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Title: The mitochondrial genome of the pinewood nematode (Bursaphelenchus xylophilus) lineage introduced in Europe
Authors: Moreira, Claudia
Asch, Barbara
Fonseca, Luís
Castro-Pereira, Isabel
Silva, Raquel
Azevedo, Luisa
Mota, Manuel
Abrantes, Isabel
Amorim, António
Pereira, Filipe
Editors: Pereira, Filipe
Keywords: Bursaphelenchus xylophilus,
pine wilt disease
Issue Date: 2014
Publisher: Mitocondrial DNA
Abstract: he pinewood nematode (PWN) Bursaphelenchus xylophilus is the causative agent of pine wilt disease and the greatest biological threat to conifer forests worldwide. Here we describe the near-complete mitochondrial DNA (mtDNA) sequence (12,945 bp) of the PWN lineage recently introduced in Europe. The absence of polymorphisms across the mtDNA of three Portuguese isolates suggests that a single mitochondrial lineage was introduced in southwestern Europe. We also found that Portuguese isolates have an incomplete stop codon (TA) at COX3, while the reference mtDNA from a South Korean isolate has a complete stop codon (TAA). Moreover, two insertion/deletion polymorphisms change the ND4 protein in a stretch of seven amino acids, and a polymorphic mononucleotide repeat alters the predicted structure of the tyrosine tRNA in different geographical isolates. Overall, the new PWN mtDNA sequence provides a basis for studying the European dispersion of this important invasive species.
ISSN: 1940-1736 (print), 1940-1744 (electronic)
Type: article
Appears in Collections:CEHFC - Publicações - Artigos em Revistas Internacionais Com Arbitragem Científica

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