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Vasconcellos HVGD, Silva KFB, Montenegro H, Miguel CB, Tizioto P, Agostinho F, Araújo MC, Ribas RM, Silva MVD, Soares SDC, Rodrigues Júnior V, Batistão DWDF, Oliveira CJF, Rodrigues WF. Staphylococcus aureus and Enterococcus faecium isolated from pigeon droppings (Columba livia) in the external environment close to hospitals. Rev Soc Bras Med Trop 2022; 55:e0353. [PMID: 36000617 PMCID: PMC9405951 DOI: 10.1590/0037-8682-0353-2021] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Accepted: 05/12/2022] [Indexed: 11/22/2022] Open
Abstract
Background: Domestic pigeons carry pathogens in their droppings, posing a potential public health problem. Methods: The phenotypic and genotypic antimicrobial resistances of Staphylococcus aureus and Enterococcus faecium in the feces of urban pigeons near hospitals with intensive care units were measured. Results: Twenty-nine samples showed Enterococcus growth, whereas one was positive for S. aureus. The S. aureus isolate was sensitive to the antibiotics tested via antibiogram, however resistance genes were identified. E. faecium isolates showed phenotypic resistance to gentamicin, erythromycin, and ciprofloxacin. Conclusions: Antimicrobial profiles harmful to health were demonstrated in bacterial pathogens isolated from the external environment of hospitals.
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Affiliation(s)
- Henrique Vieira Gartz de Vasconcellos
- Universidade Federal do Triângulo Mineiro, Instituto de Ciências Biológicas e Naturais, Laboratório de Imunologia e Bioinformática, Uberaba, MG, Brasil
| | - Kerollyn Fernandes Bernardes Silva
- Universidade Federal do Triângulo Mineiro, Instituto de Ciências Biológicas e Naturais, Laboratório de Imunologia e Bioinformática, Uberaba, MG, Brasil
| | | | - Camila Botelho Miguel
- Universidade Federal do Triângulo Mineiro, Instituto de Ciências Biológicas e Naturais, Laboratório de Imunologia e Bioinformática, Uberaba, MG, Brasil
| | | | - Ferdinando Agostinho
- Universidade Federal do Triângulo Mineiro, Instituto de Ciências Biológicas e Naturais, Laboratório de Imunologia e Bioinformática, Uberaba, MG, Brasil
| | - Marcelo Costa Araújo
- Universidade Federal do Triângulo Mineiro, Instituto de Ciências Biológicas e Naturais, Laboratório de Imunologia e Bioinformática, Uberaba, MG, Brasil
| | - Rosineide Marques Ribas
- Universidade Federal de Uberlândia, Instituto de Ciências Biomédicas, Laboratório de Microbiologia Molecular, Uberlândia, MG, Brasil
| | - Marcos Vinícius da Silva
- Universidade Federal do Triângulo Mineiro, Instituto de Ciências Biológicas e Naturais, Laboratório de Imunologia e Bioinformática, Uberaba, MG, Brasil
| | - Siomar de Castro Soares
- Universidade Federal do Triângulo Mineiro, Instituto de Ciências Biológicas e Naturais, Laboratório de Imunologia e Bioinformática, Uberaba, MG, Brasil
| | - Virmondes Rodrigues Júnior
- Universidade Federal do Triângulo Mineiro, Instituto de Ciências Biológicas e Naturais, Laboratório de Imunologia e Bioinformática, Uberaba, MG, Brasil
| | - Deivid William da Fonseca Batistão
- Universidade Federal de Uberlândia, Instituto de Ciências Biomédicas, Laboratório de Microbiologia Molecular, Uberlândia, MG, Brasil.,Universidade Federal de Uberlândia, Escola de Medicina, Uberlândia, MG, Brasil
| | - Carlo José Freire Oliveira
- Universidade Federal do Triângulo Mineiro, Instituto de Ciências Biológicas e Naturais, Laboratório de Imunologia e Bioinformática, Uberaba, MG, Brasil
| | - Wellington Francisco Rodrigues
- Universidade Federal do Triângulo Mineiro, Instituto de Ciências Biológicas e Naturais, Laboratório de Imunologia e Bioinformática, Uberaba, MG, Brasil
