Effect of Oxytetracycline and Chlortetracycline on Bacterial Community Growth in Agricultural Soils

Toxicity on soil bacterial community growth caused by the antibiotics oxytetracycline (OTC) and chlortetracycline (CTC) was studied in 22 agricultural soils after 1, 8 and 42 incubation days. The leucine incorporation method was used with this aim, estimating the concentration of each antibiotic whi...

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Autores: Santás Miguel, Vanesa, Arias Estévez, Manuel, Díaz Raviña, Montserrat, Fernández Sanjurjo, María J., Álvarez Rodríguez, Esperanza, Núñez Delgado, Avelino, Fernández Calviño, David
Tipo de recurso: artículo
Fecha de publicación:2020
País:España
Institución:Universidad de Santiago de Compostela (USC)
Repositorio:Minerva. Repositorio Institucional de la Universidad de Santiago de Compostela
Idioma:inglés
OAI Identifier:oai:minerva.usc.gal:10347/23433
Acceso en línea:http://hdl.handle.net/10347/23433
Access Level:acceso abierto
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spelling Effect of Oxytetracycline and Chlortetracycline on Bacterial Community Growth in Agricultural SoilsSantás Miguel, VanesaArias Estévez, ManuelDíaz Raviña, MontserratFernández Sanjurjo, María J.Álvarez Rodríguez, EsperanzaNúñez Delgado, AvelinoFernández Calviño, DavidToxicity on soil bacterial community growth caused by the antibiotics oxytetracycline (OTC) and chlortetracycline (CTC) was studied in 22 agricultural soils after 1, 8 and 42 incubation days. The leucine incorporation method was used with this aim, estimating the concentration of each antibiotic which caused an inhibition of 50% in bacterial community growth (log IC50). For OTC, the mean log IC50 was 2.70, 2.81, 2.84 for each of the three incubation times, while the values were 2.05, 2.22 and 2.47 for CTC, meaning that the magnitude of OTC toxicity was similar over time, whereas it decreased significantly for CTC with incubation time. In addition, results showed that the toxicity on bacterial community growth due to CTC is significantly higher than when due to OTC. Moreover, the toxicity on bacterial community growth due to both antibiotics is dependent on soil properties. Specifically, an increase in soil pH and silt content resulted in higher toxicity of both antibiotics, while increases in total organic carbon and clay contents caused decreases in OTC and CTC toxicities. The results also show that OTC toxicity can be well predicted by means of specific equations, using the values of pH measured in KCl and those of effective cation exchange capacity as input variables. CTC toxicity may be predicted (but with low precision) using pH measured in KCl and total organic carbon. These equations may help to predict the negative effects caused by OTC and CTC on soil bacteria using easily measurable soil parametersUniversidade de Santiago de Compostela. Departamento de Edafoloxía e Química Agrícola20202020-01-0120202020-01-01journal articlehttp://purl.org/coar/resource_type/c_6501VoRhttp://purl.org/coar/version/c_970fb48d4fbd8a85info:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10347/23433reponame:Minerva. Repositorio Institucional de la Universidad de Santiago de Compostelainstname:Universidad de Santiago de Compostela (USC)InglésengMinisterio de Economía y Competitividad http://dx.doi.org/10.13039/501100003329 Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016 CGL2015-67333-C2-1-R PROBLEMAS AMBIENTALES DERIVADOS DE LA PRESENCIA DE ANTIBIOTICOS DE USO VETERINARIO EN EL SUELOopen accesshttp://purl.org/coar/access_right/c_abf2© 2020 by the authors. 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 (http://creativecommons.org/licenses/by/4.0/)http://creativecommons.org/licenses/by/4.0/info:eu-repo/semantics/openAccessoai:minerva.usc.gal:10347/234332026-06-15T12:47:27Z
dc.title.none.fl_str_mv Effect of Oxytetracycline and Chlortetracycline on Bacterial Community Growth in Agricultural Soils
title Effect of Oxytetracycline and Chlortetracycline on Bacterial Community Growth in Agricultural Soils
spellingShingle Effect of Oxytetracycline and Chlortetracycline on Bacterial Community Growth in Agricultural Soils
Santás Miguel, Vanesa
title_short Effect of Oxytetracycline and Chlortetracycline on Bacterial Community Growth in Agricultural Soils
title_full Effect of Oxytetracycline and Chlortetracycline on Bacterial Community Growth in Agricultural Soils
title_fullStr Effect of Oxytetracycline and Chlortetracycline on Bacterial Community Growth in Agricultural Soils
title_full_unstemmed Effect of Oxytetracycline and Chlortetracycline on Bacterial Community Growth in Agricultural Soils
title_sort Effect of Oxytetracycline and Chlortetracycline on Bacterial Community Growth in Agricultural Soils
dc.creator.none.fl_str_mv Santás Miguel, Vanesa
Arias Estévez, Manuel
Díaz Raviña, Montserrat
Fernández Sanjurjo, María J.
