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Iglesias NG, Gebhard LG, Carballeda JM, Aiello I, Recalde E, Terny G, Ambrosolio S, L’Arco G, Konfino J, Brardinelli JI. SARS-CoV-2 surveillance in untreated wastewater: detection of viral RNA in a low-resource community in Buenos Aires, Argentina. Rev Panam Salud Publica 2021; 45:e137. [PMID: 34703463 PMCID: PMC8530007 DOI: 10.26633/rpsp.2021.137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Accepted: 06/21/2021] [Indexed: 11/24/2022] Open
Abstract
OBJECTIVE To measure SARS-CoV-2 RNA in sewage in a low-resource community in order to determine if it can be considered as an estimator of changes in the prevalence of COVID-19 in the population. METHODS In this descriptive observational study we collected samples of surface waters contaminated with sewage and optimized a method of purification of viral RNA using PEG concentration. We determined the amount of genetic material by quantitative real-time PCR using the CDC method for SARS-CoV-2 detection. RESULTS We quantified viral RNA in surface waters contaminated with sewage of a low resource community and determined that temporal trends of SARS-CoV-2 in wastewater samples mirrored trends in COVID-19 active cases. CONCLUSIONS Measuring of SARS-CoV-2 RNA in sewage can be applied in low-resource communities without connection to sewers as an estimator of changes in the prevalence of COVID-19.
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Affiliation(s)
- Néstor Gabriel Iglesias
- Universidad Nacional de QuilmesBuenos AiresArgentinaUniversidad Nacional de Quilmes, Buenos Aires, Argentina.
- Consejo Nacional de Investigaciones Científicas y Técnicas de Argentina (CONICET)Buenos AiresArgentinaConsejo Nacional de Investigaciones Científicas y Técnicas de Argentina (CONICET) Buenos Aires, Argentina.
- Organismo Provincial para el Desarrollo SostenibleBuenos AiresArgentinaOrganismo Provincial para el Desarrollo Sostenible, Buenos Aires, Argentina.
| | - Leopoldo Germán Gebhard
- Universidad Nacional de QuilmesBuenos AiresArgentinaUniversidad Nacional de Quilmes, Buenos Aires, Argentina.
- Consejo Nacional de Investigaciones Científicas y Técnicas de Argentina (CONICET)Buenos AiresArgentinaConsejo Nacional de Investigaciones Científicas y Técnicas de Argentina (CONICET) Buenos Aires, Argentina.
| | - Juan Manuel Carballeda
- Universidad Nacional de QuilmesBuenos AiresArgentinaUniversidad Nacional de Quilmes, Buenos Aires, Argentina.
- Consejo Nacional de Investigaciones Científicas y Técnicas de Argentina (CONICET)Buenos AiresArgentinaConsejo Nacional de Investigaciones Científicas y Técnicas de Argentina (CONICET) Buenos Aires, Argentina.
| | - Ignacio Aiello
- Universidad Nacional de QuilmesBuenos AiresArgentinaUniversidad Nacional de Quilmes, Buenos Aires, Argentina.
- Consejo Nacional de Investigaciones Científicas y Técnicas de Argentina (CONICET)Buenos AiresArgentinaConsejo Nacional de Investigaciones Científicas y Técnicas de Argentina (CONICET) Buenos Aires, Argentina.
| | - Emiliano Recalde
- Organismo Provincial de Integración Social y UrbanaBuenos AiresArgentinaOrganismo Provincial de Integración Social y Urbana, Buenos Aires, Argentina.
| | - Gabriel Terny
- Organismo Provincial de Integración Social y UrbanaBuenos AiresArgentinaOrganismo Provincial de Integración Social y Urbana, Buenos Aires, Argentina.
| | - Silvina Ambrosolio
- Organismo Provincial para el Desarrollo SostenibleBuenos AiresArgentinaOrganismo Provincial para el Desarrollo Sostenible, Buenos Aires, Argentina.
| | - Gabriela L’Arco
- Municipalidad de Quilmes, Buenos AiresBuenos AiresArgentinaMunicipalidad de Quilmes, Buenos Aires, Argentina.
| | - Jonatan Konfino
- Municipalidad de Quilmes, Buenos AiresBuenos AiresArgentinaMunicipalidad de Quilmes, Buenos Aires, Argentina.
| | - Juan Ignacio Brardinelli
- Organismo Provincial para el Desarrollo SostenibleBuenos AiresArgentinaOrganismo Provincial para el Desarrollo Sostenible, Buenos Aires, Argentina.
