Bracon brevicornis genome showcases the potential of linked-read sequencing in identifying a putative Complementary sex determiner gene

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Abstract

Bracon brevicornis is an ectoparasitoid of a wide range of larval-stage Lepidopterans, including several pests of important crops, such as the corn borer, Ostrinia nubilalis. It is also one of the earliest documented cases of complementary sex determination in Hymenoptera. Here, we present the linked-read-based genome of B. brevicornis, complete with an ab initio-derived annotation and protein comparisons with fellow braconids, Fopius arisanus and Diachasma alloeum. We demonstrate the potential of linked-read assemblies in exploring regions of heterozygosity and search for structural and homology-derived evidence of the complementary sex determiner gene (csd).

Original languageEnglish
Article number1390
Pages (from-to)1-13
Number of pages13
JournalGenes
Volume11
Issue number12
DOIs
Publication statusPublished - Dec 2020

Keywords

  • 10X Genomics
  • Braconinae
  • Complementary sex determination
  • Feminizer
  • Microsynteny
  • Parasitic wasp
  • Parasitoid

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