Abstract

Sacbrood virus (SBV) is one of the most common viral infections of honeybees. The entire genome sequence for nine SBV infecting honeybees, Apis cerana and Apis mellifera, in Vietnam, namely AcSBV-Viet1, AcSBV-Viet2, AcSBV-Viet3, AmSBV-Viet4, AcSBV-Viet5, AmSBV-Viet6, AcSBV-Viet7, AcSBV-Viet8, and AcSBV-Viet9, was determined. These sequences were aligned with seven previously reported complete genome sequences of SBV from other countries, and various genomic regions were compared. The Vietnamese SBVs (VN-SBVs) shared 91–99% identity with each other, and shared 89–94% identity with strains from other countries. The open reading frames (ORFs) of the VN-SBV genomes differed greatly from those of SBVs from other countries, especially in their VP1 sequences. The AmSBV-Viet6 and AcSBV-Viet9 genome encodes 17 more amino acids within this region than the other VN-SBVs. In a phylogenetic analysis, the strains AmSBV-Viet4, AcSBV-Viet2, and AcSBV-Viet3 were clustered in group with AmSBV-UK, AmSBV-Kor21, and AmSBV-Kor19 strains. Whereas, the strains AmSBV-Viet6 and AcSBV-Viet7 clustered separately with the AcSBV strains from Korea and AcSBV-VietSBM2. And the strains AcSBV-Viet8, AcSBV-Viet1, AcSBV-Viet5, and AcSBV-Viet9 clustered with the AcSBV-India, AcSBV-Kor and AcSBV-VietSBM2. In a Simplot graph, the VN-SBVs diverged stronger in their ORF regions than in their 5′ or 3′ untranslated regions. The VN-SBVs possess genetic characteristics which are more similar to the Asian AcSBV strains than to AmSBV-UK strain. Taken together, our data indicate that host specificity, geographic distance, and viral cross-infections between different bee species may explain the genetic diversity among the VN-SBVs in A. cerana and A. mellifera and other SBV strains.

Details

Title
Comparative Genomic Analysis for Genetic Variation in Sacbrood Virus of Apis cerana and Apis mellifera Honeybees From Different Regions of Vietnam
Author
Reddy, Kondreddy Eswar 1 ; Ha Thi Thu 2 ; Mi Sun Yoo 3 ; Mummadireddy Ramya 4 ; Bheemireddy, Anjana Reddy 5 ; Nguyen Thi Kim Lien 6 ; Nguyen Thi Phuong Trang 7 ; Bui Thi Thuy Duong 8 ; Hyun-Jeong, Lee 9 ; Seung-Won, Kang 3 ; Dong Van Quyen 10 

 Center for Honeybee Disease Control, Animal and Plant Quarantine Agency, 480 Anyang 6 dong, Anyang 420–480, South Korea; Plant Molecular Biology Lab, Department of Botany, S. K. University, Anantapur, Andhrapradesh, India; Animal and Nutrition Physiology Team, National Institute of Animal Science, Rural Development Administration, #1500 Kongjwipatjwi-ro, Iseo-myeon, Wanju-gun, South Korea 
 Molecular Microbiology Lab, Institute of Biotechnology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam; Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam 
 Center for Honeybee Disease Control, Animal and Plant Quarantine Agency, 480 Anyang 6 dong, Anyang 420–480, South Korea 
 Plant Molecular Biology Lab, Department of Botany, S. K. University, Anantapur, Andhrapradesh, India 
 Department of Sericulture, S. K. University, Anantapur, Andhrapradesh, India 
 Functional Genomics Lab, Institute of Genome Research, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam 
 Department of Molecular Systematics and Conservation Genetics, Institute of Ecology and Biological Resources, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam 
 Molecular Microbiology Lab, Institute of Biotechnology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam 
 Animal and Nutrition Physiology Team, National Institute of Animal Science, Rural Development Administration, #1500 Kongjwipatjwi-ro, Iseo-myeon, Wanju-gun, South Korea 
10  Molecular Microbiology Lab, Institute of Biotechnology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam; Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam; University of Science and Technology of Ha Noi, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam 
Publication year
2017
Publication date
Sep 2017
Publisher
Oxford University Press
e-ISSN
15362442
Source type
Scholarly Journal
Language of publication
English
ProQuest document ID
3170688456
Copyright
© The Authors 2017. Published by Oxford University Press on behalf of Entomological Society of America. This work is published under http://creativecommons.org/licenses/by-nc/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.