The behaviour of selected oral bacteria in single- and mixed-species biofilms

The objective of this study was to investigate and compare the adhering capacity of early colonizers of oral biofilm in a dynamic environment. The study was carried out by inoculating the early colonisers of oral biofilm (Streptococcus mitis, Streptococcus sanguinis and Actinomyces sp.) singly and i...

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Main Authors: Wan Nordini Hasnor, W.I., Razak, Fathilah Abdul, Yusoff, Mohd Md, Rahim, Zubaidah Haji Abdul
Format: Article
Language:English
Published: Asian Network for Scientific Information 2008
Subjects:
Online Access:http://eprints.um.edu.my/3755/1/the_behaviour.pdf
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author Wan Nordini Hasnor, W.I.
Razak, Fathilah Abdul
Yusoff, Mohd Md
Rahim, Zubaidah Haji Abdul
author_facet Wan Nordini Hasnor, W.I.
Razak, Fathilah Abdul
Yusoff, Mohd Md
Rahim, Zubaidah Haji Abdul
author_sort Wan Nordini Hasnor, W.I.
collection UM
description The objective of this study was to investigate and compare the adhering capacity of early colonizers of oral biofilm in a dynamic environment. The study was carried out by inoculating the early colonisers of oral biofilm (Streptococcus mitis, Streptococcus sanguinis and Actinomyces sp.) singly and in a mixture to the experimental pellicle in an artificial mouth (NAM) model for 24 h. This will form the respective 24 h single- and mixed-species biofilm. The bacterial population adhering to the experimental pellicle was determined and expressed as colony forming unit per ml (cfu mL-1). The adhered bacterial population was further confirmed using the Scanning Electron Microscope. It was found that S. mitis demonstrated maximum adherence (1153.33±132.46×104 cfu mL-1), followed by S. sanguinis (183.00±10.33×104 cfu mL-1) and by Actinomyces sp. (42.33±3.20×104 cfu mL-1). The adhering capacity of bacteria when present in a mixture of two-species was found to be reduced. However in a mixture of three species, it was found that the bacterial adherence was slightly increased. The difference in the adherence capacity of these bacteria to the experimental pellicle was found to be statistically significant (p<0.05). The results obtained in this study suggest that selected oral bacteria behave differently in a single- and mixed species biofilms. © 2008 Asian Network for Scientific Information.
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spelling um.eprints-37552020-12-17T03:56:31Z http://eprints.um.edu.my/3755/ The behaviour of selected oral bacteria in single- and mixed-species biofilms Wan Nordini Hasnor, W.I. Razak, Fathilah Abdul Yusoff, Mohd Md Rahim, Zubaidah Haji Abdul RK Dentistry The objective of this study was to investigate and compare the adhering capacity of early colonizers of oral biofilm in a dynamic environment. The study was carried out by inoculating the early colonisers of oral biofilm (Streptococcus mitis, Streptococcus sanguinis and Actinomyces sp.) singly and in a mixture to the experimental pellicle in an artificial mouth (NAM) model for 24 h. This will form the respective 24 h single- and mixed-species biofilm. The bacterial population adhering to the experimental pellicle was determined and expressed as colony forming unit per ml (cfu mL-1). The adhered bacterial population was further confirmed using the Scanning Electron Microscope. It was found that S. mitis demonstrated maximum adherence (1153.33±132.46×104 cfu mL-1), followed by S. sanguinis (183.00±10.33×104 cfu mL-1) and by Actinomyces sp. (42.33±3.20×104 cfu mL-1). The adhering capacity of bacteria when present in a mixture of two-species was found to be reduced. However in a mixture of three species, it was found that the bacterial adherence was slightly increased. The difference in the adherence capacity of these bacteria to the experimental pellicle was found to be statistically significant (p&lt;0.05). The results obtained in this study suggest that selected oral bacteria behave differently in a single- and mixed species biofilms. © 2008 Asian Network for Scientific Information. Asian Network for Scientific Information 2008 Article PeerReviewed text en http://eprints.um.edu.my/3755/1/the_behaviour.pdf Wan Nordini Hasnor, W.I. and Razak, Fathilah Abdul and Yusoff, Mohd Md and Rahim, Zubaidah Haji Abdul (2008) The behaviour of selected oral bacteria in single- and mixed-species biofilms. Journal of Biological Sciences, 8 (6). pp. 1001-1007. ISSN 1727-3048, DOI https://doi.org/10.3923/jbs.2008.1001.1007 <https://doi.org/10.3923/jbs.2008.1001.1007>. https://doi.org/10.3923/jbs.2008.1001.1007 doi:10.3923/jbs.2008.1001.1007
spellingShingle RK Dentistry
Wan Nordini Hasnor, W.I.
Razak, Fathilah Abdul
Yusoff, Mohd Md
Rahim, Zubaidah Haji Abdul
The behaviour of selected oral bacteria in single- and mixed-species biofilms
title The behaviour of selected oral bacteria in single- and mixed-species biofilms
title_full The behaviour of selected oral bacteria in single- and mixed-species biofilms
title_fullStr The behaviour of selected oral bacteria in single- and mixed-species biofilms
title_full_unstemmed The behaviour of selected oral bacteria in single- and mixed-species biofilms
title_short The behaviour of selected oral bacteria in single- and mixed-species biofilms
title_sort behaviour of selected oral bacteria in single and mixed species biofilms
topic RK Dentistry
url http://eprints.um.edu.my/3755/1/the_behaviour.pdf
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