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Phylogenetic and molecular analysis based on genes 16S-rRNA, OMPA and POMP to identify Chlamydia abortus infection occurrence at the milk samples of goats and sheep in west Azerbaijan of Iran.


ABSTRACT:

Background and objectives

Enzootic abortion in sheep and goats, also called ovine enzootic abortion (OEA) or enzootic abortion of ewes (EAE), is caused by Chlamydia abortus. The disease has a major economic impact as it represents the most important cause of lamb loss in sheep in parts of Europe, North America and Africa. This serious and potentially life-threatening zoonosis can also affect pregnant women after contact with lambing ewes, leading to severe febrile illness in pregnancy and loss of the foetus.

Materials and methods

The present study was conducted to the Phylogenetic and Molecular Analysis based on Genes 16S-rRNA, OmpA and POMP of C. abortus in milk samples collected from sheep and goats in West Azerbaijan province, Iran. During 2018, a total number of 360 milk samples were collected from sheep (n = 180) and goats (n = 180) of different regions of the province. All milk samples were subjected to DNA extraction and examined by PCR.

Results

Among 360 milk samples collected from sheep and goats, 31 (8.611%; 95% CI=6.13-11.96) were positive for Chlamydia spp. The helicase, 16S-rRNA and ompA genes were examined and resulted in 8, 31, 31 of positive samples respectively. The accession numbers have been deposited in GenBank (NCBI) (MT367602 and MT367603).

Conclusion

Phylogenetic analysis based on the gene of helicase showed that most of the isolates shared similarity > 99.97%.

SUBMITTER: Taheri F 

PROVIDER: S-EPMC8421589 | biostudies-literature | 2021 Aug

REPOSITORIES: biostudies-literature

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Publications

Phylogenetic and molecular analysis based on genes 16S-rRNA, OMPA and POMP to identify <i>Chlamydia abortus</i> infection occurrence at the milk samples of goats and sheep in west Azerbaijan of Iran.

Taheri Fariba F   Ownagh Abdulghaffar A   Mardani Karim K  

Iranian journal of microbiology 20210801 4


<h4>Background and objectives</h4>Enzootic abortion in sheep and goats, also called ovine enzootic abortion (OEA) or enzootic abortion of ewes (EAE), is caused by <i>Chlamydia abortus</i>. The disease has a major economic impact as it represents the most important cause of lamb loss in sheep in parts of Europe, North America and Africa. This serious and potentially life-threatening zoonosis can also affect pregnant women after contact with lambing ewes, leading to severe febrile illness in pregn  ...[more]

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2022-12-26 | GSE221508 | GEO