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The effects of diesel exhaust pollution on floral volatiles and the consequences for honey bee olfaction

The effects of diesel exhaust pollution on floral volatiles and the consequences for honey bee olfaction
The effects of diesel exhaust pollution on floral volatiles and the consequences for honey bee olfaction
There is growing evidence of a substantial decline in pollinators within Europe and North America, most likely caused by multiple factors such as diseases, poor nutrition, habitat loss, insecticides, and environmental pollution. Diesel exhaust could be a contributing factor to this decline, since we found that diesel exhaust rapidly degrades floral volatiles, which honey bees require for flower recognition. In this study, we exposed eight of the most common floral volatiles to diesel exhaust in order to investigate whether it can affect volatile mediated plant pollinator interaction. Exposure to diesel exhaust altered the blend of common flower volatiles significantly: myrcene was considerably reduced, ?-ocimene became undetectable, and ?-caryophyllene was transformed into its cis-isomer isocaryophyllene. Proboscis extension response (PER) assays showed that the alterations of the blend reduced the ability of honey bees to recognize it. The chemically reactive nitrogen oxides fraction of diesel exhaust gas was identified
floral scent compounds, diesel exhaust, nitrogen oxides, scent degradation, scent recognition, proboscis extension response
0098-0331
904-912
Lusebrink, I.
fcf563b4-0871-4c90-8366-8664ec7ec639
Girling, R.D.
1044dcd8-9b1a-4f9c-bd42-7aa960de5470
Farthing, E
ec74d8bb-9942-4867-af11-eef14920c84d
Newman, T.A.
322290cb-2e9c-445d-a047-00b1bea39a25
Jackson, C.W
ab14e7be-1b25-4425-9e8f-6ccee5b984a8
Poppy, G.M.
e18524cf-10ae-4ab4-b50c-e73e7d841389
Lusebrink, I.
fcf563b4-0871-4c90-8366-8664ec7ec639
Girling, R.D.
1044dcd8-9b1a-4f9c-bd42-7aa960de5470
Farthing, E
ec74d8bb-9942-4867-af11-eef14920c84d
Newman, T.A.
322290cb-2e9c-445d-a047-00b1bea39a25
Jackson, C.W
ab14e7be-1b25-4425-9e8f-6ccee5b984a8
Poppy, G.M.
e18524cf-10ae-4ab4-b50c-e73e7d841389

Lusebrink, I., Girling, R.D., Farthing, E, Newman, T.A., Jackson, C.W and Poppy, G.M. (2015) The effects of diesel exhaust pollution on floral volatiles and the consequences for honey bee olfaction. Journal of Chemical Ecology, 41 (10), 904-912. (doi:10.1007/s10886-015-0624-4).

Record type: Article

Abstract

There is growing evidence of a substantial decline in pollinators within Europe and North America, most likely caused by multiple factors such as diseases, poor nutrition, habitat loss, insecticides, and environmental pollution. Diesel exhaust could be a contributing factor to this decline, since we found that diesel exhaust rapidly degrades floral volatiles, which honey bees require for flower recognition. In this study, we exposed eight of the most common floral volatiles to diesel exhaust in order to investigate whether it can affect volatile mediated plant pollinator interaction. Exposure to diesel exhaust altered the blend of common flower volatiles significantly: myrcene was considerably reduced, ?-ocimene became undetectable, and ?-caryophyllene was transformed into its cis-isomer isocaryophyllene. Proboscis extension response (PER) assays showed that the alterations of the blend reduced the ability of honey bees to recognize it. The chemically reactive nitrogen oxides fraction of diesel exhaust gas was identified

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Accepted/In Press date: 1 September 2015
e-pub ahead of print date: 30 September 2015
Keywords: floral scent compounds, diesel exhaust, nitrogen oxides, scent degradation, scent recognition, proboscis extension response
Organisations: Clinical & Experimental Sciences

Identifiers

Local EPrints ID: 382904
URI: https://eprints.soton.ac.uk/id/eprint/382904
ISSN: 0098-0331
PURE UUID: 636a675c-32b4-4a8c-ac82-2ca3fe1a7707
ORCID for T.A. Newman: ORCID iD orcid.org/0000-0002-3727-9258

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Date deposited: 04 Nov 2015 11:28
Last modified: 10 Jan 2019 01:37

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Contributors

Author: I. Lusebrink
Author: R.D. Girling
Author: E Farthing
Author: T.A. Newman ORCID iD
Author: C.W Jackson
Author: G.M. Poppy

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