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Large‐scale microfabricated channel plates for high‐throughput, fully automated DNA sequencing
Author(s) -
Kumagai Hidesato,
Utsunomiya Shinichi,
Nakamura Shin,
Yamamoto Rintaro,
Harada Akira,
Kaji Toru,
Hazama Makoto,
Ohashi Tetsuo,
Inami Atsushi,
Ikegami Takashi,
Miyamoto Keisuke,
Endo Naoya,
Yoshimi Kenichi,
Toyoda Atsushi,
Hattori Masahira,
Sakaki Yoshiyuki
Publication year - 2008
Publication title -
electrophoresis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.666
H-Index - 158
eISSN - 1522-2683
pISSN - 0173-0835
DOI - 10.1002/elps.200800301
Subject(s) - sanger sequencing , dna sequencing , throughput , shotgun sequencing , channel (broadcasting) , deep sequencing , sample (material) , microfluidics , dna , materials science , nanotechnology , genome , computer science , biology , chromatography , genetics , chemistry , gene , wireless , telecommunications
We have described a new DNA sequencing platform based on the Sanger chemistry, in which the large‐scale microfabricated channel plates and electrophoretic system result in higher‐throughput DNA sequencing. Three hundred and eighty‐four channels are arranged in a fan‐like shape on a 25×47 cm glass plate, on which 384 oval sample holes are connected to each channel coupled to the opposite anode access holes. Two microfabricated plates are set on the sequencing apparatus, in which sequencing electrophoresis is conducted on one plate and the preparation process is on another plate. Each sample hole is loaded with 2.3 μL volume of sample and injected into separation channels electrokinetically. High‐quality sequencing data were acquired using the pUC18 template, achieving an average read‐length of 1001 bases with 99% accuracy and a throughput of 5 Mbases per day per instrument. To assess the performance in actual sequencing field, the bacterial artificial chromosome shotgun library of the Pseudorca crassidens genome was sequenced, using 1/80 of the quantity of Sanger reagent (0.1 μL). We believe that this is the first demonstration of the useful performance of DNA sequencing using monolithic microfabricated devices with walk‐away operation.