Public health aspects of Shiga toxin-producing Escherichia coli (STEC) strains in sheep and goats of Bakhtiari pastoral tribe, Iran
Nomadic populations do not have permanent settlements as they move their livestock between grazing areas in different seasons; such movements may have great impact on dissemination of food-borne pathogens in various regions. The aim of this study was to characterize Shiga toxin-producing Escherichia...
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| Veröffentlicht in: | Tropical animal health and production 2020-09, Vol.52 (5), p.2721-2724 |
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| creator | Zaheri, Hassan Ghanbarpour, Reza Jajarmi, Maziar Bagheri, Mahboube Ghanadian, Ali Askari Badouei, Mahdi |
| description | Nomadic populations do not have permanent settlements as they move their livestock between grazing areas in different seasons; such movements may have great impact on dissemination of food-borne pathogens in various regions. The aim of this study was to characterize Shiga toxin-producing
Escherichia coli
(STEC) strains as a food-borne pathogen in sheep and goats of Bakhtiari pastoral tribe in Iran. In the present study, 72 fecal samples were obtained from 26 sheep and 46 goats. First, all recovered
E. coli
isolates were screened for
stx
gene. After detection of
stx
-positive isolates, the virulence genes including
stx1
,
stx2
,
eae
,
ehly
,
saa
,
astA
,
subAB
,
terD
, and the genetic markers of O Island 57 (Z2098 and Z2099) were investigated. Also fifteen important STEC O-serogroups were determined using PCR assays. Results showed that 27 animals (27/72; 37.5%) carried STEC strains including 16/26 (61.6%) sheep and 11/46 (23.9%) goats. All STECs were
eae
-negative but 81.4% (22/27) were positive for
saa
. The most prevalent virulence profile was
stx1
/
stx2
/
ehly
/
saa
/
subAB
(37%; 10/27). Most STECs (24/27) were positive for at least one of the selected OI-57 markers. The O91 (
n
= 6), O5 (
n
= 3), O113 (
n
= 1), O128 (
n
= 1), and O104 (
n
= 1) were the detected O-serogroups in this study. It is concluded that such moving animal populations could have public health concerns which have to be addressed in the future. |
| doi_str_mv | 10.1007/s11250-020-02245-2 |
| format | Article |
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Escherichia coli
(STEC) strains as a food-borne pathogen in sheep and goats of Bakhtiari pastoral tribe in Iran. In the present study, 72 fecal samples were obtained from 26 sheep and 46 goats. First, all recovered
E. coli
isolates were screened for
stx
gene. After detection of
stx
-positive isolates, the virulence genes including
stx1
,
stx2
,
eae
,
ehly
,
saa
,
astA
,
subAB
,
terD
, and the genetic markers of O Island 57 (Z2098 and Z2099) were investigated. Also fifteen important STEC O-serogroups were determined using PCR assays. Results showed that 27 animals (27/72; 37.5%) carried STEC strains including 16/26 (61.6%) sheep and 11/46 (23.9%) goats. All STECs were
eae
-negative but 81.4% (22/27) were positive for
saa
. The most prevalent virulence profile was
stx1
/
stx2
/
ehly
/
saa
/
subAB
(37%; 10/27). Most STECs (24/27) were positive for at least one of the selected OI-57 markers. The O91 (
n
= 6), O5 (
n
= 3), O113 (
n
= 1), O128 (
n
= 1), and O104 (
n
= 1) were the detected O-serogroups in this study. It is concluded that such moving animal populations could have public health concerns which have to be addressed in the future.</description><identifier>ISSN: 0049-4747</identifier><identifier>EISSN: 1573-7438</identifier><identifier>DOI: 10.1007/s11250-020-02245-2</identifier><identifier>PMID: 32125596</identifier><language>eng</language><publisher>Dordrecht: Springer Netherlands</publisher><subject>Animal populations ; Biomedical and Life Sciences ; E coli ; Escherichia coli ; Food ; Food contamination ; Genetic markers ; Goats ; Life Sciences ; Livestock ; Markers ; Pathogens ; Populations ; Public health ; Sheep ; Shiga toxin ; Short Communications ; Stx gene ; Toxins ; Veterinary Medicine/Veterinary Science ; Virulence ; Zoology</subject><ispartof>Tropical animal health and production, 2020-09, Vol.52 (5), p.2721-2724</ispartof><rights>Springer Nature B.V. 2020</rights><rights>Springer Nature B.V. 2020.