Unraveling the photoactive annihilation mechanism of nanostructures as effective green tools for inhibiting the proliferation of the phytopathogenic bacterium Pseudomonas syringae

"The infectious proliferation of phytopathogenic microorganisms depends on a complex sequence of biological events involving host defense, environmental conditions, and chemical and physical interactions between the surface of a plant and microorganisms, which in numerous cases display resistan...

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Detalhes bibliográficos
Autores: J Sergio Casas Flores, RUTH BELINDA DOMINGUEZ ESPINDOLA, ROBERTO CAMPOSECO SOLIS, OLGA ARACELI PATRON SOBERANO, VICENTE RODRIGUEZ GONZALEZ
Formato: artículo
Estado:Versión publicada
Fecha de publicación:2019
País:México
Recursos:Instituto Potosino de Investigación Científica y Tecnológica
Repositorio:Repositorio Institucional del IPICYT
OAI Identifier:oai:ipicyt.repositorioinstitucional.mx:1010/2139
Acesso em linha:http://ipicyt.repositorioinstitucional.mx/jspui/handle/1010/2139
Access Level:acceso abierto
Palavra-chave:info:eu-repo/classification/Autor/Escherichia-coli
info:eu-repo/classification/Autor/Photocatalytic degradation
info:eu-repo/classification/Autor/Titanate nanotubes
info:eu-repo/classification/Autor/Pathogen
info:eu-repo/classification/Autor/Plant
info:eu-repo/classification/Autor/Inactivation
info:eu-repo/classification/Autor/Diseases
info:eu-repo/classification/cti/2
info:eu-repo/classification/cti/23
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spelling Unraveling the photoactive annihilation mechanism of nanostructures as effective green tools for inhibiting the proliferation of the phytopathogenic bacterium Pseudomonas syringaeJ Sergio Casas FloresRUTH BELINDA DOMINGUEZ ESPINDOLAROBERTO CAMPOSECO SOLISOLGA ARACELI PATRON SOBERANOVICENTE RODRIGUEZ GONZALEZinfo:eu-repo/classification/Autor/Escherichia-coliinfo:eu-repo/classification/Autor/Photocatalytic degradationinfo:eu-repo/classification/Autor/Titanate nanotubesinfo:eu-repo/classification/Autor/Pathogeninfo:eu-repo/classification/Autor/Plantinfo:eu-repo/classification/Autor/Inactivationinfo:eu-repo/classification/Autor/Diseasesinfo:eu-repo/classification/cti/2info:eu-repo/classification/cti/23info:eu-repo/classification/cti/23"The infectious proliferation of phytopathogenic microorganisms depends on a complex sequence of biological events involving host defense, environmental conditions, and chemical and physical interactions between the surface of a plant and microorganisms, which in numerous cases display resistance to conventional microbicides. Among these microorganisms, Pseudomonas syringae (P. syringae) is a Gram-negative bacterium that attacks wounded parts of plants before invading healthy tissues. In order to control P. syringae, considering it to be a phytopathogenic model, an effective method featuring silver nanoparticles (AgNPs) functionalized on titanate nanotubes (Nts) used as photoactive antibacterial agents was investigated to understand the effective photoactive annihilation mechanism. The high dispersion of AgNPs over the Nts boosted charge carrier separation by generating reactive oxygen species (ROS) under visible-light, which stressed the bacteria and enhanced the biocidal effect by quickly preventing the rod-shaped P. syringae bacteria from proliferating. Biological transmission and scanning electron microscopy revealed damaged P. syringae cells that underwent the formation of outer membrane vesicles, caused by photo-assisted annihilation, which is considered to be an indication of a critical defense mechanism. The unusual synergistic properties of the Nts, and their low cost and practical synthesis, made these nanocomposites promising green tools that can positively and swiftly photokill P. syringae within 30 min."Royal Society of Chemistry2019info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttp://ipicyt.repositorioinstitucional.mx/jspui/handle/1010/2139reponame:Repositorio Institucional del IPICYTinstname:Instituto Potosino de Investigación Científica y Tecnológicainstacron:IPICYTinfo:eu-repo/semantics/altIdentifier/DOI/https://doi.org/10.1039/C8NA00307Fcitation:Nanoscale Adv., 2019,1, 2258-2267info:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by-nc-nd/4.0oai:ipicyt.repositorioinstitucional.mx:1010/21392024-08-28T03:17:49Z
dc.title.none.fl_str_mv Unraveling the photoactive annihilation mechanism of nanostructures as effective green tools for inhibiting the proliferation of the phytopathogenic bacterium Pseudomonas syringae
title Unraveling the photoactive annihilation mechanism of nanostructures as effective green tools for inhibiting the proliferation of the phytopathogenic bacterium Pseudomonas syringae
spellingShingle Unraveling the photoactive annihilation mechanism of nanostructures as effective green tools for inhibiting the proliferation of the phytopathogenic bacterium Pseudomonas syringae
J Sergio Casas Flores
info:eu-repo/classification/Autor/Escherichia-coli
info:eu-repo/classification/Autor/Photocatalytic degradation
info:eu-repo/classification/Autor/Titanate nanotubes
info:eu-repo/classification/Autor/Pathogen
info:eu-repo/classification/Autor/Plant
info:eu-repo/classification/Autor/Inactivation
