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Volume 16
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10.3390/v16060919
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Article

Discovery of Two Novel Viruses of the Willow-Carrot Aphid, Cavariella aegopodii

by
Gaoyang Jiao
,
Zhuangxin Ye
,
Kehui Feng
,
Chuanxi Zhang
,
Jianping Chen
,
Junmin Li
and
Yujuan He
*
State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Key Laboratory of Biotechnology in Plant Protection of MARA and Zhejiang Province, Institute of Plant Virology, Ningbo University, Ningbo 315211, China
*
Author to whom correspondence should be addressed.
Viruses 2024, 16(6), 919; https://doi.org/10.3390/v16060919
Submission received: 11 April 2024 / Revised: 28 May 2024 / Accepted: 30 May 2024 / Published: 5 June 2024
(This article belongs to the Section Viruses of Plants, Fungi and Protozoa)
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Abstract

The advancement of bioinformatics and sequencing technology has resulted in the identification of an increasing number of new RNA viruses. This study systematically identified the RNA virome of the willow-carrot aphid, Cavariella aegopodii (Hemiptera: Aphididae), using metagenomic sequencing and rapid amplification of cDNA ends (RACE) approaches. C. aegopodii is a sap-sucking insect widely distributed in Europe, Asia, North America, and Australia. The deleterious effects of C. aegopodii on crop growth primarily stem from its feeding activities and its role as a vector for transmitting plant viruses. The virome includes Cavariella aegopodii virga-like virus 1 (CAVLV1) and Cavariella aegopodii iflavirus 1 (CAIV1). Furthermore, the complete genome sequence of CAVLV1 was obtained. Phylogenetically, CAVLV1 is associated with an unclassified branch of the Virgaviridae family and is susceptible to host antiviral RNA interference (RNAi), resulting in the accumulation of a significant number of 22nt virus-derived small interfering RNAs (vsiRNAs). CAIV1, on the other hand, belongs to the Iflaviridae family, with vsiRNAs ranging from 18 to 22 nt. Our findings present a comprehensive analysis of the RNA virome of C. aegopodii for the first time, offering insights that could potentially aid in the future control of the willow-carrot aphid.
Keywords: Cavariella aegopodii; aphid; RNA virome; high-throughput sequencing; RNA interference pathway Cavariella aegopodii; aphid; RNA virome; high-throughput sequencing; RNA interference pathway

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MDPI and ACS Style

Jiao, G.; Ye, Z.; Feng, K.; Zhang, C.; Chen, J.; Li, J.; He, Y. Discovery of Two Novel Viruses of the Willow-Carrot Aphid, Cavariella aegopodii. Viruses 2024, 16, 919. https://doi.org/10.3390/v16060919

AMA Style

Jiao G, Ye Z, Feng K, Zhang C, Chen J, Li J, He Y. Discovery of Two Novel Viruses of the Willow-Carrot Aphid, Cavariella aegopodii. Viruses. 2024; 16(6):919. https://doi.org/10.3390/v16060919

Chicago/Turabian Style

Jiao, Gaoyang, Zhuangxin Ye, Kehui Feng, Chuanxi Zhang, Jianping Chen, Junmin Li, and Yujuan He. 2024. "Discovery of Two Novel Viruses of the Willow-Carrot Aphid, Cavariella aegopodii" Viruses 16, no. 6: 919. https://doi.org/10.3390/v16060919

APA Style

Jiao, G., Ye, Z., Feng, K., Zhang, C., Chen, J., Li, J., & He, Y. (2024). Discovery of Two Novel Viruses of the Willow-Carrot Aphid, Cavariella aegopodii. Viruses, 16(6), 919. https://doi.org/10.3390/v16060919

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