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Freitas RGBON, Vasques ACJ, da Rocha Fernandes G, Ribeiro FB, Solar I, Shivappa N, Hébert JR, de Almeida-Pititto B, Geloneze B, Ferreira SRG. Gut bacterial markers involved in association of dietary inflammatory index with visceral adiposity. Nutrition 2024; 122:112371. [PMID: 38430843 DOI: 10.1016/j.nut.2024.112371] [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] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2023] [Revised: 11/14/2023] [Accepted: 01/24/2024] [Indexed: 03/05/2024]
Abstract
OBJECTIVE To deepen the understanding of the influence of diet on weight gain and metabolic disturbances, we examined associations between diet-related inflammation and body composition and fecal bacteria abundances in participants of the Nutritionists' Health Study. METHODS Early-life, dietary and clinical data were obtained from 114 women aged ≤45 years. A validated food frequency questionnaire was used to calculate the energy-adjusted dietary inflammatory index (E-DII). Participants' data were compared by E-DII quartiles using ANOVA or Kruskal-Wallis. Associations of DXA-determined body composition with the E-DII were tested by multiple linear regression using DAG-oriented adjustments. Fecal microbiota was analyzed targeting the V4 region of the 16S rRNA gene. Spearman correlation coefficients were used to test linear associations; differential abundance of genera across the E-DII quartiles was assessed by pair-wise comparisons. RESULTS E-DII score was associated with total fat (b=1.80, p<0.001), FMI (b=0.08, p<0.001) and visceral fat (b=1.19, p=0.02), independently of maternal BMI, birth type and breastfeeding. E-DII score was directly correlated to HOMA-IR (r=0.30; p=0.004), C-reactive protein (r=0.29; p=0.003) and to the abundance of Actinomyces, and inversely correlated to the abundance of Eubacterium.xylanophilum.group. Actinomyces were significantly more abundant in the highest (most proinflammatory) E-DII quartile. CONCLUSIONS Association of E-DII with markers of insulin resistance, inflammation, body adiposity and certain gut bacteria are consistent with beneficial effects of anti-inflammatory diet on body composition and metabolic profile. Bacterial markers, such as Actinomyces, could be involved in the association between the dietary inflammation with visceral adiposity. Studies designed to explore how a pro-inflammatory diet affects both central fat deposition and gut microbiota are needed.
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Affiliation(s)
- Renata G B O N Freitas
- Department of Epidemiology, School of Public Health, University of São Paulo, Brazil; Laboratory of Investigation in Metabolism and Diabetes, School of Medical Sciences, University of Campinas, Brazil
| | - Ana Carolina J Vasques
- Laboratory of Investigation in Metabolism and Diabetes, School of Medical Sciences, University of Campinas, Brazil; School of Applied Sciences, University of Campinas, São Paulo, Brazil
| | | | - Francieli B Ribeiro
- Laboratory of Investigation in Metabolism and Diabetes, School of Medical Sciences, University of Campinas, Brazil; School of Applied Sciences, University of Campinas, São Paulo, Brazil
| | - Isabela Solar
- Laboratory of Investigation in Metabolism and Diabetes, School of Medical Sciences, University of Campinas, Brazil; School of Applied Sciences, University of Campinas, São Paulo, Brazil
| | - Nitin Shivappa
- Cancer Prevention and Control Program, Department of Epidemiology and Biostatistics, Arnold School of Public Health, University of South Carolina, Columbia, SC; Department of Nutrition, Connecting Health Innovations, Columbia, SC
| | - James R Hébert
- Cancer Prevention and Control Program, Department of Epidemiology and Biostatistics, Arnold School of Public Health, University of South Carolina, Columbia, SC; Department of Nutrition, Connecting Health Innovations, Columbia, SC
| | | | - Bruno Geloneze
- Laboratory of Investigation in Metabolism and Diabetes, School of Medical Sciences, University of Campinas, Brazil; Obesity and Comorbidities Research Center, University of Campinas, São Paulo, Brazil
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Campos GRF, Almeida NBF, Filgueiras PS, Corsini CA, Gomes SVC, de Miranda DAP, de Assis JV, Silva TBDS, Alves PA, Fernandes GDR, de Oliveira JG, Rahal P, Grenfell RFQ, Nogueira ML. Second booster dose improves antibody neutralization against BA.1, BA.5 and BQ.1.1 in individuals previously immunized with CoronaVac plus BNT162B2 booster protocol. Front Cell Infect Microbiol 2024; 14:1371695. [PMID: 38638823 PMCID: PMC11024236 DOI: 10.3389/fcimb.2024.1371695] [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] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Accepted: 03/14/2024] [Indexed: 04/20/2024] Open
Abstract
Introduction SARS-CoV-2 vaccines production and distribution enabled the return to normalcy worldwide, but it was not fast enough to avoid the emergence of variants capable of evading immune response induced by prior infections and vaccination. This study evaluated, against Omicron sublineages BA.1, BA.5 and BQ.1.1, the antibody response of a cohort vaccinated with a two doses CoronaVac protocol and followed by two heterologous booster doses. Methods To assess vaccination effectiveness, serum samples were collected from 160 individuals, in 3 different time points (9, 12 and 18 months after CoronaVac protocol). For each time point, individuals were divided into 3 subgroups, based on the number of additional doses received (No booster, 1 booster and 2 boosters), and a viral microneutralization assay was performed to evaluate neutralization titers and seroconvertion rate. Results The findings presented here show that, despite the first booster, at 9m time point, improved neutralization level against omicron ancestor BA.1 (133.1 to 663.3), this trend was significantly lower for BQ.1.1 and BA.5 (132.4 to 199.1, 63.2 to 100.2, respectively). However, at 18m time point, the administration of a second booster dose considerably improved the antibody neutralization, and this was observed not only against BA.1 (2361.5), but also against subvariants BQ.1.1 (726.1) and BA.5 (659.1). Additionally, our data showed that, after first booster, seroconvertion rate for BA.5 decayed over time (93.3% at 12m to 68.4% at 18m), but after the second booster, seroconvertion was completely recovered (95% at 18m). Discussion Our study reinforces the concerns about immunity evasion of the SARS-CoV-2 omicron subvariants, where BA.5 and BQ.1.1 were less neutralized by vaccine induced antibodies than BA.1. On the other hand, the administration of a second booster significantly enhanced antibody neutralization capacity against these subvariants. It is likely that, as new SARS-CoV-2 subvariants continue to emerge, additional immunizations will be needed over time.
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Affiliation(s)
- Guilherme R. F. Campos
- Laboratório de Pesquisas em Virologia (LPV), Faculdade de Medicina de São José do Rio Preto (FAMERP), São José do Rio Preto, Brazil
| | | | - Priscilla Soares Filgueiras
- Diagnosis and Therapy of Infectious Diseases and Cancer, Oswaldo Cruz Foundation (Fiocruz), Belo Horizonte, Brazil
| | - Camila Amormino Corsini
- Diagnosis and Therapy of Infectious Diseases and Cancer, Oswaldo Cruz Foundation (Fiocruz), Belo Horizonte, Brazil
| | - Sarah Vieira Contin Gomes
- Diagnosis and Therapy of Infectious Diseases and Cancer, Oswaldo Cruz Foundation (Fiocruz), Belo Horizonte, Brazil
| | - Daniel Alvim Pena de Miranda
- Diagnosis and Therapy of Infectious Diseases and Cancer, Oswaldo Cruz Foundation (Fiocruz), Belo Horizonte, Brazil
| | - Jéssica Vieira de Assis
- Diagnosis and Therapy of Infectious Diseases and Cancer, Oswaldo Cruz Foundation (Fiocruz), Belo Horizonte, Brazil
| | - Thaís Bárbara de Souza Silva
- Laboratório de Imunologia de Doenças Virais, Instituto Rene Rachou - Fundação Oswaldo Cruz, Belo Horizonte, Brazil
| | - Pedro Augusto Alves
- Laboratório de Imunologia de Doenças Virais, Instituto Rene Rachou - Fundação Oswaldo Cruz, Belo Horizonte, Brazil
| | - Gabriel da Rocha Fernandes
- Diagnosis and Therapy of Infectious Diseases and Cancer, Oswaldo Cruz Foundation (Fiocruz), Belo Horizonte, Brazil
| | | | - Paula Rahal
- Laboratório de Estudos Genômicos, Departamento de Biologia, Instituto de Biociências Letras e Ciências Exatas (IBILCE), Universidade Estadual Paulista (Unesp), São José do Rio Preto, Brazil
| | - Rafaella Fortini Queiroz Grenfell
- Diagnosis and Therapy of Infectious Diseases and Cancer, Oswaldo Cruz Foundation (Fiocruz), Belo Horizonte, Brazil
- Department of Infectious Diseases, College of Veterinary Medicine, University of Georgia, Athens, GA, United States
| | - Maurício L. Nogueira
- Laboratório de Pesquisas em Virologia (LPV), Faculdade de Medicina de São José do Rio Preto (FAMERP), São José do Rio Preto, Brazil
- Hospital de Base, São José do Rio Preto, Brazil
- Department of Pathology, University of Texas Medical Branch, Galveston, TX, United States
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Lorenzo MG, Fernandes GDR, Latorre-Estivalis JM. Local age-dependent neuromodulation in Rhodnius prolixus antennae. Arch Insect Biochem Physiol 2024; 115:e22106. [PMID: 38597092 DOI: 10.1002/arch.22106] [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] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2024] [Revised: 03/12/2024] [Accepted: 03/15/2024] [Indexed: 04/11/2024]
Abstract
Kissing bugs do not respond to host cues when recently molted and only exhibit robust host-seeking several days after ecdysis. Behavioral plasticity has peripheral correlates in antennal gene expression changes through the week after ecdysis. The mechanisms regulating these peripheral changes are still unknown, but neuropeptide, G-protein coupled receptor, nuclear receptor, and takeout genes likely modulate peripheral sensory physiology. We evaluated their expression in antennal transcriptomes along the first week postecdysis of Rhodnius prolixus 5th instar larvae. Besides, we performed clustering and co-expression analyses to reveal relationships between neuromodulatory (NM) and sensory genes. Significant changes in transcript abundance were detected for 50 NM genes. We identified 73 sensory-related and NM genes that were assigned to nine clusters. According to their expression patterns, clusters were classified into four groups: two including genes up or downregulated immediately after ecdysis; and two with genes with expression altered at day 2. Several NM genes together with sensory genes belong to the first group, suggesting functional interactions. Co-expression network analysis revealed a set of genes that seem to connect with sensory system maturation. Significant expression changes in NM components were described in the antennae of R. prolixus after ecdysis, suggesting that a local NM system acts on antennal physiology. These changes may modify the sensitivity of kissing bugs to host cues during this maturation interval.
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Affiliation(s)
- Marcelo Gustavo Lorenzo
- Instituto de Investigaciones en Biodiversidad y Biotecnología, CONICET, Mar del Plata, Buenos Aires, Argentina
- Vector Behaviour and Pathogen Interaction Group, Instituto René Rachou-FIOCRUZ, Belo Horizonte, Minas Gerais, Brazil
| | | | - Jose Manuel Latorre-Estivalis
- Laboratorio de Insectos Sociales, Instituto de Fisiología, Biología Molecular y Neurociencias, Universidad de Buenos Aires-CONICET, Buenos Aires, Argentina
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Corsini CA, Martins PFDS, Filgueiras PS, Lourenço AJ, Lima AEDS, Gomes SVC, Jeremias WDJ, Alves PA, Fernandes GDR, Castro LLME, de Carvalho AT, Azevedo ACC, Curimbaba CDAL, Lorencini DA, Junior EM, da Silva VM, Cervi MC, Borges MDC, Nogueira ML, Campos GRF, Correa PRL, Carvalho TML, dos Reis JGAC, Reis EVDS, Castilho LDR, de Lima PR, do Nascimento JPR, de Oliveira JG, Filho OAM, Grenfell RFQE. Immunogenicity and safety of inactivated SARS-CoV-2 vaccine (CoronaVac) using two-dose primary protocol in children and adolescents (Immunita-002, Brazil): A phase IV six-month follow up. Res Sq 2024:rs.3.rs-3931021. [PMID: 38464059 PMCID: PMC10925469 DOI: 10.21203/rs.3.rs-3931021/v1] [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] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/12/2024]
Abstract
Introduction Vaccines are essential for the prevention and control of several diseases, indeed, monitoring the immune response generated by vaccines is crucial. The immune response generated by vaccination against SARS-CoV-2 in children and adolescents is not well defined regarding to the intensity and medium to long-term duration of a protective immune response, which may point out the need of booster doses and might support the decisions in public health. Objective The study aims to evaluate the immunogenicity and safety of inactivated SARS-CoV-2 vaccine (CoronaVac) in a two-dose primary protocol in children and adolescent aging from 3 to 17 years old in Brazil. Methods Participants were invited to participate in the research at two public healthcare centers located in Serrana (São Paulo) and Belo Horizonte (Minas Gerais), Brazil. Participants underwent medical interviews to gather their medical history, including COVID-19 history and medical records. Physical exams were conducted, including weight, blood pressure, temperature, and pulse rate measurements. Blood samples were obtained from the participants before vaccination, 1 month after the first dose, and 1, 3, and 6 months after the second dose and were followed by a virtual platform for monitoring post-vaccination reactions and symptoms of COVID-19. SARS-CoV-2 genome from Swab samples of COVID-19 positive individuals were sequenced by NGS. Total antibodies were measured by ELISA and neutralizing antibodies to B.1 lineage and Omicron variant (BA.1) quantified by PRNT and VNT. The cellular immune response was evaluated by flow cytometry by the quantification of systemic soluble immune mediators. Results The follow-up of 640 participants showed that the CoronaVac vaccine (Sinovac/Butantan Institute) was able to significantly induce the production of total IgG antibodies to SARS-CoV-2 and the production of neutralizing antibodies to B.1 lineage and Omicron variant. In addition, a robust cellular immune response was observed with wide release of pro-inflammatory and regulatory mediators in the early post-immunization moments. Adverse events recorded so far have been mild and transient except for seven serious adverse events reported on VigiMed. Conclusions The results indicate a robust and sustained immune response induced by the CoronaVac vaccine in children and adolescents up to six months, providing evidences to support the safety and immunogenicity of this effective immunizer.
