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Researchers Make Better Chickpeas Possible by Harnessing Genetic Traits of Wild Cousins

A new study has revealed the potential of using wild crop relatives for chickpea improvement, paving the way for more advanced crops and greater global food security.

The study, "Cicer super-pangenome provides insights into species evolution and agronomic trait loci for crop improvement in chickpea," published in Nature Genetics, provides insights into the  and divergence time of the Cicer genus, sequencing the genomes of eight wild Cicer species and comparing them with two cultivated chickpea varieties.

The study also constructs a graph-based super-pangenome that can help identify and transfer valuable genes from  to cultivated ones.

Director of Murdoch University's Center for Crop and Food Innovation Professor Rajeev Varshney, who coined the term "super-pangenome" in 2019 in Trends in Plant Science, said the findings in the new study could accelerate crop improvement globally.

"The genomic resources and unique genes presented in distant relatives of modern-day chickpeas in this new study will greatly benefit chickpea breeding and the advancement of the research community in this area in Australia and globally," Professor Varshney said.

"The Cicer super-pangenome offers a powerful way to study chickpea genes to perform association analyses and determine the most important traits for our farming industry.

"Our study found that the wild species have more  and variations that could be useful for improving chickpea traits such as , flowering time, and stress tolerance.

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