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Iglesias NG, Gebhard LG, Carballeda JM, Aiello I, Recalde E, Terny G, Ambrosolio S, L'Arco G, Konfino J, Brardinelli JI. SARS-CoV-2 surveillance in untreated wastewater: detection of viral RNA in a low-resource community in Buenos Aires, Argentina. Rev Panam Salud Publica 2021; 45:e137. [PMID: 34703463 DOI: 10.1101/2020.10.21.20215434] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [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: 03/01/2021] [Accepted: 06/21/2021] [Indexed: 05/21/2023] Open
Abstract
OBJECTIVE To measure SARS-CoV-2 RNA in sewage in a low-resource community in order to determine if it can be considered as an estimator of changes in the prevalence of COVID-19 in the population. METHODS In this descriptive observational study we collected samples of surface waters contaminated with sewage and optimized a method of purification of viral RNA using PEG concentration. We determined the amount of genetic material by quantitative real-time PCR using the CDC method for SARS-CoV-2 detection. RESULTS We quantified viral RNA in surface waters contaminated with sewage of a low resource community and determined that temporal trends of SARS-CoV-2 in wastewater samples mirrored trends in COVID-19 active cases. CONCLUSIONS Measuring of SARS-CoV-2 RNA in sewage can be applied in low-resource communities without connection to sewers as an estimator of changes in the prevalence of COVID-19.
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Affiliation(s)
- Néstor Gabriel Iglesias
- Universidad Nacional de Quilmes Buenos Aires Argentina Universidad Nacional de Quilmes, Buenos Aires, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas de Argentina (CONICET) Buenos Aires Argentina Consejo Nacional de Investigaciones Científicas y Técnicas de Argentina (CONICET) Buenos Aires, Argentina
- Organismo Provincial para el Desarrollo Sostenible Buenos Aires Argentina Organismo Provincial para el Desarrollo Sostenible, Buenos Aires, Argentina
| | - Leopoldo Germán Gebhard
- Universidad Nacional de Quilmes Buenos Aires Argentina Universidad Nacional de Quilmes, Buenos Aires, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas de Argentina (CONICET) Buenos Aires Argentina Consejo Nacional de Investigaciones Científicas y Técnicas de Argentina (CONICET) Buenos Aires, Argentina
| | - Juan Manuel Carballeda
- Universidad Nacional de Quilmes Buenos Aires Argentina Universidad Nacional de Quilmes, Buenos Aires, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas de Argentina (CONICET) Buenos Aires Argentina Consejo Nacional de Investigaciones Científicas y Técnicas de Argentina (CONICET) Buenos Aires, Argentina
| | - Ignacio Aiello
- Universidad Nacional de Quilmes Buenos Aires Argentina Universidad Nacional de Quilmes, Buenos Aires, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas de Argentina (CONICET) Buenos Aires Argentina Consejo Nacional de Investigaciones Científicas y Técnicas de Argentina (CONICET) Buenos Aires, Argentina
| | - Emiliano Recalde
- Organismo Provincial de Integración Social y Urbana Buenos Aires Argentina Organismo Provincial de Integración Social y Urbana, Buenos Aires, Argentina
| | - Gabriel Terny
- Organismo Provincial de Integración Social y Urbana Buenos Aires Argentina Organismo Provincial de Integración Social y Urbana, Buenos Aires, Argentina
| | - Silvina Ambrosolio
- Organismo Provincial para el Desarrollo Sostenible Buenos Aires Argentina Organismo Provincial para el Desarrollo Sostenible, Buenos Aires, Argentina
| | - Gabriela L'Arco
- Municipalidad de Quilmes, Buenos Aires Buenos Aires Argentina Municipalidad de Quilmes, Buenos Aires, Argentina
| | - Jonatan Konfino
- Municipalidad de Quilmes, Buenos Aires Buenos Aires Argentina Municipalidad de Quilmes, Buenos Aires, Argentina
| | - Juan Ignacio Brardinelli
- Organismo Provincial para el Desarrollo Sostenible Buenos Aires Argentina Organismo Provincial para el Desarrollo Sostenible, Buenos Aires, Argentina
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Chimeno Zoth S, Carballeda JM, Gravisaco MJ, Lucero MS, Richetta M, Gómez E, Berinstein A. Immunomodulatory effect of baculovirus in chickens: How it modifies the immune response against infectious bursal disease virus. Antiviral Res 2016; 131:35-9. [PMID: 27063861 DOI: 10.1016/j.antiviral.2016.04.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [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: 03/06/2015] [Revised: 03/28/2016] [Accepted: 04/05/2016] [Indexed: 11/29/2022]
