Agriculture

Comprehensive genomic resources related to domestication and crop improvement traits in Lima bean

T. Garcia, J. Duitama, et al.

This research by Tatiana Garcia, Jorge Duitama, and their colleagues presents a groundbreaking chromosome-level genome assembly for Lima bean (*Phaseolus lunatus* L.), unveiling disease resistance genes and revealing critical insights into *Phaseolus* evolution. With comparative genomics highlighting significant synteny and chromosomal rearrangements, this work also identifies wild Lima bean clusters vital for climate-resilient breeding.

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Abstract

This research combines long and short-read sequencing with a dense genetic map to create a chromosome-level genome assembly for Lima bean (*Phaseolus lunatus* L.). Annotation reveals diverse disease resistance genes. Comparative genomics with common bean shows high synteny and chromosomal rearrangements. Population genomic analysis identifies six wild Lima bean clusters and three sub-clusters within Mesoamerican landraces. RNA-seq data highlight genes involved in pod dehiscence and seed development. These resources will advance understanding of *Phaseolus* evolution and aid climate-resilient breeding.

Publisher

Nature Communications

Published On

Jan 29, 2021

Authors

Tatiana Garcia, Jorge Duitama, Stephanie Smolenski Zullo, Juanita Gil, Andrea Ariani, Sarah Dohle, Antonia Palkovic, Paola Skeen, Clara Isabel Bermudez-Santana, Daniel G. Debouck, Jaime Martínez-Castillo, Paul Gepts, Maria Isabel Chacón-Sánchez

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