Molecular characterization of a distinct monopartite begomovirus associated with betasatellites and alphasatellites infecting Pisum sativum in Nepal

Pea ( Pisum sativum ) plants exhibiting leaf distortion, yellowing, stunted growth and reduction in leaf size from Rampur, Nepal were shown to be infected by a begomovirus in association with betasatellites and alphasatellites. The begomovirus associated with the disease showed only low levels of nu...

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Bibliographic Details
Published in:Virus genes 2017-04, Vol.53 (2), p.300-306
Main Authors: Shahid, M. S., Pudashini, B. J., Khatri-Chhetri, G. B., Briddon, R. W., Natsuaki, K. T.
Format: Article
Language:English
Subjects:
Ageratum
Base Sequence - genetics
Begomovirus
Begomovirus - genetics
Begomovirus - pathogenicity
Biomedical and Life Sciences
Biomedicine
DNA, Single-Stranded - genetics
Genome, Viral - genetics
Ludwigia
Medical Microbiology
Molecular Sequence Data
Nepal
Pisum sativum
Pisum sativum - growth & development
Pisum sativum - virology
Plant Diseases - genetics
Plant Diseases - virology
Plant Sciences
Virology
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Summary:Pea ( Pisum sativum ) plants exhibiting leaf distortion, yellowing, stunted growth and reduction in leaf size from Rampur, Nepal were shown to be infected by a begomovirus in association with betasatellites and alphasatellites. The begomovirus associated with the disease showed only low levels of nucleotide sequence identity (78%) nucleotide sequence identity to isolates of Ludwigia leaf distortion betasatellite (LuLDB), and the second group had less than 78% to all other betasatellite sequences. This showed PLDV to be associated with either LuLDB or a previously undescribed betasatellite for which the name Pea leaf distortion betasatellite is proposed. Two types of alphasatellites were identified in the PLDV-infected pea plants. The first type showed high levels of sequence identity to Ageratum yellow vein alphasatellite, and the second type showed high levels of identity to isolates of Sida yellow vein China alphasatellite. These are the first begomovirus, betasatellites and alphasatellites isolated from pea.
ISSN:0920-8569
1572-994X
DOI:10.1007/s11262-016-1424-9