Regulation of Seed Germination and Dormancy

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Development and Morphogenesis".

Deadline for manuscript submissions: closed (31 March 2022) | Viewed by 2303

Special Issue Editors


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Guest Editor
Department of Crop Science, Chungnam National University, Daejeon 34134, Republic of Korea
Interests: plant tissue culture; hairy roots; secondary metabolites; metabolic profiling
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Guest Editor
Department of Horticultural Science, Chungnam National University, Daejeon 34134, Republic of Korea
Interests: cell separation; abscission; hormone signaling; stress response; transcriptional regulation; functional genomics

Special Issue Information

Dear Colleagues,

Seed germination is a trait fundamental to the lifecycle of a plant that is also tightly associated with the productivity of agricultural crops. It is controlled by interactions of diverse endogenous and exogenous factors. Levels of physical (e.g., coat) or intrinsic (e.g., embryo) dormancy embedded in the seed variably affect successful germination in many plant species. Although studies using a model plant such as Arabidopsis have begun to shed light on mechanistic insights, the regulation of germination and dormancy for agricultural crops still remains to be elucidated. As the availability of recent technologies to understand biological processes expands, this Special Issue will cover physiological, molecular, metabolomic, transcriptomic, proteomic, and functional studies that control seed germination and dormancy of agricultural crops.

Dr. Sangun Park
Dr. Joonyup Kim
Guest Editors

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Keywords

  • germination
  • dormancy
  • pre-harvest sprouting
  • plant hormones
  • light
  • climate change
  • abiotic stress
  • biotic stress, secondary metabolite, signaling
  • transcriptome
  • metabolome
  • functional genomics

Published Papers (1 paper)

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Research

15 pages, 6281 KiB  
Article
Targeted Metabolic and In-Silico Analyses Highlight Distinct Glucosinolates and Phenolics Signatures in Korean Rapeseed Cultivars
by Joonyup Kim, Soo In Sohn, Ramaraj Sathasivam, Allah Jurio Khaskheli, Min Cheol Kim, Nam Su Kim and Sang Un Park
Plants 2021, 10(10), 2027; https://doi.org/10.3390/plants10102027 - 27 Sep 2021
Cited by 2 | Viewed by 1735
Abstract
Rapeseed is an economically important oilseed crop throughout the world. We examined the content and composition of glucosinolates (GSLs) and phenolics in the sprouts of seven Korean cultivars. A total of eight GSLs that include four aliphatic GSLs (AGSLs) (progoitrin, gluconapin, gluconapoleiferin, and [...] Read more.
Rapeseed is an economically important oilseed crop throughout the world. We examined the content and composition of glucosinolates (GSLs) and phenolics in the sprouts of seven Korean cultivars. A total of eight GSLs that include four aliphatic GSLs (AGSLs) (progoitrin, gluconapin, gluconapoleiferin, and glucobrassicanapin) and four indole GSLs (IGSLs) (4-methoxyglucobrassicin, 4-hydroxyglucobrassicin, neoglucobrassicin, and glucobrassicin) were identified in these cultivars. Of the total GSLs, the highest level was detected for progoitrin, while the lowest level was identified for glucobrassicanapin in all the cultivars. Phenolics that include chlorogenic acid, catechin hydrate, 4-hydroxybenzoic acid, gallic acid, ferulic acid, p-coumaric acid, epicatechin, caffeic acid, rutin, quercetin, trans-cinnamic acid, benzoic acid, and kaempferol were present in all the cultivars. Of these, rutin was identified with the highest level while trans-cinnamic acid was identified with the lowest level in all the cultivars. Cluster analysis revealed the unique metabolic signature of eight GSLs and thirteen phenolics for the seven cultivars of rapeseed, which implies that genomic commonality and variability resulted from the previous breeding program. Further, gene expression and cis-regulatory elements suggest that the biosynthesis of GSLs and phenolics of these cultivars appears to be regulated through transcription factors associated with stress responses, phytohormones, and cellular growth. Full article
(This article belongs to the Special Issue Regulation of Seed Germination and Dormancy)
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