| Chemotactic behavior of Campylobacter spp. in function of different temperatures (37 °C and 42 °C). | |
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MedLine Citation:
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PMID: 21757020 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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The chemotactic behaviour of Campylobacter strains was determined in the presence of different amino acids at two temperatures (37 °C and 42 °C). Two strains of catalase positive (Campylobacter jejuni) and negative (Campylobacter sputurum) Campylobacter were isolated from river water in Tonekabon, Iran and identified by phenotyping and 16srRNA Gene sequencing methods. Chemotactic responses of the isolates were assessed toward a variety of amino acids viz., L-cystine, L-asparagine, L-histidine, L-aspartic acid, L-serine, L-phenylalanine, L-leucine and L-tryptophan by disc and capillary methods at two temperatures: 37 °C and 42 °C. C. jejuni showed positive chemotactic response towards L-cystine,L-tryptophan, L-phenylalanine, - L-leucine, L-asparagine and L-Serine at both, 37 °C and 42 °C however, it was greater at 37 °C. C. sputurum showed negative or weak response towards all of the amino acids. In addition, C. jejuni illustrated strong chemotactic response to L-asparagine follow by L-serine and weak chemotaxis response to L-phenylalanine and L-cysteine at 37 °C. Overall, C. jejuni showed relatively strong chemotactic response to some amino acids, likewise it was greater at 37 °C. Hence, the human body temperature (37 °C) in compared to avian body temperature (42 °C) probably promotes chemotactic response of C. jejuni, which it might be a reason for causing disease in human being compared to avian. |
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Authors:
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Majid Baserisalehi; Nima Bahador |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-7-6 |
Journal Detail:
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Title: Anaerobe Volume: - ISSN: 1095-8274 ISO Abbreviation: - Publication Date: 2011 Jul |
Date Detail:
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Created Date: 2011-7-15 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9505216 Medline TA: Anaerobe Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2011 Elsevier Ltd. All rights reserved. |
Affiliation:
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Department of Microbiology, Kazeroun Branch, Islamic Azad University, P.O.Box 73135-168, Kazeroun, Iran. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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