NDLI: Fluorescent Dye Terminator Sequencing Methods for Quantitative Determination of Replication Fitness of Human Immunodeficiency Virus Type 1 Containing the Codon 74 and 184 Mutations in Reverse Transcriptase

Content Provider	PubMed Central
Author	Nurpeisov, Viktoria Hurwitz, Selwyn J. Sharma, Prem L.
Copyright Year	2003
Abstract	The fluorescent dye-labeled dideoxynucleotide automated DNA sequencing system has been routinely used for monitoring the development of resistance mutations in human immunodeficiency virus type 1 reverse transcriptase (RT) and protease genes during therapy. This system has provided information regarding the presence of mixtures of nucleotides in the clinical samples but has not previously been validated for the quantitative determination between peak heights and relative DNA concentration. We evaluated this system by using various ratios of wild-type and mutated DNA fragments and by performing sequencing reactions at actual melting temperatures of specific primers. Several different ratios of purified DNA fragments containing mixtures of L74/V74 and M184/V184 were sequenced, and peak heights were measured. Regression analysis between ratios of peak heights and DNA concentration demonstrated a statistically significant linear correlation, suggesting that the quantification of two different species of DNA in a mixture could be achieved with the fluorescent dye-labeled dideoxynucleotide system. These strategies have broader implications for the quantification of replication fitness of viruses, particularly those containing RT mutations at codons 74 and 184.
Related Links	http://dx.doi.org/10.1128/jcm.41.7.3306-3311.2003
Ending Page	3311
Page Count	6
Starting Page	3306
File Format	PDF
ISSN	00951137
e-ISSN	1098660X
Journal	Journal of Clinical Microbiology
Issue Number	7
Volume Number	41
Language	English
Publisher	American Society for Microbiology
Publisher Date	2003-07-01
Access Restriction	Open
Rights Holder	American Society for Microbiology
Subject Keyword	Microbiology (medical) Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Microbiology (medical)

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Fluorescent Dye Terminator Sequencing Methods for Quantitative Determination of Replication Fitness of Human Immunodeficiency Virus Type 1 Containing the Codon 74 and 184 Mutations in Reverse Transcriptase

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