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Carvalho-Estrada PDA, Fernandes J, da Silva ÉB, Tizioto P, Paziani SDF, Duarte AP, Coutinho LL, Verdi MCQ, Nussio LG. Effects of hybrid, kernel maturity, and storage period on the bacterial community in high-moisture and rehydrated corn grain silages. Syst Appl Microbiol 2020; 43:126131. [DOI: 10.1016/j.syapm.2020.126131] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Revised: 05/28/2020] [Accepted: 07/29/2020] [Indexed: 12/22/2022]
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3
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Silva Júnior CD, Martins CCS, Dias FTF, Sitanaka NY, Ferracioli LB, Moraes JE, Pizzolante CC, Budiño FEL, Pereira R, Tizioto P, Paula VRC, Coutinho LL, Ruiz US. The use of an alternative feed additive, containing benzoic acid, thymol, eugenol, and piperine, improved growth performance, nutrient and energy digestibility, and gut health in weaned piglets. J Anim Sci 2020; 98:skaa119. [PMID: 32280983 PMCID: PMC7229883 DOI: 10.1093/jas/skaa119] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Accepted: 04/09/2020] [Indexed: 02/01/2023] Open
Abstract
This research evaluated a feed additive (benzoic acid, eugenol, thymol, and piperine), associated or not with colistin, in weaned piglets feeding. The parameters evaluated were growth performance, apparent total tract digestibility (ATTD) of nutrients, diarrhea incidence, intestinal morphology, relative weights of digestive organs, microbial diversity, and the percentages of operational taxonomic units of microorganisms in the cecum content of pigs. One-hundred and eight crossbred piglets (5.3 ± 0.5 kg) were used in a three-phase feeding program (21 to 35, 36 to 50, 51 to 65 d of age) and fed a control diet with no inclusion of growth promoter feed additive, a diet with 40 ppm of colistin, a diet with 0.3% of alternative additive, and a diet with 0.3% of alternative additive and 40 ppm of colistin. The diets were based on corn, soybean meal, dairy products, and spray-dried blood plasma and formulated to provide 3.40, 3.38, and 3.20 Mcal of ME/kg and 14.5, 13.3, and 10.9 g/kg of digestible lysine, in phases 1, 2, and 3, respectively. The piglets were housed three per pen, with nine replicates per diet, in a complete randomized block design based on initial BW. The data were submitted to ANOVA and means were separated by Tukey test (5%), using SAS. Pigs fed diets with the alternative feed additive had greater (P < 0.05) ADG (114.3 vs. 91.8 g) and ADFI (190.1 vs. 163.3 g) in phase 1 than pigs fed diets without the product. The alternative additive improved (P < 0.05) ATTD of crude protein (CP) in phase 1 (71.0% vs. 68.6%), gross energy in phases 1 (77.4% vs. 75.2%) and 3 (79.0% vs. 77.1%), and dry matter in phase 3 (79.1% vs. 77.1%). The antibiotic inclusion in the diets increased (P < 0.05) ATTD of CP in phase 1 (71.5% vs. 68.2%). The alternative feed additive tended (P = 0.06) to increase (46%) normal feces frequency, decreased (P < 0.05) goblet cells count (104.3 vs. 118.1) in the jejunum, and decreased (P < 0.05) small intestine (4.60% vs. 4.93%) and colon (1.41% vs. 1.65%) relative weights, compared with pigs not fed with the alternative additive. There was a tendency (P = 0.09) for a lower concentration of Escherichia-Shigella (1.46% vs. 3.5%) and lower (P < 0.05) percentage of Campylobacter (0.52% vs. 10.21%) in the cecum content of piglets fed diets containing essential oils and benzoic acid compared with pigs fed diets without the alternative feed additive. The alternative feed additive was effective in improving growth performance, diets digestibility, and gut health in piglets soon after weaning.
