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  Larval sensilla of the moth Heliothis virescens respond to sex pheromone components

Zielonka, M., Gehrke, P., Badeke, E., Sachse, S., Breer, H., & Krieger, J. (2016). Larval sensilla of the moth Heliothis virescens respond to sex pheromone components. Insect Molecular Biology, 25(5), 666-678. doi:10.1111/imb.12253.

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Zielonka, M., Author
Gehrke, P., Author
Badeke, Elisa1, 2, Author              
Sachse, Silke2, Author              
Breer, H., Author
Krieger, J., Author
Affiliations:
1IMPRS on Ecological Interactions, MPI for Chemical Ecology, Max Planck Society, Jena, DE, ou_421900              
2Research Group Dr. S. Sachse, Olfactory Coding, MPI for Chemical Ecology, Max Planck Society, ou_421914              

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 Abstract: Female-released sex pheromones orchestrate the mating behaviour of moths. Recent studies have shown that sex pheromones not only attract adult males but also caterpillars. Single sensillum recordings revealed that larval antennal sensilla of the moth Heliothis virescens respond to specific sex pheromone components. In search for the molecular basis of pheromone detection in larvae, we found that olfactory sensilla on the larval antennae are equipped with the same molecular elements that mediate sex pheromone detection in adult male moths, including the Heliothis virescens receptors 6 (HR6) and HR13, as well as sensory neurone membrane protein 1 (SNMP1). Thirty-eight olfactory sensory neurones were identified in three large sensilla basiconica; six of these are considered as candidate pheromone responsive cells based on the expression of SNMP1. The pheromone receptor HR6 was found to be expressed in two cells and the receptor HR13 in three cells. These putative pheromone responsive neurones were accompanied by cells expressing pheromone-binding protein 1 (PBP1) and PBP2. The results indicate that the responsiveness of larval sensilla to female-emitted sex pheromones is based on the same molecular machinery as in the antennae of adult males.

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 Dates: 20162016-07-282016
 Publication Status: Published in print
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 Identifiers: Other: SAC009
DOI: 10.1111/imb.12253
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Title: Insect Molecular Biology
Source Genre: Journal
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Publ. Info: Oxford : Published for the Royal Entomological Society by Blackwell Scientific Publications
Pages: - Volume / Issue: 25 (5) Sequence Number: - Start / End Page: 666 - 678 Identifier: ISSN: 0962-1075
CoNE: https://pure.mpg.de/cone/journals/resource/954925580118