Draft genome sequence of the rubber tree Hevea brasiliensis

Ahmad Yamin Abdul Rahman, Abhilash O. Usharraj, Biswapriya B. Misra, Gincy P. Thottathil, Kandakumar Jayasekaran, Yun Feng, Shaobin Hou, Su Yean Ong, Fui Ling Ng, Ling Sze Lee, Hock Siew Tan, Muhd Khairul Luqman Muhd Sakaff, Beng Soon Teh, Bee F. Khoo, Siti Suriawati Badai, Nurohaida Ab Aziz, Anton Yuryev, Bjarne Knudsen, Alexandre Dionne-Laporte, Nokuthula P. MchunuQingyi Yu, Brennick J. Langston, Tracey Allen K. Freitas, Aaron G. Young, Rui Chen, Lei Wang, Nazalan Najimudin, Jennifer A. Saito, Maqsudul Alam

Research output: Contribution to journalArticlepeer-review

217 Scopus citations

Abstract

Background: Hevea brasiliensis, a member of the Euphorbiaceae family, is the major commercial source of natural rubber (NR). NR is a latex polymer with high elasticity, flexibility, and resilience that has played a critical role in the world economy since 1876.Results: Here, we report the draft genome sequence of H. brasiliensis. The assembly spans ~1.1 Gb of the estimated 2.15 Gb haploid genome. Overall, ~78% of the genome was identified as repetitive DNA. Gene prediction shows 68,955 gene models, of which 12.7% are unique to Hevea. Most of the key genes associated with rubber biosynthesis, rubberwood formation, disease resistance, and allergenicity have been identified.Conclusions: The knowledge gained from this genome sequence will aid in the future development of high-yielding clones to keep up with the ever increasing need for natural rubber.

Original languageEnglish
Article number75
JournalBMC Genomics
Volume14
Issue number1
DOIs
StatePublished - Feb 2 2013
Externally publishedYes

Keywords

  • Euphorbiaceae
  • Genome
  • Hevea brasiliensis
  • Natural rubber

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