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Affiliation(s)
- Cláudio D Silva Júnior
- Faculty of Agricultural and Technological Sciences, São Paulo State University, Dracena, SP, Brazil
| | | | | | | | | | - José E Moraes
- Institute of Animal Science and Pastures, Nova Odessa, SP, Brazil
| | | | - Fábio E L Budiño
- Institute of Animal Science and Pastures, Nova Odessa, SP, Brazil
| | - Rafaela Pereira
- Department of Animal Science, Luiz de Queiroz College of Agriculture, University of São Paulo, Piracicaba, SP, Brazil
| | - Polyana Tizioto
- Department of Animal Science, Luiz de Queiroz College of Agriculture, University of São Paulo, Piracicaba, SP, Brazil
- NGS Soluções Genômicas, Piracicaba, SP, Brazil
| | - Vinicius R C Paula
- Department of Animal Science, Luiz de Queiroz College of Agriculture, University of São Paulo, Piracicaba, SP, Brazil
| | - Luiz L Coutinho
- Department of Animal Science, Luiz de Queiroz College of Agriculture, University of São Paulo, Piracicaba, SP, Brazil
| | - Urbano S Ruiz
- Department of Animal Science, Luiz de Queiroz College of Agriculture, University of São Paulo, Piracicaba, SP, Brazil
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Carvalho KF, Machado TS, Garcia BM, Zangirolamo AF, Macabelli CH, Sugiyama FHC, Grejo MP, Augusto Neto JD, Tostes K, Ribeiro FKS, Sarapião FD, Pandey AK, Nociti RP, Tizioto P, Coutinho LL, Meirelles FV, Guimarães FEG, Pernas L, Seneda MM, Chiaratti MR. Mitofusin 1 is required for oocyte growth and communication with follicular somatic cells. FASEB J 2020; 34:7644-7660. [PMID: 32281181 DOI: 10.1096/fj.201901761r] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2019] [Revised: 03/03/2020] [Accepted: 03/24/2020] [Indexed: 12/25/2022]
Abstract
Mitochondrial function, largely regulated by the dynamics of this organelle, is inextricably linked to the oocyte health. In comparison with most somatic cells, mitochondria in oocytes are smaller and rounder in appearance, suggesting limited fusion. The functional implications of this distinct morphology, and how changes in the mitochondrial shape translate to mitochondrial function in oogenesis is little understood. We, therefore, asked whether the pro-fusion proteins mitofusins 1 (MFN1) and 2 (MFN2) are required for the oocyte development. Here we show that oocyte-specific deletion of Mfn1, but not Mfn2, prevents the oocyte growth and ovulation due to a block in folliculogenesis. We pinpoint the loss of oocyte growth and ovulation to impaired PI3K-Akt signaling and disrupted oocyte-somatic cell communication. In support, the double loss of Mfn1 and Mfn2 partially rescues the impaired PI3K-Akt signaling and defects in oocyte development secondary to the single loss of Mfn1. Together, this work demonstrates that the mitochondrial function influences the cellular signaling during the oocyte development, and highlights the importance of distinct, nonredundant roles of MFN1 and MFN2 in oogenesis.
