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松材线虫体表物质与其携带细菌的关系(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2011年05期
Page:
35-39
Column:
研究论文
publishdate:
2011-09-30

Article Info:/Info

Title:
The relationship between substance on the pine wood nematode body surfaceand bacteria carried by the nematode
Author(s):
BEN Ailing12 QI Jianguang1*
1.College of Forest Resources and Environment, Nanjing Forestry University,Nanjing 210037,China;2.School of Biochemical and Environmental Engineering, Nanjing Xiaozhuang University,Nanjing 211171,China
Keywords:
Bursaphelenchus xylophilus bacteria tropism
Classification number :
S763
DOI:
10.3969/j.jssn.1000-2006.2011.05.008
Document Code:
A
Abstract:
Pine wilt disease was complex infection caused by pine wood nematode (Bursaphelenchus xylophilus), and bacteria. Studying the relationship between B. xylophilus and bacteria may provide evidence for the pathogenic mechanism of pine wilt disease. To clarify the relationship, the bacterial strains were inoculated to marinade on different aseptic B. xylophilus surface body surface,and cultured aseptic B. xylophilus after added the bacteria was to the B. xylophilus suspension. The results showed that the reproduction of bacteria was stimulated by the marinade of B. xylophilus body surface, B. xylophilus numbers increased more rapidly with bacteria present than without bacteria. This revealed that the reproduction and growth of B. xylophilus was also promoted by the bacteria. In conclusion, B. xylophilus and the bacteria benefited each other. Experiments were also designed to investigate the tropism test of aseptic B. xylophilus and bacteria, and test the specificity between the B. xylophilus and bacteria it carried. The results indicated that the bacterial strain of P. agglomerans or the bacterial strain mixed with P. agglomerans had obvious taxis towards all isolates of aseptic B. xylophilus. Experiments also tested the specificity between the B. xylophilus and bacteria it carried. The results showed that the aseptic B. xylophilus has no taxis towards the bacteria it carried, and that there was no obvious specificity taxis to the B. xylophilus with the bacterial strains it carried.

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Last Update: 2011-09-30