HOST-RANGE AND SEQUENCE-ANALYSIS OF AN ISOLATE OF POTATO-VIRUS-Y INDUCING VENOUS NECROSIS IN PEPPER

被引：13

作者：

DAQUINO, L ^{[1
]}

DALMAY, T ^{[1
]}

BURGYAN, J ^{[1
]}

RAGOZZINO, A ^{[1
]}

SCALA, F ^{[1
]}

机构：

[1] UNIV NAPLES, IST PATOL VEGETALE, I-80055 PORTICI, ITALY

来源：

PLANT DISEASE | 1995年 / 79卷 / 10期

关键词：

PVY COAT PROTEIN SEQUENCE; PVY 3' NONCODING REGION SEQUENCE; PVY TAXONOMY;

D O I：

10.1094/PD-79-1046

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

An isolate of potato virus Y (PVY), obtained from pepper (Capsicum annuum L.) showing veinal necrosis and named PVY-nnp, was compared with other PVY isolates for host range. In addition, the 3' noncoding region (3'-NCR) and coat protein gene (CP-gene) of PVY-nnp were cloned, sequenced, and aligned with the same regions of other PVY isolates. Biological characterization showed that PVY-nnp differs from all other PVY strains including isolates commonly infecting pepper. The nucleotide sequence comparison of PVY-nnp with other PVY isolates exhibited a homology ranging from 85.5 to 99.7% for the 3'-NCR, and from 87.5 to 94% for the CP-gene. The deduced amino acid sequence of the CP had a similarity ranging from 94.7 to 97.3%. These results indicate that PVY-nnp is a PVY isolate in spite of its peculiar biological properties.

引用

页码：1046 / 1050

页数：5

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