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- Title
Community and functional diversity of bacteria associated with propagative and dispersal forms of Bursaphelenchus xylophilus.
- Authors
Xiao-Qin WU; Qi XUE; Yang XIANG; Xiao-Lei DING; Xiao-Lu XU; Jian-Ren YE
- Abstract
The pine wood nematode (PWN), Bursaphelenchus xylophilus, the pathogen of pine wilt disease, has propagative and dispersal forms in its life cycle, which is associated with the insect vector Monochamus alternatus. Pine wood nematode-associated bacteria could play important roles in pine wilt disease. In this study, the diversity and population dynamics of bacteria in propagative and dispersal stages of PWN were analysed using cultural and Biolog Eco™ methods coupled with high-throughput sequencing. The results revealed that culturable Stenotrophomonas in PWN from diseased pine was not found from M. alternatus. Bacteria in dispersal PWN carried by M. alternatus showed the highest total carbon utilisation. The high-throughput analysis showed that Stenotrophomonas, Achromobacter and Sphingobacterium were more abundant in propagative PWN than in dispersal PWN, whereas Citrobacter, Vibrio and Enterobacteriaceae were more abundant in dispersal PWN. The results showed that bacteria of PWN in different developmental forms differed. This change of bacteria might help PWN to adapt to the changing environment.
- Subjects
PINEWOOD nematode; CONIFER wilt; MONOCHAMUS alternatus; STENOTROPHOMONAS maltophilia; ACHROMOBACTER; CITROBACTER; ENTEROBACTERIACEAE
- Publication
Nematology, 2016, Vol 18, Issue 10, p1185
- ISSN
1388-5545
- Publication type
Article
- DOI
10.1163/15685411-00003024