Venomic, Transcriptomic, and Bioactivity Analyses of Pamphobeteus verdolaga Venom Reveal Complex Disulfide-Rich Peptides That Modulate Calcium Channels

Pamphobeteus verdolaga is a recently described Theraphosidae spider from the Andean region of Colombia. Previous reports partially characterized its venom profile. In this study, we conducted a detailed analysis that includes reversed-phase high-performance liquid chromatography (rp-HPLC), calcium i...

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Autores:
Vargas Muñoz, Leidy Johana
Vargas Muñoz, Leidy Johana
Estrada Gómez, Sebastián
Caldas Cardoso, Fernanda
Quintana Castillo, Juan Carlos
Saldarriaga Córdoba, Mónica María
Arenas Gómez, Claudia Marcela
Pineda, Sandy Steffany
Tipo de recurso:
Article of journal
Fecha de publicación:
2019
Institución:
Universidad Cooperativa de Colombia
Repositorio:
Repositorio UCC
Idioma:
OAI Identifier:
oai:repository.ucc.edu.co:20.500.12494/15916
Acceso en línea:
https://hdl.handle.net/20.500.12494/15916
Palabra clave:
theraphosidae
Pamphobeteus
Peptides
Disulfide-rich peptide (DRP)
Inhibitory cysteine knot (ICK)
Venomics
Transcriptome
Ion channels
Rights
openAccess
License
Atribución – No comercial – Sin Derivar
id COOPER2_e089476e1779c5e1e108f1f90c184a28
oai_identifier_str oai:repository.ucc.edu.co:20.500.12494/15916
network_acronym_str COOPER2
network_name_str Repositorio UCC
repository_id_str
dc.title.spa.fl_str_mv Venomic, Transcriptomic, and Bioactivity Analyses of Pamphobeteus verdolaga Venom Reveal Complex Disulfide-Rich Peptides That Modulate Calcium Channels
title Venomic, Transcriptomic, and Bioactivity Analyses of Pamphobeteus verdolaga Venom Reveal Complex Disulfide-Rich Peptides That Modulate Calcium Channels
spellingShingle Venomic, Transcriptomic, and Bioactivity Analyses of Pamphobeteus verdolaga Venom Reveal Complex Disulfide-Rich Peptides That Modulate Calcium Channels
theraphosidae
Pamphobeteus
Peptides
Disulfide-rich peptide (DRP)
Inhibitory cysteine knot (ICK)
Venomics
Transcriptome
Ion channels
title_short Venomic, Transcriptomic, and Bioactivity Analyses of Pamphobeteus verdolaga Venom Reveal Complex Disulfide-Rich Peptides That Modulate Calcium Channels
title_full Venomic, Transcriptomic, and Bioactivity Analyses of Pamphobeteus verdolaga Venom Reveal Complex Disulfide-Rich Peptides That Modulate Calcium Channels
title_fullStr Venomic, Transcriptomic, and Bioactivity Analyses of Pamphobeteus verdolaga Venom Reveal Complex Disulfide-Rich Peptides That Modulate Calcium Channels
title_full_unstemmed Venomic, Transcriptomic, and Bioactivity Analyses of Pamphobeteus verdolaga Venom Reveal Complex Disulfide-Rich Peptides That Modulate Calcium Channels
title_sort Venomic, Transcriptomic, and Bioactivity Analyses of Pamphobeteus verdolaga Venom Reveal Complex Disulfide-Rich Peptides That Modulate Calcium Channels
dc.creator.fl_str_mv Vargas Muñoz, Leidy Johana
Vargas Muñoz, Leidy Johana
Estrada Gómez, Sebastián
Caldas Cardoso, Fernanda
Quintana Castillo, Juan Carlos
Saldarriaga Córdoba, Mónica María
Arenas Gómez, Claudia Marcela
Pineda, Sandy Steffany
dc.contributor.author.none.fl_str_mv Vargas Muñoz, Leidy Johana
Vargas Muñoz, Leidy Johana
Estrada Gómez, Sebastián
Caldas Cardoso, Fernanda
Quintana Castillo, Juan Carlos
Saldarriaga Córdoba, Mónica María
Arenas Gómez, Claudia Marcela
Pineda, Sandy Steffany
dc.subject.spa.fl_str_mv theraphosidae
Pamphobeteus
Peptides
Disulfide-rich peptide (DRP)
