Gene sequences of potential targets of insecticidal pf2 lectin identified from the larval de novo transcriptome of the mexican bean weevil (Zabrotes subfasciatus; boheman 1833)

Irlanda Lagarda-Diaz, Miguel Ángel Hernández-Oñate, José Ángel Huerta-Ocampo, Ana M. Guzmán-Partida, Joy Winzerling, Dawn Geiser, Luz Vázquez-Moreno

Research output: Contribution to journalArticlepeer-review

Abstract

The available genomic and proteomic information of non-model organisms is often underrepresented in public databases hindering their study at molecular, cellular, and physiological levels. Information on Zabrotes subfasciatus (Mexican bean weevil) is poorly represented in databases, yet it is a major pest of common beans. We report the transcriptome of Z. subfasciatus larvae; transcripts were sequenced using an Illumina RNA-Seq technology and assembled de novo identifying 29,029 unigenes with an average size of 1168 bp and an N50 value of 2196 bp. About 15,124 unigenes (52%) were functionally annotated and categorized. Further analysis revealed 30 unigene sequences encoding putative targets of the insecticidal PF2 lectin. The complete deduced amino acid sequences of eight selected proteins potentially related to insecticidal mechanism of Palo Fierro 2 (PF2) were used for predicting probable N-glycosylation sites and analyzing phylogenetic relationships with insect sequences. This work provides a dramatic increase in the genetic resources available for Coleopterans and set the basis for developing future studies on biological aspects and potential control strategies for Z. subfasciatus.

Original languageEnglish (US)
Article number736
Pages (from-to)1-18
Number of pages18
JournalInsects
Volume11
Issue number11
DOIs
StatePublished - Nov 2020

Keywords

  • Coleopteran insect
  • Pest insect
  • RNA-seq
  • Transcriptomics

ASJC Scopus subject areas

  • Insect Science

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