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Differences in bacterial diversity of host-associated populations of Phylloxera notabilis Pergande (Hemiptera: Phylloxeridae) in pecan and water hickory
Article first published online: 24 JAN 2011
DOI: 10.1111/j.1420-9101.2010.02215.x
© 2011 The Authors. Journal of Evolutionary Biology © 2011 European Society For Evolutionary Biology
Additional Information
How to Cite
MEDINA, R. F., NACHAPPA, P. and TAMBORINDEGUY, C. (2011), Differences in bacterial diversity of host-associated populations of Phylloxera notabilis Pergande (Hemiptera: Phylloxeridae) in pecan and water hickory. Journal of Evolutionary Biology, 24: 761–771. doi: 10.1111/j.1420-9101.2010.02215.x
Publication History
- Issue published online: 14 MAR 2011
- Article first published online: 24 JAN 2011
- Received 4 August 2010; revised 28 October 2010; accepted 24 November 2010
Keywords:
- bacterial symbionts;
- ecological speciation;
- host-associated differentiation;
- leaf galls;
- Phylloxera
Abstract
Host-associated differentiation (HAD) is the presence of genetically divergent, host-associated populations. It has been suggested that microbial symbionts of insect herbivores may play a role in HAD by allowing their insect hosts to use different plant species. The objective of this study was to document if host-associated populations of Phylloxera notabilis Pergande (Hemiptera: Phylloxeridae) in pecan and water hickory corresponded with differences in the composition of their associated bacteria. To test this hypothesis, we characterized the symbionts present in P. notabilis associated with these two tree species through metagenomic analyses using 454 sequencing. Differences in bacterial diversity were found between P. notabilis populations associated with pecan and water hickory. The bacteria, Pantoea agglomerans and Serratia marcescens, were absent in the P. notabilis water hickory population, whereas both species accounted for more than 69.72% of bacterial abundance in the pecan population.