrocław, Poland
Interests: plant physiology; membrane transport; proton pumps; abiotic stresses; signaling molecules; phytohormones

Special Issue Information

Dear Colleagues,

Plants are constantly exposed to adverse environmental factors. In recent years, changes in temperature, periodic water deficits and increased salinity have occurred, impairing plants’ physiological processes and modifying their metabolism. To survive unfavorable conditions, plant cells activate various adaptive mechanisms. This activation includes the induction of signaling pathways and modifications at the gene expression level. Small gaseous molecules, such as NO and H2S, reactive oxygen species and phytohormones, may transmit signals from the environment to the cell and cellular compartments. For this reason, it is very important to understand their role in plants’ tolerance to climate changes. This could help create more resistant crop varieties or promote appropriate agricultural practices.

In this Special Issue, original studies on all aspects of plant adaptation to unfavorable climate changes are welcome, with particular attention on the role of signaling molecules, including NO, H2S, H2O2, GABA and phytohormones.

Dr. Małgorzata Janicka
Dr. Katarzyna Kabała
Guest Editors

Manuscript Submission Information

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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. International Journal of Molecular Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. There is an Article Processing Charge (APC) for publication in this open access journal. For details about the APC please see here. 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

  • NO
  • H2S
  • H2O2
  • GABA
  • phytohormones
  • salinity
  • high and low temperatures
  • dehydration
  • drought
  • oxidative stress

Published Papers (1 paper)

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10 pages, 4329 KiB  
Article
Moderate Salinity Stress Affects Rice Quality by Influencing Expression of Amylose- and Protein-Content-Associated Genes
by Chongke Zheng, Shulin Niu, Ying Yan, Guanhua Zhou, Yongbin Peng, Yanan He, Jinjun Zhou, Yaping Li and Xianzhi Xie
Int. J. Mol. Sci. 2024, 25(7), 4042; https://doi.org/10.3390/ijms25074042 - 05 Apr 2024
Viewed by 485
Abstract
Salinity is an environmental stress that severely impacts rice grain yield and quality. However, limited information is available on the molecular mechanism by which salinity reduces grain quality. In this study, we investigated the milling, appearance, eating and cooking, and nutritional quality among [...] Read more.
Salinity is an environmental stress that severely impacts rice grain yield and quality. However, limited information is available on the molecular mechanism by which salinity reduces grain quality. In this study, we investigated the milling, appearance, eating and cooking, and nutritional quality among three japonica rice cultivars grown either under moderate salinity with an electrical conductivity of 4 dS/m or under non-saline conditions in a paddy field in Dongying, Shandong, China. Moderate salinity affected rice appearance quality predominantly by increasing chalkiness rate and chalkiness degree and affected rice eating and cooking and nutritional quality predominantly by decreasing amylose content and increasing protein content. We compared the expression levels of genes determining grain chalkiness, amylose content, and protein content in developing seeds (0, 5, 10, 15, and 20 days after flowering) of plants grown under saline or non-saline conditions. The chalkiness-related gene Chalk5 was up-regulated and WHITE-CORE RATE 1 was repressed. The genes Nuclear factor Y and Wx, which determine amylose content, were downregulated, while protein-content-associated genes OsAAP6 and OsGluA2 were upregulated by salinity in the developing seeds. These findings suggest some target genes that may be utilized to improve the grain quality under salinity stress conditions via gene-pyramiding breeding approaches. Full article
(This article belongs to the Special Issue Molecular Research in Plant Adaptation to Abiotic Stress)
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