ABP-Finder: A Tool to Identify Antibacterial Peptides and the Gram-Staining Type of Targeted Bacteria

Multi-drug resistance in bacteria is a major health problem worldwide. To overcome this issue, new approaches allowing for the identification and development of antibacterial agents are urgently needed. Peptides, due to their binding specificity and low expected side effects, are promising candidate...

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Main Authors: Yasser B. Ruiz-Blanco, Guillermin Agüero-Chapin, Sandra Romero-Molina, Agostinho Antunes, Lia-Raluca Olari, Barbara Spellerberg, Jan Münch, Elsa Sanchez-Garcia
Format: Article
Language:English
Published: MDPI AG 2022-11-01
Series:Antibiotics
Subjects:
Online Access:https://www.mdpi.com/2079-6382/11/12/1708
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author Yasser B. Ruiz-Blanco
Guillermin Agüero-Chapin
Sandra Romero-Molina
Agostinho Antunes
Lia-Raluca Olari
Barbara Spellerberg
Jan Münch
Elsa Sanchez-Garcia
author_facet Yasser B. Ruiz-Blanco
Guillermin Agüero-Chapin
Sandra Romero-Molina
Agostinho Antunes
Lia-Raluca Olari
Barbara Spellerberg
Jan Münch
Elsa Sanchez-Garcia
author_sort Yasser B. Ruiz-Blanco
collection DOAJ
description Multi-drug resistance in bacteria is a major health problem worldwide. To overcome this issue, new approaches allowing for the identification and development of antibacterial agents are urgently needed. Peptides, due to their binding specificity and low expected side effects, are promising candidates for a new generation of antibiotics. For over two decades, a large diversity of antimicrobial peptides (AMPs) has been discovered and annotated in public databases. The AMP family encompasses nearly 20 biological functions, thus representing a potentially valuable resource for data mining analyses. Nonetheless, despite the availability of machine learning-based approaches focused on AMPs, these tools lack evidence of successful application for AMPs’ discovery, and many are not designed to predict a specific function for putative AMPs, such as antibacterial activity. Consequently, among the apparent variety of data mining methods to screen peptide sequences for antibacterial activity, only few tools can deal with such task consistently, although with limited precision and generally no information about the possible targets. Here, we addressed this gap by introducing a tool specifically designed to identify antibacterial peptides (ABPs) with an estimation of which type of bacteria is susceptible to the action of these peptides, according to their response to the Gram-staining assay. Our tool is freely available via a web server named ABP-Finder. This new method ranks within the top state-of-the-art ABP predictors, particularly in terms of precision. Importantly, we showed the successful application of ABP-Finder for the screening of a large peptide library from the human urine peptidome and the identification of an antibacterial peptide.
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spelling doaj.art-7bb33664123447ad951c4c8ddd5421582023-11-24T12:53:01ZengMDPI AGAntibiotics2079-63822022-11-011112170810.3390/antibiotics11121708ABP-Finder: A Tool to Identify Antibacterial Peptides and the Gram-Staining Type of Targeted BacteriaYasser B. Ruiz-Blanco0Guillermin Agüero-Chapin1Sandra Romero-Molina2Agostinho Antunes3Lia-Raluca Olari4Barbara Spellerberg5Jan Münch6Elsa Sanchez-Garcia7Computational Biochemistry, Center of Medical Biotechnology, University of Duisburg-Essen, 45141 Essen, GermanyCIIMAR—Centro Interdisciplinar de Investigação Marinha e Ambiental, Universidade do Porto, Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos, s/n, 4450-208 Porto, PortugalComputational Biochemistry, Center of Medical Biotechnology, University of Duisburg-Essen, 45141 Essen, GermanyCIIMAR—Centro Interdisciplinar de Investigação Marinha e Ambiental, Universidade do Porto, Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos, s/n, 4450-208 Porto, PortugalInstitute of Molecular Virology, University Hospital Ulm, 89081 Ulm, GermanyInstitute of Medical Microbiology and Hygiene, University Hospital Ulm, 89081 Ulm, GermanyInstitute of Molecular Virology, University Hospital Ulm, 89081 Ulm, GermanyComputational Biochemistry, Center of Medical Biotechnology, University of Duisburg-Essen, 45141 Essen, GermanyMulti-drug resistance in bacteria is a major health problem worldwide. To overcome this issue, new approaches allowing for the identification and development of antibacterial agents are urgently needed. Peptides, due to their binding specificity and low expected side effects, are promising candidates for a new generation of antibiotics. For over two decades, a large diversity of antimicrobial peptides (AMPs) has been discovered and annotated in public databases. The AMP family encompasses nearly 20 biological functions, thus representing a potentially valuable resource for data mining analyses. Nonetheless, despite the availability of machine learning-based approaches focused on AMPs, these tools lack evidence of successful application for AMPs’ discovery, and many are not designed to predict a specific function for putative AMPs, such as antibacterial activity. Consequently, among the apparent variety of data mining methods to screen peptide sequences for antibacterial activity, only few tools can deal with such task consistently, although with limited precision and generally no information about the possible targets. Here, we addressed this gap by introducing a tool specifically designed to identify antibacterial peptides (ABPs) with an estimation of which type of bacteria is susceptible to the action of these peptides, according to their response to the Gram-staining assay. Our tool is freely available via a web server named ABP-Finder. This new method ranks within the top state-of-the-art ABP predictors, particularly in terms of precision. Importantly, we showed the successful application of ABP-Finder for the screening of a large peptide library from the human urine peptidome and the identification of an antibacterial peptide.https://www.mdpi.com/2079-6382/11/12/1708antibacterial peptidemachine learningAMPs databaseStarPepGram staining-based targetpeptide library screening
spellingShingle Yasser B. Ruiz-Blanco
Guillermin Agüero-Chapin
Sandra Romero-Molina
Agostinho Antunes
Lia-Raluca Olari
Barbara Spellerberg
Jan Münch
Elsa Sanchez-Garcia
ABP-Finder: A Tool to Identify Antibacterial Peptides and the Gram-Staining Type of Targeted Bacteria
Antibiotics
antibacterial peptide
machine learning
AMPs database
StarPep
Gram staining-based target
peptide library screening
title ABP-Finder: A Tool to Identify Antibacterial Peptides and the Gram-Staining Type of Targeted Bacteria
title_full ABP-Finder: A Tool to Identify Antibacterial Peptides and the Gram-Staining Type of Targeted Bacteria
title_fullStr ABP-Finder: A Tool to Identify Antibacterial Peptides and the Gram-Staining Type of Targeted Bacteria
title_full_unstemmed ABP-Finder: A Tool to Identify Antibacterial Peptides and the Gram-Staining Type of Targeted Bacteria
title_short ABP-Finder: A Tool to Identify Antibacterial Peptides and the Gram-Staining Type of Targeted Bacteria
title_sort abp finder a tool to identify antibacterial peptides and the gram staining type of targeted bacteria
topic antibacterial peptide
machine learning
AMPs database
StarPep
Gram staining-based target
peptide library screening
url https://www.mdpi.com/2079-6382/11/12/1708
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