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Genes
Special Issues
Seeds and Epigenetics
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Seeds and Epigenetics

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

Deadline for manuscript submissions: closed (30 June 2021) | Viewed by 6854

Special Issue Editors

Dr. Jerome Verdier

E-Mail Website
Guest Editor
INRAE, Research Institute in Horticulture and Seeds (IRHS), Angers, France
Interests: seed maturation; impact of biotic and abiotic stresses on seed qualities; seed genomics
Dr. John Harada

E-Mail Website
Guest Editor
Department of Plant Biology, College of Biological Sciences, University of California, Davis, CA 95616, USA
Interests: genomic; molecular; genetic; biochemical dissection of embryogenesis; seed development in plants
Dr. Huiming Zhang

E-Mail Website
Guest Editor
Shanghai Center for Plant Stress Biology, Chinese Academy of Sciences, Shanghai, China
Interests: epigenetics; plant interactions with rhizobacteria; plant growth regulation

Special Issue Information

Dear Colleagues,

The seed is an important plant organ that is of enormous economic significance for agriculture. The ploidy and origin of its three tissues (i.e., embryo, endosperm, and seed coat) differ, making seed development a unique and complex process with an important epigenetic regulatory component. Recently, with the rapid increase of knowledge regarding the epigenetic mechanisms in model species and with high-throughput technologies providing access to the nucleotide sequences of novel plant genomes, it is timely to propose this Special Issue containing state-of-the-art works to better understand how epigenetic regulation participates in seed development, maturation, and germination from developmental, environmental, and evolutionary perspectives.

Therefore, we are inviting authors to send review and original research articles on this specific topic before 30 June 2021. If you are interested, please send us a statement of intent with a short abstract as soon as possible. The complete Issue will be published in late 2021 (but  your article will be online shortly after it is accepted), and your article will be widely promoted online and at international conferences in order to guarantee the maximal visibility of your work.

Dr. Jerome Verdier
Dr. John Harada
Dr. Huiming Zhang
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

  • Seed
  • Epigenetics
  • Development
  • Stress
  • Adaptability
  • Embryogenesis
  • Maturation
  • Germination

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Published Papers (1 paper)

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Research

21 pages, 3869 KiB  
Article
Regulation of DNA (de)Methylation Positively Impacts Seed Germination during Seed Development under Heat Stress
by Jaiana Malabarba, David Windels, Wenjia Xu and Jerome Verdier
Genes 2021, 12(3), 457; https://doi.org/10.3390/genes12030457 - 23 Mar 2021
Cited by 35 | Viewed by 5993
Abstract
Seed development needs the coordination of multiple molecular mechanisms to promote correct tissue development, seed filling, and the acquisition of germination capacity, desiccation tolerance, longevity, and dormancy. Heat stress can negatively impact these processes and upon the increase of global mean temperatures, global [...] Read more.
Seed development needs the coordination of multiple molecular mechanisms to promote correct tissue development, seed filling, and the acquisition of germination capacity, desiccation tolerance, longevity, and dormancy. Heat stress can negatively impact these processes and upon the increase of global mean temperatures, global food security is threatened. Here, we explored the impact of heat stress on seed physiology, morphology, gene expression, and methylation on three stages of seed development. Notably, Arabidopsis Col-0 plants under heat stress presented a decrease in germination capacity as well as a decrease in longevity. We observed that upon mild stress, gene expression and DNA methylation were moderately affected. Nevertheless, upon severe heat stress during seed development, gene expression was intensively modified, promoting heat stress response mechanisms including the activation of the ABA pathway. By analyzing candidate epigenetic markers using the mutants’ physiological assays, we observed that the lack of DNA demethylation by the ROS1 gene impaired seed germination by affecting germination-related gene expression. On the other hand, we also observed that upon severe stress, a large proportion of differentially methylated regions (DMRs) were located in the promoters and gene sequences of germination-related genes. To conclude, our results indicate that DNA (de)methylation could be a key regulatory process to ensure proper seed germination of seeds produced under heat stress. Full article
(This article belongs to the Special Issue Seeds and Epigenetics)
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