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Affiliation(s)
- Camila Amormino Corsini
- Oswaldo Cruz Foundation (FIOCRUZ). 1715 Augusto de Lima Avenue, Belo Horizonte, Minas Gerais, Brazil. 30190-002
| | | | - Priscilla Soares Filgueiras
- Oswaldo Cruz Foundation (FIOCRUZ). 1715 Augusto de Lima Avenue, Belo Horizonte, Minas Gerais, Brazil. 30190-002
| | - Adelina Júnia Lourenço
- Oswaldo Cruz Foundation (FIOCRUZ). 1715 Augusto de Lima Avenue, Belo Horizonte, Minas Gerais, Brazil. 30190-002
| | - Ana Esther de Souza Lima
- Oswaldo Cruz Foundation (FIOCRUZ). 1715 Augusto de Lima Avenue, Belo Horizonte, Minas Gerais, Brazil. 30190-002
| | - Sarah Vieira Contin Gomes
- Oswaldo Cruz Foundation (FIOCRUZ). 1715 Augusto de Lima Avenue, Belo Horizonte, Minas Gerais, Brazil. 30190-002
| | - Wander de Jesus Jeremias
- Oswaldo Cruz Foundation (FIOCRUZ). 1715 Augusto de Lima Avenue, Belo Horizonte, Minas Gerais, Brazil. 30190-002
- Department of Pharmacy, Federal University of Ouro Preto (UFOP). 27, Nove, Bauxita, Ouro Preto, Brazil. 35400-000
| | - Pedro Augusto Alves
- Oswaldo Cruz Foundation (FIOCRUZ). 1715 Augusto de Lima Avenue, Belo Horizonte, Minas Gerais, Brazil. 30190-002
| | - Gabriel da Rocha Fernandes
- Oswaldo Cruz Foundation (FIOCRUZ). 1715 Augusto de Lima Avenue, Belo Horizonte, Minas Gerais, Brazil. 30190-002
| | | | - Andrea Teixeira de Carvalho
- Oswaldo Cruz Foundation (FIOCRUZ). 1715 Augusto de Lima Avenue, Belo Horizonte, Minas Gerais, Brazil. 30190-002
| | - Ana Carolina Campi Azevedo
- Oswaldo Cruz Foundation (FIOCRUZ). 1715 Augusto de Lima Avenue, Belo Horizonte, Minas Gerais, Brazil. 30190-002
| | | | | | | | | | - Maria Célia Cervi
- Faculty of Medicine, University of São Paulo (USP). 455 Doutor Arnaldo Avenue, São Paulo, São Paulo, Brazil. 01246-903
| | - Marcos de Carvalho Borges
- Faculty of Medicine, University of São Paulo (USP). 455 Doutor Arnaldo Avenue, São Paulo, São Paulo, Brazil. 01246-903
- Serrana Clinical Research Center. 438, 13 de Maio, Centro, Serrana, São Paulo, Brazil. 14150-000
| | - Maurício Lacerda Nogueira
- Faculty of Medicine of São José do Rio Preto (FAMERP). 5416 Brigadeiro Faria Lima Avenue, São José do Rio Preto, São Paulo, Brazil. 15090-000
- Hospital de Base, 5544 Brigadeiro Faria Lima Avenue, São José do Rio Preto, São Paulo State, Brazil. 15090-000
- Department of Pathology, University of Texas Medical Branch, 301 University Blvd, Galveston, TX, USA. 77555
| | | | - Paulo Roberto Lopes Correa
- Belo Horizonte Municipal Health Department (SMS), 2336 Afonso Pena Avenue, Belo Horizonte, Brazil. 30130-012
| | | | | | - Erik Vinícius de Sousa Reis
- Federal University of Minas Gerais (UFMG). 6627 Presidente Antônio Carlos Avenue, Belo Horizonte, Minas Gerais, Brazil. 31270-901
| | - Leda dos Reis Castilho
- Cell Culture Engineering Laboratory (COPPE), Federal University of Rio de Janeiro (UFRJ). 550 Pedro Calmon Avenue, Rio de Janeiro, Rio de Janeiro, Brazil. 21941-598
| | | | | | | | - Olindo Assis Martins Filho
- Oswaldo Cruz Foundation (FIOCRUZ). 1715 Augusto de Lima Avenue, Belo Horizonte, Minas Gerais, Brazil. 30190-002
| | - Rafaella Fortini Queiroz e Grenfell
- Oswaldo Cruz Foundation (FIOCRUZ). 1715 Augusto de Lima Avenue, Belo Horizonte, Minas Gerais, Brazil. 30190-002
- Federal University of Minas Gerais (UFMG). 6627 Presidente Antônio Carlos Avenue, Belo Horizonte, Minas Gerais, Brazil. 31270-901
- Department of Infectious Diseases, College of Veterinary Medicine, University of Georgia (UGA). 501 DW Brooks Drive, Athens, Georgia, USA. 30602-7387
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Fonseca DC, Marques Gomes da Rocha I, Depieri Balmant B, Callado L, Aguiar Prudêncio AP, Tepedino Martins Alves J, Torrinhas RS, da Rocha Fernandes G, Linetzky Waitzberg D. Evaluation of gut microbiota predictive potential associated with phenotypic characteristics to identify multifactorial diseases. Gut Microbes 2024; 16:2297815. [PMID: 38235595 PMCID: PMC10798365 DOI: 10.1080/19490976.2023.2297815] [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] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/11/2023] [Accepted: 12/18/2023] [Indexed: 01/19/2024] Open
Abstract
Gut microbiota has been implicated in various clinical conditions, yet the substantial heterogeneity in gut microbiota research results necessitates a more sophisticated approach than merely identifying statistically different microbial taxa between healthy and unhealthy individuals. Our study seeks to not only select microbial taxa but also explore their synergy with phenotypic host variables to develop novel predictive models for specific clinical conditions. DESIGN We assessed 50 healthy and 152 unhealthy individuals for phenotypic variables (PV) and gut microbiota (GM) composition by 16S rRNA gene sequencing. The entire modeling process was conducted in the R environment using the Random Forest algorithm. Model performance was assessed through ROC curve construction. RESULTS We evaluated 52 bacterial taxa and pre-selected PV (p < 0.05) for their contribution to the final models. Across all diseases, the models achieved their best performance when GM and PV data were integrated. Notably, the integrated predictive models demonstrated exceptional performance for rheumatoid arthritis (AUC = 88.03%), type 2 diabetes (AUC = 96.96%), systemic lupus erythematosus (AUC = 98.4%), and type 1 diabetes (AUC = 86.19%). CONCLUSION Our findings underscore that the selection of bacterial taxa based solely on differences in relative abundance between groups is insufficient to serve as clinical markers. Machine learning techniques are essential for mitigating the considerable variability observed within gut microbiota. In our study, the use of microbial taxa alone exhibited limited predictive power for health outcomes, while the integration of phenotypic variables into predictive models substantially enhanced their predictive capabilities.
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Affiliation(s)
- Danielle Cristina Fonseca
- Laboratory of Nutrition and Metabolic Surgery of the Digestive System, LIM 35, Department of Gastroenterology, Hospital das Clínicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
- Department of Gastroenterology, Hospital das Clínicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
| | - Ilanna Marques Gomes da Rocha
- Laboratory of Nutrition and Metabolic Surgery of the Digestive System, LIM 35, Department of Gastroenterology, Hospital das Clínicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
- Department of Gastroenterology, Hospital das Clínicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
| | - Bianca Depieri Balmant
- Laboratory of Nutrition and Metabolic Surgery of the Digestive System, LIM 35, Department of Gastroenterology, Hospital das Clínicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
- Department of Gastroenterology, Hospital das Clínicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
| | - Leticia Callado
- Laboratory of Nutrition and Metabolic Surgery of the Digestive System, LIM 35, Department of Gastroenterology, Hospital das Clínicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
- Department of Gastroenterology, Hospital das Clínicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
| | - Ana Paula Aguiar Prudêncio
- Laboratory of Nutrition and Metabolic Surgery of the Digestive System, LIM 35, Department of Gastroenterology, Hospital das Clínicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
- Department of Gastroenterology, Hospital das Clínicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
| | - Juliana Tepedino Martins Alves
- Laboratory of Nutrition and Metabolic Surgery of the Digestive System, LIM 35, Department of Gastroenterology, Hospital das Clínicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
- Department of Gastroenterology, Hospital das Clínicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
| | - Raquel Susana Torrinhas
- Laboratory of Nutrition and Metabolic Surgery of the Digestive System, LIM 35, Department of Gastroenterology, Hospital das Clínicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
- Department of Gastroenterology, Hospital das Clínicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
| | - Gabriel da Rocha Fernandes
- Biosystems Informatics and Genomics Group, Instituto René Rachou - Fiocruz Minas, Belo Horizonte, Brazil
| | - Dan Linetzky Waitzberg
- Laboratory of Nutrition and Metabolic Surgery of the Digestive System, LIM 35, Department of Gastroenterology, Hospital das Clínicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
- Department of Gastroenterology, Hospital das Clínicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
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Oliveira SR, de Arruda JAA, Corrêa JD, Carvalho VF, Medeiros JD, Schneider AH, Machado CC, Duffles LF, Fernandes GDR, Calderaro DC, Júnior MT, Abreu LG, Fukada SY, Oliveira RDR, Louzada-Júnior P, Cunha FQ, Silva TA. Methotrexate and Non-Surgical Periodontal Treatment Change the Oral-Gut Microbiota in Rheumatoid Arthritis: A Prospective Cohort Study. Microorganisms 2023; 12:68. [PMID: 38257895 PMCID: PMC10820502 DOI: 10.3390/microorganisms12010068] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Revised: 12/24/2023] [Accepted: 12/26/2023] [Indexed: 01/24/2024] Open
Abstract
This study evaluated the changes in the composition of oral-gut microbiota in patients with rheumatoid arthritis (RA) caused by methotrexate (MTX) and non-surgical periodontal treatment (NSPT). Assessments were performed at baseline (T0), 6 months after MTX treatment (T1), and 45 days after NSPT (T2). The composition of the oral and gut microbiota was assessed by amplifying the V4 region of the 16S gene from subgingival plaques and stools. The results of the analysis of continuous variables were presented descriptively and non-parametric tests and Spearman's correlation were adopted. A total of 37 patients (27 with periodontitis) were evaluated at T0; 32 patients (24 with periodontitis) at T1; and 28 patients (17 with periodontitis) at T2. MTX tended to reduce the alpha diversity of the oral-gut microbiota, while NSPT appeared to increase the number of different species of oral microbiota. MTX and NSPT influenced beta diversity in the oral microbiota. The relative abundance of oral microbiota was directly influenced by periodontal status. MTX did not affect the periodontal condition but modified the correlations that varied from weak to moderate (p < 0.05) between clinical parameters and the microbiota. MTX and NSPT directly affected the composition and richness of the oral-gut microbiota. However, MTX did not influence periodontal parameters.
