1株H12N7亚型禽流感病毒全基因组测定及遗传演化分析

doi:10.11843/j.issn.0366-6964.2014.11.015

Abstract

Abstract:

H12N7 subtype avian influenza virus (AIV) ［A/Environment /Hunan/S4484/2011(H12N7)］ was isolated from a duck farm environment in Dongting lake of Hunan during the routine epidemiologic surveillance in 2011.The sequence analysis of the hemagglutinin (HA) gene showed that the virus was categorized as low pathogenic AIV，with the typical HA cleavage site of PQAQDR↓GLF.The phylogenic analysis indicated that all 8 segments of A/Environment /Hunan/S4484/2011(H12N7) was derived from the Eurasian lineage，but the source of the 8 gene segments was very complex，and the highly homologous was observed with different subtypes of AIVs in some regions in Asia and Europe in varying degrees and extensively.Our results suggested that the virus may be a multi-origin reassortant virus.

Key words: avian influenza virus, H12N7 subtype, phylogenetic analysis

CLC Number:

S852.659.5

TAN Dan，CUI Peng-fei，HUANG Jian-long，WANG Chang-jian，LI Wen-hui，FAN Zhong-xin，ZHANG Fang,HE Shi-cheng，TANG Xiao-ming，LIU Dao-xin，DENG Guo-hua. Genetic Analysis of the Entire Genome of One H12N7 Subtype Avian Influenza Virus[J]. ACTA VETERINARIA ET ZOOTECHNICA SINICA, 2014, 45(11): 1844-1850.

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Genetic Analysis of the Entire Genome of One H12N7 Subtype Avian Influenza Virus

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