Abstract
Several reports have shown that baculoviruses (BVs) have strong adjuvant properties on the mammalian immune system. Recent studies of our group demonstrated the ability of BV to stimulate the innate immunity in chickens. In this investigation, we aimed to assess the potential antiviral effect of BV given both, before and after infectious bursal disease virus (IBDV). In the first case, specific pathogen free chickens were intravenously inoculated with 5 × 10(7) pfu of Autographa californica nuclear polyhedrosis virus and 3 h later were orally administered 2.5 × 10(5) egg infectious doses 50 of IBDV. In the second case, chickens received IBDV 3 h before BV inoculation. Five days later, chickens were bled and euthanized. RNA from the bursa was analyzed for cytokine production. Also, bursae were used for virus recovery, and processed for lymphocyte isolation. The results showed that the administration of BV 3 h after the inoculation with IBDV produced important changes in the effect that IBDV causes in the bursa. BV reduced the infiltration of T lymphocytes, decreased the expression pattern of IL-6 and IFN-γ and inhibited IBDV replication. The results herein presented demonstrate that this Lepidopteran virus shows antiviral activity in chickens under experimental conditions. Investigations under field conditions have to be done to probe this strategy as a valuable sanitary tool for the treatment and prevention of chicken diseases.
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Affiliation(s)
- Silvina Chimeno Zoth
- Instituto de Biotecnología, CICVyA, INTA, Castelar, Cc 25, B1712WAA, Buenos Aires, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Rivadavia, 1917, C1033AAJ, Ciudad de Buenos Aires, Argentina.
| | - Juan Manuel Carballeda
- Instituto de Biotecnología, CICVyA, INTA, Castelar, Cc 25, B1712WAA, Buenos Aires, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Rivadavia, 1917, C1033AAJ, Ciudad de Buenos Aires, Argentina
| | - María José Gravisaco
- Instituto de Biotecnología, CICVyA, INTA, Castelar, Cc 25, B1712WAA, Buenos Aires, Argentina
| | - María Soledad Lucero
- Instituto de Biotecnología, CICVyA, INTA, Castelar, Cc 25, B1712WAA, Buenos Aires, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Rivadavia, 1917, C1033AAJ, Ciudad de Buenos Aires, Argentina
| | - Matías Richetta
- Instituto de Biotecnología, CICVyA, INTA, Castelar, Cc 25, B1712WAA, Buenos Aires, Argentina; Agencia Nacional de Promoción Científica y Técnica (ANPCyT), Godoy Cruz, 2370, C1425FQD, Ciudad de Buenos Aires, Argentina
| | - Evangelina Gómez
- Instituto de Biotecnología, CICVyA, INTA, Castelar, Cc 25, B1712WAA, Buenos Aires, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Rivadavia, 1917, C1033AAJ, Ciudad de Buenos Aires, Argentina
| | - Analía Berinstein
- Instituto de Biotecnología, CICVyA, INTA, Castelar, Cc 25, B1712WAA, Buenos Aires, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Rivadavia, 1917, C1033AAJ, Ciudad de Buenos Aires, Argentina.
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Carballeda JM, Maroniche G, Lucero MS, Richetta M, Gómez E, Chimeno Zoth S, Berinstein A. Infectious Bursal Disease Virus non-structural protein VP5 is not a transmembrane protein. Virology 2015; 483:312-7. [DOI: 10.1016/j.virol.2015.05.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2015] [Revised: 01/28/2015] [Accepted: 05/01/2015] [Indexed: 10/23/2022]
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Carballeda JM, Zoth SC, Gómez E, Lucero MS, Gravisaco MJ, Berinstein A. Immune response elicited by the oral administration of an intermediate strain of IBDV in chickens. Braz J Microbiol 2015; 45:1521-5. [PMID: 25763062 PMCID: PMC4323331 DOI: 10.1590/s1517-83822014000400049] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2013] [Accepted: 03/14/2014] [Indexed: 11/22/2022] Open
Abstract
The immune response elicited by the oral inoculation of an intermediate strain of infectious bursal disease virus was studied in chickens. A strong over expression of IL-6, IL-8, IFNα and IFNγ was observed in bursa at 3 days post inoculation together with an increase in splenic NO2 release. An influx of T-lymphocytes was also detected.
