High-Density Genetic Map Construction and Identification of QTLs Controlling Leaf Abscission Trait in Poncirus trifoliata.

Publication Overview
TitleHigh-Density Genetic Map Construction and Identification of QTLs Controlling Leaf Abscission Trait in Poncirus trifoliata.
AuthorsXu YY, Liu SR, Gan ZM, Zeng RF, Zhang JZ, Hu CG
TypeJournal Article
Journal NameInternational journal of molecular sciences
Volume22
Issue11
Year2021
CitationXu YY, Liu SR, Gan ZM, Zeng RF, Zhang JZ, Hu CG. High-Density Genetic Map Construction and Identification of QTLs Controlling Leaf Abscission Trait in Poncirus trifoliata.. International journal of molecular sciences. 2021 May 27; 22(11).

Abstract

A high-density genetic linkage map is essential for genetic and genomic studies including QTL mapping, genome assembly, and comparative genomic analysis. Here, we constructed a citrus high-density linkage map using SSR and SNP markers, which are evenly distributed across the citrus genome. The integrated linkage map contains 4163 markers with an average distance of 1.12 cM. The female and male linkage maps contain 1478 and 2976 markers with genetic lengths of 1093.90 cM and 1227.03 cM, respectively. Meanwhile, a genetic map comparison demonstrates that the linear order of common markers is highly conserved between the clementine mandarin and Poncirus trifoliata. Based on this high-density integrated citrus genetic map and two years of deciduous phenotypic data, two loci conferring leaf abscission phenotypic variation were detected on scaffold 1 (including 36 genes) and scaffold 8 (including 107 genes) using association analysis. Moreover, the expression patterns of 30 candidate genes were investigated under cold stress conditions because cold temperature is closely linked with the deciduous trait. The developed high-density genetic map will facilitate QTL mapping and genomic studies, and the localization of the leaf abscission deciduous trait will be valuable for understanding the mechanism of this deciduous trait and citrus breeding.

Featuremaps
This publication contains information about 2 maps:
Map Name
Citrus-Clementine/Trifoliate-HAU21-F1-Maternal
Citrus-Clementine/Trifoliate-HAU21-F1-Paternal
Stocks
This publication contains information about 1 stocks:
Stock NameUniquenameType
Clementine/Trifoliate-HAU21-F1Clementine/Trifoliate-HAU21-F1population
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This publication contains information about 4,158 features:
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Pages

Properties
Additional details for this publication include:
Property NameValue
Publication ModelElectronic
ISSN1422-0067
eISSN1422-0067
Publication Date2021 May 27
Journal AbbreviationInt J Mol Sci
PII5723
Elocation10.3390/ijms22115723
DOI10.3390/ijms22115723
LanguageEnglish
Language Abbreng
Publication TypeJournal Article
Journal CountrySwitzerland
Cross References
This publication is also available in the following databases:
DatabaseAccession
PMID: PubMedPMID:34072027