Alignment of Short Reads: A Crucial Step for Application of Next-Generation Sequencing Data in Precision Medicine

Precision medicine or personalized medicine has been proposed as a modernized and promising medical strategy. Genetic variants of patients are the key information for implementation of precision medicine. Next-generation sequencing (NGS) is an emerging technology for deciphering genetic variants. A...

Full description

Bibliographic Details
Main Authors: Hao Ye, Joe Meehan, Weida Tong, Huixiao Hong
Format: Article
Language:English
Published: MDPI AG 2015-11-01
Series:Pharmaceutics
Subjects:
Online Access:http://www.mdpi.com/1999-4923/7/4/523
_version_ 1828350322753404928
author Hao Ye
Joe Meehan
Weida Tong
Huixiao Hong
author_facet Hao Ye
Joe Meehan
Weida Tong
Huixiao Hong
author_sort Hao Ye
collection DOAJ
description Precision medicine or personalized medicine has been proposed as a modernized and promising medical strategy. Genetic variants of patients are the key information for implementation of precision medicine. Next-generation sequencing (NGS) is an emerging technology for deciphering genetic variants. Alignment of raw reads to a reference genome is one of the key steps in NGS data analysis. Many algorithms have been developed for alignment of short read sequences since 2008. Users have to make a decision on which alignment algorithm to use in their studies. Selection of the right alignment algorithm determines not only the alignment algorithm but also the set of suitable parameters to be used by the algorithm. Understanding these algorithms helps in selecting the appropriate alignment algorithm for different applications in precision medicine. Here, we review current available algorithms and their major strategies such as seed-and-extend and q-gram filter. We also discuss the challenges in current alignment algorithms, including alignment in multiple repeated regions, long reads alignment and alignment facilitated with known genetic variants.
first_indexed 2024-04-14T01:23:19Z
format Article
id doaj.art-26fbda23daf1435abe7b03589388e2ea
institution Directory Open Access Journal
issn 1999-4923
language English
last_indexed 2024-04-14T01:23:19Z
publishDate 2015-11-01
publisher MDPI AG
record_format Article
series Pharmaceutics
spelling doaj.art-26fbda23daf1435abe7b03589388e2ea2022-12-22T02:20:32ZengMDPI AGPharmaceutics1999-49232015-11-017452354110.3390/pharmaceutics7040523pharmaceutics7040523Alignment of Short Reads: A Crucial Step for Application of Next-Generation Sequencing Data in Precision MedicineHao Ye0Joe Meehan1Weida Tong2Huixiao Hong3Division of Bioinformatics and Biostatistics, National Center for Toxicological Research, U.S. Food and Drug Administration, 3900 NCTR Road, Jefferson, AR 72079, USADivision of Bioinformatics and Biostatistics, National Center for Toxicological Research, U.S. Food and Drug Administration, 3900 NCTR Road, Jefferson, AR 72079, USADivision of Bioinformatics and Biostatistics, National Center for Toxicological Research, U.S. Food and Drug Administration, 3900 NCTR Road, Jefferson, AR 72079, USADivision of Bioinformatics and Biostatistics, National Center for Toxicological Research, U.S. Food and Drug Administration, 3900 NCTR Road, Jefferson, AR 72079, USAPrecision medicine or personalized medicine has been proposed as a modernized and promising medical strategy. Genetic variants of patients are the key information for implementation of precision medicine. Next-generation sequencing (NGS) is an emerging technology for deciphering genetic variants. Alignment of raw reads to a reference genome is one of the key steps in NGS data analysis. Many algorithms have been developed for alignment of short read sequences since 2008. Users have to make a decision on which alignment algorithm to use in their studies. Selection of the right alignment algorithm determines not only the alignment algorithm but also the set of suitable parameters to be used by the algorithm. Understanding these algorithms helps in selecting the appropriate alignment algorithm for different applications in precision medicine. Here, we review current available algorithms and their major strategies such as seed-and-extend and q-gram filter. We also discuss the challenges in current alignment algorithms, including alignment in multiple repeated regions, long reads alignment and alignment facilitated with known genetic variants.http://www.mdpi.com/1999-4923/7/4/523precision medicinenext-generation sequencinggenetic variantsalignmentshort reads
spellingShingle Hao Ye
Joe Meehan
Weida Tong
Huixiao Hong
Alignment of Short Reads: A Crucial Step for Application of Next-Generation Sequencing Data in Precision Medicine
Pharmaceutics
precision medicine
next-generation sequencing
genetic variants
alignment
short reads
title Alignment of Short Reads: A Crucial Step for Application of Next-Generation Sequencing Data in Precision Medicine
title_full Alignment of Short Reads: A Crucial Step for Application of Next-Generation Sequencing Data in Precision Medicine
title_fullStr Alignment of Short Reads: A Crucial Step for Application of Next-Generation Sequencing Data in Precision Medicine
title_full_unstemmed Alignment of Short Reads: A Crucial Step for Application of Next-Generation Sequencing Data in Precision Medicine
title_short Alignment of Short Reads: A Crucial Step for Application of Next-Generation Sequencing Data in Precision Medicine
title_sort alignment of short reads a crucial step for application of next generation sequencing data in precision medicine
topic precision medicine
next-generation sequencing
genetic variants
alignment
short reads
url http://www.mdpi.com/1999-4923/7/4/523
work_keys_str_mv AT haoye alignmentofshortreadsacrucialstepforapplicationofnextgenerationsequencingdatainprecisionmedicine
AT joemeehan alignmentofshortreadsacrucialstepforapplicationofnextgenerationsequencingdatainprecisionmedicine
AT weidatong alignmentofshortreadsacrucialstepforapplicationofnextgenerationsequencingdatainprecisionmedicine
AT huixiaohong alignmentofshortreadsacrucialstepforapplicationofnextgenerationsequencingdatainprecisionmedicine