Molecular identification of Brucella species and biovars associated with animal and human infection in Iran

سال انتشار: 1398
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 57

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شناسه ملی سند علمی:

JR_VRFAN-10-4_007

تاریخ نمایه سازی: 25 آبان 1402

چکیده مقاله:

Brucellosis is a costly contagious disease of human, domestic and wild animals. It is a serious health problem in Iran causing significant economic losses therefore, control approaches to prevent its spread are of great importance. In Iran, the species and biovars of virulent Brucella species are still under-reported due to the inadequate diagnostic protocols and insufficient laboratory facilities. The objective of this study was to characterize Brucella isolates obtained from passive animal and human surveillance in Iran from ۲۰۱۱ to ۲۰۱۸ in order to understand the current epidemiological situation of the disease. A total of ۴۱۹ samples (milk, blood, cerebrospinal fluid, abomasum content and aborted fetus tissues) were collected from ۶۵ cases/case series (human and animals) and examined bacteriologically. The initially identified Brucella isolates were further characterized using phenotypic and molecular approaches. All recovered isolates were either B. abortus or B. melitensis. The infection in sheep appeared to be exclusively associated with B. melitensis, but both B. abortus and B. melitensis were common in bovine samples. Samples from one sheep and one goat were confirmed to be infected by the B. melitensis vaccine strain Rev۱. In spite of B. abortus burden in animals (۱۴ cases in cattle and camel), brucellosis in human was predominantly associated with B. melitensis (۱۵ cases). The results confirmed that B. melitensis biovar ۱ and B. abortus biovar ۳ remain the most prevalent biovars in Iran. This report builds a picture of the significance of different Brucella species in different hosts in Iran and provides applicable information for the healthcare professionals about the public health risks of brucellosis and relevant preventive strategies.

کلیدواژه ها:

Brucellosis ، Bruce ladder ، PCR ، Brucella species and biovars

نویسندگان

Maryam Dadar

Department of Brucellosis, Razi Vaccine and Serum Research Institute (RVSRI); Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran

Saeed Alamian

Department of Brucellosis, Razi Vaccine and Serum Research Institute (RVSRI); Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran

Ali Mohammad Behrozikhah

Department of Brucellosis, Razi Vaccine and Serum Research Institute (RVSRI); Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran

Freshteh Yazdani

Department of Brucellosis, Razi Vaccine and Serum Research Institute (RVSRI); Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran

Armin Kalantari

Department of Brucellosis, Razi Vaccine and Serum Research Institute (RVSRI); Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran

Afshar Etemadi

Department of Brucellosis, Razi Vaccine and Serum Research Institute (RVSRI); Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran

Adrian Whatmore

Animal and Plant Health Agency (APHA), Addlestone, Surrey, United Kingdom

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