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Molecular Biology

, Volume 52, Issue 5, pp 660–667 | Cite as

De novo Assembly and Analysis of Sumac (Toxicodendron vernicifluum (Stokes) F.A. Barkley) Transcriptomes Provides Insights into the Biosynthesis of Urushiol

  • G.-Q. Bai
  • Y. Jia
  • W.-M. Li
  • H. Chen
  • B. Li
  • S.-F. Li
GENOMICS. TRANSCRIPTOMICS

Abstract

Sumac is universally known for its abundance of raw lacquer. Toxicodendron vernicifluum (Stokes) F.A. Barkley is one of the widely distributed native sumac cultivars. To accelerate sumac breeding for more prolific, high-quality, and robust cultivars, it is essential to explore its lacquer metabolism. However, transcriptomic and genomic data available for sumac are still limited. In this study, we generated the transcriptomic profiles of triploid Toxicodendron vernicifluum CV. Dahongpao (Dahongpao) and diploid T. vernicifluum and Toxicodendron vernicifluum CV. Huoyanzi (Huoyanzi), with 87 856 unigenes. About 53% of these unigenes were annotated using Nr, Swiss-Prot, Kyoto Encyclopedia of Genes and Genomes (KEGG), Cluster of Orthologous Groups (COG) and Gene Ontology (GO). We identified nine differentially expressed candidate genes associated with type III polyketide synthase formation, which is the first step in urushiol biosynthesis. Additionally, a number of simple sequence repeats (EST–SSRs) were identified in T. vernicifluum for further molecular marker-assisted breeding. This study is the first report of Toxicodendron species transcriptome.

Keywords:

differential expression functional annotation Illumina sequencing Toxicodendron vernicifluum transcriptome 

Notes

ACKNOWLEDGMENTS

We are grateful to Dr. Liyu Chen (College of Crop Sciences, Fujian Agriculture and Forestry University, Fuzhou, China) for the insightful comments and assistance. This work was financially supported by National Science and technology support program of China titled ‘‘Research and Application of Germplasm Characteristics of Rhus Species’’ (2013BAD01B06-7).

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Copyright information

© Pleiades Publishing, Inc. 2018

Authors and Affiliations

  1. 1.Shaanxi Engineering Research Centre for Conservation and Utilization of Botanical Resources, Institute of Botany of Shaanxi ProvinceXi’anChina
  2. 2.Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Sciences, Northwest UniversityXi’anChina

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