Chromosome-Scale Genome Assemblies of Two Korean Cucumber Inbred Lines

Song, Kihwan; Shin, Younhee; Jung, Myunghee; Subramaniyam, Sathiyamoorthy; Lee, Keun Pyo; Oh, Eun-A; Jeong, Jin Ho; Kim, Jeong-Gu

doi:10.3389/fgene.2021.733188

Cited by 4 publications

(4 citation statements)

References 23 publications

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“…Although the Mini belongs to Nakhaptype, but the size is differ to compare traditional cultivars (Chuichung and White Dadagi). The difference of genome between Nakhap-type and Baekdadagi-type has been reported in previous studies (Song et al, 2021). However, few studies have comprehensively evaluated the quality of these cultivars in terms of metabolomics and bioactivity.…”

Section: Introductionmentioning

confidence: 76%

Comparison of Metabolome and Functional Properties of Three Korean Cucumber Cultivars

Son

Lee

2022

Front. Plant Sci.

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Cucumber (Cucumis sativus L.) is consumed worldwide and various cultivars have been developed to enhance fruit quality. However, few studies have comprehensively evaluated the quality of various cultivars. We carried out a metabolomics approach to study the three different cucumber cultivars (Chuichung, White Dadagi, and Mini) and their parts (peel and flesh) coupled with antioxidant activities. The amino acids, sugars, flavonoids, carotenoids, and chlorophylls were upregulated in Mini flesh; however, in the case of peel, they were highly expressed in Chuichung. The highest antioxidant activity was observed in the peel of Chuichung and flesh of Mini. Through correlation analysis between metabolites and antioxidant activity, apigenin and quercetin derivatives, chlorophyll a, chlorophyll b, lutein, α-carotene, and β-carotene were found to be significantly positively correlated with antioxidant activity. To understand the metabolism of these compounds, we performed a comprehensive pathway analysis using a metabolomics approach and analysis of associated gene expression. In secondary metabolism, the expression levels of carotenoid-related genes (15-cis-phytoene synthase and ζ-carotene desaturase) and chlorophyll-related genes (protochlorophyllide reductase and glutamyl-tRNA reductase) were consistent with the metabolome analysis data. Collectively, carotenoid and chlorophyll metabolism were upregulated in Chuichung peel and Mini flesh, which had the highest antioxidant activity in each part. These bioactive compounds can be used as biomarkers of commercial cucumber fruit quality. Accordingly, this study offers integrative insights into the quality of different cucumber cultivars and explores valuable metabolites and genes that are helpful in improving quality with functional properties.

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Section: Introductionmentioning

confidence: 76%

Comparison of Metabolome and Functional Properties of Three Korean Cucumber Cultivars

Son

Lee

2022

Front. Plant Sci.

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“…Kimchi is rich in antioxidants, vitamins, digestive enzymes, and minerals and has anti-cancer, anti-diabetes, and anti-inflammatory properties ( Lee et al, 2016 ). Radish ( Raphanus sativus ) is used to prepare different forms of kimchi, such as kkakdugi -kimchi (the second-most consumed kimchi in Korea), chonggak -kimchi, and dongchimi- kimchi ( Song et al, 2021 ; Surya and Nugroho, 2023 ). Radishes account for 10% of the total vegetable cultivation land in South Korea ( https://kostat.go.kr ).…”

Section: Introductionmentioning

confidence: 99%

“…The major obstacle in breeding schemes is retaining the crossbreed for multiple generations (i.e., the elite line for each trait/variety) ( Kang et al, 2016 ; Epstein et al, 2023 ). There are hundreds of economic elite lines available globally; in South Korea, the term “Korean food” specifies that all raw materials used to prepare the food item originate in South Korea ( Song et al, 2021 ). According to the Korean Seed Association, the demand for radish seeds is growing annually.…”

Section: Introductionmentioning

confidence: 99%

Genome of Raphanus sativus L. Bakdal, an elite line of large cultivated Korean radish

Park,

Lim,

Jung

et al. 2024

Front. Genet.

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“…Cucumber was the first among the various horticultural crops to have a fully accessible draft genome ( Huang et al, 2009 ; Wóycicki et al, 2011 ; Yang et al, 2012 ; Qi et al, 2013 ; Osipowski et al, 2020 ; Song et al, 2021 ), which significantly expedited research in crop improvement, breeding processes, and genome editing. The relatively smaller genomic size and its short life span (varying from 4 to 5 months) offer advantages for experiments pertaining to genetic studies in cucumber.…”

Section: Introductionmentioning

confidence: 99%

Genetics and marker-assisted breeding for sex expression in cucumber

et al. 2023

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Cucumber is an important vegetable crop that provides an accessible draft genome, which has significantly expedited research in various fields of molecular genetics. Cucumber breeders have been employing various methodologies to improve the yield and quality of the crop. These methodologies comprise enhancement of disease resistance, use of gynoecious sex types and their association with parthenocarpy, alterations in plant architecture, and enhancement of genetic variability. The genetics of sex expression are a complex trait in cucumbers but are very significant for the genetic improvement of cucumber crop. This review comprises an explanation of the current status of gene(s) involvement and its expression studies, the inheritance of genes, molecular markers, and genetic engineering associated with sex determination, as well as a discussion of the role of ethylene in sex expression and sex-determining genes of the ACS family. There is no doubt that gynoecy is an important trait among all sex forms of cucumber for heterosis breeding, but if it is associated with parthenocarpy, fruit yield can be enhanced to a greater extent under favorable conditions. However, little information is available with regard to parthenocarpy in gynoecious-type cucumber. This review sheds light on the genetics and molecular mapping of sex expression and could be beneficial especially to cucumber breeders and other scientists working on crop improvement via traditional and molecular assistant approaches.

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Chromosome-Scale Genome Assemblies of Two Korean Cucumber Inbred Lines

Cited by 4 publications

References 23 publications

Comparison of Metabolome and Functional Properties of Three Korean Cucumber Cultivars

Comparison of Metabolome and Functional Properties of Three Korean Cucumber Cultivars

Genome of Raphanus sativus L. Bakdal, an elite line of large cultivated Korean radish

Genetics and marker-assisted breeding for sex expression in cucumber

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