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Volume 10, Issue 4

Genome-wide annotation of transcript boundaries using bacterial Rend-seq datasets Open Access

Abstract

Accurate annotation to single-nucleotide resolution of the transcribed regions in genomes is key to optimally analyse RNA-seq data, understand regulatory events and for the design of experiments. However, currently most genome annotations provided by GenBank generally lack information about untranslated regions. Additionally, information regarding genomic locations of non-coding RNAs, such as sRNAs, or anti-sense RNAs is frequently missing. To provide such information, diverse RNA-seq technologies, such as Rend-seq, have been developed and applied to many bacterial species. However, incorporating this vast amount of information into annotation files has been limited and is bioinformatically challenging, resulting in UTRs and other non-coding elements being overlooked or misrepresented. To overcome this problem, we present pyRAP (python Rend-seq Annotation Pipeline), a software package that analyses Rend-seq datasets to accurately resolve transcript boundaries genome-wide. We report the use of pyRAP to find novel transcripts, transcript isoforms, and RNase-dependent sRNA processing events. In we uncovered 63 novel transcripts and provide genomic coordinates with single-nucleotide resolution for 2218 5′UTRs, 1864 3′UTRs and 161 non-coding RNAs. In we report 117 novel transcripts, 2429 5′UTRs, 1619 3′UTRs and 91 non-coding RNAs, and in 16 novel transcripts, 664 5′UTRs, 696 3′UTRs, and 81 non-coding RNAs. Finally, we use pyRAP to produce updated annotation files for , , and for use in the wider microbial genomics research community.

  • Received:
  • Accepted:
  • Published Online:
Keyword(s): Bacillus subtilis , Escherichia coli , pyRAP , Rend-seq , sRNA and Staphylococcus aureus
Funding
This study was supported by the:
  • University of Bath
    • Principle Award Recipient: AndreasC Lawaetz
© 2024 The Authors
  • This is an open-access article distributed under the terms of the Creative Commons Attribution License. This article was made open access via a Publish and Read agreement between the Microbiology Society and the corresponding author’s institution.
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2024-04-26
2024-05-07
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Genome-wide annotation of transcript boundaries using bacterial Rend-seq datasets
M Gen 10, 001239 (2024); https://doi.org/10.1099/mgen.0.001239
/content/journal/mgen/10.1099/mgen.0.001239
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