Identification of QTLs for capsaicinoids, fruit quality, and plant architecture-related traits in an interspecific <i>Capsicum</i> RIL population

Yarnes, Shawn C.; Ashrafi, Hamid; Reyes-Chin-Wo, Sebastian; Hill, Theresa; Stoffel, Kevin; Deynze, Allen Van

doi:10.1139/gen-2012-0083

Cited by 70 publications

(92 citation statements)

References 18 publications

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“…As these are correlated traits, it was predicted that at least some of the markers should be common. Yarnes et al (2013) identified QTL on different linkage groups as those found in this study. For number of days to flowering, QTL were observed in group 6; for number of days to fruiting, QTL were detected in group 8.…”

Section: Qtl Mappingsupporting

confidence: 70%

“…The phenotypic variation ranged from 1.76-1.98 for FL and 1.09-1.87 for FD, totaling 5.72 and 4.72%, respectively. Yarnes et al (2013) also detected 2 QTL associated with pepper FD and 1 QTL associated with FL, all in linkage group 11. In studies carried out by Lu et al (2012), 3 QTL were identified in the same position for FL and FD in linkage groups 4, 5, and 10.…”

Section: Qtl Mappingmentioning

confidence: 90%

“…Alimi et al (2013), using 149 improved recombinant lines of C. annuum, detected 24 QTL ranging from the smallest to the greatest effect for 16 agronomic traits evaluated. Yarnes et al (2013) developed a genetic map for pepper by crossing C. frutescens and C. annuum and identified 96 QTL associated with 38 agronomic traits.…”

Section: Qtl Mappingmentioning

confidence: 99%

“…The explained total of the trait phenotypic variance varied from 9-61%. In the high-density map constructed by Yarnes et al (2013), 96 QTL were estimated for 38 agronomic traits, including 12 QTL associated with capsaicinoid levels in the Capsicum population under study.…”

Section: Introductionmentioning

confidence: 99%

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Genetic dissection of agronomic traits in Capsicum baccatum var. pendulum

et al. 2015

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ABSTRACT. Genetic mapping is very useful for dissecting complex agronomic traits. Genetic mapping allows for identification of quantitative trait loci (QTL), provide knowledge on a gene position and its adjacent region, and enable prediction of evolutionary mechanisms, in addition to contributing to synteny studies. The aim of this study was to predict genetic values associated with different agronomic traits evaluated in an F 2 population of Capsicum baccatum var. pendulum. Previously, a reference genetic map for C. baccatum was constructed, which included 183 markers (42 microsatellite, 85 inter-simple sequence repeat, and 56 random amplification of polymorphic DNA) arranged in 16 linkage groups. The map was used to identify QTL associated with 11 agronomic traits, including plant height, crown diameter, number of days to flowering, days to fruiting, number of fruits per plant, average fruit weight, fruit length, fruit diameter, fruit QTLs for agronomic traits in C. baccatum var. pendulum pulp thickness, soluble solids, and fruit dry weight. QTL mapping was performed by standard interval mapping. The number of small QTL effects ranged from 3-11, with a total of 61 QTL detected in 9 linkage groups. This is the first report involving QTL analysis for C. baccatum species.

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Section: Qtl Mappingsupporting

confidence: 70%

Section: Qtl Mappingmentioning

confidence: 90%

Section: Qtl Mappingmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Genetic dissection of agronomic traits in Capsicum baccatum var. pendulum

et al. 2015

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“…Dempsey (hereafter, Perennial and Dempsey) (Supplementary Tables 6-9 and Supplementary Note). We anchored scaffolds to the high-density genetic map (4,562 markers) and to the previously reported genetic map 17 . Overall, we anchored 86.0% of the assembly (2.63 Gb; 1,357 scaffolds) as 12 chromosome pseudomolecules and ordered them (75.6%; 1,048 scaffolds) on the basis of genetic distance ( Supplementary Fig.…”

Section: Sequencing Assembly and Genetic Variationmentioning

confidence: 99%

Genome sequence of the hot pepper provides insights into the evolution of pungency in Capsicum species

et al. 2014

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Genetic, Epigenetic, and Hormonal Regulation of Fruit Development and Ripening inCapsicumL. Species

Kumar

Kumar²,

Anju

et al. 2021

Annual Plant Reviews Online

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Fruits are not only important for the plants but also for ensuring sustainable food security of the burgeoning global population. Considering the huge nutritional and ecological importance of fruits, investigation of mechanisms, and factors governing their development and ripening is crucial. The investigation of fruit development in several economically important crops such as tomato, strawberry, grape, and banana includingCapsicumsuggest that early fruit development is largely dependent on auxins and gibberellins (GAs) whereas later ripening is dependent on ethylene or abscisic acid (ABA). The initial development is relatively conserved whereas the ripening of fruits can be either climacteric or non‐climacteric depending on the presence or absence of respiratory burst and ethylene production respectively. Climacteric fruit ripening is mediated by ethylene, and it is well studied in tomato and banana, whereas non‐climacteric fruit ripening requires ABA and much of the information on it comes from strawberry and grape. The genusCapsicumL. shows rich diversity in fruit traits such as shape, colour, size, and even in its ripening behaviour. Early fruit development in different species ofCapsicumappears similar to other fruit crops, whereas later fruit ripening behaviour in different species ofCapsicumcan be either climacteric or non‐climacteric depending upon evolution of ethylene and respiratory burst. It has been found that, even different cultivars of the same species ofCapsicumshow variation in ripening behaviour suggesting interspecific and intraspecific complexities in fruit ripening responses. Until a few years, a majority of the papers have focussed on the non‐climacteric nature of fruit ripening inCapsicum. However, recent studies have shown substantial involvement of ethylene and ethylene related genes in fruit ripening ofCapsicumsuggesting the existence of extensive common regulons between climacteric and non‐climacteric fruits. Recent studies have also suggested the involvement of several epigenetic mechanisms such as non‐coding RNAs (ncRNAs) and cytosine methylation in regulating fruit development and ripening. With the advent of new tools in the omics field such as genomics, transcriptomics, metabolomics, and epigenomics, there is considerable progress in understanding the fruit development and complex nature of ripening inCapsicum. Nevertheless, consolidated information onCapsicumfruit development and its complex nature of ripening is not available. In this article, an attempt is made to present up to date consolidated information on the development and ripening ofCapsicumfruit with an emphasis on its genetic, epigenetic, and hormonal regulation.

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Identification of QTLs for capsaicinoids, fruit quality, and plant architecture-related traits in an interspecific Capsicum RIL population

Cited by 70 publications

References 18 publications

Genetic dissection of agronomic traits in Capsicum baccatum var. pendulum

Genetic dissection of agronomic traits in Capsicum baccatum var. pendulum

Genome sequence of the hot pepper provides insights into the evolution of pungency in Capsicum species

Genetic, Epigenetic, and Hormonal Regulation of Fruit Development and Ripening inCapsicumL. Species

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