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Genetics of Abiotic Stress Tolerance in Plants Volume II
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Genetics of Abiotic Stress Tolerance in Plants Volume II

A special issue of Genes (ISSN 2073-4425). This special issue belongs to the section "Plant Genetics and Genomics".

Deadline for manuscript submissions: closed (20 June 2024) | Viewed by 2667

Special Issue Editors

Prof. Dr. Sheng Zhang

E-Mail Website
Guest Editor
College of Life Sciences, Sichuan University, Chengdu 610017, China
Interests: drought; nutrient deficiency; transgenic plants; proteomics
Special Issues, Collections and Topics in MDPI journals
Dr. Zhibin Liu

E-Mail Website
Guest Editor
College of Life Sciences, Sichuan University, Chengdu 610017, China
Interests: ABA; genetic engineering; fruit trees; protein post-translational modifications
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Abiotic stress includes drought, high temperatures, low temperatures, nutrient deficiency, UV-B, salt, and so on. To cope with these stresses, plants have evolved a series of adaption strategies which allow them to survive. During these processes, plants undergo physiological, biochemical, and gene expression changes. However, our understanding of their genetic mechanisms remains incomplete.

The present Special Issue presents analyses of plant genetic mechanisms responding to abiotic stresses. It includes but is not limited to the topics of plant physiological, multi-omics, transgenic, genetic, and epigenetic technologies. We welcome both reviews and original research articles. For further information about the scope of this Special Issue and preferred manuscript topics, please feel free to contact the Guest Editors.

Prof. Dr. Sheng Zhang
Dr. Zhibin Liu
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. Genes is an international peer-reviewed open access monthly 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 2600 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

  • multi-omics
  • gene expression
  • abiotic stress
  • tolerant adaption
  • physiological responses
  • plant

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Published Papers (2 papers)

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Research

16 pages, 49179 KiB  
Article
Genome-Wide Identification and Expression Pattern Analysis of GATA Gene Family in Orchidaceae
by Qinyao Zheng, Ye Huang, Xin He, Meng-Meng Zhang and Zhong-Jian Liu
Genes 2024, 15(7), 915; https://doi.org/10.3390/genes15070915 - 13 Jul 2024
Viewed by 935
Abstract
The GATA transcription factors play crucial roles in plant growth, development, and responses to environmental stress. Despite extensive studies of GATA genes in many plants, their specific functions and mechanisms in orchids remain unexplored. In our study, a total of 149 GATA genes [...] Read more.
The GATA transcription factors play crucial roles in plant growth, development, and responses to environmental stress. Despite extensive studies of GATA genes in many plants, their specific functions and mechanisms in orchids remain unexplored. In our study, a total of 149 GATA genes were identified in the genomes of seven sequenced orchid species (20 PeqGATAs, 23 CgGATAs, 24 CeGATAs, 23 DcaGATAs, 20 DchGATAs, 27 DnoGATAs, and 12 GelGATAs), classified into four subfamilies. Subfamily I typically contains genes with two exons, while subfamily II contains genes with two or three exons. Most members of subfamilies III and IV have seven or eight exons, with longer introns compared to subfamilies I and II. In total, 24 pairs (CgGATAs–DchGATAs), 27 pairs (DchGATAs–DnoGATAs), and 14 pairs (DnoGATAs–GelGATAs) of collinear relationships were identified. Cis-acting elements in GATA promoters were mainly enriched in abscisic acid (ABA) response elements and methyl jasmonate (MeJA) elements. Expression patterns and RT-qPCR analysis revealed that GATAs are involved in the regulation of floral development in orchids. Furthermore, under high-temperature treatment, GL17420 showed an initial increase followed by a decrease, GL18180 and GL17341 exhibited a downregulation followed by upregulation and then a decrease, while GL30286 and GL20810 displayed an initial increase followed by slight inhibition and then another increase, indicating diverse regulatory mechanisms of different GATA genes under heat stress. This study explores the function of GATA genes in orchids, providing a theoretical basis and potential genetic resources for orchid breeding and stress resistance improvement. Full article
(This article belongs to the Special Issue Genetics of Abiotic Stress Tolerance in Plants Volume II)
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16 pages, 2601 KiB  
Article
Proteomic Analysis of Lysine Acetylation and Succinylation to Investigate the Pathogenicity of Virulent Pseudomonas syringae pv. tomato DC3000 and Avirulent Line Pseudomonas syringae pv. tomato DC3000 avrRpm1 on Arabidopsis thaliana
by Yongqiang Ding, Yangxuan Liu, Kexin Yang, Yiran Zhao, Chun Wen, Yi Yang and Wei Zhang
Genes 2024, 15(4), 499; https://doi.org/10.3390/genes15040499 - 16 Apr 2024
Viewed by 1418
Abstract
Pseudomonas syringae pv. tomato DC3000 (Pst DC3000) is able to infect many economically important crops and thus causes substantial losses in the global agricultural economy. Pst DC3000 can be divided into virulent lines and avirulent lines. For instance, the pathogen effector avrRPM1 [...] Read more.
Pseudomonas syringae pv. tomato DC3000 (Pst DC3000) is able to infect many economically important crops and thus causes substantial losses in the global agricultural economy. Pst DC3000 can be divided into virulent lines and avirulent lines. For instance, the pathogen effector avrRPM1 of avirulent line Pst-avrRpm1 (Pst DC3000 avrRpm1) can be recognized and detoxified by the plant. To further compare the pathogenicity mechanisms of virulent and avirulent Pst DC3000, a comprehensive analysis of the acetylome and succinylome in Arabidopsis thaliana was conducted following infection with virulent line Pst DC3000 and avirulent line Pst-avrRpm1. In this study, a total of 1625 acetylated proteins encompassing 3423 distinct acetylation sites were successfully identified. Additionally, 229 succinylated proteins with 527 unique succinylation sites were detected. A comparison of these modification profiles between plants infected with Pst DC3000 and Pst-avrRpm1 revealed significant differences. Specifically, modification sites demonstrated inconsistencies, with a variance of up to 10% compared to the control group. Moreover, lysine acetylation (Kac) and lysine succinylation (Ksu) displayed distinct preferences in their modification patterns. Lysine acetylation is observed to exhibit a tendency towards up-regulation in Arabidopsis infected with Pst-avrRpm1. Conversely, the disparity in the number of Ksu up-regulated and down-regulated sites was not as pronounced. Motif enrichment analysis disclosed that acetylation modification sequences are relatively conserved, and regions rich in polar acidic/basic and non-polar hydrophobic amino acids are hotspots for acetylation modifications. Functional enrichment analysis indicated that the differentially modified proteins are primarily enriched in the photosynthesis pathway, particularly in relation to light-capturing proteins. In conclusion, this study provides an insightful profile of the lysine acetylome and succinylome in A. thaliana infected with virulent and avirulent lines of Pst DC3000. Our findings revealed the potential impact of these post-translational modifications (PTMs) on the physiological functions of the host plant during pathogen infection. This study offers valuable insights into the complex interactions between plant pathogens and their hosts, laying the groundwork for future research on disease resistance and pathogenesis mechanisms. Full article
(This article belongs to the Special Issue Genetics of Abiotic Stress Tolerance in Plants Volume II)
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