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Affiliation(s)
- Sicília Rezende Oliveira
- Department of Oral Surgery, Pathology and Clinical Dentistry, School of Dentistry, Federal University of Minas Gerais, Belo Horizonte 31270-901, MG, Brazil; (S.R.O.); (J.A.A.d.A.)
| | - José Alcides Almeida de Arruda
- Department of Oral Surgery, Pathology and Clinical Dentistry, School of Dentistry, Federal University of Minas Gerais, Belo Horizonte 31270-901, MG, Brazil; (S.R.O.); (J.A.A.d.A.)
| | - Jôice Dias Corrêa
- Department of Dentistry, Pontifical Catholic University, Belo Horizonte 30535-901, MG, Brazil;
| | - Valessa Florindo Carvalho
- Department of Oral and Maxillofacial Surgery and Periodontology, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto 14040-900, SP, Brazil; (V.F.C.); (M.T.J.)
| | - Julliane Dutra Medeiros
- Department of Biology, Federal University of Juiz de Fora, Juiz de Fora 36036-900, MG, Brazil;
| | - Ayda Henriques Schneider
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto 14040-900, SP, Brazil; (A.H.S.); (F.Q.C.)
| | - Caio Cavalcante Machado
- Division of Clinical Immunology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto 14040-900, SP, Brazil; (C.C.M.); (R.D.R.O.); (P.L.-J.)
| | - Letícia Fernanda Duffles
- Department of BioMolecular Sciences, School of Pharmaceutical Science, University of São Paulo, Ribeirão Preto 14040-900, SP, Brazil; (L.F.D.); (S.Y.F.)
| | | | - Débora Cerqueira Calderaro
- Department of Locomotor Apparatus, Faculty of Medicine, Federal University of Minas Gerais, Belo Horizonte 31270-901, MG, Brazil;
| | - Mario Taba Júnior
- Department of Oral and Maxillofacial Surgery and Periodontology, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto 14040-900, SP, Brazil; (V.F.C.); (M.T.J.)
| | - Lucas Guimarães Abreu
- Department of Child and Adolescent Oral Health, School of Dentistry, Federal University of Minas Gerais, Belo Horizonte 31270-901, MG, Brazil;
| | - Sandra Yasuyo Fukada
- Department of BioMolecular Sciences, School of Pharmaceutical Science, University of São Paulo, Ribeirão Preto 14040-900, SP, Brazil; (L.F.D.); (S.Y.F.)
| | - Renê Donizeti Ribeiro Oliveira
- Division of Clinical Immunology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto 14040-900, SP, Brazil; (C.C.M.); (R.D.R.O.); (P.L.-J.)
| | - Paulo Louzada-Júnior
- Division of Clinical Immunology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto 14040-900, SP, Brazil; (C.C.M.); (R.D.R.O.); (P.L.-J.)
| | - Fernando Queiroz Cunha
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto 14040-900, SP, Brazil; (A.H.S.); (F.Q.C.)
| | - Tarcília Aparecida Silva
- Department of Oral Surgery, Pathology and Clinical Dentistry, School of Dentistry, Federal University of Minas Gerais, Belo Horizonte 31270-901, MG, Brazil; (S.R.O.); (J.A.A.d.A.)
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Alves TC, Queiroz FR, de Melo Neto AB, da Rocha Fernandes G, Pais FSM, de Jesus Jeremias W, Babá EH, de Moraes Mourão M, Morais ER, Cabral FJ, do Amaral LR, Caldeira RL, Zech Coelho PM, de Souza Gomes M. Identification and characterization of microRNAs in Biomphalaria tenagophila and comparative analysis of their expression in Schistosoma mansoni-resistant and -susceptible snail populations. Gene 2023; 884:147742. [PMID: 37634882 DOI: 10.1016/j.gene.2023.147742] [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] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 08/22/2023] [Accepted: 08/24/2023] [Indexed: 08/29/2023]
Abstract
BACKGROUND Schistosomiasis is a neglected tropical disease caused by Schistosoma and affects over 240 million people worldwide. One of the most prominent causative agents is Schistosoma mansoni, which develops inside the intermediate host. Biomphalaria tenagophila is the second most important vector of schistosomiasis in Brazil and the Taim population is completely resistant to infection by S. mansoni. OBJECTIVE This study aims to identify and characterize B. tenagophila microRNAs (miRNAs) and evaluate their differential expression in S. mansoni-susceptible and -resistant populations of B. tenagophila. METHODS Two populations of B. tenagophila snails, susceptible and resistant to S. mansoni infection, were used to investigate the small RNA response of these snails after being infected with the parasite. Small RNA sequencing and quantitative real-time PCR were employed to identify and validate differentially expressed miRNAs. Bioinformatics analysis were performed to identify miRNA precursors and mature and evaluate their differential expression. FINDINGS The study predicted 173 mature miRNAs and 123 precursors. Among them were six Lophotrochozoa-specific miRNAs, three mollusk-specific miRNAs, and six pre-miRNAs in a cluster. The small RNA sequencing and RT-PCR of B. tenagophila samples allowed assessing the expression patterns of miRNAs. MAIN CONCLUSIONS The results obtained may support future studies in Biomphalaria spp., generating a global impact on disease control.
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Affiliation(s)
- Tamires Caixeta Alves
- Bioinformatics and Molecular Analysis Laboratory, Federal University of Uberlândia, Patos de Minas, MG, Brazil
| | - Fábio Ribeiro Queiroz
- René Rachou Institute, Oswaldo Cruz Foundation, Belo Horizonte, Minas Gerais, Brazil
| | - Angelo Borges de Melo Neto
- Bioinformatics and Molecular Analysis Laboratory, Federal University of Uberlândia, Patos de Minas, MG, Brazil
| | | | | | | | - Elio Hideo Babá
- René Rachou Institute, Oswaldo Cruz Foundation, Belo Horizonte, Minas Gerais, Brazil
| | | | - Enyara Rezende Morais
- Bioinformatics and Molecular Analysis Laboratory, Federal University of Uberlândia, Patos de Minas, MG, Brazil
| | | | | | - Roberta Lima Caldeira
- René Rachou Institute, Oswaldo Cruz Foundation, Belo Horizonte, Minas Gerais, Brazil
| | | | - Matheus de Souza Gomes
- Bioinformatics and Molecular Analysis Laboratory, Federal University of Uberlândia, Patos de Minas, MG, Brazil.
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Cassiano LMG, Oliveira MDS, de Queiroz KB, Amancio AMTDS, Salim ACDM, Fernandes GDR, Carneiro CM, Coimbra RS. Uncovering the neuroprotective effect of vitamin B12 in pneumococcal meningitis: insights into its pleiotropic mode of action at the transcriptional level. Front Immunol 2023; 14:1250055. [PMID: 37854591 PMCID: PMC10579599 DOI: 10.3389/fimmu.2023.1250055] [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] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Accepted: 09/22/2023] [Indexed: 10/20/2023] Open
Abstract
Background The interplay between bacterial virulence factors and the host innate immune response in pneumococcal meningitis (PM) can result in uncontrolled neuroinflammation, which is known to induce apoptotic death of progenitor cells and post-mitotic neurons in the hippocampal dentate gyrus, resulting in cognitive impairment. Vitamin B12 attenuates hippocampal damage and reduces the expression of some key inflammatory genes in PM, by acting as an epidrug that promotes DNA methylation, with increased production of S-adenosyl-methionine, the universal donor of methyl. Material and methods Eleven-day-old rats were infected with S. pneumoniae via intracisternal injection and then administered either vitamin B12 or a placebo. After 24 hours of infection, the animals were euthanized, and apoptosis in the hippocampal dentate gyrus, microglia activation, and the inflammatory infiltrate were quantified in one brain hemisphere. The other hemisphere was used for RNA-Seq and RT-qPCR analysis. Results In this study, adjuvant therapy with B12 was found to modulate the hippocampal transcriptional signature induced by PM in infant rats, mitigating the effects of the disease in canonical pathways related to the recognition of pathogens by immune cells, signaling via NF-kB, production of pro-inflammatory cytokines, migration of peripheral leukocytes into the central nervous system, and production of reactive species. Phenotypic analysis revealed that B12 effectively inhibited microglia activation in the hippocampus and reduced the inflammatory infiltrate in the central nervous system of the infected animals. These pleiotropic transcriptional effects of B12 that lead to neuroprotection are partly regulated by alterations in histone methylation markings. No adverse effects of B12 were predicted or observed, reinforcing the well-established safety profile of this epidrug. Conclusion B12 effectively mitigates the impact of PM on pivotal neuroinflammatory pathways. This leads to reduced microglia activation and inflammatory infiltrate within the central nervous system, resulting in the attenuation of hippocampal damage. The anti-inflammatory and neuroprotective effects of B12 involve the modulation of histone markings in hippocampal neural cells.
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Affiliation(s)
- Larissa Marcely Gomes Cassiano
- Neurogenômica, Imunopatologia, Instituto René Rachou (IRR), Fiocruz, Belo Horizonte, MG, Brazil
- Departamento de Bioquímica e Imunologia, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | | | | | | | - Anna Christina de Matos Salim
- Plataforma Tecnológica de Sequenciamento NGS (Next Generation Sequencing), Instituto René Rachou (IRR), Fiocruz, Belo Horizonte, MG, Brazil
| | - Gabriel da Rocha Fernandes
- Plataforma Tecnológica de Bioinformática, Instituto René Rachou (IRR), Fiocruz, Belo Horizonte, MG, Brazil
| | - Cláudia Martins Carneiro
- Laboratório de Imunopatologia, Núcleo de Pesquisas em Ciências Biológicas, Universidade Federal de Ouro Preto, Ouro Preto, MG, Brazil
| | - Roney Santos Coimbra
- Neurogenômica, Imunopatologia, Instituto René Rachou (IRR), Fiocruz, Belo Horizonte, MG, Brazil
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Rios DL, da Silva PCL, Moura CSS, Villanoeva CNBC, da Rocha Fernandes G, Bengoa AA, Garrote GL, Abraham AG, Nicoli JR, Neumann E, Nunes ÁC. Comparative metatranscriptome analysis of Brazilian milk and water kefir beverages. Int Microbiol 2023:10.1007/s10123-023-00431-4. [PMID: 37759067 DOI: 10.1007/s10123-023-00431-4] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 09/06/2023] [Accepted: 09/16/2023] [Indexed: 09/29/2023]
Abstract
The present study compared bacterial and fungal diversity of kefir beverages produced using milk (MK) or sugared water (WK) as propagation matrices and grains from the cities of Curitiba (CU) or Salvador (SA), Brazil, by sequencing the complete set of RNA transcripts produced in four products. In Brazil, milk and sugared water are used as matrices to propagate kefir grains. In all beverages, the bacterial community was composed of Lactobacillaceae and Acetobacteraceae. Saccharomycetaceae was the yeast family more abundant in WK, and Dipodascaceae and Pichiaceae in MK. Regarding KEGG mapping of functional orthologs, the four kefir samples shared 70% of KO entries of yeast genes but only 36% of bacterial genes. Concerning main metabolic processes, the relative abundance of transcripts associated with metabolism (energy metabolism) and environmental information processing (membrane transport) had the highest water/milk kefir ratio observed in Firmicutes. In contrast, transcripts associated with genetic information processing (protein translation, folding, sorting, and degradation) oppositely had the lowest water/milk ratios. Concluding, milk and water kefir have quite different communities of microorganisms. Still, the main mapped functional processes are similar, with only quantitative variation in membrane transport and energy acquisition in the water kefir and protein synthesis and turnover in the milk kefir.
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Affiliation(s)
- Diego Lisboa Rios
- Departamento de Genética, Ecologia e Evolução, Instituto de Ciências Biológicas (ICB), Universidade Federal de Minas Gerais (UFMG), Campus Pampulha, Belo Horizonte, MG, 31270-901, Brazil
- EBTT - Informática, Instituto Federal do Amazonas (IFAM), São Gabriel da Cachoeira, Brazil
| | - Patrícia Costa Lima da Silva
- Departamento de Genética, Ecologia e Evolução, Instituto de Ciências Biológicas (ICB), Universidade Federal de Minas Gerais (UFMG), Campus Pampulha, Belo Horizonte, MG, 31270-901, Brazil
| | - César Silva Santana Moura
- Departamento de Genética, Ecologia e Evolução, Instituto de Ciências Biológicas (ICB), Universidade Federal de Minas Gerais (UFMG), Campus Pampulha, Belo Horizonte, MG, 31270-901, Brazil
| | | | | | - Ana Agustina Bengoa
- Centro de Investigación y Desarrollo em Criotecnologia de Alimentos (CIDCA), Facultad de Ciencias Exactas, Universidad Nacional de La Plata, La Plata, Argentina
| | - Graciela Liliana Garrote
- Centro de Investigación y Desarrollo em Criotecnologia de Alimentos (CIDCA), Facultad de Ciencias Exactas, Universidad Nacional de La Plata, La Plata, Argentina
| | - Analía Graciela Abraham
- Centro de Investigación y Desarrollo em Criotecnologia de Alimentos (CIDCA), Facultad de Ciencias Exactas, Universidad Nacional de La Plata, La Plata, Argentina
| | - Jacques Robert Nicoli
- Departamento de Microbiologia, Instituto de Ciências Biológicas (ICB), Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Elisabeth Neumann
- Departamento de Microbiologia, Instituto de Ciências Biológicas (ICB), Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Álvaro Cantini Nunes
- Departamento de Genética, Ecologia e Evolução, Instituto de Ciências Biológicas (ICB), Universidade Federal de Minas Gerais (UFMG), Campus Pampulha, Belo Horizonte, MG, 31270-901, Brazil.
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10
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Franco-Luiz APM, Fernandes NMGS, Silva TBDS, Bernardes WPDOS, Westin MR, Santos TG, Fernandes GDR, Simões TC, Silva EFE, Gava SG, Alves BM, de Carvalho Melo M, da Silva-Pereira RA, Alves PA, Fonseca CT. Longitudinal study of humoral immunity against SARS-CoV-2 of health professionals in Brazil: the impact of booster dose and reinfection on antibody dynamics. Front Immunol 2023; 14:1220600. [PMID: 37520570 PMCID: PMC10376701 DOI: 10.3389/fimmu.2023.1220600] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Accepted: 06/26/2023] [Indexed: 08/01/2023] Open
Abstract
Introduction The pandemic caused by SARS-CoV-2 has had a major impact on health systems. Vaccines have been shown to be effective in improving the clinical outcome of COVID-19, but they are not able to fully prevent infection and reinfection, especially that caused by new variants. Methods Here, we tracked for 450 days the humoral immune response and reinfection in 52 healthcare workers from Brazil. Infection and reinfection were confirmed by RT-qPCR, while IgM and IgG antibody levels were monitored by rapid test. Results Of the 52 participants, 19 (36%) got reinfected during the follow-up period, all presenting mild symptoms. For all participants, IgM levels dropped sharply, with over 47% of them becoming seronegative by the 60th day. For IgG, 90% of the participants became seropositive within the first 30 days of follow-up. IgG antibodies also dropped after this period reaching the lowest level on day 270 (68.5 ± 72.3, p<0.0001). Booster dose and reinfection increased the levels of both antibodies, with the interaction between them resulting in an increase in IgG levels of 130.3 arbitrary units. Conclusions Overall, our data indicate that acquired humoral immunity declines over time and suggests that IgM and IgG antibody levels are not associated with the prevention of reinfection.
