Journal
MICROBIOLOGYOPEN
Volume 6, Issue 2, Pages -Publisher
WILEY
DOI: 10.1002/mbo3.415
Keywords
bacteria; biocontrol; Bursaphelenchus xylophilus; endophytes; nematodes; pine wilt disease
Categories
Funding
- Fundo Florestal Permanente and Autoridade Florestal Nacional
- FEDER funds
- Fundacao para a Ciencia e a Tecnologia (FCT) [PTDC/AGRCFL/115373/2009, SFRH/BD/61311/2009, SFRH/BPD/100721/2014]
- Fundação para a Ciência e a Tecnologia [SFRH/BD/61311/2009] Funding Source: FCT
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Pine wilt disease (PWD) is one of the most destructive diseases in trees of the genus Pinus and is responsible for environmental and economic losses around the world. The only known causal agent of the disease is the pinewood nematode (PWN) Bursaphelenchus xylophilus. Despite that, bacteria belonging to several different genera have been found associated with PWN and their roles in the development of PWD have been suggested. Molecular methodologies and the new era of genomics have revealed different perspectives to the problem, recognizing the manifold interactions between different organisms involved in the disease. Here, we reviewed the possible roles of nematode-carried bacteria in PWD, what could be the definition of this group of microorganisms and questioned their origin as possible endophytes, discussing their relation within the endophytic community of pine trees. The diversity of the nematode-carried bacteria and the diversity of pine tree endophytes, reported until now, is revised in detail in this review. What could signify a synergetic effect with PWN harming the plant, or what could equip bacteria with functions to control the presence of nematodes inside the tree, is outlined as two possible roles of the microbial community in the etiology of this disease. An emphasis is put on the potential revealed by the genomic data of isolated organisms in their potential activities as effective tools in PWD management.
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