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Affiliation(s)
- Juan Manuel Carballeda
- Instituto de Biotecnología Instituto Nacional de Tecnología Agropecuaria Buenos Aires Argentina Instituto de Biotecnología, Instituto Nacional de Tecnología Agropecuaria, Buenos Aires, Argentina. ; Consejo Nacional de Investigaciones Científicas y Técnicas Buenos Aires Argentina Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
| | - Silvina Chimeno Zoth
- Instituto de Biotecnología Instituto Nacional de Tecnología Agropecuaria Buenos Aires Argentina Instituto de Biotecnología, Instituto Nacional de Tecnología Agropecuaria, Buenos Aires, Argentina. ; Consejo Nacional de Investigaciones Científicas y Técnicas Buenos Aires Argentina Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
| | - Evangelina Gómez
- Instituto de Biotecnología Instituto Nacional de Tecnología Agropecuaria Buenos Aires Argentina Instituto de Biotecnología, Instituto Nacional de Tecnología Agropecuaria, Buenos Aires, Argentina. ; Consejo Nacional de Investigaciones Científicas y Técnicas Buenos Aires Argentina Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
| | - María Soledad Lucero
- Instituto de Biotecnología Instituto Nacional de Tecnología Agropecuaria Buenos Aires Argentina Instituto de Biotecnología, Instituto Nacional de Tecnología Agropecuaria, Buenos Aires, Argentina. ; Consejo Nacional de Investigaciones Científicas y Técnicas Buenos Aires Argentina Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
| | - María José Gravisaco
- Instituto de Biotecnología Instituto Nacional de Tecnología Agropecuaria Buenos Aires Argentina Instituto de Biotecnología, Instituto Nacional de Tecnología Agropecuaria, Buenos Aires, Argentina
| | - Analía Berinstein
- Instituto de Biotecnología Instituto Nacional de Tecnología Agropecuaria Buenos Aires Argentina Instituto de Biotecnología, Instituto Nacional de Tecnología Agropecuaria, Buenos Aires, Argentina. ; Consejo Nacional de Investigaciones Científicas y Técnicas Buenos Aires Argentina Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
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Gómez E, Lucero MS, Chimeno Zoth S, Carballeda JM, Gravisaco MJ, Berinstein A. Transient expression of VP2 in Nicotiana benthamiana and its use as a plant-based vaccine against infectious bursal disease virus. Vaccine 2013; 31:2623-7. [PMID: 23583894 DOI: 10.1016/j.vaccine.2013.03.064] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2012] [Revised: 03/06/2013] [Accepted: 03/28/2013] [Indexed: 01/28/2023]
Abstract
Infectious Bursal Disease Virus (IBDV) is the etiological agent of an immunosuppressive and highly contagious disease that affects young birds. This disease causes important economic losses in the poultry industry worldwide. The VP2 protein has been used for the development of subunit vaccines in a variety of heterologous platforms. In this context, the aim of this study was to investigate VP2 expression and immunogenicity using an experimental plant-based vaccine against IBDV. We determined that the agroinfiltration of N. benthamiana leaves allowed the production of VP2 with no apparent change on its conformational epitopes. Chickens intramuscularly immunized in a dose/boost scheme with crude concentrated extracts developed a specific humoral response with viral neutralizing ability. Given these results, it seems plausible for a plant-based vaccine to have a niche in the veterinary field. Thus, plants can be an adequate system of choice to produce immunogens against IBDV.
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Affiliation(s)
- Evangelina Gómez
- Instituto de Biotecnología, CICVyA, INTA, Castelar, Cc 25 B1712WAA, Buenos Aires, Argentina.