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c375t-af2218cfcb053bbcde06bd08a217c784d9116be646b7474edf55a4e4bb3c89283</citedby><cites>FETCH-LOGICAL-c375t-af2218cfcb053bbcde06bd08a217c784d9116be646b7474edf55a4e4bb3c89283</cites><orcidid>0000-0001-5051-813X</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11250-020-02245-2$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11250-020-02245-2$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/32125596$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Zaheri, Hassan</creatorcontrib><creatorcontrib>Ghanbarpour, Reza</creatorcontrib><creatorcontrib>Jajarmi, Maziar</creatorcontrib><creatorcontrib>Bagheri, Mahboube</creatorcontrib><creatorcontrib>Ghanadian, Ali</creatorcontrib><creatorcontrib>Askari Badouei, Mahdi</creatorcontrib><title>Public health aspects of Shiga toxin-producing Escherichia coli (STEC) strains in sheep and goats of Bakhtiari pastoral tribe, Iran</title><title>Tropical animal health and production</title><addtitle>Trop Anim Health Prod</addtitle><addtitle>Trop Anim Health Prod</addtitle><description>Nomadic populations do not have permanent settlements as they move their livestock between grazing areas in different seasons; such movements may have great impact on dissemination of food-borne pathogens in various regions. The aim of this study was to characterize Shiga toxin-producing
Escherichia coli
(STEC) strains as a food-borne pathogen in sheep and goats of Bakhtiari pastoral tribe in Iran. In the present study, 72 fecal samples were obtained from 26 sheep and 46 goats. First, all recovered
E. coli
isolates were screened for
stx
gene. After detection of
stx
-positive isolates, the virulence genes including
stx1
,
stx2
,
eae
,
ehly
,
saa
,
astA
,
subAB
,
terD
, and the genetic markers of O Island 57 (Z2098 and Z2099) were investigated. Also fifteen important STEC O-serogroups were determined using PCR assays. Results showed that 27 animals (27/72; 37.5%) carried STEC strains including 16/26 (61.6%) sheep and 11/46 (23.9%) goats. All STECs were
eae
-negative but 81.4% (22/27) were positive for
saa
. The most prevalent virulence profile was
stx1
/
stx2
/
ehly
/
saa
/
subAB
(37%; 10/27). Most STECs (24/27) were positive for at least one of the selected OI-57 markers. The O91 (
n
= 6), O5 (
n
= 3), O113 (
n
= 1), O128 (
n
= 1), and O104 (
n
= 1) were the detected O-serogroups in this study. It is concluded that such moving animal populations could have public health concerns which have to be addressed in the future.</description><subject>Animal populations</subject><subject>Biomedical and Life Sciences</subject><subject>E coli</subject><subject>Escherichia coli</subject><subject>Food</subject><subject>Food contamination</subject><subject>Genetic markers</subject><subject>Goats</subject><subject>Life Sciences</subject><subject>Livestock</subject><subject>Markers</subject><subject>Pathogens</subject><subject>Populations</subject><subject>Public health</subject><subject>Sheep</subject><subject>Shiga toxin</subject><subject>Short Communications</subject><subject>Stx gene</subject><subject>Toxins</subject><subject>Veterinary Medicine/Veterinary 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health aspects of Shiga toxin-producing Escherichia coli (STEC) strains in sheep and goats of Bakhtiari pastoral tribe, Iran</title><author>Zaheri, Hassan ; Ghanbarpour, Reza ; Jajarmi, Maziar ; Bagheri, Mahboube ; Ghanadian, Ali ; Askari Badouei, Mahdi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c375t-af2218cfcb053bbcde06bd08a217c784d9116be646b7474edf55a4e4bb3c89283</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Animal