Genome-Wide Identification of Gene Family in Soybean: Insight into Root-Specific s and Resistance.

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2017
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Abstract
Soybean ( [L.] Merr) is one of the main grain legumes worldwide. Soybean farmers lose billions of dollars' worth of yield annually due to root and stem rot disease caused by the oomycete . Many strategies have been developed to combat the disease, however, these methods have proven ineffective in the long term. A more cost effective and durable approach is to select a trait naturally found in soybean that can increase resistance. One such trait is the increased production of phytoalexin glyceollins in soybean. Glyceollins are isoflavonoids, synthesized via the legume-specific branch of general phenylpropanoid pathway. The first key enzyme exclusively involved in glyceollin synthesis is chalcone reductase (CHR) which coacts with chalcone synthase for the production of isoliquiritigenin, the precursor for glyceollin biosynthesis. Here we report the identification of 14 putative genes in soybean where 11 of them are predicted to be functional. Our results show that s display tissue-specific gene expression, and that only root-specific s are induced upon infection. Among 4 root-specific s, is located near a QTL that is linked to resistance suggesting as a novel locus for partial resistance that can be utilized for resistance breeding.
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sepiol2017genomewidefrontiers Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Sepiol, Caroline J;Yu, Jaeju;Dhaubhadel, Sangeeta;
Journal Frontiers in plant science
Year 2017
DOI
10.3389/fpls.2017.02073
URL
http://journal.frontiersin.org/article/10.3389/fpls.2017.02073/full
Keywords
resistance soybean quantitative trait loci phytophthora sojae chalcone reductase gene family plant stress root and stem rot disease

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