The population genetics of maize dwarf mosaic virus in Spain

被引：12
作者：
Achon, M. A. [1 ]
Larranaga, A. [1 ]
Alonso-Duenas, N. [1 ]
机构：
[1] Univ Lleida, Dept Prod Vegetal & Ciencia Forestal, Lleida 25198, Spain
来源：
ARCHIVES OF VIROLOGY | 2012年 / 157卷 / 12期
关键词：
RNA VIRUSES; RECOMBINATION; SEQUENCES; RATES; POTYVIRUSES; VARIABILITY; DIVERSITY; EVOLUTION; HOST;
D O I：
10.1007/s00705-012-1427-3
中图分类号：
Q93 [微生物学];
学科分类号：
071005 ; 100705 ;
摘要：
The population genetics of maize dwarf mosaic virus (MDMV) in Spain was assessed by analysis of the P1-HC region. Restriction fragment length polymorphism analysis of 363 isolates revealed that the MDMV population consisted of 69 haplotypes. Sequence analysis of 112 isolates confirmed a high degree of nucleotide sequence diversity (0.143), which was higher for P1 than for the HC. Twelve sequences showed a single different recombination event. Selection pressure analysis revealed that the P1-HC region was under strong negative selection. The MDMV population was spatially structured but not structured temporally or by host. Phylogenetic analysis split the sequences into five major groups.
引用
收藏
页码：2377 / 2382
页数：6
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