Álvarez Rodríguez, Esperanza
Núñez Delgado, Avelino
Fernández Calviño, David
author Santás Miguel, Vanesa
author_facet Santás Miguel, Vanesa
Arias Estévez, Manuel
Díaz Raviña, Montserrat
Fernández Sanjurjo, María J.
Álvarez Rodríguez, Esperanza
Núñez Delgado, Avelino
Fernández Calviño, David
author_role author
author2 Arias Estévez, Manuel
Díaz Raviña, Montserrat
Fernández Sanjurjo, María J.
Álvarez Rodríguez, Esperanza
Núñez Delgado, Avelino
Fernández Calviño, David
author2_role author
author
author
author
author
author
dc.contributor.none.fl_str_mv Universidade de Santiago de Compostela. Departamento de Edafoloxía e Química Agrícola
description Toxicity on soil bacterial community growth caused by the antibiotics oxytetracycline (OTC) and chlortetracycline (CTC) was studied in 22 agricultural soils after 1, 8 and 42 incubation days. The leucine incorporation method was used with this aim, estimating the concentration of each antibiotic which caused an inhibition of 50% in bacterial community growth (log IC50). For OTC, the mean log IC50 was 2.70, 2.81, 2.84 for each of the three incubation times, while the values were 2.05, 2.22 and 2.47 for CTC, meaning that the magnitude of OTC toxicity was similar over time, whereas it decreased significantly for CTC with incubation time. In addition, results showed that the toxicity on bacterial community growth due to CTC is significantly higher than when due to OTC. Moreover, the toxicity on bacterial community growth due to both antibiotics is dependent on soil properties. Specifically, an increase in soil pH and silt content resulted in higher toxicity of both antibiotics, while increases in total organic carbon and clay contents caused decreases in OTC and CTC toxicities. The results also show that OTC toxicity can be well predicted by means of specific equations, using the values of pH measured in KCl and those of effective cation exchange capacity as input variables. CTC toxicity may be predicted (but with low precision) using pH measured in KCl and total organic carbon. These equations may help to predict the negative effects caused by OTC and CTC on soil bacteria using easily measurable soil parameters
publishDate 2020
dc.date.none.fl_str_mv 2020
2020-01-01
2020
2020-01-01
dc.type.none.fl_str_mv journal article
http://purl.org/coar/resource_type/c_6501
VoR
http://purl.org/coar/version/c_970fb48d4fbd8a85
dc.type.openaire.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv http://hdl.handle.net/10347/23433
url http://hdl.handle.net/10347/23433
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.relation.none.fl_str_mv Ministerio de Economía y Competitividad http://dx.doi.org/10.13039/501100003329 Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016 CGL2015-67333-C2-1-R PROBLEMAS AMBIENTALES DERIVADOS DE LA PRESENCIA DE ANTIBIOTICOS DE USO VETERINARIO EN EL SUELO
dc.rights.none.fl_str_mv open access
http://purl.org/coar/access_right/c_abf2
http://creativecommons.org/licenses/by/4.0/
dc.rights.openaire.fl_str_mv info:eu-repo/semantics/openAccess
rights_invalid_str_mv open access
http://purl.org/coar/access_right/c_abf2
http://creativecommons.org/licenses/by/4.0/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.source.none.fl_str_mv reponame:Minerva. Repositorio Institucional de la Universidad de Santiago de Compostela
instname:Universidad de Santiago de Compostela (USC)
instname_str Universidad de Santiago de Compostela (USC)
reponame_str Minerva. Repositorio Institucional de la Universidad de Santiago de Compostela
collection Minerva. Repositorio Institucional de la Universidad de Santiago de Compostela
repository.name.fl_str_mv
repository.mail.fl_str_mv
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