Post-Genome Era of Brassica Vegetables

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Horticultural Science and Ornamental Plants".

Deadline for manuscript submissions: closed (30 September 2022) | Viewed by 1983

Special Issue Editors


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Guest Editor
Department of Biotechnology, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, China
Interests: genomics; genetic breeding; evolution; domestication; polyploidization; gene regulation; germplasm; vegetable; Solanaceae; Brassicaceae; pepper; cabbage
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Department of Biotechnology, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, China
Interests: Brassica genomics and genetics; molecular breeding
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The Brassica genus includes many popular vegetables, such as Chinese cabbage, pak choi, cai xin, cabbage, kale, cauliflower, broccoli, and mustard. These vegetables comprise an important part of our daily food and nutrition intake, and contribute to the agricultural economy. For their importance as vegetables and their close relationship to the model plant species Arabidopsis thaliana, the Brassica genus was among the first sets of vegetables to have their genomes sequenced. This genome information has promoted the basic research of Brassica, including species evolution, crop domestication, gene mapping, and molecular function dissection, as well as the application of marker-based breeding, with the help of genome and gene function information from the closely related species Arabidopsis thaliana.

This Special Issue of Plants will highlight studies on genome evolution, trait dissection, gene function, and population diversity in the post-genome era of Brassica vegetables, which use the Brassica genome as an important research resource. We welcome various article types, including original research, reviews, or commentary articles.

Dr. Feng Cheng
Dr. Xiaowu Wang
Guest Editors

Manuscript Submission Information

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Keywords

  • genomics
  • genetics
  • function
  • evolution
  • gene mapping
  • Brassica
  • vegetable
  • agronomic trait
  • polyploidization

Published Papers (1 paper)

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Research

17 pages, 3050 KiB  
Article
Transcriptome Profiling Identifies Candidate Genes Contributing to Male and Female Gamete Development in Synthetic Brassica Allohexaploids
by Chengyan Ji, Zhaoran Tian, Yue Liu, Gongyao Shi, Baoming Tian, Weiwei Chen, Zhengqing Xie, Xingzhou Han, Niannian Liang, Fang Wei and Xiaochun Wei
Plants 2022, 11(12), 1556; https://doi.org/10.3390/plants11121556 - 13 Jun 2022
Cited by 2 | Viewed by 1517
Abstract
Polyploidy plays a crucial role in plant evolution and speciation. The development of male and female gametes is essential to the reproductive capacity of polyploids, but their gene expression pattern has not been fully explored in newly established polyploids. The present study aimed [...] Read more.
Polyploidy plays a crucial role in plant evolution and speciation. The development of male and female gametes is essential to the reproductive capacity of polyploids, but their gene expression pattern has not been fully explored in newly established polyploids. The present study aimed to reveal a detailed atlas of gene expression for gamete development in newly synthetic Brassica allohexaploids that are not naturally existing species. Comparative transcriptome profiling between developing anthers (staged from meiosis to mature pollen) and ovules (staged from meiosis to mature embryo sac) was performed using RNA-Seq analysis. A total of 8676, 9775 and 4553 upregulated differentially expressed genes (DEGs) were identified for the development of both gametes, for male-only, and for female-only gamete development, respectively, in the synthetic Brassica allohexaploids. By combining gene ontology (GO) biological process analysis and data from the published literature, we identified 37 candidate genes for DNA double-strand break formation, synapsis and the crossover of homologous recombination during male and female meiosis and 51 candidate genes for tapetum development, sporopollenin biosynthesis and pollen wall development in male gamete development. Furthermore, 23 candidate genes for mitotic progression, nuclear positioning and cell specification and development were enriched in female gamete development. This study lays a good foundation for revealing the molecular regulation of genes related to male and female gamete development in Brassica allohexaploids and provides more resourceful genetic information on the reproductive biology of Brassica polyploid breeding. Full article
(This article belongs to the Special Issue Post-Genome Era of Brassica Vegetables)
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