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Forests 2016, 7(6), 126; doi:10.3390/f7060126

Influence of Starvation on the Structure of Gut-Associated Bacterial Communities in the Chinese White Pine Beetle (Dendroctonus armandi)

1
College of Forestry, Fujian Agriculture and Forestry University, Fuzhou 350002, Fujian, China
2
College of Forestry, Northwest A&F University, Yangling 712100, Shaanxi, China
*
Author to whom correspondence should be addressed.
Academic Editor: Christopher J. Fettig
Received: 3 January 2016 / Revised: 27 May 2016 / Accepted: 12 June 2016 / Published: 20 June 2016
(This article belongs to the Special Issue Tree Defense Physiology to Bark Beetles)
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Abstract

This study investigated the influence of starvation on the structure of the gut bacterial community in the Chinese white pine beetle (Dendroctonus armandi). A total of 14 operational taxonomic units (OTUs0.03) clusters belonging to nine genera were identified. Denaturing gradient gel electrophoresis (DGGE) profiles of bacterial PCR-amplified 16S rRNA gene fragments from the guts of starved male and female adults revealed that the bacterial community diversity increased after starvation. The dominant genus Citrobacter decreased significantly, whereas the genus Serratia increased in both starved female and starved male adults. The most predominant bacterial genus in D. armandi adults was Citrobacter, except for starved male adults, in which Serratia was the most abundant genus (27%). Our findings reveal that starvation affects gut bacterial dynamics in D. armandi, as has been observed in other insect species. View Full-Text
Keywords: bark beetle; bacterial community; starvation; DGGE; Dendroctonus armandi bark beetle; bacterial community; starvation; DGGE; Dendroctonus armandi
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Hu, X.; Li, M.; Zhang, F.; Chen, H. Influence of Starvation on the Structure of Gut-Associated Bacterial Communities in the Chinese White Pine Beetle (Dendroctonus armandi). Forests 2016, 7, 126.

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