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Updated: Sep 4, 2025

Phage Phenomics: Physiological Approaches to Characterize Novel Viral Proteins
Published on: June 11, 2015
Identification of two novel putative satellite RNAs with hammerhead structures in the virome of French and Spanish
B M Babalola1, D Schönegger2, C Faure2
1Centro de Biotecnología y Genómica de Plantas UPM-INIA, E.T.S.I. Agronómica, Alimentaria y de Biosistemas, Campus de Montegancedo, Universidad Politécnica de Madrid, Pozuelo de Alarcón, 28223, Madrid, Spain.
Abstract:
Carrot virome analysis using high-throughput sequencing revealed the presence of two RNA molecules with properties of satellite RNAs that are homologous to the satellite RNA of cereal yellow dwarf virus-RPV (CYDV-RPV). Satellite 1 is 298 nt long, while satellite 2 is 368 nt long. Their positive and negative genome strands contain hammerhead ribozymes similar to those found in other self-cleaving satellite RNAs. While both satellites were detected in Spanish carrot populations, only satellite 2 was found in French carrot populations. The most likely helper virus for these two satellites is carrot red leaf virus (CtRLV), which, like CYDV-RPV, is a polerovirus.
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