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Genome sequence of Jatropha curcas L., a non-edible biodiesel plant, provides a resource to improve seed-related traits

OAR@ICRISAT

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Relation http://oar.icrisat.org/11063/
http://dx.doi.org/10.1111/pbi.12995
10.1111/pbi.12995
 
Title Genome sequence of Jatropha curcas L., a non-edible biodiesel plant, provides a resource to improve seed-related traits
 
Creator Ha, J
Shim, S
Lee, T
Kang, Y J
Hwang, W J
Jeong, H
Laosatit, K
Lee, J
Kim, S K
Satyawan, D
Lestari, P
Yoon, M Y
Kim, M Y
Chitikineni, A
Tanya, P
Somta, P
Srinives, P
Varshney, R K
Lee, S H
 
Subject Genetics and Genomics
Jatropha
 
Description Jatropha curcas (physic nut), a non‐edible oilseed crop, represents one of the most promising alternative energy sources due to its high seed oil content, rapid growth and adaptability to various environments. We report ~339 Mbp draft whole genome sequence of J. curcas var. Chai Nat using both the PacBio and Illumina sequencing platforms. We identified and categorized differentially expressed genes related to biosynthesis of lipid and toxic compound among four stages of seed development. Triacylglycerol (TAG), the major component of seed storage oil, is mainly synthesized by phospholipid:diacylglycerol acyltransferase in Jatropha, and continuous high expression of homologs of oleosin over seed development contributes to accumulation of high level of oil in kernels by preventing the breakdown of TAG. A physical cluster of genes for diterpenoid biosynthetic enzymes, including casbene synthases highly responsible for a toxic compound, phorbol ester, in seed cake, was syntenically highly conserved between Jatropha and castor bean. Transcriptomic analysis of female and male flowers revealed the up‐regulation of a dozen family of TFs in female flower. Additionally, we constructed a robust species tree enabling estimation of divergence times among nine Jatropha species and five commercial crops in Malpighiales order. Our results will help researchers and breeders increase energy efficiency of this important oil seed crop by improving yield and oil content, and eliminating toxic compound in seed cake for animal feed.
 
Publisher Wiley
 
Date 2019
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
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Identifier http://oar.icrisat.org/11063/1/Genome%20sequence%20of%20Jatropha%20curcas.pdf
Ha, J and Shim, S and Lee, T and Kang, Y J and Hwang, W J and Jeong, H and Laosatit, K and Lee, J and Kim, S K and Satyawan, D and Lestari, P and Yoon, M Y and Kim, M Y and Chitikineni, A and Tanya, P and Somta, P and Srinives, P and Varshney, R K and Lee, S H (2019) Genome sequence of Jatropha curcas L., a non-edible biodiesel plant, provides a resource to improve seed-related traits. Plant Biotechnology Journal (TSI), 17 (2). pp. 517-530. ISSN 14677644