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title: Pine Defensive Monoterpene alpha-Pinene Influences the Feeding Behavior of Dendroctonus valens and Its Gut Bacterial Community Structure
author: Xu, Letian;  Shi, Zhanghong;  Wang, Bo;  Lu, Min;  Sun, Jianghua
Issued Date: 2016
Abstract: The exposure to plant defense chemicals has negative effects on insect feeding activity and modifies insect gut microbial community composition. Dendroctonus valens is a very destructive forest pest in China, and harbors a large diversity and abundance of gut microorganisms. Host pine defensive chemicals can protect the pines from attack by the holobiont. In this study, boring length of D. valens feeding on 0 mg/ g alpha-pinene and 9 mg/ g alpha-pinene concentration in phloem media for 6 and 48 h were recorded, and their gut bacterial communities were analyzed in parallel. Nine milligram per gram alpha-pinene concentration significantly inhibited boring length of D. valens and altered its gut microbial community structure after 6 h. The inhibition of boring length from 9 mg/ g alpha-pinene in diets ceased after 48 h. No significant differences of the bacterial communities were observed between the beetles in 0 and 9 mg/ g alpha-pinene concentration in phloem media after 48 h. Our results showed that the inhibition of the feeding behavior of D. valens and the disturbance to its gut bacterial communities in 9 mg/ g alpha-pinene concentration in phloem media after 6 h were eliminated after 48 h. The resilience of gut bacterial community of D. valens may help the beetle catabolize pine defense chemical.
Source: INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
Related URLs: 10.3390/ijms17111734
Appears in Collections:其他_期刊论文

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Recommended Citation:
Xu, Letian,Shi, Zhanghong,Wang, Bo,et al. Pine Defensive Monoterpene Alpha-pinene Influences The Feeding Behavior Of Dendroctonus Valens And Its Gut Bacterial Community Structure[J]. International Journal Of Molecular Sciences,2016,17(11):-.

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