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bric a brac controls sex pheromone choice by male European corn borer moths

Unbehend, Melanie and Kozak, Genevieve M. and Koutroumpa, Fotini and Coates, Brad S. and Dekker, Teun and Groot, Astrid T. and Heckel, David G. and Dopman, Erik B. (2021). bric a brac controls sex pheromone choice by male European corn borer moths. Nature Communications. 12 , 2818
[Research article]

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Abstract

The sex pheromone system of similar to 160,000 moth species acts as a powerful form of assortative mating whereby females attract conspecific males with a species-specific blend of volatile compounds. Understanding how female pheromone production and male preference coevolve to produce this diversity requires knowledge of the genes underlying change in both traits. In the European corn borer moth, pheromone blend variation is controlled by two alleles of an autosomal fatty-acyl reductase gene expressed in the female pheromone gland (pgFAR). Here we show that asymmetric male preference is controlled by cis-acting variation in a sex-linked transcription factor expressed in the developing male antenna, bric a brac (bab). A genome-wide association study of preference using pheromone-trapped males implicates variation in the 293kb bab intron 1, rather than the coding sequence. Linkage disequilibrium between bab intron 1 and pgFAR further validates bab as the preference locus, and demonstrates that the two genes interact to contribute to assortative mating. Thus, lack of physical linkage is not a constraint for coevolutionary divergence of female pheromone production and male behavioral response genes, in contrast to what is often predicted by evolutionary theory.

Authors/Creators:Unbehend, Melanie and Kozak, Genevieve M. and Koutroumpa, Fotini and Coates, Brad S. and Dekker, Teun and Groot, Astrid T. and Heckel, David G. and Dopman, Erik B.
Title:bric a brac controls sex pheromone choice by male European corn borer moths
Series Name/Journal:Nature Communications
Year of publishing :2021
Volume:12
Article number:2818
Number of Pages:11
Publisher:NATURE RESEARCH
ISSN:2041-1723
Language:English
Publication Type:Research article
Article category:Scientific peer reviewed
Version:Published version
Full Text Status:Public
Subjects:(A) Swedish standard research categories 2011 > 1 Natural sciences > 106 Biological Sciences (Medical to be 3 and Agricultural to be 4) > Evolutionary Biology
URN:NBN:urn:nbn:se:slu:epsilon-p-112613
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-p-112613
Additional ID:
Type of IDID
DOI10.1038/s41467-021-23026-x
Web of Science (WoS)000658732100005
ID Code:24773
Faculty:LTV - Fakulteten för landskapsarkitektur, trädgårds- och växtproduktionsvetenskap
Department:(LTJ, LTV) > Department of Plant Protection Biology
Deposited By: SLUpub Connector
Deposited On:30 Jun 2021 15:25
Metadata Last Modified:30 Jun 2021 15:31

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