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A Pipeline NanoTRF as a New Tool for De Novo Satellite DNA Identification in the Raw Nanopore Sequencing Reads of Plant Genomes
High-copy tandemly organized repeats (TRs), or satellite DNA, is an important but still enigmatic component of eukaryotic genomes. TRs comprise arrays of multi-copy and highly similar tandem repeats, which makes the elucidation of TRs a very challenging task. Oxford Nanopore sequencing data provide...
Autores principales: | , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
MDPI
2022
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9413040/ https://www.ncbi.nlm.nih.gov/pubmed/36015406 http://dx.doi.org/10.3390/plants11162103 |
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author | Kirov, Ilya Kolganova, Elizaveta Dudnikov, Maxim Yurkevich, Olga Yu. Amosova, Alexandra V. Muravenko, Olga V. |
author_facet | Kirov, Ilya Kolganova, Elizaveta Dudnikov, Maxim Yurkevich, Olga Yu. Amosova, Alexandra V. Muravenko, Olga V. |
author_sort | Kirov, Ilya |
collection | PubMed |
description | High-copy tandemly organized repeats (TRs), or satellite DNA, is an important but still enigmatic component of eukaryotic genomes. TRs comprise arrays of multi-copy and highly similar tandem repeats, which makes the elucidation of TRs a very challenging task. Oxford Nanopore sequencing data provide a valuable source of information on TR organization at the single molecule level. However, bioinformatics tools for de novo identification of TRs in raw Nanopore data have not been reported so far. We developed NanoTRF, a new python pipeline for TR repeat identification, characterization and consensus monomer sequence assembly. This new pipeline requires only a raw Nanopore read file from low-depth (<1×) genome sequencing. The program generates an informative html report and figures on TR genome abundance, monomer sequence and monomer length. In addition, NanoTRF performs annotation of transposable elements (TEs) sequences within or near satDNA arrays, and the information can be used to elucidate how TR–TE co-evolve in the genome. Moreover, we validated by FISH that the NanoTRF report is useful for the evaluation of TR chromosome organization—clustered or dispersed. Our findings showed that NanoTRF is a robust method for the de novo identification of satellite repeats in raw Nanopore data without prior read assembly. The obtained sequences can be used in many downstream analyses including genome assembly assistance and gap estimation, chromosome mapping and cytogenetic marker development. |
format | Online Article Text |
id | pubmed-9413040 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2022 |
publisher | MDPI |
record_format | MEDLINE/PubMed |
spelling | pubmed-94130402022-08-27 A Pipeline NanoTRF as a New Tool for De Novo Satellite DNA Identification in the Raw Nanopore Sequencing Reads of Plant Genomes Kirov, Ilya Kolganova, Elizaveta Dudnikov, Maxim Yurkevich, Olga Yu. Amosova, Alexandra V. Muravenko, Olga V. Plants (Basel) Article High-copy tandemly organized repeats (TRs), or satellite DNA, is an important but still enigmatic component of eukaryotic genomes. TRs comprise arrays of multi-copy and highly similar tandem repeats, which makes the elucidation of TRs a very challenging task. Oxford Nanopore sequencing data provide a valuable source of information on TR organization at the single molecule level. However, bioinformatics tools for de novo identification of TRs in raw Nanopore data have not been reported so far. We developed NanoTRF, a new python pipeline for TR repeat identification, characterization and consensus monomer sequence assembly. This new pipeline requires only a raw Nanopore read file from low-depth (<1×) genome sequencing. The program generates an informative html report and figures on TR genome abundance, monomer sequence and monomer length. In addition, NanoTRF performs annotation of transposable elements (TEs) sequences within or near satDNA arrays, and the information can be used to elucidate how TR–TE co-evolve in the genome. Moreover, we validated by FISH that the NanoTRF report is useful for the evaluation of TR chromosome organization—clustered or dispersed. Our findings showed that NanoTRF is a robust method for the de novo identification of satellite repeats in raw Nanopore data without prior read assembly. The obtained sequences can be used in many downstream analyses including genome assembly assistance and gap estimation, chromosome mapping and cytogenetic marker development. MDPI 2022-08-12 /pmc/articles/PMC9413040/ /pubmed/36015406 http://dx.doi.org/10.3390/plants11162103 Text en © 2022 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). |
spellingShingle | Article Kirov, Ilya Kolganova, Elizaveta Dudnikov, Maxim Yurkevich, Olga Yu. Amosova, Alexandra V. Muravenko, Olga V. A Pipeline NanoTRF as a New Tool for De Novo Satellite DNA Identification in the Raw Nanopore Sequencing Reads of Plant Genomes |
title | A Pipeline NanoTRF as a New Tool for De Novo Satellite DNA Identification in the Raw Nanopore Sequencing Reads of Plant Genomes |
title_full | A Pipeline NanoTRF as a New Tool for De Novo Satellite DNA Identification in the Raw Nanopore Sequencing Reads of Plant Genomes |
title_fullStr | A Pipeline NanoTRF as a New Tool for De Novo Satellite DNA Identification in the Raw Nanopore Sequencing Reads of Plant Genomes |
title_full_unstemmed | A Pipeline NanoTRF as a New Tool for De Novo Satellite DNA Identification in the Raw Nanopore Sequencing Reads of Plant Genomes |
title_short | A Pipeline NanoTRF as a New Tool for De Novo Satellite DNA Identification in the Raw Nanopore Sequencing Reads of Plant Genomes |
title_sort | pipeline nanotrf as a new tool for de novo satellite dna identification in the raw nanopore sequencing reads of plant genomes |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9413040/ https://www.ncbi.nlm.nih.gov/pubmed/36015406 http://dx.doi.org/10.3390/plants11162103 |
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