populations</topic><topic>Biomedical and Life Sciences</topic><topic>E coli</topic><topic>Escherichia coli</topic><topic>Food</topic><topic>Food contamination</topic><topic>Genetic markers</topic><topic>Goats</topic><topic>Life Sciences</topic><topic>Livestock</topic><topic>Markers</topic><topic>Pathogens</topic><topic>Populations</topic><topic>Public health</topic><topic>Sheep</topic><topic>Shiga toxin</topic><topic>Short 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BioEngineering Abstracts</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>MEDLINE - Academic</collection><jtitle>Tropical animal health and production</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zaheri, Hassan</au><au>Ghanbarpour, Reza</au><au>Jajarmi, Maziar</au><au>Bagheri, Mahboube</au><au>Ghanadian, Ali</au><au>Askari Badouei, Mahdi</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Public health aspects of Shiga toxin-producing Escherichia coli (STEC) strains in sheep and goats of Bakhtiari pastoral tribe, Iran</atitle><jtitle>Tropical animal health and production</jtitle><stitle>Trop Anim Health Prod</stitle><addtitle>Trop Anim Health Prod</addtitle><date>2020-09-01</date><risdate>2020</risdate><volume>52</volume><issue>5</issue><spage>2721</spage><epage>2724</epage><pages>2721-2724</pages><issn>0049-4747</issn><eissn>1573-7438</eissn><abstract>Nomadic populations do not have permanent settlements as they move their livestock between grazing areas in different seasons; such movements may have great impact on dissemination of food-borne pathogens in various regions. The aim of this study was to characterize Shiga toxin-producing
Escherichia coli
(STEC) strains as a food-borne pathogen in sheep and goats of Bakhtiari pastoral tribe in Iran. In the present study, 72 fecal samples were obtained from 26 sheep and 46 goats. First, all recovered
E. coli
isolates were screened for
stx
gene. After detection of
stx
-positive isolates, the virulence genes including
stx1
,
stx2
,
eae
,
ehly
,
saa
,
astA
,
subAB
,
terD
, and the genetic markers of O Island 57 (Z2098 and Z2099) were investigated. Also fifteen important STEC O-serogroups were determined using PCR assays. Results showed that 27 animals (27/72; 37.5%) carried STEC strains including 16/26 (61.6%) sheep and 11/46 (23.9%) goats. All STECs were
eae
-negative but 81.4% (22/27) were positive for
saa
. The most prevalent virulence profile was
stx1
/
stx2
/
ehly
/
saa
/
subAB
(37%; 10/27). Most STECs (24/27) were positive for at least one of the selected OI-57 markers. The O91 (
n
= 6), O5 (
n
= 3), O113 (
n
= 1), O128 (
n
= 1), and O104 (
n
= 1) were the detected O-serogroups in this study. It is concluded that such moving animal populations could have public health concerns which have to be addressed in the future.</abstract><cop>Dordrecht</cop><pub>Springer Netherlands</pub><pmid>32125596</pmid><doi>10.1007/s11250-020-02245-2</doi><tpages>4</tpages><orcidid>https://orcid.org/0000-0001-5051-813X</orcidid></addata></record> |
| fulltext | fulltext |
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| ispartof | Tropical animal health and production, 2020-09, Vol.52 (5), p.2721-2724 |
| issn | 0049-4747 1573-7438 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_2370503679 |
| source | SpringerNature Journals |
| subjects | Animal populations Biomedical and Life Sciences E coli Escherichia coli Food Food contamination Genetic markers Goats Life Sciences Livestock Markers Pathogens Populations Public health Sheep Shiga toxin Short Communications Stx gene Toxins Veterinary Medicine/Veterinary Science Virulence Zoology |
| title | Public health aspects of Shiga toxin-producing Escherichia coli (STEC) strains in sheep and goats of Bakhtiari pastoral tribe, Iran |
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