التفاصيل البيبلوغرافية
| العنوان: |
A quantitative proteomic analysis of biofilm adaptation by the periodontal pathogen Tannerella forsythia |
| المؤلفون: |
Pham, Trong Khoa, Roy, Sumita, Noirel, Josselin, Douglas, Ian, Wright, Phillip C., Stafford, Graham P. |
| المساهمون: |
Royal Society, University of Sheffield Devolved Fund, Oral and Dental Research Trust, BBSRC, EPSRC, EU |
| المصدر: |
PROTEOMICS ; volume 10, issue 17, page 3130-3141 ; ISSN 1615-9853 1615-9861 |
| بيانات النشر: |
Wiley |
| سنة النشر: |
2010 |
| المجموعة: |
Wiley Online Library (Open Access Articles via Crossref) |
| الوصف: |
Tannerella forsythia is a Gram‐negative anaerobe that is one of the most prominent inhabitants of the sub‐gingival plaque biofilm, which is crucial for causing periodontitis. We have used iTRAQ proteomics to identify and quantify alterations in global protein expression of T. forsythia during growth in a biofilm. This is the first proteomic study concentrating on biofilm growth in this key periodontal pathogen, and this study has identified several changes in protein expression. Moreover, we introduce a rigorous statistical method utilising peptide‐level intensities of iTRAQ reporters to determine which proteins are significantly regulated. In total, 348 proteins were identified and quantified with the expression of 44 proteins being significantly altered between biofilm and planktonic cells. We identified proteins from all cell compartments, and highlighted a marked upregulation in the relative abundances of predicted outer membrane proteins in biofilm cells. These included putative transport systems and the T. forsythia S‐layer proteins. These data and our finding that the butyrate production pathway is markedly downregulated in biofilms indicate possible alterations in host interaction capability. We also identified upregulation of putative oxidative stress response proteins, and showed that biofilm cells are 10 to 20 fold more resistant to oxidative stress. This may represent an important adaptation of this organism to prolonged persistence and immune evasion in the oral cavity. |
| نوع الوثيقة: |
article in journal/newspaper |
| اللغة: |
English |
| DOI: |
10.1002/pmic.200900448 |
| DOI: |
10.1002/pmic.200900448/fullpdf |
| الإتاحة: |
https://doi.org/10.1002/pmic.200900448Test |
| حقوق: |
http://onlinelibrary.wiley.com/termsAndConditions#vorTest |
| رقم الانضمام: |
edsbas.5A9538BC |
| قاعدة البيانات: |
BASE |
