Isolation and identification of pathogenic Aeromonas veronii from a dead Yangtze finless porpoise

Z. G. Liu; A. F. Zheng; M. M. Chen; Y. X. Lian; X. K. Zhang; S. Z. Zhang; D. Yu; J. K. Li

doi:10.3354/dao03288

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Diseases of Aquatic Organisms

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DAO 132:13-22 (2018) - DOI: https://doi.org/10.3354/dao03288

Isolation and identification of pathogenic Aeromonas veronii from a dead Yangtze finless porpoise

Z. G. Liu^1,2,3, A. F. Zheng^2,3, M. M. Chen^2,3, Y. X. Lian^2,3, X. K. Zhang^2,3, S. Z. Zhang^2,3, D. Yu^2,3,, J. K. Li^1,^,**

¹College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, PR China
²College of Life Science, Anqing Normal University, Anqing 246011, PR China
³Research Center of Aquatic Organism Conservation and Water Ecosystem Restoration in Anhui Province, Anqing Normal University, Anqing 246011, PR China

*These authors contributed equally to this paper**Corresponding author: lijk210@mail.hzau.edu.cn

ABSTRACT: Diseases caused by Aeromonas veronii in freshwater fish have been widely reported, but other species such as aquatic mammals have probably been overlooked. Here, we identified one isolate of A. veronii from a Yangtze finless porpoise Neophocaena asiaeorientalis asiaeorientalis exhibiting disease and mortality, and subsequently confirmed its virulence in artificial infection of BALB/c mice. The bacterial isolate was identified as A. veronii based on physiological, biochemical, and phenotypic features, and homology of the 16S rRNA, cpn60, rpoB, dnaJ and gyrB genes. Our results expand the known host spectrum of A. veronii, which is of great importance for the etiology of porpoise, dolphin, and other cetacean diseases.

KEY WORDS: Yangtze finless porpoise · Aeromonas veronii · Isolation · Identification · Biological characteristics

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Cite this article as: Liu ZG, Zheng AF, Chen MM, Lian YX and others (2018) Isolation and identification of pathogenic Aeromonas veronii from a dead Yangtze finless porpoise. Dis Aquat Org 132:13-22. https://doi.org/10.3354/dao03288

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DAO 132:13-22 (2018) - DOI: https://doi.org/10.3354/dao03288

Isolation and identification of pathogenic Aeromonas veronii from a dead Yangtze finless porpoise

Z. G. Liu1,2,3, A. F. Zheng2,3, M. M. Chen2,3, Y. X. Lian2,3, X. K. Zhang2,3, S. Z. Zhang2,3, D. Yu2,3,*, J. K. Li1,*,**

Z. G. Liu^1,2,3, A. F. Zheng^2,3, M. M. Chen^2,3, Y. X. Lian^2,3, X. K. Zhang^2,3, S. Z. Zhang^2,3, D. Yu^2,3,, J. K. Li^1,^,**