Abstract:
:Antibiotic-resistant Campylobacter could adversely affect treatment outcomes, especially in children. We investigated the antibiotic susceptibility profiles, virulence potentials and genetic relatedness of Campylobacter spp. from paediatric and water samples in the North West Province, South Africa. Overall, 237 human and 20 water isolates were identified using culture and real-time polymerase chain reaction (PCR). The antibiotic susceptibility profiles were determined using the disk diffusion method. Gradient strips were used to determine the minimum inhibitory concentration of each antibiotic. Antibiotic resistance (gryA, tetO and 23S rRNA 2075G and 2074C) and virulence (cadF and ciaB) genes were also investigated using PCR. A phylogenetic tree to ascertain the clonality between water and clinical isolates was constructed using MEGA 7. Overall, 95% (water) and 64.7% (human) of the isolates were resistant to at least one antibiotic tested. The highest resistance was against clarithromycin (95%) for water and ampicillin (60.7%) for human isolates. The 23S rRNA 2075G/2074C mutation was the most expressed resistance gene. Phylogenetic reconstruction revealed eight intermixed clades within water and human Campylobacter isolates. This study suggests the possible circulation of potentially pathogenic antibiotic-resistant Campylobacter in the Northwest Province, South Africa with drinking water being a possible vector for disease transmission in this area.
journal_name
Int J Environ Res Public Healthauthors
Chukwu MO,Luther King Abia A,Ubomba-Jaswa E,Obi L,Dewar JBdoi
10.3390/ijerph16122205subject
Has Abstractpub_date
2019-06-21 00:00:00issue
12eissn
1661-7827issn
1660-4601pii
ijerph16122205journal_volume
16pub_type
杂志文章abstract::Mental health problems are common among students in higher education all over the world, so identifying those who are at higher risk would allow the targeted provision of help. Our goal was to develop an assessment tool to identify students at risk for vulnerable mental health status. This tool was created from the 12...
journal_title:International journal of environmental research and public health
pub_type: 杂志文章
doi:10.3390/ijerph16234733
更新日期:2019-11-27 00:00:00
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journal_title:International journal of environmental research and public health
pub_type: 杂志文章
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journal_title:International journal of environmental research and public health
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journal_title:International journal of environmental research and public health
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pub_type: 杂志文章,评审
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pub_type: 杂志文章
doi:10.3390/ijerph17114072
更新日期:2020-06-08 00:00:00
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doi:10.3390/ijerph121114342
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journal_title:International journal of environmental research and public health
pub_type: 杂志文章
doi:10.3390/ijerph17114010
更新日期:2020-06-04 00:00:00
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journal_title:International journal of environmental research and public health
pub_type: 杂志文章
doi:10.3390/ijerph16244937
更新日期:2019-12-05 00:00:00
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journal_title:International journal of environmental research and public health
pub_type: 杂志文章
doi:10.3390/ijerph17239113
更新日期:2020-12-06 00:00:00
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journal_title:International journal of environmental research and public health
pub_type: 杂志文章
doi:10.3390/ijerph17030682
更新日期:2020-01-21 00:00:00
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journal_title:International journal of environmental research and public health
pub_type: 杂志文章
doi:10.3390/ijerph16132316
更新日期:2019-06-30 00:00:00
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journal_title:International journal of environmental research and public health
pub_type: 杂志文章
doi:10.3390/ijerph16152748
更新日期:2019-08-01 00:00:00
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journal_title:International journal of environmental research and public health
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journal_title:International journal of environmental research and public health
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pub_type: 杂志文章,随机对照试验
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journal_title:International journal of environmental research and public health
pub_type: 杂志文章,评审
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