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Variations in DREB1, VP1.1 and NHX1 genes show association with salt tolerance traits in wild tomato (Solanum pimpinellifolium)

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Title Variations in DREB1, VP1.1 and NHX1 genes show association with salt tolerance traits in wild tomato (Solanum pimpinellifolium)
Not Available
 
Creator ES Rao, P Kadirvel, RC. Symonds, S Geethanjali and Andreas W. Ebert
 
Subject Salt tolerance, Solanum pimpinellifolium, association analysis, candidate genes, haplotypes
 
Description Not Available
In this study, a core collection of 94 genotypes of Solanum pimpinellifolium was
subjected to phenotypic evaluation with and without artificial imposition of salt stress.
Association analysis was conducted to identify variations linked to salt tolerance traits
in four candidate genes viz., DREB1, VP1.1, NHX1, and TIP. The candidate gene
analysis covered a concatenated length of 4594 bp per individual and identified nine
SNP/Indels in DREB1, VP1.1 and NHX1 genes explaining >10% phenotypic variation
for various salt tolerance traits. Favourable alleles / haplotypes of these candidate
genes and germplasm accessions that carry them were identified. Out of these nine
loci, one locus at 297 bp in DREB1 had a non-synonymous variation resulting in two
favourable alleles, viz. SpDREB1_297_6 and SpDREB1_297_12. These alleles
individually or as haplotypes accounted for maximum phenotypic variance of about
27.5% for various salt tolerance traits. Design of markers for selection of the favourable
alleles/haplotypes will hasten marker-assisted introgression of salt tolerance from S.
pimpinellifolium into cultivated tomato.
Not Available
 
Date 2019-04-01T05:43:08Z
2019-04-01T05:43:08Z
2015-01-01
 
Type Research Paper
 
Identifier Not Available
doi:10.1371/ journal.pone.0132535
http://krishi.icar.gov.in/jspui/handle/123456789/17875
 
Language English
 
Relation Not Available;
 
Publisher Not Available