The draft genome of sweet orange (Citrus sinensis)

Publication Overview
TitleThe draft genome of sweet orange (Citrus sinensis)
AuthorsXu Q, Chen LL, Ruan X, Chen D, Zhu A, Chen C, Bertrand D, Jiao WB, Hao BH, Lyon MP, Chen J, Gao S, Xing F, Lan H, Chang JW, Ge X, Lei Y, Hu Q, Miao Y, Wang L, Xiao S, Biswas MK, Zeng W, Guo F, Cao H, Yang X, Xu XW, Cheng YJ, Xu J, Liu JH, Luo OJ, Tang Z, Guo WW, Kuang H, Zhang HY, Roose ML, Nagarajan N, Deng XX, Ruan Y
TypeJournal Article
Journal NameNature genetics
Volume45
Issue1
Year2013
Page(s)59-66
CitationXu Q, Chen LL, Ruan X, Chen D, Zhu A, Chen C, Bertrand D, Jiao WB, Hao BH, Lyon MP, Chen J, Gao S, Xing F, Lan H, Chang JW, Ge X, Lei Y, Hu Q, Miao Y, Wang L, Xiao S, Biswas MK, Zeng W, Guo F, Cao H, Yang X, Xu XW, Cheng YJ, Xu J, Liu JH, Luo OJ, Tang Z, Guo WW, Kuang H, Zhang HY, Roose ML, Nagarajan N, Deng XX, Ruan Y. The draft genome of sweet orange (Citrus sinensis). Nature genetics. 2013 Jan; 45(1):59-66.

Abstract

Oranges are an important nutritional source for human health and have immense economic value. Here we present a comprehensive analysis of the draft genome of sweet orange (Citrus sinensis). The assembled sequence covers 87.3% of the estimated orange genome, which is relatively compact, as 20% is composed of repetitive elements. We predicted 29,445 protein-coding genes, half of which are in the heterozygous state. With additional sequencing of two more citrus species and comparative analyses of seven citrus genomes, we present evidence to suggest that sweet orange originated from a backcross hybrid between pummelo and mandarin. Focused analysis on genes involved in vitamin C metabolism showed that GalUR, encoding the rate-limiting enzyme of the galacturonate pathway, is significantly upregulated in orange fruit, and the recent expansion of this gene family may provide a genomic basis. This draft genome represents a valuable resource for understanding and improving many important citrus traits in the future.

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Properties
Additional details for this publication include:
Property NameValue
Publication ModelPrint-Electronic
ISSN1546-1718
eISSN1546-1718
Publication Date2013 Jan
Journal AbbreviationNat. Genet.
DOI10.1038/ng.2472
Elocation10.1038/ng.2472
LanguageEnglish
Language Abbreng
Publication TypeJournal Article
Journal CountryUnited States
Publication TypeResearch Support, Non-U.S. Gov't
Cross References
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PMID: PubMedPMID:23179022