A Cross-Species Gene Expression Marker-Based Genetic Map and QTL Analysis in Bambara Groundnut

Publication Overview
TitleA Cross-Species Gene Expression Marker-Based Genetic Map and QTL Analysis in Bambara Groundnut
AuthorsChai HH, Ho WK, Graham N, May S, Massawe F, Mayes S
TypeJournal Article
Journal NameGenes
Volume8
Issue2
Year2017
CitationChai HH, Ho WK, Graham N, May S, Massawe F, Mayes S. A Cross-Species Gene Expression Marker-Based Genetic Map and QTL Analysis in Bambara Groundnut. Genes. 2017 Feb 22; 8(2).

Abstract

Bambara groundnut (Vigna subterranea (L.) Verdc.) is an underutilised legume crop, which has long been recognised as a protein-rich and drought-tolerant crop, used extensively in Sub-Saharan Africa. The aim of the study was to identify quantitative trait loci (QTL) involved in agronomic and drought-related traits using an expression marker-based genetic map based on major crop resources developed in soybean. The gene expression markers (GEMs) were generated at the (unmasked) probe-pair level after cross-hybridisation of bambara groundnut leaf RNA to the Affymetrix Soybean Genome GeneChip. A total of 753 markers grouped at an LOD (Logarithm of odds) of three, with 527 markers mapped into linkage groups. From this initial map, a spaced expression marker-based genetic map consisting of 13 linkage groups containing 218 GEMs, spanning 982.7 cM (centimorgan) of the bambara groundnut genome, was developed. Of the QTL detected, 46% were detected in both control and drought treatment populations, suggesting that they are the result of intrinsic trait differences between the parental lines used to construct the cross, with 31% detected in only one of the conditions. The present GEM map in bambara groundnut provides one technically feasible route for the translation of information and resources from major and model plant species to underutilised and resource-poor crops.
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Pages

Projects
This publication contains information about 1 projects:
Project NameDescription
Bambara-Drought-Chai-2017
Featuremaps
This publication contains information about 1 maps:
Map Name
Bambara-Tiga_Nicuru/DipC-F5
Stocks
This publication contains information about 3 stocks:
Stock NameUniquenameType
Tiga NicuruTiga Nicuruaccession
DipCDipCaccession
Tiga_Nicuru/DipC-F5Tiga_Nicuru/DipC-F5population
Properties
Additional details for this publication include:
Property NameValue
ISSN2073-4425
Language Abbreng
Publication ModelElectronic
LanguageEnglish
Journal CountrySwitzerland
PIIE84
DOI10.3390/genes8020084
Journal AbbreviationGenes (Basel)
Publication Date2017 Feb 22
Publication TypeJournal Article
pISSN2073-4425
Elocation10.3390/genes8020084