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Association of a Distinct Begomovirus and a Betasatellite with Leaf Curl Symptoms in Pedilanthus tithymaloides
Author(s) -
Tahir Muhammad,
Haider Muhammad Saleem,
Iqbal Javed,
Briddon Rob William
Publication year - 2009
Publication title -
journal of phytopathology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.53
H-Index - 60
eISSN - 1439-0434
pISSN - 0931-1785
DOI - 10.1111/j.1439-0434.2008.01464.x
Subject(s) - begomovirus , leaf curl , biology , geminiviridae , nucleic acid sequence , virology , plant virus , sequence (biology) , sequence analysis , virus , curl (programming language) , nucleotide , genetics , gene , computer science , programming language
Pedilanthus tithymaloides (Redbird flower) is an ornamental shrub that occasionally exhibits leaf curl and enation symptoms in Pakistan. Symptoms were shown to be associated with a monopartite begomovirus and a betasatellite. The complete nucleotide sequence of the begomovirus was found to be 2764 nucleotides in length and have the highest nucleotide sequence identity to a begomovirus previously isolated from tomato (90.3% nucleotide sequence identity), followed by Radish leaf curl virus (86.3%). The complete betasatellite sequence was determined to be 1358 nucleotides in length and has the highest sequence identity (97%) with Tobacco leaf curl betasatellite . The analysis shows the begomovirus associated with leaf curl disease of Pedilanthus to be a distinct and previously unreported begomovirus for which the name Pedilanthus leaf curl virus (PedLCV) is proposed. This virus is one of an increasing number of monopartite begomoviruses shown to be associated with a betasatellite.