Genetic analysis and QTL mapping of fruit length and diameter in a cucumber (Cucumber sativus L.) recombinant inbred line (RIL) population

@article{Zhang2019GeneticAA,
  title={Genetic analysis and QTL mapping of fruit length and diameter in a cucumber (Cucumber sativus L.) recombinant inbred line (RIL) population},
  author={Tingting Zhang and Xvzhen Li and Yuting Yang and Xiao Guo and Qin Feng and Xiangyu Dong and Shuxia Chen},
  journal={Scientia Horticulturae},
  year={2019}
}
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The study revealed some genes that control multiple traits simultaneously, indicating that these berry shape traits are subject to the coordinated regulation of some genes in controlling berryshape.
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CsKTN1 for a katanin p60 subunit is associated with the regulation of fruit elongation in cucumber (Cucumis sativus L.).
  • Hui Wang, Jing Sun, Yuhong Li
  • Medicine
    TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik
  • 2021
TLDR
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QTL mapping in multiple populations and development stages reveals dynamic quantitative trait loci for fruit size in cucumbers of different market classes
Key messageQTL analysis in multi-development stages with different QTL models identified 12 consensus QTLs underlying fruit elongation and radial growth presenting a dynamic view of genetic control
Rapid identification of fruit length loci in cucumber (Cucumis sativus L.) using next-generation sequencing (NGS)-based QTL analysis
TLDR
The results demonstrated the power of the QTL-seq method in rapid QTL detection and provided reliable QTL regions for fine mapping of fruit length-related loci and for identifying candidate genes.
Round fruit shape in WI7239 cucumber is controlled by two interacting quantitative trait loci with one putatively encoding a tomato SUN homolog
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QTL analysis revealed two interacting loci, FS1.2 and FS2.1, underlying fruit size variation in the examined populations, which highlights the power of QTL analysis for traits with a simple genetic basis but their expression is complicated by other factors.
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Several sequence-anchor markers were closely linked with some QTLs for fruit weight, fruit length, fruit flesh thickness and sex expression, which can be used for the future marker-assisted selection to improve the fruit traits in cucumber breeding.
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Earliness, and fruit yield and quality components of cucumber were investigated by examining cross-progeny derived from a wide mating and revealed that earliness is determined by relatively few genes, and that the genetic control of early yield resides in the same chromosome regions as does days to anthesis.
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QTL analysis revealed 11 QTL underlying flowering time and fruit size variation in the semi-wild Xishuangbanna cucumber, of which FS5.2 on chromosome 5 exhibited the largest effect on the determination of round fruit shape that was characteristic of the WI7167 XIS cucumber.
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While these results will be beneficial for understanding the genetic mechanism of fructification characters, they also can provide helpful information for molecular marker assisted selection of cucumber breeding for high yield, gene fine mapping and gene cloneing.
Identification of fruit quality and morphology QTLs in melon (Cucumis melo) using a population derived from flexuosus and cantalupensis botanical groups
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The results indicate that natural variation for internal and external melon fruit traits can be further explored by performing QTL analysis of populations derived from crosses between previously unexplored botanical groups.
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This research structured a high-density linkage map of cucumber using specific length amplified fragment sequencing, using 153 F2 populations of S1000 × S1002 populations to perform QTL analysis on two cucumber fruit traits, fruit length and fruit diameter.
Quantitative Trait Loci Associated with Fruit Length and Stalk Length in Cucumber Using RIL Population
A 160 recombinant inbred lines(RILs)were derived from a cross between‘PI183967'and a cultivated Northern Chinese inbred line‘931'.The constructed genetic map and phenotypic data in different seasons
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