Inhibitory cysteine knot (ICK)
Venomics
Transcriptome
Ion channels
topic theraphosidae
Pamphobeteus
Peptides
Disulfide-rich peptide (DRP)
Inhibitory cysteine knot (ICK)
Venomics
Transcriptome
Ion channels
description Pamphobeteus verdolaga is a recently described Theraphosidae spider from the Andean region of Colombia. Previous reports partially characterized its venom profile. In this study, we conducted a detailed analysis that includes reversed-phase high-performance liquid chromatography (rp-HPLC), calcium influx assays, tandem mass spectrometry analysis (tMS/MS), and venom-gland transcriptome. rp-HPLC fractions of P. verdolaga venom showed activity on CaV2.2, CaV3.2, and NaV1.7 ion channels. Active fractions contained several peptides with molecular masses ranging from 3399.4 to 3839.6 Da. The tMS/MS analysis of active fraction displaying the strongest activity to inhibit calcium channels showed sequence fragments similar to one of the translated transcripts detected in the venom-gland transcriptome. The putative peptide of this translated transcript corresponded to a toxin, here named !-theraphositoxin-Pv3a, a potential ion channel modulator toxin that is, in addition, very similar to other theraphositoxins a ecting calcium channels (i.e., !-theraphotoxin-Asp1a). Additionally, using this holistic approach, we found that P. verdolaga venom is an important source of disulfide-rich proteins expressing at least eight superfamilies.
publishDate 2019
dc.date.issued.none.fl_str_mv 2019-08-27
dc.date.accessioned.none.fl_str_mv 2020-01-15T15:16:33Z
dc.date.available.none.fl_str_mv 2020-01-15T15:16:33Z
dc.type.none.fl_str_mv Artículo
dc.type.coar.fl_str_mv http://purl.org/coar/resource_type/c_2df8fbb1
dc.type.coar.none.fl_str_mv http://purl.org/coar/resource_type/c_6501
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dc.type.driver.none.fl_str_mv info:eu-repo/semantics/article
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dc.identifier.issn.spa.fl_str_mv 2072-6651
dc.identifier.uri.spa.fl_str_mv 10.3390/toxins11090496
dc.identifier.uri.none.fl_str_mv https://hdl.handle.net/20.500.12494/15916
dc.identifier.bibliographicCitation.spa.fl_str_mv Estrada-Gomez, S., Cardoso, F. C., Vargas-Muñoz, L. J., Quintana-Castillo, J. C., Arenas Gómez, C. M., Pineda, S. S. y Saldarriaga-Cordoba, M. M. (2019). Venomic, Transcriptomic, and Bioactivity Analyses of Pamphobeteus verdolaga Venom Reveal Complex Disulfide-Rich Peptides That Modulate Calcium Channels. Toxins 2019, 11, 496. Recuperado de:
identifier_str_mv 2072-6651
10.3390/toxins11090496
Estrada-Gomez, S., Cardoso, F. C., Vargas-Muñoz, L. J., Quintana-Castillo, J. C., Arenas Gómez, C. M., Pineda, S. S. y Saldarriaga-Cordoba, M. M. (2019). Venomic, Transcriptomic, and Bioactivity Analyses of Pamphobeteus verdolaga Venom Reveal Complex Disulfide-Rich Peptides That Modulate Calcium Channels. Toxins 2019, 11, 496. Recuperado de:
url https://hdl.handle.net/20.500.12494/15916
dc.relation.isversionof.spa.fl_str_mv https://www.mdpi.com/2072-6651/11/9/496
dc.relation.ispartofjournal.spa.fl_str_mv Toxins
