کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1931241 1050546 2010 7 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Pyrosequencing enhancement for better detection limit and sequencing homopolymers
موضوعات مرتبط
علوم زیستی و بیوفناوری بیوشیمی، ژنتیک و زیست شناسی مولکولی زیست شیمی
پیش نمایش صفحه اول مقاله
Pyrosequencing enhancement for better detection limit and sequencing homopolymers
چکیده انگلیسی

Pyrosequencing is a DNA sequencing technique based on sequencing-by-synthesis enabling rapid and real-time sequence determination. Although ample genomic research has been undertaken using pyrosequencing, the requirement of relatively high amount of DNA template and the difficulty in sequencing the homopolymeric regions limit its key advantages in the applications directing towards clinical research. In this study, we demonstrate that pyrosequencing on homopolymeric regions with 10 identical nucleotides can be successfully performed with optimal amount of DNA (0.3125–5 pmol) immobilized on conventional non-porous Sepharose beads. We also validate that by using porous silica beads, the sequencing signal increased 3.5-folds as compared to that produced from same amount of DNA immobilized on solid Sepharose beads. Our results strongly indicate that with optimized quantity of DNA and suitable solid support, the performance of pyrosequencing on homopolymeric regions and its detection limit has been significantly improved.

Research highlights
► There is an optical DNA amount (0.3125–5 pmol) for pyrosequencing.
► Using optimal DNA amount is important for pyrosequencing on homopolymeric regions.
► Porous silica bead is a better matrix for DNA immobilization in pyrosequencing.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Biochemical and Biophysical Research Communications - Volume 401, Issue 1, 8 October 2010, Pages 117–123
نویسندگان
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