Genome sequence of the hot pepper provides insights into the evolution of pungency in Capsicum species

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Title
Genome sequence of the hot pepper provides insights into the evolution of pungency in Capsicum species
Author(s)
S Kim; M Park; S I Yeom; Yong Min Kim; J M Lee; H A Lee; E Seo; J Choi; K Cheong; K T Kim; K Jung; G W Lee; S K Oh; C Bae; S B Kim; H Y Lee; S Y Kim; M S Kim; B C Kang; Y D Jo; B D Kim; Suk Yoon Kwon; Hyun A Kim; Jeong Mee Park; H J Kim; H S Choi; H K Ahn; Y H Lee; D Choi
Bibliographic Citation
Nature Genetics, vol. 46, no. 3, pp. 270-279
Publication Year
2014
Abstract
Hot pepper (Capsicum annuum), one of the oldest domesticated crops in the Americas, is the most widely grown spice crop in the world. We report whole-genome sequencing and assembly of the hot pepper (Mexican landrace of Capsicum annuum cv. CM334) at 186.6× coverage. We also report resequencing of two cultivated peppers and de novo sequencing of the wild species Capsicum chinense. The genome size of the hot pepper was approximately fourfold larger than that of its close relative tomato, and the genome showed an accumulation of Gypsy and Caulimoviridae family elements. Integrative genomic and transcriptomic analyses suggested that change in gene expression and neofunctionalization of capsaicin synthase have shaped capsaicinoid biosynthesis. We found differential molecular patterns of ripening regulators and ethylene synthesis in hot pepper and tomato. The reference genome will serve as a platform for improving the nutritional and medicinal values of Capsicum species. ⓒ 2014 Nature America, Inc.
ISSN
1061-4036
Publisher
Springer-Nature Pub Group
DOI
http://dx.doi.org/10.1038/ng.2877
Type
Article
Appears in Collections:
Division of Biomedical Research > Genome Editing Research Center > 1. Journal Articles
Division of Biomaterials Research > 1. Journal Articles
Division of Biomaterials Research > Plant Systems Engineering Research > 1. Journal Articles
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