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Affiliation(s)
- Ana Paula Moreira Franco-Luiz
- Grupo de Pesquisa em Biologia e Imunologia de Doenças Infecciosas e Parasitárias, Instituto René Rachou, Fundação Oswaldo Cruz, Belo Horizonte, Minas Gerais, Brazil
| | - Nubia Monteiro Gonçalves Soares Fernandes
- Grupo de Pesquisa em Biologia e Imunologia de Doenças Infecciosas e Parasitárias, Instituto René Rachou, Fundação Oswaldo Cruz, Belo Horizonte, Minas Gerais, Brazil
| | - Thais Bárbara de Souza Silva
- Grupo de Imunologia de Doenças Virais, Instituto René Rachou, Fundação Oswaldo Cruz, Belo Horizonte, Minas Gerais, Brazil
| | | | - Mateus Rodrigues Westin
- Faculdade de Medicina, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Thais Garcia Santos
- Grupo de Pesquisa em Biologia e Imunologia de Doenças Infecciosas e Parasitárias, Instituto René Rachou, Fundação Oswaldo Cruz, Belo Horizonte, Minas Gerais, Brazil
| | - Gabriel da Rocha Fernandes
- Grupo de Pesquisa em Informática de Biossistemas, Instituto René Rachou, Fundação Oswaldo Cruz, Belo Horizonte, Minas Gerais, Brazil
| | - Taynãna César Simões
- Núcleo de Estudos em Saúde Pública e Envelhecimento, Instituto René Rachou, Fundação Oswaldo Cruz, Belo Horizonte, Minas Gerais, Brazil
| | - Eduardo Fernandes E. Silva
- Serviço de capacitação em métodos quantitativos -SAMeQ, Instituto René Rachou, Fundação Oswaldo Cruz, Belo Horizonte, Minas Gerais, Brazil
| | - Sandra Grossi Gava
- Grupo de Pesquisa em Helmintologia e Malacologia Médica, Instituto René Rachou, Fundação Oswaldo Cruz, Belo Horizonte, Minas Gerais, Brazil
| | - Breno Magalhães Alves
- Centro de Vigilância em Saúde e Segurança do Paciente, Hospital Metropolitano Doutor Célio de Castro, Belo Horizonte, Minas Gerais, Brazil
| | - Mariana de Carvalho Melo
- Serviço Especializado em Segurança e Medicina do Trabalho, Hospital Metropolitano Doutor Célio de Castro, Belo Horizonte, Minas Gerais, Brazil
| | - Rosiane A. da Silva-Pereira
- Grupo de Pesquisa em Biologia e Imunologia de Doenças Infecciosas e Parasitárias, Instituto René Rachou, Fundação Oswaldo Cruz, Belo Horizonte, Minas Gerais, Brazil
| | - Pedro Augusto Alves
- Grupo de Imunologia de Doenças Virais, Instituto René Rachou, Fundação Oswaldo Cruz, Belo Horizonte, Minas Gerais, Brazil
| | - Cristina Toscano Fonseca
- Grupo de Pesquisa em Biologia e Imunologia de Doenças Infecciosas e Parasitárias, Instituto René Rachou, Fundação Oswaldo Cruz, Belo Horizonte, Minas Gerais, Brazil
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Oliveira MDS, Cassiano LMG, Pioline J, de Carvalho KRA, Salim ACDM, Alves PA, Fernandes GDR, Machado ADMV, Coimbra RS. Organotypic hippocampal culture model reveals differential responses to highly similar Zika virus isolates. J Neuroinflammation 2023; 20:140. [PMID: 37301965 DOI: 10.1186/s12974-023-02826-6] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Accepted: 06/05/2023] [Indexed: 06/12/2023] Open
Abstract
INTRODUCTION Zika virus (ZIKV) caused an outbreak in Brazil, in 2015, being associated to microcephaly. ZIKV has a strong neurotropism leading to death of infected cells in different brain regions, including the hippocampus, a major site for neurogenesis. The neuronal populations of the brain are affected differently by ZIKV from Asian and African ancestral lineages. However, it remains to be investigated whether subtle variations in the ZIKV genome can impact hippocampus infection dynamics and host response. OBJECTIVE This study evaluated how two Brazilian ZIKV isolates, PE243 and SPH2015, that differ in two specific missense amino acid substitutions, one in the NS1 protein and the other in the NS4A protein, affect the hippocampal phenotype and transcriptome. METHODS Organotypic hippocampal cultures (OHC) from infant Wistar rats were infected with PE243 or SPH2015 and analyzed in time series using immunofluorescence, confocal microscopy, RNA-Seq and RT-qPCR. RESULTS Unique patterns of infection and changes in neuronal density in the OHC were observed for PE243 and SPH2015 between 8 and 48 h post infection (p.i.). Phenotypic analysis of microglia indicated that SPH2015 has a greater capacity for immune evasion. Transcriptome analysis of OHC at 16 h p.i. disclosed 32 and 113 differentially expressed genes (DEGs) in response to infection with PE243 and SPH2015, respectively. Functional enrichment analysis suggested that infection with SPH2015 activates mostly astrocytes rather than microglia. PE243 downregulated biological process of proliferation of brain cells and upregulated those associated with neuron death, while SPH2015 downregulated processes related to neuronal development. Both isolates downregulated cognitive and behavioral development processes. Ten genes were similarly regulated by both isolates. They are putative biomarkers of early hippocampus response to ZIKV infection. At 5, 7, and 10 days p.i., neuronal density of infected OHC remained below controls, and mature neurons of infected OHC showed an increase in the epigenetic mark H3K4me3, which is associated to a transcriptionally active state. This feature is more prominent in response to SPH2015. CONCLUSION Subtle genetic diversity of the ZIKV affects the dynamics of viral dissemination in the hippocampus and host response in the early stages of infection, which may lead to different long-term effects in neuronal population.
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Affiliation(s)
| | - Larissa Marcely Gomes Cassiano
- Neurogenômica, Imunopatologia, Instituto René Rachou, Fiocruz, Belo Horizonte, MG, Brazil
- Departamento de Bioquímica e Imunologia, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - Jeanne Pioline
- Neurogenômica, Imunopatologia, Instituto René Rachou, Fiocruz, Belo Horizonte, MG, Brazil
- Aix-Marseille University, Marseille, France
| | | | - Anna Christina de Matos Salim
- Plataforma de Sequenciamento NGS (Next Generation Sequencing), Instituto René Rachou, Fiocruz, Belo Horizonte, MG, Brazil
| | - Pedro Augusto Alves
- Imunologia de Doenças Virais, Instituto René Rachou, Fiocruz, Belo Horizonte, MG, Brazil
| | | | | | - Roney Santos Coimbra
- Neurogenômica, Imunopatologia, Instituto René Rachou, Fiocruz, Belo Horizonte, MG, Brazil.
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Filgueiras PS, Corsini CA, Almeida NBF, Pedrosa MLC, Miranda DAPD, Gomes SVC, Assis JVD, Silva RA, Medeiros MIVDARCD, Lourenço AJ, Bicalho CMF, Vilela RVR, Jeremias WDJ, Fernandes GDR, Queiroz RFGE. Rapid antigen test as a tool for the identification of SARS-CoV-2 infection and its potential as a self-testing device. Rev Soc Bras Med Trop 2023; 56:e01672022. [PMID: 37222349 DOI: 10.1590/0037-8682-0167-2022] [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] [Received: 05/13/2022] [Accepted: 03/01/2023] [Indexed: 05/25/2023] Open
Abstract
BACKGROUND SARS-CoV-2 virus originated in Wuhan (China) in December (2019) and quickly spread worldwide. Antigen tests are rapid diagnostic tests (RDT) that produce results in 15-30 min and are an important tool for the scale-up of COVID-19 testing. COVID-19 diagnostic tests are authorized for self-testing at home in some countries, including Brazil. Widespread COVID-19 diagnostic testing is required to guide public health policies and control the speed of transmission and economic recovery. METHODS Patients with suspected COVID-19 were recruited at the Hospital da Baleia (Belo Horizonte, Brazil). The SARS-CoV-2 antigen-detecting rapid diagnostic tests were evaluated from June 2020 to June 2021 using saliva, nasal, and nasopharyngeal swab samples from 609 patients. Patient samples were simultaneously tested using a molecular assay (RT-qPCR). Sensitivity, specificity, accuracy, and positive and negative predictive values were determined using the statistical program, MedCalc, and GraphPad Prism 8.0. RESULTS The antigen-detecting rapid diagnostic tests displayed 98% specificity, 60% sensitivity, 96% positive predictive value, and moderate concordance with RT-qPCR. Substantial agreement was found between the two methods for patients tested < 7 days of symptom onset. CONCLUSIONS Our findings support the use of Ag-RDT as a valuable and safe diagnostic method. Ag-RDT was also demonstrated to be an important triage tool for suspected COVID-19 patients in emergencies. Overall, Ag-RDT is an effective strategy for reducing the spread of SARS-CoV-2 and contributing to COVID-19 control.
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Affiliation(s)
- Priscilla Soares Filgueiras
- Fundação Oswaldo Cruz, Instituto René Rachou, Diagnóstico e Terapia de Doenças Infecciosas e Câncer, Belo Horizonte, MG, Brasil
- Universidade Federal de Minas Gerais, Instituto de Ciências Biológicas, Programa de Pós-Graduação em Patologia, Belo Horizonte, MG, Brasil
| | - Camila Amormino Corsini
- Fundação Oswaldo Cruz, Instituto René Rachou, Diagnóstico e Terapia de Doenças Infecciosas e Câncer, Belo Horizonte, MG, Brasil
| | - Nathalie Bonatti Franco Almeida
- Fundação Oswaldo Cruz, Instituto René Rachou, Diagnóstico e Terapia de Doenças Infecciosas e Câncer, Belo Horizonte, MG, Brasil
- Universidade da Geórgia, Faculdade de Medicina Veterinária, Departamento de Doenças Infecciosas, Athens, GA, Estados Unidos da América
| | - Maria Luysa Camargos Pedrosa
- Fundação Oswaldo Cruz, Instituto René Rachou, Diagnóstico e Terapia de Doenças Infecciosas e Câncer, Belo Horizonte, MG, Brasil
| | - Daniel Alvim Pena de Miranda
- Fundação Oswaldo Cruz, Instituto René Rachou, Diagnóstico e Terapia de Doenças Infecciosas e Câncer, Belo Horizonte, MG, Brasil
| | - Sarah Vieira Contin Gomes
- Fundação Oswaldo Cruz, Instituto René Rachou, Diagnóstico e Terapia de Doenças Infecciosas e Câncer, Belo Horizonte, MG, Brasil
| | - Jéssica Vieira de Assis
- Fundação Oswaldo Cruz, Instituto René Rachou, Diagnóstico e Terapia de Doenças Infecciosas e Câncer, Belo Horizonte, MG, Brasil
- Universidade Federal de Minas Gerais, Instituto de Ciências Biológicas, Programa de Pós-Graduação em Patologia, Belo Horizonte, MG, Brasil
| | | | | | | | | | | | - Wander de Jesus Jeremias
- Fundação Oswaldo Cruz, Instituto René Rachou, Diagnóstico e Terapia de Doenças Infecciosas e Câncer, Belo Horizonte, MG, Brasil
- Universidade Federal de Ouro Preto, Departamento de Farmácia, Ouro Preto, MG, Brasil
| | | | - Rafaella Fortini Grenfell E Queiroz
- Fundação Oswaldo Cruz, Instituto René Rachou, Diagnóstico e Terapia de Doenças Infecciosas e Câncer, Belo Horizonte, MG, Brasil
- Universidade Federal de Minas Gerais, Instituto de Ciências Biológicas, Programa de Pós-Graduação em Patologia, Belo Horizonte, MG, Brasil
- Universidade da Geórgia, Faculdade de Medicina Veterinária, Departamento de Doenças Infecciosas, Athens, GA, Estados Unidos da América
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Santos ACC, Borges LDF, Rocha NDC, de Carvalho Azevedo VA, Bonetti AM, Dos Santos AR, da Rocha Fernandes G, Dantas RCC, Ueira-Vieira C. Bacteria, yeasts, and fungi associated with larval food of Brazilian native stingless bees. Sci Rep 2023; 13:5147. [PMID: 36991089 PMCID: PMC10060228 DOI: 10.1038/s41598-023-32298-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Accepted: 03/25/2023] [Indexed: 03/31/2023] Open
Abstract
Stingless bees are a diverse group with a relevant role in pollinating native species. Its diet is rich in carbohydrates and proteins, by collecting pollen and nectar supplies the development of its offspring. Fermentation of these products is associated with microorganisms in the colony. However, the composition of microorganisms that comprise this microbiome and its fundamental role in colony development is still unclear. To characterize the colonizing microorganisms of larval food in the brood cells of stingless bees Frieseomelitta varia, Melipona quadrifasciata, Melipona scutellaris, and Tetragonisca angustula, we have utilized molecular and culture-based techniques. Bacteria of the phyla Firmicutes, Proteobacteria, Actinobacteria, and fungi of the phyla Ascomycota, Basidiomycota, Mucoromycota, and Mortierellomycota were found. Diversity analysis showed that F. varia had a greater diversity of bacteria in its microbiota, and T. angustula had a greater diversity of fungi. The isolation technique allowed the identification of 189 bacteria and 75 fungi. In summary, this research showed bacteria and fungi associated with the species F. varia, M. quadrifasciata, M. scutellaris, and T. angustula, which may play an essential role in the survival of these organisms. Besides that, a biobank with bacteria and fungus isolates from LF of Brazilian stingless bees was created, which can be used for different studies and the prospection of biotechnology compounds.
