A novel class of DNA satellites associated with New World begomoviruses

Virology
Elvira Fiallo-OlivéJesús Navas-Castillo

Abstract

Begomoviruses (family Geminiviridae) are whitefly-transmitted plant DNA viruses that have been shown to be helper viruses for a number of distinct DNA satellites, including betasatellites and alphasatellites. Replication of the satellites interferes to some degree with replication of the helper and in some cases they affect the disease symptoms. To date, betasatellites and related molecules such as the satellite associated with Tomato leaf curl virus (ToLCV-sat), have only been associated with Old World begomoviruses. Here, we report the discovery and characterization of subviral molecules associated with bipartite begomoviruses from the New World, which constitute a novel class of DNA satellites, in two malvaceous plant species. These molecules, in addition to sharing some genetic features with betasatellites and ToLCV-sat, contain nucleotide stretches of begomoviral origin, presumably the remains of recombination events involved in their origin.

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Citations

Aug 7, 2013·Annual Review of Phytopathology·Xueping Zhou
Apr 26, 2013·Molecular Plant Pathology·Vincent N Fondong
Feb 13, 2016·Journal of Virology·Joseph NdunguruLinda Hanley-Bowdoin
Dec 4, 2019·Recent Patents on Biotechnology·Saurabh Kulshrestha Vanshika
May 10, 2017·BMC Bioinformatics·Jose Cleydson F SilvaElizabeth P B Fontes
May 11, 2018·Archives of Virology·Soumita DasP V Shivaprasad
Nov 28, 2019·Virus Genes·Muhammad MubinMuhammad Shah Nawaz-Ul-Rehman
Oct 13, 2020·Frontiers in Plant Science·Pengbai LiLing Qing
Apr 27, 2021·Frontiers in Microbiology·Karuppannan Veluthambi, Sukumaran Sunitha

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