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Affiliation(s)
- Karen F Carvalho
- Departamento de Genética e Evolução, Universidade Federal de São Carlos, São Carlos, Brazil
| | - Thiago S Machado
- Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, São Paulo, Brazil
| | - Bruna M Garcia
- Departamento de Genética e Evolução, Universidade Federal de São Carlos, São Carlos, Brazil
| | - Amanda F Zangirolamo
- National Institute of Science and Technology for Dairy Production Chain (INCT-LEITE), Universidade Estadual de Londrina, Londrina, Brazil
| | - Carolina H Macabelli
- Departamento de Genética e Evolução, Universidade Federal de São Carlos, São Carlos, Brazil
| | - Fabrícia H C Sugiyama
- Departamento de Genética e Evolução, Universidade Federal de São Carlos, São Carlos, Brazil
| | - Mateus P Grejo
- Departamento de Genética e Evolução, Universidade Federal de São Carlos, São Carlos, Brazil
| | - J Djaci Augusto Neto
- Departamento de Genética e Evolução, Universidade Federal de São Carlos, São Carlos, Brazil
| | - Katiane Tostes
- Departamento de Genética e Evolução, Universidade Federal de São Carlos, São Carlos, Brazil
| | - Fernanda K S Ribeiro
- Departamento de Genética e Evolução, Universidade Federal de São Carlos, São Carlos, Brazil
| | - Fabiana D Sarapião
- National Institute of Science and Technology for Dairy Production Chain (INCT-LEITE), Universidade Estadual de Londrina, Londrina, Brazil
| | - Anand K Pandey
- Departamento de Genética e Evolução, Universidade Federal de São Carlos, São Carlos, Brazil.,College of Veterinary Science, Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, India
| | - Ricardo P Nociti
- Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo, Pirassununga, Brazil
| | | | - Luiz Lehman Coutinho
- Escola Superior de Agricultura Luiz de Queiroz, Universidade de São Paulo, Piracicaba, Brazil
| | - Flávio V Meirelles
- Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, São Paulo, Brazil.,Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo, Pirassununga, Brazil
| | | | - Lena Pernas
- Max Planck Institute for Biology of Ageing, Cologne, Germany
| | - Marcelo M Seneda
- National Institute of Science and Technology for Dairy Production Chain (INCT-LEITE), Universidade Estadual de Londrina, Londrina, Brazil
| | - Marcos R Chiaratti
- Departamento de Genética e Evolução, Universidade Federal de São Carlos, São Carlos, Brazil.,Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, São Paulo, Brazil
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Júnior CS, Silva CC, Falleiros FT, Pereira R, Tizioto P, Paula V, Coutinho LL, Budiño F, Ruiz US. PSVI-10 Essential oils and benzoic acid, associated or not with antibiotic, in diets for weaned piglets on cecum microbiota composition. J Anim Sci 2019. [DOI: 10.1093/jas/skz122.361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
This study evaluated the effects of an alternative feed additive (benzoic acid and the essential oils of eugenol, thymus and piperine), associated or not with colistin, in weaned piglets feeding on α and β bacterial diversity, and on the percentages of operational taxonomic unit of Lactobacillus, Bifidobacterium, Clostridium, Escherichia, and Campylobacter in the cecum content of pigs. One hundred and eight crossbred piglets (5.3 ± 0.5kg) were housed 3 per pen and fed the following diets: a control diet (CON) with no addition of growth promoter feed additive; CON + 40 ppm of colistin; CON + 0.3% of essential oils and benzoic acid; and CON + 0.3% of essential oils and benzoic acid, and 40 ppm of colistin. The diets were based on corn, soybean meal, dairy products, and spray-dried blood plasma, and were formulated to provide 3.40 Mcal of ME/kg; 220 g of CP/kg; and 14.5 g of digestible lysine/kg. The animals were sanitary challenged, by spraying 2 L of diluted pig manure (60 % of manure to 40 % of water) at each nursery pen two days before the beginning of the trial. At the 14th day of the trial, 9 animals per diet were euthanized, and the cecum content was collected for microbial DNA extraction and sequencing. The data was submitted to ANOVA using the PROC MIXED of SAS. The α and β bacterial diversity, and the percentages of Lactobacillus, Bifidobacterium and Clostridium in the cecum of pigs were not affected (P > 0.05) by the experimental diets. There was a tendency (P = 0.09) for a lower concentration of Escherichia (3.5 vs. 1.46%) and lower percentage of Campylobacter (10.21 vs. 0.52%) in the cecum content of piglets fed diets containing essential oils and benzoic acid compared to pigs fed diets without the alternative feed additive. Inclusion of benzoic acid and essential oils in piglets feeding was effective in controlling intestinal pathogenic bacteria.
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