Molecular Marker-Assisted Mapping, Candidate Gene Identification, and Breeding in Melon (Cucumis melo L.): A Review

Shahwar, Durre; Khan, Zeba; Park, Younghoon

doi:10.3390/ijms242015490

Cited by 8 publications

(3 citation statements)

References 99 publications

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“…The rapid development of life science has increased the application of molecular marker technology in plant breeding. Molecular marker‐assisted breeding can effectively improve the efficiency of selecting target traits controlled by target genes and eliminate the influences of environmental and subjective factors (Shahwar et al, 2023). This method is particularly suitable for selecting complex traits such as stress tolerance, disease and insect resistance, greatly accelerating the progress of breeding for improved varieties (Ma et al, 2015).…”

Section: Discussionmentioning

confidence: 99%

Development and application of a codominant marker of the melon rind colour gene CmAPRR2

Ma,

Yuan,

Zhang

et al. 2024

Plant Breeding

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Rind colour is an important quality attribute of melon appearance. Identifying target genes and developing functional molecular markers is significant for rind colour breeding in melon. This study involved a genetic analysis of the fruit rind colours of two inbred lines: H185 (with black green melon rind) and H160 (with white rind) alongside a fruit rind colour gene, CmAPRR2. The purpose was to discover the variation sites of the CmAPRR2 gene and develop specific molecular marker for rind colour in melon. The results showed that the black green rind is dominant over white, and single gene controls the colours. A mutation of the G856T base occurred in the eighth exon of the CmAPRR2 coding DNA region in H160, suggesting that this mutation is the key factor for the white rind colour. Thus, a codominant molecular marker, FC, for gene CmAPRR2 was developed and used for molecular identification of 189 F2 individuals. The marker revealed a complete correspondence between genotype and phenotype. Additionally, the marker revealed that the other four white rinds had G856T mutations. This study provides a basis for targeted improvement of melon rind colours, offering a technical means for molecular marker‐assisted breeding of melon rind colours.

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Section: Discussionmentioning

confidence: 99%

Development and application of a codominant marker of the melon rind colour gene CmAPRR2

Ma,

Yuan,

Zhang

et al. 2024

Plant Breeding

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“…Furthermore, melons provide amino acids and a spectrum of phytochemicals, including carotenoids such as alpha- and beta-carotene. Essential vitamins, such as A, C, E, thiamin, riboflavin, and niacin, are present in addition to dietary fiber and antioxidant enzymes [ 3 ]. Cucumis melo has been studied for its beneficial medicinal properties, which include antiulcer, analgesic, anti-inflammatory, free radical scavenging, antioxidant, anthelmintic, antimicrobial, hepatoprotective, antidiabetic, anticancer, and antifertility activities [ 4 ].…”

Section: Introductionmentioning

confidence: 99%

Molecular Markers for Marker-Assisted Breeding for Biotic and Abiotic Stress in Melon (Cucumis melo L.): A Review

Shahwar,

Khan,

Park

2024

IJMS

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Melon (Cucumis melo L.) is a globally grown crop renowned for its juice and flavor. Despite growth in production, the melon industry faces several challenges owing to a wide range of biotic and abiotic stresses throughout the growth and development of melon. The aim of the review article is to consolidate current knowledge on the genetic mechanism of both biotic and abiotic stress in melon, facilitating the development of robust, disease-resistant melon varieties. A comprehensive literature review was performed, focusing on recent genetic and molecular advancements related to biotic and abiotic stress responses in melons. The review emphasizes the identification and analysis of quantitative trait loci (QTLs), functional genes, and molecular markers in two sections. The initial section provides a comprehensive summary of the QTLs and major and minor functional genes, and the establishment of molecular markers associated with biotic (viral, bacterial, and fungal pathogens, and nematodes) and abiotic stress (cold/chilling, drought, salt, and toxic compounds). The latter section briefly outlines the molecular markers employed to facilitate marker-assisted backcrossing (MABC) and identify cultivars resistant to biotic and abiotic stressors, emphasizing their relevance in strategic marker-assisted melon breeding. These insights could guide the incorporation of specific traits, culminating in developing novel varieties, equipped to withstand diseases and environmental stresses by targeted breeding, that meet both consumer preferences and the needs of melon breeders.

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“…There are many melon species in China and around the world, the feature diversity is primarily expressed in rind color, flesh color, shape, and rind netting of the fruit. At present, there are many studies on melon diversity from rind color, flesh color and other aspects to reveal their influencing factors ( Gur et al, 2017 ; Liang et al, 2023 ; Shahwar et al, 2023 ). However, the number of melon varieties produced and sold in China has increased over the years as a result of the multiple melon varieties being continually improved in recent years, making variety evaluation, discrimination and breeding innovation extremely difficult ( Gao et al, 2012 ).…”

Section: Introductionmentioning

confidence: 99%

The complete chloroplast genome sequences of nine melon varieties (Cucumis melo L.): lights into comparative analysis and phylogenetic relationships

Hu,

Yao,

et al. 2024

Front. Genet.

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Melon (Cucumis melo L.) is one of the most extensively grown horticulture crops of the world. Based on the morphological characters, melon was formerly divided into two subspecies, Cucumis melo ssp. melo and C. melo ssp. agrestis. However, the present methods are still inadequate to distinguish between them. The phylogenetic analysis based on chloroplast genome sequences could provide essential evidence for the classification of melon varieties. We sequenced the chloroplast genomes of nine different melon varieties by the Illumina Hiseq and performed bioinformatic analyses including repeat element analysis, genome comparison and phylogenetic analysis. The results showed that the melon chloroplast genome has a typical quadripartite structure that was conserved across the analyzed sequences. Its length ranges between 155, 558 and 156, 569 bp, with a total GC content varying from 36.7% to 37%. We found 127–132 genes in melon chloroplast genomes, including 85–87 protein-coding regions, 34–37 tRNA and 6-8 rRNA genes. The molecular structure, gene order, content, codon usage, long repeats, and simple sequence repeats (SSRs) were mostly conserved among the nine sequenced genomes. Phylogenetic analysis showed that the chloroplast genome could clearly distinguish between C. melo ssp. melo and C. melo ssp. agrestis. This study not only provides valuable knowledge on melon chloroplasts, but also offers a theoretical basis and technical support for the genetic breeding of melons.

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Molecular Marker-Assisted Mapping, Candidate Gene Identification, and Breeding in Melon (Cucumis melo L.): A Review

Cited by 8 publications

References 99 publications

Development and application of a codominant marker of the melon rind colour gene CmAPRR2

Development and application of a codominant marker of the melon rind colour gene CmAPRR2

Molecular Markers for Marker-Assisted Breeding for Biotic and Abiotic Stress in Melon (Cucumis melo L.): A Review

The complete chloroplast genome sequences of nine melon varieties (Cucumis melo L.): lights into comparative analysis and phylogenetic relationships

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