What is it about?
We identified large number of repetitive DNA sequences from jute and developed a set of repetitive DNA sequence based markers from the genes that regulate biosynthesis of secondary metabolites, particularly phenolics. To do this we identified genes from expressed gene database of jute and designed markers. We showed that these markers are useful in differentiation of cultivars and study diversity in jute germplasm. These markers will be valuable for jute crop improvement targeting for characters associated with high phenolics production, for example disease and pest resistance and environmental stress tolerance.
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Why is it important?
This study follows a new approach, i.e., to develop a set of SSR markers specific for a metabolic pathway. Such study is rare in plant species , thus it will be valuable in targeting genetic improvement for phenylpropanoid pathway product associated characters, including lignin content of jute fibre.
Perspectives
We believe that gene based SSR markers developed in this study will be very useful to develop a robust genetic map of jute identifying genes and QTLs of traits influenced by plant phenolics and lignin and help improving selection efficiency in plant breeding experiments. We also expect that similar study will be carried out in other crops, where good amount of genomic data has been generated.
Pratik Satya
ICAR-Central Research Institute for Jute and Allied Fibres
Read the Original
This page is a summary of: Identification of genic SSRs in jute (Corchorus capsularis
, Malvaceae) and development of markers for phenylpropanoid biosynthesis genes and regulatory genes, Plant Breeding, August 2017, Wiley,
DOI: 10.1111/pbr.12514.
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