Chromatography paper strip sampling of enteric adenoviruses type 40 and 41 positive stool specimens

Virology Journal

Marc Van Ranst²  Mustafizur Rahman¹  Piet Maes²  Kalina T Zlateva² 

[1] Laboratory of Virology, ICDDR, B: Center for Health and Population Research, Dhaka, Bangladesh;Laboratory of Clinical & Epidemiological Virology, Department of Microbiology and Immunology, Rega Institute for Medical Research, University of Leuven, Leuven, Belgium

关键词: enteric adenoviruses;   

Others  :  1158213
DOI  :  10.1186/1743-422X-2-6

 received in 2004-12-15, accepted in 2005-02-10,  发布年份 2005

【 摘 要 】

Background

The enteric subgroup F adenoviruses type 40 (Ad40) and 41 (Ad41) are the second most important cause of acute infantile gastroenteritis after rotaviruses. Repeated community outbreaks have been associated with antigenic changes among the Ad40 and Ad41 strains due to host immune pressure. Therefore large field epidemiological surveys and studies on the genetic variations in different isolates of Ad40 and Ad41 are important for disease control programs, the design of efficient diagnostic kits and vaccines against subgroup F adenoviruses. A novel method using sodium dodecyl sulphate SDS/EDTA-pretreated chromatography paper strips was evaluated for the collection, storage and shipping of Ad40/41 contaminated stool samples.

Results

This study shows that adenoviral DNA can be successfully detected in the filter strips by PCR after four months storage at -20°C, 4°C, room temperature (20–25°C) and 37°C. Furthermore no adenoviral infectivity was observed upon contact with the SDS/EDTA-pretreated strips.

Conclusions

Collecting, storing and transporting adenovirus type 40 and 41 positive stool samples on SDS/EDTA-pretreated chromatography filter strips is a convenient, biosafe and cost effective method for studying new genome variants and monitoring spread of enteric adenovirus strains during outbreaks.

【 授权许可】

   
2005 Zlateva et al; licensee BioMed Central Ltd.

【 图 表 】

Figure 1.

Figure 2.

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