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Affiliation(s)
- Ana Carolina Costa Santos
- Laboratory of Genetics, Institute of Biotechnology, Federal University of Uberlândia, Uberlândia, Brazil.
| | | | - Nina Dias Coelho Rocha
- Laboratory of Molecular and Cellular Genetics, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Vasco Ariston de Carvalho Azevedo
- Laboratory of Molecular and Cellular Genetics, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Ana Maria Bonetti
- Laboratory of Genetics, Institute of Biotechnology, Federal University of Uberlândia, Uberlândia, Brazil
| | | | | | | | - Carlos Ueira-Vieira
- Laboratory of Genetics, Institute of Biotechnology, Federal University of Uberlândia, Uberlândia, Brazil.
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Nevoa JC, Latorre-Estivalis JM, Pais FSM, Marliére NP, Fernandes GDR, Lorenzo MG, Guarneri AA. Global characterization of gene expression in the brain of starved immature Rhodnius prolixus. PLoS One 2023; 18:e0282490. [PMID: 36867641 PMCID: PMC9983911 DOI: 10.1371/journal.pone.0282490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Accepted: 02/15/2023] [Indexed: 03/04/2023] Open
Abstract
BACKGROUND Rhodnius prolixus is a vector of Chagas disease and has become a model organism to study physiology, behavior, and pathogen interaction. The publication of its genome allowed initiating a process of comparative characterization of the gene expression profiles of diverse organs exposed to varying conditions. Brain processes control the expression of behavior and, as such, mediate immediate adjustment to a changing environment, allowing organisms to maximize their chances to survive and reproduce. The expression of fundamental behavioral processes like feeding requires fine control in triatomines because they obtain their blood meals from potential predators. Therefore, the characterization of gene expression profiles of key components modulating behavior in brain processes, like those of neuropeptide precursors and their receptors, seems fundamental. Here we study global gene expression profiles in the brain of starved R. prolixus fifth instar nymphs by means of RNA sequencing (RNA-Seq). RESULTS The expression of neuromodulatory genes such as those of precursors of neuropeptides, neurohormones, and their receptors; as well as the enzymes involved in the biosynthesis and processing of neuropeptides and biogenic amines were fully characterized. Other important gene targets such as neurotransmitter receptors, nuclear receptors, clock genes, sensory receptors, and takeouts genes were identified and their gene expression analyzed. CONCLUSION We propose that the set of neuromodulatory-related genes highly expressed in the brain of starved R. prolixus nymphs deserves functional characterization to allow the subsequent development of tools targeting them for bug control. As the brain is a complex structure that presents functionally specialized areas, future studies should focus on characterizing gene expression profiles in target areas, e.g. mushroom bodies, to complement our current knowledge.
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Affiliation(s)
- Jessica Coraiola Nevoa
- Vector Behaviour and Pathogen Interaction Group, Instituto René Rachou – FIOCRUZ, Belo Horizonte, Minas Gerais, Brazil
| | - Jose Manuel Latorre-Estivalis
- Laboratorio de Insectos Sociales, Instituto de Fisiología, Biología Molecular y Neurociencias, Universidad de Buenos Aires - CONICET, Buenos Aires, Argentina
| | | | - Newmar Pinto Marliére
- Vector Behaviour and Pathogen Interaction Group, Instituto René Rachou – FIOCRUZ, Belo Horizonte, Minas Gerais, Brazil
| | | | - Marcelo Gustavo Lorenzo
- Vector Behaviour and Pathogen Interaction Group, Instituto René Rachou – FIOCRUZ, Belo Horizonte, Minas Gerais, Brazil
| | - Alessandra Aparecida Guarneri
- Vector Behaviour and Pathogen Interaction Group, Instituto René Rachou – FIOCRUZ, Belo Horizonte, Minas Gerais, Brazil
- * E-mail:
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15
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Vivolo SRF, Fernandes GDR. Are studies of human gut microbiome the new fad following the SNP mainstream? Archives of Endocrinology and Metabolism 2022; 66:929-930. [PMID: 36394486 PMCID: PMC10118771 DOI: 10.20945/2359-3997000000568] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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16
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Silva TDS, Salvato RS, Gregianini TS, Gomes IA, Pereira EC, de Oliveira E, de Menezes AL, Barcellos RB, Godinho FM, Riediger I, Debur MDC, de Oliveira CM, Ribeiro-Rodrigues R, Miyajima F, Dias FS, Abbud A, do Monte-Neto R, Calzavara-Silva CE, Siqueira MM, Wallau GL, Resende PC, Fernandes GDR, Alves P. Molecular characterization of a new SARS-CoV-2 recombinant cluster XAG identified in Brazil. Front Med (Lausanne) 2022; 9:1008600. [PMID: 36250091 PMCID: PMC9554242 DOI: 10.3389/fmed.2022.1008600] [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] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Accepted: 09/02/2022] [Indexed: 11/13/2022] Open
Abstract
Recombination events have been described in the Coronaviridae family. Since the beginning of the SARS-CoV-2 pandemic, a variable degree of selection pressure has acted upon the virus, generating new strains with increased fitness in terms of viral transmission and antibody scape. Most of the SC2 variants of concern (VOC) detected so far carry a combination of key amino acid changes and indels. Recombination may also reshuffle existing genetic profiles of distinct strains, potentially giving origin to recombinant strains with altered phenotypes. However, co-infection and recombination events are challenging to detect and require in-depth curation of assembled genomes and sequencing reds. Here, we present the molecular characterization of a new SARS-CoV-2 recombinant between BA.1.1 and BA.2.23 Omicron lineages identified in Brazil. We characterized four mutations that had not been previously described in any of the recombinants already identified worldwide and described the likely breaking points. Moreover, through phylogenetic analysis, we showed that the newly named XAG lineage groups in a highly supported monophyletic clade confirmed its common evolutionary history from parental Omicron lineages and other recombinants already described. These observations were only possible thanks to the joint effort of bioinformatics tools auxiliary in genomic surveillance and the manual curation of experienced personnel, demonstrating the importance of genetic, and bioinformatic knowledge in genomics.
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Affiliation(s)
| | | | | | | | | | - Eneida de Oliveira
- Laboratório Municipal de Referência, Setor de Biologia Molecular, Belo Horizonte, Brazil
| | - André Luiz de Menezes
- Laboratório Municipal de Referência, Setor de Biologia Molecular, Belo Horizonte, Brazil
| | | | | | - Irina Riediger
- Laboratório Central de Saúde Pública do Estado do Paraná, Curitiba, Brazil
| | | | | | | | | | | | | | | | | | | | - Gabriel Luz Wallau
- Instituto Aggeu Magalhães, Fundação Oswaldo Cruz, Rio de Janeiro, Brazil
| | | | | | - Pedro Alves
- Instituto René Rachou, Fundação Oswaldo Cruz, Belo Horizonte, Brazil
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17
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Campos GRF, Almeida NBF, Filgueiras PS, Corsini CA, Gomes SVC, de Miranda DAP, de Assis JV, de Souza Silva TB, Alves PA, da Rocha Fernandes G, de Oliveira JG, Rahal P, Grenfell RFQ, Nogueira ML. Booster dose of BNT162b2 after two doses of CoronaVac improves neutralization of SARS-CoV-2 Omicron variant. Commun Med (Lond) 2022; 2:76. [PMID: 35784447 PMCID: PMC9242982 DOI: 10.1038/s43856-022-00141-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [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: 02/17/2022] [Accepted: 06/14/2022] [Indexed: 01/07/2023] Open
Abstract
Background The emergence of the new SARS-CoV-2 Omicron variant, which is known to have a large number of mutations when compared to other variants, brought to light the concern about vaccine escape, especially from the neutralization by antibodies induced by vaccination. Methods Based on viral microneutralization assays, we evaluated in 90 individuals the impact on antibody neutralization induction, against Omicron variant, by a booster dose of BNT162b2 mRNA vaccine after the CoronaVac primary vaccination scheme. Results Here we show that the percentage of seroconverted individuals 30 and 60 days after CoronaVac scheme was 16.6% and 10%, respectively. After booster dose administration, the seroconvertion rate increased to 76.6%. The neutralization mean titer against Omicron in the CoronaVac protocol decreased over time, but after the booster dose, the mean titer increased 43.1 times. Conclusions These results indicate a positive impact of this vaccine combination in the serological immune response against SARS-CoV-2 Omicron variant. The high transmission rates of SARS-CoV-2 favor the appearance of variants of the virus bearing a high number of changes in the genetic material, such as the Omicron variant. These changes might impact the efficacy of COVID-19 vaccines. Here, we evaluated the ability, of a highly adopted vaccination scheme in Brazil, of producing neutralizing antibodies, proteins present in the human body that bind to the virus and prevent infection, against the Omicron variant. This scheme consisted in two doses of the CoronaVac vaccine followed by an additional dose of the BNT162b2 vaccine. Our analysis showed that, before the additional dose, the number of individuals presenting neutralizing antibodies against Omicron was low and decreased over time. However, the production of neutralizing antibodies increased significantly after the BNT162b2 dose. Our findings support that this vaccination scheme improves the neutralization of Omicron. Campos et al. assessed the impact of a booster dose of BNT162b2 on antibody neutralization against the SARS-CoV-2 Omicron variant, following two doses of the CoronaVac vaccine. Neutralization mean titers against Omicron decrease over time following two doses of CoronaVac but increase again after the BNT162b2 booster, as does seroconversion.
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Affiliation(s)
- Guilherme R F Campos
- Laboratório de Pesquisas em Virologia (LPV), Faculdade de Medicina de São José do Rio Preto (FAMERP), São José do Rio Preto, Brazil
| | | | - Priscilla Soares Filgueiras
- Diagnosis and Therapy of Infectious Diseases and Cancer, Oswaldo Cruz Foundation (Fiocruz), Belo Horizonte, Brazil
| | - Camila Amormino Corsini
- Diagnosis and Therapy of Infectious Diseases and Cancer, Oswaldo Cruz Foundation (Fiocruz), Belo Horizonte, Brazil
| | - Sarah Vieira Contin Gomes
- Diagnosis and Therapy of Infectious Diseases and Cancer, Oswaldo Cruz Foundation (Fiocruz), Belo Horizonte, Brazil
| | - Daniel Alvim Pena de Miranda
- Diagnosis and Therapy of Infectious Diseases and Cancer, Oswaldo Cruz Foundation (Fiocruz), Belo Horizonte, Brazil
| | - Jéssica Vieira de Assis
- Diagnosis and Therapy of Infectious Diseases and Cancer, Oswaldo Cruz Foundation (Fiocruz), Belo Horizonte, Brazil
| | - Thaís Bárbara de Souza Silva
- Laboratório de Imunologia de Doenças Virais, Instituto Rene Rachou-Fundação Oswaldo Cruz, Belo Horizonte, Brazil
| | - Pedro Augusto Alves
- Laboratório de Imunologia de Doenças Virais, Instituto Rene Rachou-Fundação Oswaldo Cruz, Belo Horizonte, Brazil
| | - Gabriel da Rocha Fernandes
- Diagnosis and Therapy of Infectious Diseases and Cancer, Oswaldo Cruz Foundation (Fiocruz), Belo Horizonte, Brazil
| | | | - Paula Rahal
- Laboratório de Estudos Genômicos, Departamento de Biologia, Instituto de Biociências Letras e Ciências Exatas (IBILCE), Universidade Estadual Paulista (Unesp), São José do Rio Preto, Brazil
| | - Rafaella Fortini Queiroz Grenfell
- Diagnosis and Therapy of Infectious Diseases and Cancer, Oswaldo Cruz Foundation (Fiocruz), Belo Horizonte, Brazil.,Department of Infectious Diseases, College of Veterinary Medicine, University of Georgia, Athens, GA USA
| | - Maurício L Nogueira
- Laboratório de Pesquisas em Virologia (LPV), Faculdade de Medicina de São José do Rio Preto (FAMERP), São José do Rio Preto, Brazil.,Hospital de Base, São José do Rio Preto, Brazil.,Department of Pathology, University of Texas Medical Branch, Galveston, TX USA
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18
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Freitas RGBDON, Vasques ACJ, Fernandes GDR, Ribeiro FB, Solar I, Barbosa MG, Pititto BDA, Geloneze B, Ferreira SRG. Associations of Blautia Genus With Early-Life Events and Later Phenotype in the NutriHS. Front Cell Infect Microbiol 2022; 12:838750. [PMID: 35646726 PMCID: PMC9134825 DOI: 10.3389/fcimb.2022.838750] [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] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Accepted: 04/11/2022] [Indexed: 12/15/2022] Open
Abstract
Introduction Early-life events are associated with the risk of obesity and comorbidities later in life. The gut microbiota—whose composition is influenced by genetics and environmental factors—could be involved. Since the microbiota affects metabolism and fat storage, early-life insults could contribute to the occurrence of obesity driven, in part, by microbiota composition. We examined associations of gut bacteria with early-life events, nutritional status, and body composition in the Nutritionist’s Health Study (NutriHS). Methods A cross-sectional study of 114 female participants examining early-life data, body composition, and biological samples was conducted. Fecal microbiota structure was determined targeting the V4 region of the 16S rRNA gene. Principal coordinates analysis (PCoA) and permutational multivariate analysis of variance (PERMANOVA) were used to test the impact of variables on microbial diversity. Profiles were identified using the Jensen-Shannon divergence matrix and Calinski–Harabasz index. Differential abundance between the categories of exclusive breastfeeding duration and nutritional status was tested using DESeq2. Results In the sample [median age 28 years and body mass index (BMI) 24.5 kg/m2], 2 microbiota profiles driven by the Blautia or Prevotella genus were identified. An estimated 9.1% of the variation was explained by the profiles (p < 0.001), 2.1% by nutritional status (p = 0.004), and 1.8% by exclusive breastfeeding (p = 0.012). The proportion of participants with BMI <25 kg/m2 and who were breastfed for at least 6 months was higher in the Blautia profile (p < 0.05). Conclusion Findings in a Blautia-driven profile of healthy women reinforce that early-life events play a role in defining gut microbiota composition, confirming the importance of exclusive breastfeeding for infant gut colonization in establishing a protective profile against adiposity-related outcomes in adulthood.
