Next-generation sequencing-based analysis of reverse transcriptase fidelity.

Abstract:

:In this study, we devised a simple and rapid method to analyze fidelity of reverse transcriptase (RT) using next-generation sequencing (NGS). The method comprises a cDNA synthesis reaction from standard RNA with a primer containing a tag of 14 randomized bases and the RT to be tested, PCR using high-fidelity DNA polymerase, and NGS. By comparing the sequence of each read with the reference sequence, mutations were identified. The mutation can be identified to be due to an error introduced by either cDNA synthesis, PCR, or NGS based on whether the sequence reads with the same tag contain the same mutation or not. The error rates in cDNA synthesis with Moloney murine leukemia virus (MMLV) RT thermostable variant MM4 or the recently developed 16-tuple variant of family B DNA polymerase with RT activity, RTX, from Thermococcus kodakarensis, were 0.75-1.0 × 10-4 errors/base, while that in the reaction with the wild-type human immunodeficiency virus type 1 (HIV-1) RT was 2.6 × 10-4 errors/base. Overall, our method could precisely evaluate the fidelity of various RTs with different reaction conditions in a high-throughput manner without the use of expensive optics and troublesome adaptor ligation.

authors

Yasukawa K,Iida K,Okano H,Hidese R,Baba M,Yanagihara I,Kojima K,Takita T,Fujiwara S

doi

10.1016/j.bbrc.2017.07.169

subject

Has Abstract

pub_date

2017-10-14 00:00:00

pages

147-153

issue

2

eissn

0006-291X

issn

1090-2104

pii

S0006-291X(17)31536-X

journal_volume

492

pub_type

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