PMID- 24465690
OWN - NLM
STAT- MEDLINE
DCOM- 20141111
LR  - 20211021
IS  - 1932-6203 (Electronic)
IS  - 1932-6203 (Linking)
VI  - 9
IP  - 1
DP  - 2014
TI  - Oviposition site-selection by Bactrocera dorsalis is mediated through an innate 
      recognition template tuned to gamma-octalactone.
PG  - e85764
LID - 10.1371/journal.pone.0085764 [doi]
LID - e85764
AB  - Innate recognition templates (IRTs) in insects are developed through many years 
      of evolution. Here we investigated olfactory cues mediating oviposition behavior 
      in the oriental fruit fly, Bactrocera dorsalis, and their role in triggering an 
      IRT for oviposition site recognition. Behavioral assays with 
      electrophysiologically active compounds from a preferred host, mango, revealed 
      that one of the volatiles tested, gamma-octalactone, had a powerful effect in 
      eliciting oviposition by gravid B. dorsalis females. Electrophysiological 
      responses were obtained and flies clearly differentiated between treated and 
      untreated substrates over a wide range of concentrations of gamma-octalactone. It 
      triggered an innate response in flies, overriding inputs from other modalities 
      required for oviposition site evaluation. A complex blend of mango volatiles not 
      containing gamma-octalactone elicited low levels of oviposition, whereas 
      gamma-octalactone alone elicited more oviposition response. Naive flies with 
      different rearing histories showed similar responses to gamma-octalactone. Taken 
      together, these results indicate that oviposition site selection in B. dorsalis 
      is mediated through an IRT tuned to gamma-octalactone. Our study provides empirical 
      data on a cue underpinning innate behavior and may also find use in control 
      operations against this invasive horticultural pest.
FAU - Pagadala Damodaram, Kamala Jayanthi
AU  - Pagadala Damodaram KJ
AD  - National Fellow Lab, Division of Entomology and Nematology, Indian Institute of 
      Horticultural Research, Bangalore, India.
FAU - Kempraj, Vivek
AU  - Kempraj V
AD  - National Fellow Lab, Division of Entomology and Nematology, Indian Institute of 
      Horticultural Research, Bangalore, India.
FAU - Aurade, Ravindra Mahadappa
AU  - Aurade RM
AD  - National Fellow Lab, Division of Entomology and Nematology, Indian Institute of 
      Horticultural Research, Bangalore, India.
FAU - Venkataramanappa, Ravindra Kothapalli
AU  - Venkataramanappa RK
AD  - Department of Ecology, National Bureau of Agriculturally Important Insects, 
      Bangalore, India.
FAU - Nandagopal, Bakthavatsalam
AU  - Nandagopal B
AD  - National Fellow Lab, Division of Entomology and Nematology, Indian Institute of 
      Horticultural Research, Bangalore, India.
FAU - Verghese, Abraham
AU  - Verghese A
AD  - Department of Ecology, National Bureau of Agriculturally Important Insects, 
      Bangalore, India.
FAU - Bruce, Toby
AU  - Bruce T
AD  - Biological Chemistry and Crop Protection, Rothamsted Research, West Common, 
      Harpenden, United Kingdom.
LA  - eng
PT  - Journal Article
PT  - Research Support, Non-U.S. Gov't
DEP - 20140123
PL  - United States
TA  - PLoS One
JT  - PloS one
JID - 101285081
RN  - 0 (Chemotactic Factors)
RN  - 0 (Lactones)
SB  - IM
MH  - Animals
MH  - Behavior, Animal
MH  - Chemotactic Factors/pharmacology/*physiology
MH  - Female
MH  - Lactones/*metabolism/pharmacology
MH  - Olfactory Perception
MH  - Oviposition/*drug effects
MH  - Pest Control
MH  - Tephritidae/*physiology
PMC - PMC3900432
COIS- Competing Interests: The authors have declared that no competing interests exist.
EDAT- 2014/01/28 06:00
MHDA- 2014/11/12 06:00
PMCR- 2014/01/23
CRDT- 2014/01/28 06:00
PHST- 2013/10/04 00:00 [received]
PHST- 2013/12/01 00:00 [accepted]
PHST- 2014/01/28 06:00 [entrez]
PHST- 2014/01/28 06:00 [pubmed]
PHST- 2014/11/12 06:00 [medline]
PHST- 2014/01/23 00:00 [pmc-release]
AID - PONE-D-13-40674 [pii]
AID - 10.1371/journal.pone.0085764 [doi]
PST - epublish
SO  - PLoS One. 2014 Jan 23;9(1):e85764. doi: 10.1371/journal.pone.0085764. eCollection 
      2014.