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Article

Genome Analysis of a Novel Clade b Betabaculovirus Isolated from the Legume Pest Matsumuraeses phaseoli (Lepidoptera: Tortricidae)

by
Ruihao Shu
1,
Qian Meng
1,
Lin Miao
1,
Hongbin Liang
2,
Jun Chen
2,
Yuan Xu
2,
Luqiang Cheng
1,3,
Wenyi Jin
1,4,
Qilian Qin
1 and
Huan Zhang
1,*
1
State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
2
National Animal Collection Resource Center, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
3
College of Horticulture and Plant Protection, Yangzhou University, Yangzhou 225009, China
4
College of Life Sciences, Hebei University, Baoding 071002, China
*
Author to whom correspondence should be addressed.
Viruses 2020, 12(10), 1068; https://doi.org/10.3390/v12101068
Submission received: 25 August 2020 / Revised: 17 September 2020 / Accepted: 20 September 2020 / Published: 23 September 2020
(This article belongs to the Special Issue Evolution and Diversity of Insect Viruses)
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Abstract

Matsumuraeses phaseoli is a Lepidopteran pest that primarily feeds on numerous species of cultivated legumes, such as Glycine and Phaseolus. It is widely distributed in northeast Asia. A novel granulovirus, designated as Matsumuraeses phaseoli granulovirus (MaphGV), was isolated from pathogenic M. phaseoli larvae that dwell in rolled leaves of Astragalus membranaceus, a Chinese medicinal herb. In this study, using next-generation sequencing, we report the complete genome of MaphGV. MaphGV genome comprises a double-stranded DNA of 116,875 bp, with 37.18% GC content. It has 128 hypothetical open reading frames (ORFs). Among them, 38 are baculovirus core genes, 18 are lepidopteran baculovirus conserved genes, and 5 are unique to Baculoviridae. MaphGV has one baculovirus repeat ORF (bro) and three inhibitors of apoptosis proteins (iap), including a newfound iap-6. We found two atypical baculoviral homologous regions (hrs) and four direct repeats (drs) in the MaphGV genome. Based on phylogenetic analysis, MaphGV belongs to Clade b of Betabaculovirus and is closely related to Cydia pomonellagranulovirus (CpGV) and Cryptophlebia leucotretagranulovirus (CrleGV). This novel baculovirus discovery and sequencing are invaluable in understanding the evolution of baculovirus and MaphGV may be a potential biocontrol agent against the bean ravaging pest.
Keywords: granulovirus; baculovirus genome; biological control; pest management granulovirus; baculovirus genome; biological control; pest management

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MDPI and ACS Style

Shu, R.; Meng, Q.; Miao, L.; Liang, H.; Chen, J.; Xu, Y.; Cheng, L.; Jin, W.; Qin, Q.; Zhang, H. Genome Analysis of a Novel Clade b Betabaculovirus Isolated from the Legume Pest Matsumuraeses phaseoli (Lepidoptera: Tortricidae). Viruses 2020, 12, 1068. https://doi.org/10.3390/v12101068

AMA Style

Shu R, Meng Q, Miao L, Liang H, Chen J, Xu Y, Cheng L, Jin W, Qin Q, Zhang H. Genome Analysis of a Novel Clade b Betabaculovirus Isolated from the Legume Pest Matsumuraeses phaseoli (Lepidoptera: Tortricidae). Viruses. 2020; 12(10):1068. https://doi.org/10.3390/v12101068

Chicago/Turabian Style

Shu, Ruihao, Qian Meng, Lin Miao, Hongbin Liang, Jun Chen, Yuan Xu, Luqiang Cheng, Wenyi Jin, Qilian Qin, and Huan Zhang. 2020. "Genome Analysis of a Novel Clade b Betabaculovirus Isolated from the Legume Pest Matsumuraeses phaseoli (Lepidoptera: Tortricidae)" Viruses 12, no. 10: 1068. https://doi.org/10.3390/v12101068

APA Style

Shu, R., Meng, Q., Miao, L., Liang, H., Chen, J., Xu, Y., Cheng, L., Jin, W., Qin, Q., & Zhang, H. (2020). Genome Analysis of a Novel Clade b Betabaculovirus Isolated from the Legume Pest Matsumuraeses phaseoli (Lepidoptera: Tortricidae). Viruses, 12(10), 1068. https://doi.org/10.3390/v12101068

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