Esterase Allozymes of Soybean Cyst Nematode, Heterodera glycines, from China, Japan, and the United States

Individual females from 19 populations of Heterodera glycines from China, Japan, and the United States were analyzed for esterase allozyme polymorphism. Eight esterase electrophoretic phenotypes were resolved. Four putative loci, est-1, est-2, est-3, and est-4, were identified, having one, one, two,...

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Détails bibliographiques
Publié dans:Journal of nematology. - 1969. - 30(1998), 4 vom: 09. Dez., Seite 468-76
Auteur principal: Noel, G R (Auteur)
Autres auteurs: Liu, Z L
Format: Article
Langue:English
Publié: 1998
Accès à la collection:Journal of nematology
Sujets:Journal Article Heterodera glycines allozyme biogeography colonization esterase polymorphism founder effect parsimony phylogenetic analysis soybean cyst nematode
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520 |a Individual females from 19 populations of Heterodera glycines from China, Japan, and the United States were analyzed for esterase allozyme polymorphism. Eight esterase electrophoretic phenotypes were resolved. Four putative loci, est-1, est-2, est-3, and est-4, were identified, having one, one, two, and one allele, respectively. The four loci expressed six genotypes in the four Chinese populations. Loci est-2, est-3, and est-4 were identified in five Japanese populations and expressed five genotypes, whereas only loci est-2 and est-3 were identified in 10 populations from the United States and expressed four genotypes. Putative alleles at each locus were defined as characters for data analysis. Phylogenetic analysis using parsimony (PAUP) was utilized to determine relationships among the 19 populations. More loci and alleles in populations from China and phylogenetic similarities among populations from Japan and the United States are consistent with a founder effect resulting from dissemination of progenitor H. glycines from China to Japan and subsequent introductions of founder populations from Japan to the United States 
650 4 |a Journal Article 
650 4 |a Heterodera glycines 
650 4 |a allozyme 
650 4 |a biogeography 
650 4 |a colonization 
650 4 |a esterase polymorphism 
650 4 |a founder effect 
650 4 |a parsimony 
650 4 |a phylogenetic analysis 
650 4 |a soybean cyst nematode 
700 1 |a Liu, Z L  |e verfasserin  |4 aut 
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