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Affiliation(s)
- Renata G. Borges de Oliveira Nascimento Freitas
- Department of Epidemiology, School of Public Health, University of São Paulo, São Paulo, Brazil
- Laboratory of Investigation in Metabolism and Diabetes, Gastrocentro, School of Medical Sciences, University of Campinas, Campinas, Brazil
| | - Ana Carolina J. Vasques
- Laboratory of Investigation in Metabolism and Diabetes, Gastrocentro, School of Medical Sciences, University of Campinas, Campinas, Brazil
- School of Applied Sciences, University of Campinas, Campinas, Brazil
| | | | - Francieli B. Ribeiro
- Laboratory of Investigation in Metabolism and Diabetes, Gastrocentro, School of Medical Sciences, University of Campinas, Campinas, Brazil
- School of Applied Sciences, University of Campinas, Campinas, Brazil
| | - Isabela Solar
- Laboratory of Investigation in Metabolism and Diabetes, Gastrocentro, School of Medical Sciences, University of Campinas, Campinas, Brazil
- School of Applied Sciences, University of Campinas, Campinas, Brazil
| | - Marina G. Barbosa
- School of Applied Sciences, University of Campinas, Campinas, Brazil
| | | | - Bruno Geloneze
- Laboratory of Investigation in Metabolism and Diabetes, Gastrocentro, School of Medical Sciences, University of Campinas, Campinas, Brazil
- Obesity and Comorbidities Research Center, University of Campinas, Campinas, Brazil
| | - Sandra Roberta G. Ferreira
- Department of Epidemiology, School of Public Health, University of São Paulo, São Paulo, Brazil
- *Correspondence: Sandra Roberta G. Ferreira,
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Dias MF, Leroy-Freitas D, Machado EC, da Silva Santos L, Leal CD, da Rocha Fernandes G, de Araújo JC. Effects of activated sludge and UV disinfection processes on the bacterial community and antibiotic resistance profile in a municipal wastewater treatment plant. Environ Sci Pollut Res Int 2022; 29:36088-36099. [PMID: 35060061 DOI: 10.1007/s11356-022-18749-3] [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] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Accepted: 01/14/2022] [Indexed: 06/14/2023]
Abstract
Wastewater tertiary treatment has been pointed out as an effective alternative for reducing the concentration of antibiotic resistant bacteria and genes (ARB and ARGs) in wastewaters. The present work aimed to build on the current knowledge about the effects of activated sludge and UV irradiation on antibiotic resistance determinants in biologically treated wastewaters. For that, the microbial community and ARGs' composition of samples collected after preliminary (APT), secondary (AST), and tertiary (ATT) treatments in a full-scale wastewater treatment plant using a modified activated sludge (MAS) system followed by an UV stage (16 mJ/cm2) were investigated through culture-dependent and independent approaches (including metagenomics). A total of 24 phyla and 460 genera were identified, with predominance of Gammaproteobacteria in all samples. Pathogenic genera corresponded to 8.6% of all sequences on average, mainly Acinetobacter and Streptococcus. Significant differences (p < 0.05) in the proportion of pathogens were observed between APT and the other samples, suggesting that the secondary treatment reduced its abundance. The MAS achieved 64.0-99.7% average removal efficiency for total (THB) and resistant heterotrophic bacteria, although the proportions of ARB/THB have increased for sulfamethoxazole, cephalexin, ciprofloxacin, and tetracycline. A total of 107 copies/mL of intI1 gene remained in the final effluent, suggesting that the treatment did not significantly remove this gene and possibly other ARGs. In accordance, metagenomic results suggested that number of reads recruited to plasmid-associated ARGs became more abundant in the pool throughout the treatment, suggesting that it affected more the bacteria without these ARGs than those with it. In conclusion, disinfected effluents are still a potential source for ARB and ARGs, which highlights the importance to investigate ways to mitigate their release into the environment.
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Affiliation(s)
- Marcela França Dias
- Department of Sanitary and Environmental Engineering, Federal University of Minas Gerais, Av. Antônio Carlos, 6627, Pampulha, Belo Horizonte, 31270-901, Brazil
| | - Deborah Leroy-Freitas
- Department of Sanitary and Environmental Engineering, Federal University of Minas Gerais, Av. Antônio Carlos, 6627, Pampulha, Belo Horizonte, 31270-901, Brazil
| | - Elayne Cristina Machado
- Department of Sanitary and Environmental Engineering, Federal University of Minas Gerais, Av. Antônio Carlos, 6627, Pampulha, Belo Horizonte, 31270-901, Brazil
| | - Leticia da Silva Santos
- Department of Sanitary and Environmental Engineering, Federal University of Minas Gerais, Av. Antônio Carlos, 6627, Pampulha, Belo Horizonte, 31270-901, Brazil
| | - Cintia Dutra Leal
- Department of Sanitary and Environmental Engineering, Federal University of Minas Gerais, Av. Antônio Carlos, 6627, Pampulha, Belo Horizonte, 31270-901, Brazil
| | | | - Juliana Calábria de Araújo
- Department of Sanitary and Environmental Engineering, Federal University of Minas Gerais, Av. Antônio Carlos, 6627, Pampulha, Belo Horizonte, 31270-901, Brazil.
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Latorre-Estivalis JM, Große-Wilde E, da Rocha Fernandes G, Hansson BS, Lorenzo MG. Changes in antennal gene expression underlying sensory system maturation in Rhodnius prolixus. Insect Biochem Mol Biol 2022; 140:103704. [PMID: 34942331 DOI: 10.1016/j.ibmb.2021.103704] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 12/16/2021] [Accepted: 12/16/2021] [Indexed: 06/14/2023]
Abstract
Triatomine bugs are the blood feeding insect vectors transmitting Chagas disease to humans, a neglected tropical disease that affects over 8 million people, mainly in Latin America. The behavioral responses to host cues and bug signals in Rhodnius prolixus are state dependent, i.e., they vary as a function of post-ecdysis age. At the molecular level, these changes in behavior are probably due to a modulation of peripheral and central processes. In the present study, we report a significant modulation of the expression of a large set of sensory-related genes. Results were generated by means of antennal transcriptomes of 5th instar larvae along the first week (days 0, 2, 4, 6 and 8) after ecdysis sequenced using the Illumina HiSeq platform. Significant age-induced changes in transcript abundance were established for more than 6120 genes (54,7% of 11,186 genes expressed) in the antenna of R. prolixus. This was especially true between the first two days after ecdysis when more than 2500 genes had their expression significantly altered. In contrast, expression profiles were almost identical between day 6 and 8, with only a few genes showing significant modulation of their expression. A total of 86 sensory receptors, odorant carriers and odorant degrading enzymes were significantly modulated across age points and clustered into three distinct expression profiles. The set of sensory genes whose expression increased with age (profile 3) may include candidates underlying the increased responsiveness to host cues shown by R. prolixus during the first days after molting. For the first time, we describe the maturation process undergone at the molecular level by the peripheral sensory system of a hemimetabolous insect.
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Affiliation(s)
- Jose Manuel Latorre-Estivalis
- Laboratorio de Insectos Sociales, Instituto de Fisiología, Biología Molecular y Neurociencias, Universidad de Buenos Aires - CONICET, Buenos Aires, Argentina.
| | - Ewald Große-Wilde
- Department of Evolutionary Neuroethology, Max Planck Institute for Chemical Ecology, Jena, Germany; Present address: Faculty of Forestry & Wood Science, Excellent Team for Mitigation, Czech University of Life Science, Prague, Czech Republic.
| | | | - Bill S Hansson
- Department of Evolutionary Neuroethology, Max Planck Institute for Chemical Ecology, Jena, Germany.
| | - Marcelo Gustavo Lorenzo
- Vector Behavior and Pathogen Interaction Group, Instituto René Rachou - FIOCRUZ, Belo Horizonte, Minas Gerais, Brazil.
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21
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Rodrigues GR, Pinto OHB, Schroeder LF, Fernandes GDR, Costa OYA, Quirino BF, Kuramae EE, Barreto CC. Unraveling the xylanolytic potential of Acidobacteria bacterium AB60 from Cerrado soils. FEMS Microbiol Lett 2021; 367:5902847. [PMID: 32897365 DOI: 10.1093/femsle/fnaa149] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [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: 03/06/2020] [Accepted: 09/02/2020] [Indexed: 11/13/2022] Open
Abstract
The presence of genes for glycosyl hydrolases in many Acidobacteria genomes indicates an important role in the degradation of plant cell wall material. Acidobacteria bacterium AB60 was obtained from Cerrado oligotrophic soil in Brazil, where this phylum is abundant. The 16S rRNA gene analyses showed that AB60 was closely related to the genera Occallatibacter and Telmatobacter. However, AB60 grew on xylan as carbon source, which was not observed in Occallatibacter species; but growth was not detected on medium containing carboxymethyl cellulose, as observed in Telmatobacter. Nevertheless, the genome analysis of AB60 revealed genes for the enzymes involved in cellulose as well as xylan degradation. In addition to enzymes involved in xylan degradation, α-l-rhamnosidase was detected in the cultures of AB60. Functional screening of a small-insert genomic library did not identify any clones capable of carboxymethyl cellulose degradation, but open reading frames coding α-l-arabinofuranosidase and α-l-rhamnosidase were present in clones showing xylan degradation halos. Both enzymes act on the lateral chains of heteropolymers such as pectin and some hemicelluloses. These results indicate that the hydrolysis of α-linked sugars may offer a metabolic niche for slow-growing Acidobacteria, allowing them to co-exist with other plant-degrading microbes that hydrolyze β-linked sugars from cellulose or hemicellulose backbones.
