Presentation Details
| Functional Characterization of a Gustatory Receptor In Mate Choice and Activity Patterns In a Butterfly Keity J.Farfan-Pira1, David Ernst2, Erica Westerman1. 1University of Arkansas, Fayetteville, Arkansas, USA.2Bigelow Laboratory for Ocean Sciences, Boothbay, Maine, USA |
Abstract
Mate selection is a critical animal behavior, yet its genetic basis remains poorly understood. We investigate the genetic basis of mate selection using the butterfly Bicyclus anynana. Having identified candidate genes for mate preference learning via genomic screening, we assessed a top candidate gene, a gustatory receptor (GR15105). We generated knockout lines and used controlled behavioral assays to assess its effect on preference and behavior. Specifically, we tested mutant female preference for male genotype (wild-type (WT) vs. mutant), visual cues (UV-spot counts), and pheromone detection, as well as activity levels relative to WT females. Mutant females prefer WT males over mutant males. While mutants, unlike WT, showed no preference for UV-spot number, they did retain the ability to perceive pheromones, suggesting that the mutation may alter trait discrimination rather than general sensory capability. Furthermore, mutants exhibited decreased copulation proportion during the morning compared to wild-type counterparts. These findings provide insights into molecular pathways that may translate sensory input into the complex social behaviors driving sexual selection.
No part of this publication may be reproduced, distributed, or transmitted in any form or by any means, including photocopying, recording, or other electronic or mechanical methods, without the prior written permission of the author.
No part of this publication may be reproduced, distributed, or transmitted in any form or by any means, including photocopying, recording, or other electronic or mechanical methods, without the prior written permission of the author.
Content Locked. Log into a registered attendee account to access this presentation.