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. 2014 Jan 1:2:54-58.
doi: 10.7150/jgen.7692.

Characterization of the Asian Citrus Psyllid Transcriptome

Affiliations

Characterization of the Asian Citrus Psyllid Transcriptome

Justin Reese et al. J Genomics. .

Abstract

The Asian citrus psyllid, Diaphorina citri Kuwayama (Hemiptera: Psyllidae) is a vector for the causative agents of Huanglongbing, which threatens citrus production worldwide. This study reports and discusses the first D. citri transcriptomes, encompassing the three main life stages of D. citri, egg, nymph and adult. The transcriptomes were annotated using Gene Ontology (GO) and insecticide-related genes within each life stage were identified to aid the development of future D. citri insecticides. Transcriptome assemblies and other sequence data are available for download at the International Asian Citrus Psyllid Genome Consortium website [http://psyllid.org/download] and at NCBI [http://www.ncbi.nlm.nih.gov/bioproject/29447].

Keywords: Asian Citrus Psyllid; Diaphorina citri Kuwayama.

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Conflict of interest statement

Competing Interests: The authors have declared that no competing interests exist.

Figures

Figure 1
Figure 1
Gene Ontology (GO) analysis of the representative transcripts present within the three life stages of Diaphorina citri. GO-terms were assigned to the representative transcripts of the three D. citri life stages and Acyrthosiphon pisum, Tribolium castaneum, Pediculus humanus and Nasonia vitripennis, the four organisms that exhibited the greatest number of top BLAST hits, using B2G4Pipe and then sorted into groups within three independent compartments using Blast2GO. The 'Cellular Process', 'Binding' and 'Organelle' groups contain the greatest number of representative transcripts within the 'Biological Processes', 'Molecular Function' and 'Cellular Component' domains, respectively. The representative transcriptomes of the four organisms and the egg, nymph and adult stages exhibited similar patterns, and thus indicates the completeness of the stage transcriptomes.
Figure 2
Figure 2
Genes related to insecticide targets, detoxification, and resistance within each of the three life stages of Diaphorina citri. Identification of putative D. citri insecticide-related genes was accomplished by comparing the representative transcripts from the three D. citri life stages to a custom protein database containing homologous genes of interest from closely related organisms using BLASTX. (A) D. citri predicted gene products of putative insecticide targets and predicted gene products putatively involved in detoxification and resistance were identified in all three life stages. (B) D. citri homologs of the major gene products involved in insect juvenile hormone metabolism are present within each life stage.

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