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Affiliation(s)
- Gisele Regina Rodrigues
- Universidade Católica de Brasília, Graduate Program in Genomic Sciences and Biotechnology, SGAN 916, Brasília, DF 70790-160, Brazil
| | - Otávio Henrique Bezerra Pinto
- Universidade Católica de Brasília, Graduate Program in Genomic Sciences and Biotechnology, SGAN 916, Brasília, DF 70790-160, Brazil
| | - Luís Felipe Schroeder
- Universidade Católica de Brasília, Graduate Program in Genomic Sciences and Biotechnology, SGAN 916, Brasília, DF 70790-160, Brazil
| | | | - Ohana Yonara Assis Costa
- Department of Microbial Ecology, Netherlands Institute of Ecology (NIOO-KNAW), 6708 PB, Wageningen, The Netherlands
| | - Betania Ferraz Quirino
- Brazilian Agricultural Research Corporation - EMBRAPA/Agroenergy, Brasília, DF 70770-901, Brazil
| | - Eiko Eurya Kuramae
- Department of Microbial Ecology, Netherlands Institute of Ecology (NIOO-KNAW), 6708 PB, Wageningen, The Netherlands.,Ecology and Biodiversity, Institute of Environmental Biology, Utrecht University, 3584 CS, Utrecht, The Netherlands
| | - Cristine Chaves Barreto
- Universidade Católica de Brasília, Graduate Program in Genomic Sciences and Biotechnology, SGAN 916, Brasília, DF 70790-160, Brazil
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22
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Niitsuma ENA, Bueno IDC, Arantes EO, Carvalho APM, Xavier Junior GF, Fernandes GDR, Lana FCF. Factors associated with the development of leprosy in contacts: a systematic review and meta-analysis. Rev Bras Epidemiol 2021; 24:e210039. [PMID: 34231829 DOI: 10.1590/1980-549720210039] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Accepted: 04/20/2021] [Indexed: 01/21/2023] Open
Abstract
OBJECTIVE To investigate the risk factors associated with leprosy in contacts of patients. METHOD We carried out a systematic review and meta-analysis by searching the databases MEDLINE, Embase, Cochrane Library, CINAHL, LILACS, Scopus, and Web of Science until September 2019. Four reviewers carried out the selection, analysis, and evaluation of quality of studies. The random effects model was used to calculate the pooled relative risk (RR) and 95% confidence intervals (95% CI) when heterogeneity was greater than 50%. RESULTS The search resulted in 2,148 references and included 24 reports. Most of the studies had been conducted in Brazil and India, had a cohort design and included household, neighbors, and social contacts. The risk factors associated with illness due to leprosy in contacts were: illiteracy (RR = 1,48; 95%CI 1,22 - 1,79), living in the same house (RR = 2,41; 95%CI 1,87 - 3,10) of a case of leprosy with high bacillary load (RR = 2.40; 95%CI 1.69 - 3.41), seropositivity to the Mycobacterium leprae PGL-1 (phenolic glycolipid-1) antigen (RR = 3.54; 95%CI 2.21 - 5.67), presence of the bacillus in the bloodstream (RR = 10.61; 95%CI 4.74 - 23.77) and negative Mitsuda reaction (RR = 2,68; 95%CI 1,76 - 4,07). Immunization with BCG (bacillus Calmette-Guérin) vaccine had a protective effect against leprosy. CONCLUSION Leprosy in contacts of patients involves social determination, individual susceptibility, and difficulties in access to disease control actions, but modifiable risk factors are the main determinants of illness in this population.
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Affiliation(s)
- Eyleen Nabyla Alvarenga Niitsuma
- Instituto Federal de Educação, Ciência e Tecnologia do Norte de Minas Gerais - Almenara (MG), Brasil.,Programa de Pós-graduação em Enfermagem, Universidade Federal de Minas Gerais - Belo Horizonte (MG), Brasil
| | - Isabela de Caux Bueno
- Programa de Pós-graduação em Enfermagem, Universidade Federal de Minas Gerais - Belo Horizonte (MG), Brasil
| | - Elis Oliveira Arantes
- Programa de Pós-graduação em Enfermagem, Universidade Federal de Minas Gerais - Belo Horizonte (MG), Brasil
| | - Ana Paula Mendes Carvalho
- Diretoria de Vigilância de Condições Crônicas, Secretaria de Estado de Saúde de Minas Gerais - Belo Horizonte (MG), Brasil
| | | | | | - Francisco Carlos Félix Lana
- Departamento de Enfermagem Materno Infantil e Saúde Pública, Universidade Federal de Minas Gerais - Belo Horizonte (MG), Brasil
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23
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Pinto OHB, Costa FS, Rodrigues GR, da Costa RA, da Rocha Fernandes G, Júnior ORP, Barreto CC. Soil Acidobacteria Strain AB23 Resistance to Oxidative Stress Through Production of Carotenoids. Microb Ecol 2021; 81:169-179. [PMID: 32617619 DOI: 10.1007/s00248-020-01548-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Accepted: 06/16/2020] [Indexed: 06/11/2023]
Abstract
Metagenomic studies revealed the prevalence of Acidobacteria in soils, but the physiological and ecological reasons for their success are not well understood. Many Acidobacteria exhibit carotenoid-related pigments, which may be involved in their tolerance of environmental stress. The aim of this work was to investigate the role of the orange pigments produced by Acidobacteria strain AB23 isolated from a savannah-like soil and to identify putative carotenoid genes in Acidobacteria genomes. Phylogenetic analysis revealed that strain AB23 belongs to the Occallatibacter genus from the class Acidobacteriia (subdivision 1). Strain AB23 produced carotenoids in the presence of light and vitamins; however, the growth rate and biomass decreased when cells were exposed to light. The presence of carotenoids resulted in tolerance to hydrogen peroxide. Comparative genomics revealed that all members of Acidobacteriia with available genomes possess the complete gene cluster for phytoene production. Some Acidobacteriia members have an additional gene cluster that may be involved in the production of colored carotenoids. Both colored and colorless carotenoids are involved in tolerance to oxidative stress. These results show that the presence of carotenoid genes is widespread among Acidobacteriia. Light and atmospheric oxygen stimulate carotenoid synthesis, but there are other natural sources of oxidative stress in soils. Tolerance to environmental oxidative stress provided by carotenoids may offer a competitive advantage for Acidobacteria in soils.
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Affiliation(s)
- Otávio Henrique Bezerra Pinto
- Graduate Program in Genomic Sciences and Biotechnology, Catholic University of Brasília, SGAN 916 Módulo B Avenida W5 - Asa Norte, Brasília, 70790-160, Brazil
- Laboratory of Enzymology, Institute of Biological Sciences, Department of Cell Biology, University of Brasília, Brasília, 70910-900, Brazil
| | - Flávio Silva Costa
- Graduate Program in Genomic Sciences and Biotechnology, Catholic University of Brasília, SGAN 916 Módulo B Avenida W5 - Asa Norte, Brasília, 70790-160, Brazil
- Institute of Microbiology, Friedrich Schiller University Jena, Neugasse 25, 07743, Jena, Germany
| | - Gisele Regina Rodrigues
- Graduate Program in Genomic Sciences and Biotechnology, Catholic University of Brasília, SGAN 916 Módulo B Avenida W5 - Asa Norte, Brasília, 70790-160, Brazil
| | - Rosiane Andrade da Costa
- Graduate Program in Genomic Sciences and Biotechnology, Catholic University of Brasília, SGAN 916 Módulo B Avenida W5 - Asa Norte, Brasília, 70790-160, Brazil
| | - Gabriel da Rocha Fernandes
- Research Center René Rachou, Oswaldo Cruz Foundation (Fiocruz), Avenida Augusto de Lima 1715, Barro Preto, Belo Horizonte, 30190-002, Brazil
| | - Osmindo Rodrigues Pires Júnior
- Department of Physiological Sciences, Institute of Biological Sciences, Universidade de Brasília, Brasília, DF, 70910-900, Brazil
| | - Cristine Chaves Barreto
- Graduate Program in Genomic Sciences and Biotechnology, Catholic University of Brasília, SGAN 916 Módulo B Avenida W5 - Asa Norte, Brasília, 70790-160, Brazil.
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Dias MF, da Rocha Fernandes G, Cristina de Paiva M, Christina de Matos Salim A, Santos AB, Amaral Nascimento AM. Exploring the resistome, virulome and microbiome of drinking water in environmental and clinical settings. Water Res 2020; 174:115630. [PMID: 32105997 DOI: 10.1016/j.watres.2020.115630] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Revised: 02/14/2020] [Accepted: 02/15/2020] [Indexed: 05/09/2023]
Abstract
Aquatic ecosystems harbor a vast pool of antibiotic resistance genes (ARGs), which can suffer mutation, recombination and selection events. Here, we explored the diversity of ARGs, virulence factors and the bacterial community composition in water samples before (surface raw water, RW) and after (disinfected water, DW) drinking water conventional treatment, as well as in tap water (TW) and ultrafiltration membranes (UM, recovered from hemodialysis equipment) through metagenomics. A total of 852 different ARGs were identified, 21.8% of them only in RW, which might reflect the impact of human activities on the river at the sampling point. Although a similar resistance profile has been observed between the samples, significant differences in the frequency of clinically relevant antibiotic classes (penam and peptide) were identified. Resistance determinants to last resort antibiotics, including sequences related to mcr, optrA and poxtA and clinically relevant beta-lactamase genes (i.e. blaKPC, blaGES, blaIMP, blaVIM, blaSPM and blaNDM) were detected. 830 coding sequences (CDSs - related to 217 different ARGs) were embedded in contigs associated with mobile genetic elements, specially plasmids, of which 68% in RW, DW and TW, suggesting the importance of water environments in resistance dissemination. Shifts in bacterial pathogens genera were observed, such as a significant increase in Mycobacterium after treatment and distribution. In UM, the potentially pathogenic genus Halomonas predominated. Its draft genome was closely related to H. stevensii, hosting mainly multidrug efflux pumps. These results broaden our understanding of the global ARGs diversity and stress the importance of tracking the ever-expanding environmental resistome.
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Affiliation(s)
- Marcela França Dias
- Departamento de Genética, Ecologia e Evolução, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Brazil
| | | | | | | | - Alexandre Bueno Santos
- Departamento de Genética, Ecologia e Evolução, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Brazil
| | - Andréa Maria Amaral Nascimento
- Departamento de Genética, Ecologia e Evolução, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Brazil.
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Alvarenga Niitsuma EN, Fernandes GDR, Lana FCF. The TLR1 gene is associated with higher protection from leprosy in women. PLoS One 2018; 13:e0205234. [PMID: 30289892 PMCID: PMC6173409 DOI: 10.1371/journal.pone.0205234] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2017] [Accepted: 09/21/2018] [Indexed: 01/19/2023] Open
Abstract
Leprosy is an infectious disease with a complex genetic and immunological background. Polymorphisms in genes that encode cytokines and receptors involved in the immune response, such as the Toll-like receptor 1 (TLR1), may be associated with disease risk. We hypothesized that polymorphisms in innate immunity genes confer susceptibility to leprosy that differs between women and men. In this study, we investigate sex differences in the association between a single nucleotide polymorphism (SNP) in TLR1 and Nucleotide-binding oligomerization domain containing 2 (NOD2) genes and leprosy susceptibility in 256 clinically classified leprosy patients and 233 control subjects in a Brazilian population. Our results showed no association between the SNP rs8057341 in NOD2 and leprosy in this population. However, the heterozygous genotype of the TLR1 SNP (rs4833095) showed a statistically significant association in women (OR = 0.54, P = 0.02). Our findings suggest that the TLR1 polymorphism was associated with an increased protection from leprosy in women.
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Affiliation(s)
| | | | - Francisco Carlos Félix Lana
- Department of Maternal and Child Nursing and Public Health, Escola de Enfermagem, Universidade Federal de Minas Gerais - UFMG, Belo Horizonte, Minas Gerais, Brasil
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Miranda VDJ, Porto WF, Fernandes GDR, Pogue R, Nolasco DO, Araujo ACG, Cota LV, Freitas CGD, Dias SC, Franco OL. Comparative transcriptomic analysis indicates genes associated with local and systemic resistance to Colletotrichum graminicola in maize. Sci Rep 2017; 7:2483. [PMID: 28559543 PMCID: PMC5449407 DOI: 10.1038/s41598-017-02298-8] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2016] [Accepted: 04/10/2017] [Indexed: 01/21/2023] Open
Abstract
The hemibiotrophic fungus Colletotrichum graminicola may cause severe damage to maize, affecting normal development of the plant and decreasing grain yield. In this context, understanding plant defense pathways at the inoculation site and systemically in uninoculated tissues can help in the development of genetic engineering of resistance against this pathogen. Previous work has discussed the molecular basis of maize - C. graminicola interaction. However, many genes involved in defense have not yet been exploited for lack of annotation in public databases. Here, changes in global gene expression were studied in root, male and female inflorescences of maize under local and systemic fungal infection treatments, respectively. RNA-Seq with qPCR was used to indicate genes involved in plant defense. We found that systemic acquired resistance induction in female inflorescences mainly involves accumulation of salicylic acid (SA)-inducible defense genes (ZmNAC, ZmHSF, ZmWRKY, ZmbZIP and PR1) and potential genes involved in chromatin modification. Furthermore, transcripts involved in jasmonic acid (JA) and ethylene (ET) signaling pathways were also accumulated and may participate in plant immunity. Moreover, several genes were functionally re-annotated based on domain signature, indicating novel candidates to be tested in strategies involving gene knockout and overexpression in plants.
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Affiliation(s)
- Vívian de Jesus Miranda
- Centro de Análises Proteômicas e Bioquímicas, Pós-Graduação em Ciências Genômicas e Biotecnologia Universidade Católica de Brasília, Brasília-DF, Brazil
| | - William Farias Porto
- Centro de Análises Proteômicas e Bioquímicas, Pós-Graduação em Ciências Genômicas e Biotecnologia Universidade Católica de Brasília, Brasília-DF, Brazil
- Porto Reports, Brasília, DF, Brazil
| | | | - Robert Pogue
- Centro de Análises Proteômicas e Bioquímicas, Pós-Graduação em Ciências Genômicas e Biotecnologia Universidade Católica de Brasília, Brasília-DF, Brazil
| | - Diego Oliveira Nolasco
- Centro de Análises Proteômicas e Bioquímicas, Pós-Graduação em Ciências Genômicas e Biotecnologia Universidade Católica de Brasília, Brasília-DF, Brazil
- Research Laboratory of Electronics - Massachusetts Institute of Technology (MIT), Cambridge, MA, USA
| | | | | | - Camila Guimarães de Freitas
- Centro de Análises Proteômicas e Bioquímicas, Pós-Graduação em Ciências Genômicas e Biotecnologia Universidade Católica de Brasília, Brasília-DF, Brazil
- Instituto Federal de Brasília, DF, Brazil
| | - Simoni Campos Dias
- Centro de Análises Proteômicas e Bioquímicas, Pós-Graduação em Ciências Genômicas e Biotecnologia Universidade Católica de Brasília, Brasília-DF, Brazil
| | - Octavio Luiz Franco
- Centro de Análises Proteômicas e Bioquímicas, Pós-Graduação em Ciências Genômicas e Biotecnologia Universidade Católica de Brasília, Brasília-DF, Brazil.
