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Open Access Publications from the University of California

Draft genome of the most devastating insect pest of coffee worldwide: the coffee berry borer, Hypothenemus hampei.

  • Author(s): Vega, Fernando E
  • Brown, Stuart M
  • Chen, Hao
  • Shen, Eric
  • Nair, Mridul B
  • Ceja-Navarro, Javier A
  • Brodie, Eoin L
  • Infante, Francisco
  • Dowd, Patrick F
  • Pain, Arnab
  • et al.

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The coffee berry borer, Hypothenemus hampei, is the most economically important insect pest of coffee worldwide. We present an analysis of the draft genome of the coffee berry borer, the third genome for a Coleopteran species. The genome size is ca. 163 Mb with 19,222 predicted protein-coding genes. Analysis was focused on genes involved in primary digestion as well as gene families involved in detoxification of plant defense molecules and insecticides, such as carboxylesterases, cytochrome P450, gluthathione S-transferases, ATP-binding cassette transporters, and a gene that confers resistance to the insecticide dieldrin. A broad range of enzymes capable of degrading complex polysaccharides were identified. We also evaluated the pathogen defense system and found homologs to antimicrobial genes reported in the Drosophila genome. Ten cases of horizontal gene transfer were identified with evidence for expression, integration into the H. hampei genome, and phylogenetic evidence that the sequences are more closely related to bacterial rather than eukaryotic genes. The draft genome analysis broadly expands our knowledge on the biology of a devastating tropical insect pest and suggests new pest management strategies.

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