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Plants
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Frontiers in Reproduction and Disease Resistance of Horticultural Plants
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Frontiers in Reproduction and Disease Resistance of Horticultural Plants

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Genetics, Genomics and Biotechnology".

Deadline for manuscript submissions: closed (20 November 2022) | Viewed by 3950

Special Issue Editors

Prof. Dr. Zhenxing Wang

E-Mail Website
Guest Editor
Key Laboratory of Biology of Ornamental Plants in East China, National Forestry and Grassland Administration, College of Horticulture, Nanjing Agricultural University, Nanjing 210095, China
Interests: epigenetic regulation of sexual reproduction and viral responses in ornamental plants
Prof. Dr. Bruno Mezzetti

grade E-Mail Website
Guest Editor
Department of Agricultural, Food and Environmental Sciences, Università Politecnica delle Marche, 60131 Ancona, Italy
Interests: berries breeding; biotechnological approaches for the genetic improvement; fruit tree crops; cisgenesis and RNAi disease resistance; fruit quality and nutritional profile
Special Issues, Collections and Topics in MDPI journals
Dr. Ye Liu

E-Mail Website
Guest Editor
Key Laboratory of Biology of Ornamental Plants in East China, National Forestry and Grassland Administration, College of Horticulture, Nanjing Agricultural University, Nanjing 210095, China
Interests: interaction between ornamental plant and pathogen; defense mechanism of ornamental plants against pathogens; disease-resistance breeding of ornamental plants

Special Issue Information

Dear Colleagues,

Horticultural plants accompany human beings daily, offering fibers, vitamins, and other different kinds of nutrients in our diet, as well as decorating our surroundings with a tremendous variety of colors and shapes. To face the need of horticultural products with the increasing worldwide population and demand for higher quality, knowledge which improves breeding is imperative. As essential parts of the field, understanding the underlying mechanisms of reproduction and disease resistance would facilitate the germplasm enhancement of horticultural plants.

In this Special Issue of Plants, we will highlight contributions discussing plant and pathogen interaction, defense response, resistance mechanism and breeding, sterility and fertility, hybridization barriers and the reproduction development of horticultural plants, among other related topics.

Prof. Dr. Zhenxing Wang
Prof. Dr. Bruno Mezzetti
Dr. Ye 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. 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

  • plant and pathogen interaction
  • resistance mechanism
  • defense response
  • resistance breeding
  • sterility and fertility
  • reproduction development
  • hybridization barriers

Published Papers (2 papers)

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Research

18 pages, 3122 KiB  
Article
The S-Gene YUC6 Pleiotropically Determines Male Mating Type and Pollen Size in Heterostylous Turnera (Passifloraceae): A Novel Neofunctionalization of the YUCCA Gene Family
by Paige M. Henning, Joel S. Shore and Andrew G. McCubbin
Plants 2022, 11(19), 2640; https://doi.org/10.3390/plants11192640 - 08 Oct 2022
Cited by 3 | Viewed by 1548
Abstract
In heterostylous, self-incompatible Turnera species, a member of the YUCCA gene family, YUC6, resides at the S-locus and has been hypothesized to determine the male mating type. YUCCA gene family members synthesize the auxin, indole-3-acetic acid, via a two-step process involving [...] Read more.
In heterostylous, self-incompatible Turnera species, a member of the YUCCA gene family, YUC6, resides at the S-locus and has been hypothesized to determine the male mating type. YUCCA gene family members synthesize the auxin, indole-3-acetic acid, via a two-step process involving the TAA gene family. Consequently, it has been speculated that differences in auxin concentration in developing anthers are the biochemical basis underlying the male mating type. Here, we provide empirical evidence that supports this hypothesis. Using a transgenic knockdown approach, we show that YUC6 acts pleiotropically to control both the male physiological mating type and pollen size, but not the filament length dimorphism associated with heterostyly in Turnera. Using qPCR to assess YUC6 expression in different transgenic lines, we demonstrate that the level of YUC6 knockdown correlates with the degree of change observed in the male mating type. Further assessment of YUC6 expression through anther development, in the knockdown lines, suggests that the male mating type is irreversibly determined during a specific developmental window prior to microsporogenesis, which is consistent with the genetically sporophytic nature of this self-incompatibility system. These results represent the first gene controlling male mating type to be characterized in any species with heterostyly. Full article
(This article belongs to the Special Issue Frontiers in Reproduction and Disease Resistance of Horticultural Plants)
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26 pages, 7233 KiB  
Article
A Comprehensive Study of the WRKY Transcription Factor Family in Strawberry
by José Garrido-Gala, José-Javier Higuera, Antonio Rodríguez-Franco, Juan Muñoz-Blanco, Francisco Amil-Ruiz and José L. Caballero
Plants 2022, 11(12), 1585; https://doi.org/10.3390/plants11121585 - 15 Jun 2022
Cited by 5 | Viewed by 1826
Abstract
WRKY transcription factors play critical roles in plant growth and development or stress responses. Using up-to-date genomic data, a total of 64 and 257 WRKY genes have been identified in the diploid woodland strawberry, Fragaria vesca, and the more complex allo-octoploid commercial [...] Read more.
WRKY transcription factors play critical roles in plant growth and development or stress responses. Using up-to-date genomic data, a total of 64 and 257 WRKY genes have been identified in the diploid woodland strawberry, Fragaria vesca, and the more complex allo-octoploid commercial strawberry, Fragaria × ananassa cv. Camarosa, respectively. The completeness of the new genomes and annotations has enabled us to perform a more detailed evolutionary and functional study of the strawberry WRKY family members, particularly in the case of the cultivated hybrid, in which homoeologous and paralogous FaWRKY genes have been characterized. Analysis of the available expression profiles has revealed that many strawberry WRKY genes show preferential or tissue-specific expression. Furthermore, significant differential expression of several FaWRKY genes has been clearly detected in fruit receptacles and achenes during the ripening process and pathogen challenged, supporting a precise functional role of these strawberry genes in such processes. Further, an extensive analysis of predicted development, stress and hormone-responsive cis-acting elements in the strawberry WRKY family is shown. Our results provide a deeper and more comprehensive knowledge of the WRKY gene family in strawberry. Full article
(This article belongs to the Special Issue Frontiers in Reproduction and Disease Resistance of Horticultural Plants)
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