2018
DOI: 10.3389/fpls.2018.01555
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Mapping and QTL Analysis of Gynoecy and Earliness in Bitter Gourd (Momordica charantia L.) Using Genotyping-by-Sequencing (GBS) Technology

Abstract: A high-density, high-resolution genetic map was constructed for bitter gourd (Momordica charantia L.). A total of 2013 high quality SNP markers binned to 20 linkage groups (LG) spanning a cumulative distance of 2329.2 cM were developed. Each LG ranging from 185.2 cM (LG-12) to 46.2 cM (LG-17) and average LG span of 116.46 cM. The number of SNP markers mapped in each LG varied from 23 markers in LG-20 to 146 markers in LG-1 with an average of 100.65 SNPs per LG. The average distance between markers was 1.16 cM … Show more

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Cited by 37 publications
(21 citation statements)
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“…The linkage map spanning a total 2415.2 cM length consisted of 15 linkage groups with a mean marker interval of 0.7 cM an average of 209.6 markers for each linkage group. The mean marker density (marker/cM) 1.30 is higher than 0.86 reported by Rao et al (2018) , 0.30 by Matsumura et al (2014) , 0.42 by Urasaki et al (2017) , and 0.46 by Cui et al (2018) . The linkage map produced in this study resulted in more linkage groups than haploid chromosome number ( n = 11).…”
Section: Discussionmentioning
confidence: 54%
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“…The linkage map spanning a total 2415.2 cM length consisted of 15 linkage groups with a mean marker interval of 0.7 cM an average of 209.6 markers for each linkage group. The mean marker density (marker/cM) 1.30 is higher than 0.86 reported by Rao et al (2018) , 0.30 by Matsumura et al (2014) , 0.42 by Urasaki et al (2017) , and 0.46 by Cui et al (2018) . The linkage map produced in this study resulted in more linkage groups than haploid chromosome number ( n = 11).…”
Section: Discussionmentioning
confidence: 54%
“…GBS generates a large number of SNPs, which are used in the construction of high-density linkage maps and gene tagging. This approach has been used in cucurbits like watermelon ( Branham et al, 2016 ; Meru and McGregor, 2016 ), bitter gourd ( Rao et al, 2018 ), bottle gourd ( Wu et al, 2017 ), squash ( Zhang et al, 2015 ), musk melon ( Chang et al, 2017 ; Daley et al, 2017 ; Branham et al, 2018 ), and pumpkin ( Montero-Pau et al, 2017 ) for construction of linkage map and QTL mapping. Biparental mapping in integration with SNP genotyping is becoming a powerful tool for dissecting complex traits in plants ( Xu et al, 2017 ).…”
Section: Discussionmentioning
confidence: 99%
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“…One of the SNP markers GTFL-1 was located at 5.46 cM distance (Matsumura et al 2014). Similarly, gy-1, a gynocious gene flanked bybTP_54865, and TP_54890 markers were mapped on LG 12 (Rao et al, 2018). showed that 38 genotypes were grouped into 2 major groups with 36 genotypes in one group and 2 genotypes in the second group.…”
Section: Interspecific Hybridizationmentioning
confidence: 99%