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Carballeda JM, Zoth SC, Gómez E, Gravisaco MJ, Berinstein A. Activation of the immune response against Infectious Bursal Disease Virus after intramuscular inoculation of an intermediate strain. Immunobiology 2011; 216:1028-33. [DOI: 10.1016/j.imbio.2011.03.003] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2010] [Revised: 02/23/2011] [Accepted: 03/05/2011] [Indexed: 10/18/2022]
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Zoth SC, Gómez E, Carballeda JM, Carrillo E, Berinstein A. Expression of a secreted version of the hemagglutinin-neuraminidase glycoprotein of Newcastle disease virus. J Vet Diagn Invest 2011; 23:519-23. [DOI: 10.1177/1040638711404153] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
Abstract
The hemagglutinin-neuraminidase (HN) glycoprotein of Newcastle disease virus (NDV) constitutes, together with the fusion glycoprotein, the main surface antigen of this avian pathogen, which causes a highly contagious disease, relevant economically worldwide. The purpose of this work was to obtain the HN glycoprotein as a soluble antigen in culture supernatants of recombinant baculovirus-infected Spodoptera frugiperda (Sf9) cells and to evaluate its application to the development of a recombinant enzyme-linked immunosorbent assay (rELISA) for the analysis of chicken sera. A transfer vector for baculovirus containing the sequence of a melittin signal peptide was constructed and the sequence coding for HN protein without its own signal peptide was cloned. The recombinant protein was secreted and recovered easily from the culture medium of Sf9-infected cells. The recombinant protein was evaluated as antigen for ELISA coating the plates with the recovered HN using 79 positive and 142 negative samples. The Cohen kappa value resulted 0.91, indicating excellent agreement between the rELISA and the hemagglutinin inhibition tests. The rELISA was also compared with a commercial ELISA, finding high levels of agreement between both assays. The present results show that the cloning strategy developed yielded the HN protein free in the cell culture supernatant and that the recombinant protein retained its reactivity with anti-NDV HN antibodies in chicken sera.
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Affiliation(s)
- Silvina Chimeno Zoth
- Instituto de Biotecnología, Centro de Investigación en Ciencias Veterinarias y Agronómicas, Instituto Nacional de Tecnologia Agropecuaria, Castelar, Buenos Aires, Argentina (Chimeno Zoth, Gómez, Carballeda, Carrillo, Berinstein)
- Consejo Nacional de Investigaciones Científicas y Tecnológicas, Ciudad de Buenos Aires, Argentina (Chimeno Zoth, Carballeda, Carrillo, Berinstein)
| | - Evangelina Gómez
- Instituto de Biotecnología, Centro de Investigación en Ciencias Veterinarias y Agronómicas, Instituto Nacional de Tecnologia Agropecuaria, Castelar, Buenos Aires, Argentina (Chimeno Zoth, Gómez, Carballeda, Carrillo, Berinstein)
- Consejo Nacional de Investigaciones Científicas y Tecnológicas, Ciudad de Buenos Aires, Argentina (Chimeno Zoth, Carballeda, Carrillo, Berinstein)
| | - Juan Manuel Carballeda
- Instituto de Biotecnología, Centro de Investigación en Ciencias Veterinarias y Agronómicas, Instituto Nacional de Tecnologia Agropecuaria, Castelar, Buenos Aires, Argentina (Chimeno Zoth, Gómez, Carballeda, Carrillo, Berinstein)
- Consejo Nacional de Investigaciones Científicas y Tecnológicas, Ciudad de Buenos Aires, Argentina (Chimeno Zoth, Carballeda, Carrillo, Berinstein)
| | - Elisa Carrillo
- Instituto de Biotecnología, Centro de Investigación en Ciencias Veterinarias y Agronómicas, Instituto Nacional de Tecnologia Agropecuaria, Castelar, Buenos Aires, Argentina (Chimeno Zoth, Gómez, Carballeda, Carrillo, Berinstein)
- Consejo Nacional de Investigaciones Científicas y Tecnológicas, Ciudad de Buenos Aires, Argentina (Chimeno Zoth, Carballeda, Carrillo, Berinstein)
| | - Analía Berinstein
- Instituto de Biotecnología, Centro de Investigación en Ciencias Veterinarias y Agronómicas, Instituto Nacional de Tecnologia Agropecuaria, Castelar, Buenos Aires, Argentina (Chimeno Zoth, Gómez, Carballeda, Carrillo, Berinstein)
- Consejo Nacional de Investigaciones Científicas y Tecnológicas, Ciudad de Buenos Aires, Argentina (Chimeno Zoth, Carballeda, Carrillo, Berinstein)
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