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A Novel Iflavirus Was Discovered in Green Rice Leafhopper and Its Proliferation Was Inhibited by Infection of Rice Dwarf Virus. | LitMetric

A Novel Iflavirus Was Discovered in Green Rice Leafhopper and Its Proliferation Was Inhibited by Infection of Rice Dwarf Virus.

Front Microbiol

State Key Laboratory of Rice Biology, Ministry of Agriculture and Rural Affairs Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Insect Sciences, Zhejiang University, Hangzhou, China.

Published: January 2021

AI Article Synopsis

Article Abstract

The green rice leafhopper, (Hemiptera: Cicadellidae), is a key insect vector transmitting rice dwarf virus (RDV) that causes rice dwarf disease. We discovered a novel iflavirus from the transcriptomes of and named it as Nephotettix cincticeps positive-stranded RNA virus-1 (NcPSRV-1). The viral genome consists of 10,524 nucleotides excluding the poly(A) tail and contains one predicted open reading frame encoding a polyprotein of 3,192 amino acids, flanked by 5' and 3' untranslated regions. NcPSRV-1 has a typical iflavirus genome arrangement and is clustered with the members of the family in the phylogenetic analysis. NcPSRV-1 was detected in all tested tissues and life stages of and could be transmitted horizontally and vertically. Moreover, NcPSRV-1 had high prevalence in the laboratory populations and was widely spread in field populations of . NcPSRV-1 could also infect the two-striped leafhopper, , at a 3.33% infection rate, but was absent in the zigzag leafhopper, , and rice variety TN1. The infection of RDV altered the viral load and infection rate of NcPSRV-1 in , for which it seems that RDV has an antagonistic effect on NcPSRV-1 infection in the host.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7820178PMC
http://dx.doi.org/10.3389/fmicb.2020.621141DOI Listing

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