Flower Crops Breeding

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Molecular Biology".

Deadline for manuscript submissions: closed (1 April 2021) | Viewed by 3372

Special Issue Editors


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Guest Editor
Department of Horticulture, Chungnam National Univesity, Daejeon 34134, Korea
Interests: molecular breeding; plant reproduction; genome editing; tissue culture; transcriptome analysis; gene regulators; epigentics
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E-Mail Website
Guest Editor
Department of Horticulture, Kyungpook National University, Daegu 41566, Korea
Interests: plant flower color modification; genetic transformation; genome editing; mutagenesis; postharvest physiology; tissue culture; plant stress physiology
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The floriculture and landscape industries are continuously expanding due to the global demand for cut flowers, potted plants, and bedding plants. Traditionally, breeding tools including genetic selection, hybridization, somaclonal variation or mutagenesis have improved floral crops for flower colors, scents, morphology, etc. In addition, abiotic stresses are becoming increasingly extreme worldwide because of the continuing deterioration of the global climate, and which negatively plant growth and flower quality. Recent advances in transformation techniques in ornamental crops have been applied to overcome genetic barriers or reproduction huddles, within or among species. As genomic information has been widely available and uncovered gradually, diverse breeding methods such as molecular breeding, genome-assisted breeding, genetic maps and precise gene editing allow more efficient and target-specific modification of brand new flower traits for breeders, as well as diverse choices of cultivars for users. Therefore, flower breeding techniques are important for the creation of potential commercial cultivars for the advancement of the floriculture and landscape industries.

Prof. Dr. Geung-Joo Lee
Dr. Chang Kil Kim
Guest Editors

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Keywords

  • hybridization
  • genome editing
  • genetic resource
  • molecular breeding
  • mutation breeding
  • tissue culture
  • transformation

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Published Papers (1 paper)

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Research

13 pages, 2298 KiB  
Article
Genome-Wide Transcriptomic Identification and Functional Insight of Lily WRKY Genes Responding to Botrytis Fungal Disease
by Shipra Kumari, Bashistha Kumar Kanth, Ju young Ahn, Jong Hwa Kim and Geung-Joo Lee
Plants 2021, 10(4), 776; https://doi.org/10.3390/plants10040776 - 15 Apr 2021
Cited by 12 | Viewed by 2507
Abstract
Genome-wide transcriptome analysis using RNA-Seq of Lilium longiflorum revealed valuable genes responding to biotic stresses. WRKY transcription factors are regulatory proteins playing essential roles in defense processes under environmental stresses, causing considerable losses in flower quality and production. Thirty-eight WRKY genes were identified [...] Read more.
Genome-wide transcriptome analysis using RNA-Seq of Lilium longiflorum revealed valuable genes responding to biotic stresses. WRKY transcription factors are regulatory proteins playing essential roles in defense processes under environmental stresses, causing considerable losses in flower quality and production. Thirty-eight WRKY genes were identified from the transcriptomic profile from lily genotypes, exhibiting leaf blight caused by Botrytis elliptica. Lily WRKYs have a highly conserved motif, WRKYGQK, with a common variant, WRKYGKK. Phylogeny of LlWRKYs with homologous genes from other representative plant species classified them into three groups- I, II, and III consisting of seven, 22, and nine genes, respectively. Base on functional annotation, 22 LlWRKY genes were associated with biotic stress, nine with abiotic stress, and seven with others. Sixteen unique LlWRKY were studied to investigate responses to stress conditions using gene expression under biotic and abiotic stress treatments. Five genes—LlWRKY3, LlWRKY4, LlWRKY5, LlWRKY10, and LlWRKY12—were substantially upregulated, proving to be biotic stress-responsive genes in vivo and in vitro conditions. Moreover, the expression patterns of LlWRKY genes varied in response to drought, heat, cold, and different developmental stages or tissues. Overall, our study provides structural and molecular insights into LlWRKY genes for use in the genetic engineering in Lilium against Botrytis disease. Full article
(This article belongs to the Special Issue Flower Crops Breeding)
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