info:eu-repo/classification/Autor/Diseases
info:eu-repo/classification/cti/2
info:eu-repo/classification/cti/23
info:eu-repo/classification/cti/23
title_short Unraveling the photoactive annihilation mechanism of nanostructures as effective green tools for inhibiting the proliferation of the phytopathogenic bacterium Pseudomonas syringae
title_full Unraveling the photoactive annihilation mechanism of nanostructures as effective green tools for inhibiting the proliferation of the phytopathogenic bacterium Pseudomonas syringae
title_fullStr Unraveling the photoactive annihilation mechanism of nanostructures as effective green tools for inhibiting the proliferation of the phytopathogenic bacterium Pseudomonas syringae
title_full_unstemmed Unraveling the photoactive annihilation mechanism of nanostructures as effective green tools for inhibiting the proliferation of the phytopathogenic bacterium Pseudomonas syringae
title_sort Unraveling the photoactive annihilation mechanism of nanostructures as effective green tools for inhibiting the proliferation of the phytopathogenic bacterium Pseudomonas syringae
dc.creator.none.fl_str_mv J Sergio Casas Flores
RUTH BELINDA DOMINGUEZ ESPINDOLA
ROBERTO CAMPOSECO SOLIS
OLGA ARACELI PATRON SOBERANO
VICENTE RODRIGUEZ GONZALEZ
author J Sergio Casas Flores
author_facet J Sergio Casas Flores
RUTH BELINDA DOMINGUEZ ESPINDOLA
ROBERTO CAMPOSECO SOLIS
OLGA ARACELI PATRON SOBERANO
VICENTE RODRIGUEZ GONZALEZ
author_role author
author2 RUTH BELINDA DOMINGUEZ ESPINDOLA
ROBERTO CAMPOSECO SOLIS
OLGA ARACELI PATRON SOBERANO
VICENTE RODRIGUEZ GONZALEZ
author2_role author
author
author
author
dc.subject.none.fl_str_mv info:eu-repo/classification/Autor/Escherichia-coli
info:eu-repo/classification/Autor/Photocatalytic degradation
info:eu-repo/classification/Autor/Titanate nanotubes
info:eu-repo/classification/Autor/Pathogen
info:eu-repo/classification/Autor/Plant
info:eu-repo/classification/Autor/Inactivation
info:eu-repo/classification/Autor/Diseases
info:eu-repo/classification/cti/2
info:eu-repo/classification/cti/23
info:eu-repo/classification/cti/23
topic info:eu-repo/classification/Autor/Escherichia-coli
info:eu-repo/classification/Autor/Photocatalytic degradation
info:eu-repo/classification/Autor/Titanate nanotubes
info:eu-repo/classification/Autor/Pathogen
info:eu-repo/classification/Autor/Plant
info:eu-repo/classification/Autor/Inactivation
info:eu-repo/classification/Autor/Diseases
info:eu-repo/classification/cti/2
info:eu-repo/classification/cti/23
info:eu-repo/classification/cti/23
description "The infectious proliferation of phytopathogenic microorganisms depends on a complex sequence of biological events involving host defense, environmental conditions, and chemical and physical interactions between the surface of a plant and microorganisms, which in numerous cases display resistance to conventional microbicides. Among these microorganisms, Pseudomonas syringae (P. syringae) is a Gram-negative bacterium that attacks wounded parts of plants before invading healthy tissues. In order to control P. syringae, considering it to be a phytopathogenic model, an effective method featuring silver nanoparticles (AgNPs) functionalized on titanate nanotubes (Nts) used as photoactive antibacterial agents was investigated to understand the effective photoactive annihilation mechanism. The high dispersion of AgNPs over the Nts boosted charge carrier separation by generating reactive oxygen species (ROS) under visible-light, which stressed the bacteria and enhanced the biocidal effect by quickly preventing the rod-shaped P. syringae bacteria from proliferating. Biological transmission and scanning electron microscopy revealed damaged P. syringae cells that underwent the formation of outer membrane vesicles, caused by photo-assisted annihilation, which is considered to be an indication of a critical defense mechanism. The unusual synergistic properties of the Nts, and their low cost and practical synthesis, made these nanocomposites promising green tools that can positively and swiftly photokill P. syringae within 30 min."
publishDate 2019
dc.date.none.fl_str_mv 2019
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://ipicyt.repositorioinstitucional.mx/jspui/handle/1010/2139
url http://ipicyt.repositorioinstitucional.mx/jspui/handle/1010/2139
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/DOI/https://doi.org/10.1039/C8NA00307F
citation:Nanoscale Adv., 2019,1, 2258-2267
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
http://creativecommons.org/licenses/by-nc-nd/4.0
eu_rights_str_mv openAccess
rights_invalid_str_mv http://creativecommons.org/licenses/by-nc-nd/4.0
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Royal Society of Chemistry
publisher.none.fl_str_mv Royal Society of Chemistry
dc.source.none.fl_str_mv reponame:Repositorio Institucional del IPICYT
instname:Instituto Potosino de Investigación Científica y Tecnológica
instacron:IPICYT
instname_str Instituto Potosino de Investigación Científica y Tecnológica
instacron_str IPICYT
institution IPICYT
reponame_str Repositorio Institucional del IPICYT
collection Repositorio Institucional del IPICYT
repository.name.fl_str_mv
repository.mail.fl_str_mv
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