Morphological and molecular analyses of a Meloidogyne mali population with high intragenomic rRNA polymorphism

© 2020 Authors.

Détails bibliographiques
Publié dans:Journal of nematology. - 1969. - 52(2020) vom: 02.
Auteur principal: Gu, Jianfeng (Auteur)
Autres auteurs: Fang, Yiwu, Liu, Lele
Format: Article en ligne
Langue:English
Publié: 2020
Accès à la collection:Journal of nematology
Sujets:Journal Article Acer palmatum Haplotype Japanese maple Mitochondrial COI Phylogeny Root-knot nematode
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520 |a Root-knot nematode, Meloidogyne mali can cause damage in trees, shrubs, and herbaceous plants, and was placed on the EPPO Alert List in 2014. In the present study, we report a population isolated from Japanese maple. The recovered population is described by detailed morphological and molecular approaches. The molecular phylogentic analysis based on 28S rRNA, ITS, and mitochondrial COI genes places the population in the clade together with other M. mali sequences available in GenBank. The cloned sequences of the 28S rRNA gene revealed a high intragenomic rRNA polymorphism where the polymorphic copies are spread across M. mali clade. Similarly, we also found high variation in the mitochondrial COI gene. Among four haplotypes in M. mali, three occur in the newly found population. Our study provides the first report of intragenomic polymorphism in M. mali, and the results suggest that intragenomic polymorphism maybe widespread in Meloidogyne 
650 4 |a Journal Article 
650 4 |a Acer palmatum 
650 4 |a Haplotype 
650 4 |a Japanese maple 
650 4 |a Mitochondrial COI 
650 4 |a Phylogeny 
650 4 |a Root-knot nematode 
700 1 |a Fang, Yiwu  |e verfasserin  |4 aut 
700 1 |a Liu, Lele  |e verfasserin  |4 aut 
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