So near and yet so far: harmonic radar reveals reduced homing ability of Nosema infected honeybees.

Pathogens may gain a fitness advantage through manipulation of the behaviour of their hosts. Likewise, host behavioural changes can be a defence mechanism, counteracting the impact of pathogens on host fitness. We apply harmonic radar technology to characterize the impact of an emerging pathogen--No...

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Autores principales:	Stephan Wolf, Dino P McMahon, Ka S Lim, Christopher D Pull, Suzanne J Clark, Robert J Paxton, Juliet L Osborne
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2014
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/ae156f7ad0794dacb972b40914664852
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spelling	oai:doaj.org-article:ae156f7ad0794dacb972b409146648522021-11-25T06:05:51ZSo near and yet so far: harmonic radar reveals reduced homing ability of Nosema infected honeybees.1932-620310.1371/journal.pone.0103989https://doaj.org/article/ae156f7ad0794dacb972b409146648522014-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/25098331/?tool=EBIhttps://doaj.org/toc/1932-6203Pathogens may gain a fitness advantage through manipulation of the behaviour of their hosts. Likewise, host behavioural changes can be a defence mechanism, counteracting the impact of pathogens on host fitness. We apply harmonic radar technology to characterize the impact of an emerging pathogen--Nosema ceranae (Microsporidia)--on honeybee (Apis mellifera) flight and orientation performance in the field. Honeybees are the most important commercial pollinators. Emerging diseases have been proposed to play a prominent role in colony decline, partly through sub-lethal behavioural manipulation of their hosts. We found that homing success was significantly reduced in diseased (65.8%) versus healthy foragers (92.5%). Although lost bees had significantly reduced continuous flight times and prolonged resting times, other flight characteristics and navigational abilities showed no significant difference between infected and non-infected bees. Our results suggest that infected bees express normal flight characteristics but are constrained in their homing ability, potentially compromising the colony by reducing its resource inputs, but also counteracting the intra-colony spread of infection. We provide the first high-resolution analysis of sub-lethal effects of an emerging disease on insect flight behaviour. The potential causes and the implications for both host and parasite are discussed.Stephan WolfDino P McMahonKa S LimChristopher D PullSuzanne J ClarkRobert J PaxtonJuliet L OsbornePublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 9, Iss 8, p e103989 (2014)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Stephan Wolf Dino P McMahon Ka S Lim Christopher D Pull Suzanne J Clark Robert J Paxton Juliet L Osborne So near and yet so far: harmonic radar reveals reduced homing ability of Nosema infected honeybees.
description	Pathogens may gain a fitness advantage through manipulation of the behaviour of their hosts. Likewise, host behavioural changes can be a defence mechanism, counteracting the impact of pathogens on host fitness. We apply harmonic radar technology to characterize the impact of an emerging pathogen--Nosema ceranae (Microsporidia)--on honeybee (Apis mellifera) flight and orientation performance in the field. Honeybees are the most important commercial pollinators. Emerging diseases have been proposed to play a prominent role in colony decline, partly through sub-lethal behavioural manipulation of their hosts. We found that homing success was significantly reduced in diseased (65.8%) versus healthy foragers (92.5%). Although lost bees had significantly reduced continuous flight times and prolonged resting times, other flight characteristics and navigational abilities showed no significant difference between infected and non-infected bees. Our results suggest that infected bees express normal flight characteristics but are constrained in their homing ability, potentially compromising the colony by reducing its resource inputs, but also counteracting the intra-colony spread of infection. We provide the first high-resolution analysis of sub-lethal effects of an emerging disease on insect flight behaviour. The potential causes and the implications for both host and parasite are discussed.
format	article
author	Stephan Wolf Dino P McMahon Ka S Lim Christopher D Pull Suzanne J Clark Robert J Paxton Juliet L Osborne
author_facet	Stephan Wolf Dino P McMahon Ka S Lim Christopher D Pull Suzanne J Clark Robert J Paxton Juliet L Osborne
author_sort	Stephan Wolf
title	So near and yet so far: harmonic radar reveals reduced homing ability of Nosema infected honeybees.
title_short	So near and yet so far: harmonic radar reveals reduced homing ability of Nosema infected honeybees.
title_full	So near and yet so far: harmonic radar reveals reduced homing ability of Nosema infected honeybees.
title_fullStr	So near and yet so far: harmonic radar reveals reduced homing ability of Nosema infected honeybees.
title_full_unstemmed	So near and yet so far: harmonic radar reveals reduced homing ability of Nosema infected honeybees.
title_sort	so near and yet so far: harmonic radar reveals reduced homing ability of nosema infected honeybees.
publisher	Public Library of Science (PLoS)
publishDate	2014
url	https://doaj.org/article/ae156f7ad0794dacb972b40914664852
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So near and yet so far: harmonic radar reveals reduced homing ability of Nosema infected honeybees.

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