Influence of Silver Nanoparticle-Based Coating on Calcareous Rock Surfaces on Microbial Biofilm Colonization in Intertidal Environments in Campeche, Mexico
Por:
Camacho-Chab J.C., Ortega-Morales, Benjamin O., Gaylarde, Christine, Pereañez-Sacarías J.E., Leon-Tejera, Hilda P., Tun-Che, Rodrigo E., Alvarez-Zapata, Radames J., Almeyda-Cen, I, Augusto, Talavera-Pech, William, Illescas-Salinas, Juan F.
Publicada:
1 may 2021
Resumen:
The influence of silver nanoparticles (AgNPs) on microbial biofilm
colonization on natural calcareous rocks was studied in the Campeche
marine intertidal environment in southeast Mexico. The biofilm formation
was assessed by color spectrophotometer measurements represented in the
CIELAB color space, digital image analysis, confocal laser scanning
microscopy, biochemical biomarkers, and enumeration of morphologically
characterized cells by FlowCAM (R). Coupons were exposed with or without
polydimethylsiloxane (PDMS) coatings and without or with various
concentrations of AgNPs. Initial colonizers on all surfaces were diatoms
of the species Coscinodiscus centralis. After 60 days' exposure to the
marine environment, other genera of microalgae and cyanobacteria were
observed. Biofilm formation was reduced on all coated coupons to a
greater or lesser extent than bare rock, indicating that these
nanomaterials' presence altered biofilms' formation on calcareous rock
negatively on microbial communities' essentials for ecosystem health.
Filiaciones:
Camacho-Chab J.C.:
Departamento de Microbiología Ambiental y Biotecnología, Universidad Autónoma de Campeche, Av. Agustín Melgar s/n, Col. Buenavista, C. P, Campeche, 24039, Mexico
Ortega-Morales, Benjamin O.:
Departamento de Microbiología Ambiental y Biotecnología, Universidad Autónoma de Campeche, Av. Agustín Melgar s/n, Col. Buenavista, C. P, Campeche, 24039, Mexico
Almeyda-Cen, Augusto, I, Univ Autonoma Campeche, Dept Microbiol Ambiental & Biotecnol, Av Agustin Melgar S-N, Campeche City 24039, Campeche, Mexico
Gaylarde, Christine:
Dept. Microbiology and Plant Pathology, University of Oklahoma, Norman, OK, United States
Univ Oklahoma, Dept Microbiol & Plant Pathol, Norman, OK USA
Pereañez-Sacarías J.E.:
Departamento de Microbiología Ambiental y Biotecnología, Universidad Autónoma de Campeche, Av. Agustín Melgar s/n, Col. Buenavista, C. P, Campeche, 24039, Mexico
Leon-Tejera, Hilda P.:
Departamento de Biología Comparada, Facultad de Ciencias, Universidad Nacional Autónoma de México (UNAM), Coyoacán, C. P, Ciudad de México, 04510, Mexico
Univ Nacl Autonoma Mexico, Fac Ciencias, Dept Biol Comparada, Ciudad De Mexico 04510, Mexico
Tun-Che, Rodrigo E.:
Departamento de Microbiología Ambiental y Biotecnología, Universidad Autónoma de Campeche, Av. Agustín Melgar s/n, Col. Buenavista, C. P, Campeche, 24039, Mexico
Almeyda-Cen, Augusto, I, Univ Autonoma Campeche, Dept Microbiol Ambiental & Biotecnol, Av Agustin Melgar S-N, Campeche City 24039, Campeche, Mexico
Alvarez-Zapata, Radames J.:
Departamento de Microbiología Ambiental y Biotecnología, Universidad Autónoma de Campeche, Av. Agustín Melgar s/n, Col. Buenavista, C. P, Campeche, 24039, Mexico
Almeyda-Cen, Augusto, I, Univ Autonoma Campeche, Dept Microbiol Ambiental & Biotecnol, Av Agustin Melgar S-N, Campeche City 24039, Campeche, Mexico
Almeyda-Cen, I, Augusto:
Departamento de Microbiología Ambiental y Biotecnología, Universidad Autónoma de Campeche, Av. Agustín Melgar s/n, Col. Buenavista, C. P, Campeche, 24039, Mexico
Talavera-Pech, William:
Centro de Investigaciones en Corrosión, Universidad Autónoma de Campeche, Av. Heroes de Nacozari 480, C.P, Campeche, 24079, Mexico
Univ Autonoma Campeche, Ctr Invest Corros, Av Heroes Nacozari 480, Campeche City 24079, Campeche, Mexico
Illescas-Salinas, Juan F.:
Centro de Investigaciones en Corrosión, Universidad Autónoma de Campeche, Av. Heroes de Nacozari 480, C.P, Campeche, 24079, Mexico
Univ Autonoma Campeche, Ctr Invest Corros, Av Heroes Nacozari 480, Campeche City 24079, Campeche, Mexico
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