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Horticultural Crop Improvement: A New Era for Plant Molecular Research...
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Horticultural Crop Improvement: A New Era for Plant Molecular Research 3.0

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: 30 July 2024 | Viewed by 1440

Special Issue Editors

Prof. Dr. Bo Sun

E-Mail Website
Guest Editor
College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China
Interests: brassica vegetables; Chinese kale; mustard; carotenoids; glucosinolate; antioxidants; nutritional quality; postharvest
Special Issues, Collections and Topics in MDPI journals
Dr. Pengxiang Fan

E-Mail Website
Guest Editor
College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, China
Interests: evolution of plant metabolic network; metabolic network reconstruction; biosynthesis of specialized metabolites; regulation of plant metabolism; plant-herbivore interaction; solanaceae; glandular trichome
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Horticultural plants are intensively cultivated crops with high economic value, such as tree fruits, vegetables, ornamental plants, and tea crops. The wide taxonomic distribution and sophisticated domestication history of horticultural crops have led to their highly diverse and complex genomes, which has caused challenges regarding the systematic studies of these plants.

Molecular biology reveals the molecular basis of biological processes in cells, and it is essential for understanding the mechanisms of the execution and regulation of biological processes. Molecular biology technologies have been applied to a wide range of living organisms. However, knowledge about horticultural crops is relatively less available than that on model plants. Recent advances in molecular biology—represented by revolutionary biotechnologies such as plant genome editing and next-generation sequencing—provide unprecedented opportunities to gain insight into the less well-studied horticultural crops.

For this Special Issue, we welcome any original research articles, reviews, short notes, or opinion articles that highlight horticultural crop improvement applications in molecular biology, such as whole-genome resequencing, transcriptomics, proteomics, metabolomics, and genome editing. The topics include, but are not limited to, studies of regulatory mechanisms of plant growth and development, as well as efforts to improve crop yield, quality, and resistance to biotic/abiotic stresses.

Prof. Dr. Bo Sun
Dr. Pengxiang Fan
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. 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

  • horticultural plants
  • whole-genome resequencing
  • transcriptomics
  • proteomics
  • metabolomics
  • gene editing
  • gene regulation
  • growth and development
  • yield
  • quality
  • resistance

Published Papers (2 papers)

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Research

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15 pages, 6777 KiB  
Article
Transcriptome Analysis Reveals the Mechanism by Which Exogenous Melatonin Treatment Delays Leaf Senescence of Postharvest Chinese Kale (Brassica oleracea var. alboglabra)
by Hongmei Di, Chenlu Zhang, Aolian Zhou, Huanhuan Huang, Yi Tang, Huanxiu Li, Zhi Huang, Fen Zhang and Bo Sun
Int. J. Mol. Sci. 2024, 25(4), 2250; https://doi.org/10.3390/ijms25042250 - 13 Feb 2024
Viewed by 651
Abstract
Melatonin, a pleiotropic small molecule, is employed in horticultural crops to delay senescence and preserve postharvest quality. In this study, 100 µM melatonin treatment delayed a decline in the color difference index h* and a*, maintaining the content of chlorophyll and [...] Read more.
Melatonin, a pleiotropic small molecule, is employed in horticultural crops to delay senescence and preserve postharvest quality. In this study, 100 µM melatonin treatment delayed a decline in the color difference index h* and a*, maintaining the content of chlorophyll and carotenoids, thereby delaying the yellowing and senescence of Chinese kale. Transcriptome analysis unequivocally validates melatonin’s efficacy in delaying leaf senescence in postharvest Chinese kale stored at 20 °C. Following a three-day storage period, the melatonin treatment group exhibited 1637 differentially expressed genes (DEGs) compared to the control group. DEG analysis elucidated that melatonin-induced antisenescence primarily governs phenylpropanoid biosynthesis, lipid metabolism, plant signal transduction, and calcium signal transduction. Melatonin treatment up-regulated core enzyme genes associated with general phenylpropanoid biosynthesis, flavonoid biosynthesis, and the α-linolenic acid biosynthesis pathway. It influenced the redirection of lignin metabolic flux, suppressed jasmonic acid and abscisic acid signal transduction, and concurrently stimulated auxin signal transduction. Additionally, melatonin treatment down-regulated RBOH expression and up-regulated genes encoding CaM, thereby influencing calcium signal transduction. This study underscores melatonin as a promising approach for delaying leaf senescence and provides insights into the mechanism of melatonin-mediated antisenescence in postharvest Chinese kale. Full article
(This article belongs to the Special Issue Horticultural Crop Improvement: A New Era for Plant Molecular Research 3.0)
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Review

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13 pages, 774 KiB  
Review
Emerging Roles of Mitogen-Activated Protein Kinase Signaling Pathways in the Regulation of Fruit Ripening and Postharvest Quality
by Juan Jin, Wei Wang, Dingyu Fan, Qing Hao and Wensuo Jia
Int. J. Mol. Sci. 2024, 25(5), 2831; https://doi.org/10.3390/ijms25052831 - 29 Feb 2024
Viewed by 517
Abstract
Fleshy fruit ripening is a unique biological process that involves dramatic changes in a diverse array of cellular metabolisms. The regulation of these metabolisms is essentially mediated by cellular signal transduction of internal (e.g., hormones) and external cues (i.e., environmental stimuli). Mitogen-activated protein [...] Read more.
Fleshy fruit ripening is a unique biological process that involves dramatic changes in a diverse array of cellular metabolisms. The regulation of these metabolisms is essentially mediated by cellular signal transduction of internal (e.g., hormones) and external cues (i.e., environmental stimuli). Mitogen-activated protein kinase (MAPK) signaling pathways play crucial roles in a diverse array of biological processes, such as plant growth, development and biotic/abiotic responses. Accumulating evidence suggests that MAPK signaling pathways are also implicated in fruit ripening and quality formation. However, while MAPK signaling has been extensively reviewed in Arabidopsis and some crop plants, the comprehensive picture of how MAPK signaling regulates fruit ripening and quality formation remains unclear. In this review, we summarize and discuss research in this area. We first summarize recent studies on the expression patterns of related kinase members in relation to fruit development and ripening and then summarize and discuss the crucial evidence of the involvement of MAPK signaling in fruit ripening and quality formation. Finally, we propose several perspectives, highlighting the research matters and questions that should be afforded particular attention in future studies. Full article
(This article belongs to the Special Issue Horticultural Crop Improvement: A New Era for Plant Molecular Research 3.0)
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