Abstract:
BACKGROUND:Coccidiosis is a serious protozoal disease of poultry. The identification of Eimeria species has important implications for diagnosis and control as well as for epidemiology. The molecular characterization of Eimeria species infecting Egyptian baladi chickens was investigated. METHODS:Eimeria species oocysts were harvested from intestines of naturally infected Egyptian baldi chickens. The morphometry characterization of oocysts along with COCCIMORPH software was done. The DNA was extracted initially by freezing and thawing then the prepared samples was subjected to commercial DNA kits. The DNA products were analyzed through conventional polymerase chain reaction by using amplified region (SCAR) marker. RESULTS:The PCR results confirmed the presence of 7 Eimeria species in the examined fecal samples of Egyptian baldi breed with their specific ampilicon sizes being E. acervulina (811bp), E. brunette (626bp), E. tenella (539bp), E. maxima (272bp), E. necatrix (200bp), E. mitis (327bp) and E. praecopx (354bp). A sequencing of the two most predominant species of Eimeria was done, on E. tenella and E. máxima. Analysis of the obtained sequences revealed high identities 99% between Egyptian isolates and the reference one. Similarly, E. maxima isolated from Egyptian baldi chickens showed 98% nucleotide identities with the reference strain. Only single nucleotide substitution was observed among the Egyptian E. tenella isolates (A181G) when compared to the reference one. The Egyptian isolates acquired 4 unique mutations (A68T, C164T, G190A and C227G) in compared with the reference sequence. CONCLUSION:This is the first time to identify the 7 species of Eimeria from Egyptian baladi chickens.
journal_name
Iran J Parasitoljournal_title
Iranian journal of parasitologyauthors
Gadelhaq SM,Arafa WM,Aboelhadid SMsubject
Has Abstractpub_date
2015-01-01 00:00:00pages
87-95issue
1eissn
1735-7020issn
2008-238Xjournal_volume
10pub_type
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journal_title:Iranian journal of parasitology
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journal_title:Iranian journal of parasitology
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journal_title:Iranian journal of parasitology
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journal_title:Iranian journal of parasitology
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journal_title:Iranian journal of parasitology
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journal_title:Iranian journal of parasitology
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journal_title:Iranian journal of parasitology
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journal_title:Iranian journal of parasitology
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更新日期:2014-10-01 00:00:00
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journal_title:Iranian journal of parasitology
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journal_title:Iranian journal of parasitology
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journal_title:Iranian journal of parasitology
pub_type: 杂志文章
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更新日期:2017-01-01 00:00:00
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journal_title:Iranian journal of parasitology
pub_type: 杂志文章
doi:
更新日期:2010-12-01 00:00:00
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journal_title:Iranian journal of parasitology
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doi:
更新日期:2017-04-01 00:00:00
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journal_title:Iranian journal of parasitology
pub_type: 杂志文章
doi:
更新日期:2015-07-01 00:00:00
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journal_title:Iranian journal of parasitology
pub_type:
doi:
更新日期:2020-04-01 00:00:00
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journal_title:Iranian journal of parasitology
pub_type: 杂志文章
doi:
更新日期:2013-01-01 00:00:00
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journal_title:Iranian journal of parasitology
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journal_title:Iranian journal of parasitology
pub_type: 杂志文章
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更新日期:2013-01-01 00:00:00
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journal_title:Iranian journal of parasitology
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更新日期:2019-07-01 00:00:00
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journal_title:Iranian journal of parasitology
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更新日期:2018-04-01 00:00:00
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journal_title:Iranian journal of parasitology
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更新日期:2012-01-01 00:00:00
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journal_title:Iranian journal of parasitology
pub_type: 杂志文章
doi:
更新日期:2010-03-01 00:00:00
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journal_title:Iranian journal of parasitology
pub_type: 杂志文章
doi:
更新日期:2013-04-01 00:00:00
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journal_title:Iranian journal of parasitology
pub_type:
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更新日期:2011-12-01 00:00:00
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journal_title:Iranian journal of parasitology
pub_type: 杂志文章,评审
doi:
更新日期:2017-07-01 00:00:00
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journal_title:Iranian journal of parasitology
pub_type: 杂志文章
doi:
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journal_title:Iranian journal of parasitology
pub_type: 杂志文章,评审
doi:
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