Emerging paradigms in genomics-based crop improvement

TheScientificWorldJournal
Abhishek Bohra

Abstract

Next generation sequencing platforms and high-throughput genotyping assays have remarkably expedited the pace of development of genomic tools and resources for several crops. Complementing the technological developments, conceptual shifts have also been witnessed in designing experimental populations. Availability of second generation mapping populations encompassing multiple alleles, multiple traits, and extensive recombination events is radically changing the phenomenon of classical QTL mapping. Additionally, the rising molecular breeding approaches like marker assisted recurrent selection (MARS) that are able to harness several QTLs are of particular importance in obtaining a "designed" genotype carrying the most desirable combinations of favourable alleles. Furthermore, rapid generation of genome-wide marker data coupled with easy access to precise and accurate phenotypic screens enable large-scale exploitation of LD not only to discover novel QTLs via whole genome association scans but also to practise genomic estimated breeding value (GEBV)-based selection of genotypes. Given refinements being experienced in analytical methods and software tools, the multiparent populations will be the resource of choice to undertake geno...Continue Reading

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Citations

Apr 9, 2014·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Abhishek BohraRajeev K Varshney
Apr 17, 2015·Genes & Nutrition·Jim KaputAnne Roulin
Sep 3, 2020·Plant Biotechnology Journal·Abhishek BohraRajeev Kumar Varshney
Dec 7, 2016·Frontiers in Plant Science·Desalegn D Serba, Rattan S Yadav

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Methods Mentioned

BETA
genotyping
dissection

Software Mentioned

JICIM
MAGIC
CSSL Finder
Global
NAM
WGRS
ISMAB
GS
HAPPY
MARS

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