株大腸桿菌對頭孢他啶、頭孢曲松、阿米卡星敏感,對其他15種藥物耐藥,能檢測到 TEM、aacC2、aacC4、qnrA、sul1、sul2floR和tetA耐藥基因;3株大腸桿菌均能致死小鼠,E.coli-SW和E.coli-FX檢測到fyuA和 i r p 2 毒力基因,而E.coli-SP未檢測到毒力基因。[結(jié)論]分離的3株大腸桿菌具有多重耐藥性和一定的致病性,可為當(dāng)?shù)伉澰创竽c桿菌病的防治和研究提供參考。-龍?jiān)雌诳W(wǎng)" />

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鴿源大腸桿菌的分離鑒定·耐藥性及致病性分析

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關(guān)鍵詞鴿;大腸桿菌;分離鑒定;耐藥性;致病性中圖分類號S858.39文獻(xiàn)標(biāo)識(shí)碼A文章編號 0517-6611(2025)08-0070-06doi:10.3969/j.issn.0517-6611.2025.08.015

開放科學(xué)(資源服務(wù))標(biāo)識(shí)碼(OSID):

AbstractObetie]TopovidereferencefortheprevetioandcontrolofEscherichcolidiseaseandliicalmedicationinpigeobd ingMethod]oadaldctealttgsitalo tinganddetectionofsistaegensandviulencegensResulteesulssowdtatorofschericcoliwasisolaterote livertissueofdeasedpigeonsonestrainfroteanalswabofdarealpgeonsdoestrainfromtheeadebropigeongaed E coli-SWEclodt drugs.The resistance genes of T E M , a a c C 2 , a a c C 4 , q n r A , s u l 1 , s u l 2 , f l o R , and tetA could be detected.Three strains of Escherichia coli could kill mice,the virulence genes fyuA and irp2 were detected in E .coli-SW and E.coli-FX,while no virulence genes were detected in E.coli-SP.[Conclusion]Thresolatedasofeccoliveuplegsistaedrtainptogeciyodingfereefore and research of Escherichia coli disease of pigeons in the local area.

Key Words Pigeon;Escherichia coli;Isolation and identification;Drug resistance;Pathogenicity

大腸桿菌(Escherichiacoli)是一種廣泛分布于自然界、人類和動(dòng)物的革蘭氏陰性人獸共患病原菌,它不僅嚴(yán)重危害畜禽養(yǎng)殖業(yè)發(fā)展,還可以通過污染的蔬菜、飲水、動(dòng)物源產(chǎn)品及其他食品導(dǎo)致食源性疾病的發(fā)生,從而威脅人類健康和公共衛(wèi)生安全[1-2];此外,大腸桿菌多重耐藥情況嚴(yán)峻,這些耐藥菌株和耐藥基因可以通過環(huán)境和食物鏈引起公共衛(wèi)生安全問題[3-4]。(剩余8025字)

目錄
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