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spelling Vargas Muñoz, Leidy JohanaVargas Muñoz, Leidy JohanaEstrada Gómez, SebastiánCaldas Cardoso, FernandaQuintana Castillo, Juan CarlosSaldarriaga Córdoba, Mónica MaríaArenas Gómez, Claudia MarcelaPineda, Sandy Steffany112020-01-15T15:16:33Z2020-01-15T15:16:33Z2019-08-272072-665110.3390/toxins11090496https://hdl.handle.net/20.500.12494/15916Estrada-Gomez, S., Cardoso, F. C., Vargas-Muñoz, L. J., Quintana-Castillo, J. C., Arenas Gómez, C. M., Pineda, S. S. y Saldarriaga-Cordoba, M. M. (2019). Venomic, Transcriptomic, and Bioactivity Analyses of Pamphobeteus verdolaga Venom Reveal Complex Disulfide-Rich Peptides That Modulate Calcium Channels. Toxins 2019, 11, 496. Recuperado de:Pamphobeteus verdolaga is a recently described Theraphosidae spider from the Andean region of Colombia. Previous reports partially characterized its venom profile. In this study, we conducted a detailed analysis that includes reversed-phase high-performance liquid chromatography (rp-HPLC), calcium influx assays, tandem mass spectrometry analysis (tMS/MS), and venom-gland transcriptome. rp-HPLC fractions of P. verdolaga venom showed activity on CaV2.2, CaV3.2, and NaV1.7 ion channels. Active fractions contained several peptides with molecular masses ranging from 3399.4 to 3839.6 Da. The tMS/MS analysis of active fraction displaying the strongest activity to inhibit calcium channels showed sequence fragments similar to one of the translated transcripts detected in the venom-gland transcriptome. The putative peptide of this translated transcript corresponded to a toxin, here named !-theraphositoxin-Pv3a, a potential ion channel modulator toxin that is, in addition, very similar to other theraphositoxins a ecting calcium channels (i.e., !-theraphotoxin-Asp1a). Additionally, using this holistic approach, we found that P. verdolaga venom is an important source of disulfide-rich proteins expressing at least eight superfamilies.https://scienti.colciencias.gov.co/cvlac/visualizador/generarCurriculoCv.do?cod_rh=0000580023https://orcid.org/0000-0003-1332-5106https://scienti.colciencias.gov.co/gruplac/jsp/visualiza/visualizagr.jsp?nro=00000000011355leidy.vargasmu@campusucc.edu.cosebastian.estrada@udea.edu.cof.caldascardoso@imb.uq.edu.aujuan.quintana@campusucc.edu.comonysalda@gmail.comclaudia.arenas@udea.edu.cosandy.spineda@gmail.com21Universidad Cooperativa de Colombia, Facultad de Ciencias de la Salud, Medicina, MedellínMedicinaMedellínhttps://www.mdpi.com/2072-6651/11/9/496ToxinsEscoubas, P.; Rash, L. Tarantulas: Eight-legged pharmacists and combinatorial chemists. Toxicon 2004, 43, 555–574. [CrossRef] [PubMed]King, J.B.; Gross, J.; Lovly, C.M.; Piwnica-Worms, H.; Townsend, R.R. 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Chem. 2018, 26, 3046–3059.theraphosidaePamphobeteusPeptidesDisulfide-rich peptide (DRP)Inhibitory cysteine knot (ICK)VenomicsTranscriptomeIon channelsVenomic, Transcriptomic, and Bioactivity Analyses of Pamphobeteus verdolaga Venom Reveal Complex Disulfide-Rich Peptides That Modulate Calcium ChannelsArtículohttp://purl.org/coar/resource_type/c_6501http://purl.org/coar/resource_type/c_2df8fbb1http://purl.org/coar/version/c_970fb48d4fbd8a85info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionAtribución – No comercial – Sin Derivarinfo:eu-repo/semantics/openAccesshttp://purl.org/coar/access_right/c_abf2PublicationTEXT2019_Estradaycolaboradores_Venomic_Transcriptomic_Bioactivity_Analyses.pdf.txt2019_Estradaycolaboradores_Venomic_Transcriptomic_Bioactivity_Analyses.pdf.txtExtracted texttext/plain91807https://repository.ucc.edu.co/bitstreams/945efac0-4dbe-4214-8a6c-40fa5552150b/download5681e258a877c9881c59e63c9af6f036MD562020_Licencia de uso_ Venomic, Transcriptomic, and 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