- S-Inova Biotech, Pos-Graduação em Biotecnologia, Universidade Católica Dom Bosco, Campo Grande, Brazil.
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Franco-de-Moraes AC, de Almeida-Pititto B, da Rocha Fernandes G, Gomes EP, da Costa Pereira A, Ferreira SRG. Worse inflammatory profile in omnivores than in vegetarians associates with the gut microbiota composition. Diabetol Metab Syndr 2017; 9:62. [PMID: 28814977 PMCID: PMC5557559 DOI: 10.1186/s13098-017-0261-x] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/23/2017] [Accepted: 08/05/2017] [Indexed: 02/06/2023] Open
Abstract
AIMS To describe the abundance of major phyla and some genera in the gut microbiota of individuals according to dietary habits and examine their associations with inflammatory markers, insulin resistance, and cardiovascular risk profile. METHODS A total of 268 non-diabetic individuals were stratified into groups of dietary types (strict vegetarians, lacto-ovo-vegetarians, and omnivores). The taxonomic composition and phylogenetic structure of the microbiota were obtained through the analysis of the 16S rRNA gene. Samples were clustered into operational taxonomic units at 97% similarity using GreenGenes 13.5 database. Clinical, biochemical, and circulating inflammatory markers were compared by ANOVA or Kruskal-Wallis test. RESULTS The sample (54.2% women, mean age 49.5 years) was composed of 66 strict vegetarians, 102 lacto-ovo-vegetarians and 100 omnivores. Considering the entire sample, the greatest abundant phyla were Firmicutes (40.7 ± 15.9%) and Bacteroidetes (39.5 ± 19.9%), and no difference in abundances was found between individuals with normal and excess weight. Stratifying by dietary types, the proportion of Firmicutes was lower and of Bacteroidetes was higher in strict vegetarians when compared to lacto-ovo-vegetarians and omnivores. At the genus level, strict vegetarians had a higher Prevotella abundance and Prevotella/Bacteroides ratio than the other groups. They also had a lower proportion of Faecalibacterium than lacto-ovo-vegetarians, and both vegetarian groups had higher proportions than did omnivores. Succinivibrio and Halomonas from the Proteobacteria phylum were overrepresented in omnivores. The omnivorous group showed higher values of anthropometric data, insulin, HOMA-IR, and a worse lipid profile. Inflammatory markers exhibited a gradual and significant increase from the vegetarians and lacto-ovo-vegetarians to the omnivorous group. CONCLUSIONS There are differences in gut microbiota composition of individuals with distinct dietary habits, who differ according to their inflammatory and metabolic profiles. Based on the findings relative to bacteria abundances and on their recognized actions in the metabolism, we suggest that exposure to animal foods may favor an intestinal environment which could trigger systemic inflammation and insulin resistance-dependent metabolic disorders.
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Affiliation(s)
- Ana Carolina Franco-de-Moraes
- Department of Epidemiology, School of Public Health, University of Sao Paulo, Av. Dr. Arnaldo, 715, Sao Paulo, SP Zip code 01246-904 Brazil
| | - Bianca de Almeida-Pititto
- Department of Preventive Medicine, Federal University of Sao Paulo, Rua Botucatu, 720, Sao Paulo, SP Zip code 04023-900 Brazil
| | - Gabriel da Rocha Fernandes
- Oswaldo Cruz Foundation, René Rachou Research Center, Av. Augusto de Lima, 1715, Belo Horizonte, MG Zip code 30190-002 Brazil
| | - Everton Padilha Gomes
- Laboratory of Genetics and Molecular Cardiology, Heart Institute, Medical School, University of Sao Paulo, Av. Dr. Eneas de Carvalho Aguiar, 44, 10°. andar, Sao Paulo, SP Zip code 05403-000 Brazil
| | - Alexandre da Costa Pereira
- Laboratory of Genetics and Molecular Cardiology, Heart Institute, Medical School, University of Sao Paulo, Av. Dr. Eneas de Carvalho Aguiar, 44, 10°. andar, Sao Paulo, SP Zip code 05403-000 Brazil
| | - Sandra Roberta G. Ferreira
- Department of Epidemiology, School of Public Health, University of Sao Paulo, Av. Dr. Arnaldo, 715, Sao Paulo, SP Zip code 01246-904 Brazil
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Araújo FS, Coelho LM, Silva LDC, da Silva Neto BR, Parente-Rocha JA, Bailão AM, de Oliveira CMA, Fernandes GDR, Hernández O, Ochoa JGM, Soares CMDA, Pereira M. Effects of Argentilactone on the Transcriptional Profile, Cell Wall and Oxidative Stress of Paracoccidioides spp. PLoS Negl Trop Dis 2016; 10:e0004309. [PMID: 26734764 PMCID: PMC4703379 DOI: 10.1371/journal.pntd.0004309] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2015] [Accepted: 11/26/2015] [Indexed: 02/06/2023] Open
Abstract
Paracoccidioides spp., a dimorphic pathogenic fungus, is the etiologic agent of paracoccidioidomycosis (PCM). PCM is an endemic disease that affects at least 10 million people in Latin America, causing severe public health problems. The drugs used against pathogenic fungi have various side effects and limited efficacy; therefore, there is an inevitable and urgent medical need for the development of new antifungal drugs. In the present study, we evaluated the transcriptional profile of Paracoccidioides lutzii exposed to argentilactone, a constituent of the essential oil of Hyptis ovalifolia. A total of 1,058 genes were identified, of which 208 were up-regulated and 850 were down-regulated. Cell rescue, defense and virulence, with a total of 26 genes, was a functional category with a large number of genes induced, including heat shock protein 90 (hsp90), cytochrome c peroxidase (ccp), the hemoglobin ligand RBT5 (rbt5) and superoxide dismutase (sod). Quantitative real-time PCR revealed an increase in the expression level of all of those genes. An enzymatic assay showed a significant increase in SOD activity. The reduced growth of Pbhsp90-aRNA, Pbccp-aRNA, Pbsod-aRNA and Pbrbt5-aRNA isolates in the presence of argentilactone indicates the importance of these genes in the response of Paracoccidioides spp. to argentilactone. The response of the P. lutzii cell wall to argentilactone treatment was also evaluated. The results showed that argentilactone caused a decrease in the levels of polymers in the cell wall. These results suggest that argentilactone is a potential candidate for antifungal therapy. Paracoccidioidomycosis (PCM) is a neglected human systemic mycosis caused by Paracoccidioides spp. fungus that invades the host’s lungs and can disseminate to many other organs. Treatment usually involves amphotericin B, sulfadiazine, trimethoprim-sulfamethoxazole, itraconazole, ketoconazole or fluconazole for six months to two years. In this way, many adverse effects are associated with treatment, and patients can have many co-morbidities and difficulties in complying with treatment. For those reasons, more effective and less toxic drugs are needed. The discovery of a potentially bioactive molecule and its correlation with a biological target is an important step in the research and development of drugs. One of the ways in which cells adjust to environmental change is by changing the pattern of gene expression. Thus, the transcriptome is potential experimental strategy to elucidate the mode of action of bioactive molecules. Here, Paracoccidoides spp. altered the expression of genes, leading to a further understanding of the action of the compound argentilactone in the fungal cells. Argentilactone seems to be able to modulate cellular targets, to induce oxidative stress and to interfere with the biosynthesis of the P. lutzii cell wall.
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Affiliation(s)
- Felipe Souto Araújo
- Laboratório de Biologia Molecular, Instituto de Ciências Biológicas, Universidade Federal de Goiás, Goiânia, Goiás, Brazil
| | - Luciene Melo Coelho
- Laboratório de Biologia Molecular, Instituto de Ciências Biológicas, Universidade Federal de Goiás, Goiânia, Goiás, Brazil
| | - Lívia do Carmo Silva
- Laboratório de Biologia Molecular, Instituto de Ciências Biológicas, Universidade Federal de Goiás, Goiânia, Goiás, Brazil
| | | | - Juliana Alves Parente-Rocha
- Laboratório de Biologia Molecular, Instituto de Ciências Biológicas, Universidade Federal de Goiás, Goiânia, Goiás, Brazil
| | - Alexandre Melo Bailão
- Laboratório de Biologia Molecular, Instituto de Ciências Biológicas, Universidade Federal de Goiás, Goiânia, Goiás, Brazil
| | | | - Gabriel da Rocha Fernandes
- Laboratório de Biodados, Biologia Celular e Desenvolvimento, Universidade Católica de Brasília, Brasília, Distrito Federal, Brazil
| | - Orville Hernández
- Unidad de Biología Celular y Molecular, Corporación para Investigaciones Biológicas (CIB) and Escuela de Microbiología Universidad de Antioquia, Medellín, Colombia
| | - Juan Guillermo McEwen Ochoa
- Unidad de Biología Celular y Molecular, Corporación para Investigaciones Biológicas (CIB) and Facultad de Medicina Universidad de Antioquia, Medellín, Colombia
| | - Célia Maria de Almeida Soares
- Laboratório de Biologia Molecular, Instituto de Ciências Biológicas, Universidade Federal de Goiás, Goiânia, Goiás, Brazil
| | - Maristela Pereira
- Laboratório de Biologia Molecular, Instituto de Ciências Biológicas, Universidade Federal de Goiás, Goiânia, Goiás, Brazil
- * E-mail:
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Bailão EFLC, Lima PDS, Silva-Bailão MG, Bailão AM, Fernandes GDR, Kosman DJ, Soares CMDA. Paracoccidioides spp. ferrous and ferric iron assimilation pathways. Front Microbiol 2015; 6:821. [PMID: 26441843 PMCID: PMC4585334 DOI: 10.3389/fmicb.2015.00821] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [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: 04/24/2015] [Accepted: 07/27/2015] [Indexed: 12/25/2022] Open
Abstract
Iron is an essential micronutrient for almost all organisms, including fungi. Usually, fungi can uptake iron through receptor-mediated internalization of a siderophore or heme, and/or reductive iron assimilation (RIA). Traditionally, the RIA pathway consists of ferric reductases (Fres), ferroxidase (Fet3) and a high-affinity iron permease (Ftr1). Paracoccidioides spp. genomes do not present an Ftr1 homolog. However, this fungus expresses zinc regulated transporter homologs (Zrts), members of the ZIP family of membrane transporters that are able in some organisms to transport zinc and iron. A 2,3,5-triphenyltetrazolium chloride (TTC)-overlay assay indicates that both Pb01 and Pb18 express a ferric reductase activity; however, 59Fe uptake assays indicate that only in Pb18 is this activity coupled to a reductase-dependent iron uptake pathway. In addition, Zrts are up-regulated in iron deprivation, as indicated by RNAseq and qRT-PCR using Pb01 transcripts. RNAseq strategy also demonstrated that transcripts related to siderophore uptake and biosynthesis are up-regulated in iron-deprived condition. The data suggest that the fungus could use both a non-classical RIA, comprising ferric reductases and Fe/Zn permeases (Zrts), and siderophore uptake pathways under iron-limited conditions. The study of iron metabolism reveals novel surface molecules that could function as accessible targets for drugs to block iron uptake and, consequently, inhibit pathogen's proliferation.
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Affiliation(s)
- Elisa Flávia L C Bailão
- Laboratório de Biologia Molecular, Instituto de Ciências Biológicas, Universidade Federal de Goiás Goiânia, Brazil
| | - Patrícia de Sousa Lima
- Laboratório de Biologia Molecular, Instituto de Ciências Biológicas, Universidade Federal de Goiás Goiânia, Brazil
| | - Mirelle G Silva-Bailão
- Laboratório de Biologia Molecular, Instituto de Ciências Biológicas, Universidade Federal de Goiás Goiânia, Brazil
| | - Alexandre M Bailão
- Laboratório de Biologia Molecular, Instituto de Ciências Biológicas, Universidade Federal de Goiás Goiânia, Brazil
| | | | - Daniel J Kosman
- Department of Biochemistry, School of Medicine and Biomedical Sciences, State University of New York at Buffalo Buffalo, NY, USA
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Lima PDS, Casaletti L, Bailão AM, de Vasconcelos ATR, Fernandes GDR, Soares CMDA. Transcriptional and proteomic responses to carbon starvation in Paracoccidioides. PLoS Negl Trop Dis 2014; 8:e2855. [PMID: 24811072 PMCID: PMC4014450 DOI: 10.1371/journal.pntd.0002855] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2013] [Accepted: 03/31/2014] [Indexed: 12/16/2022] Open
Abstract
Background The genus Paracoccidioides comprises human thermal dimorphic fungi, which cause paracoccidioidomycosis (PCM), an important mycosis in Latin America. Adaptation to environmental conditions is key to fungal survival during human host infection. The adaptability of carbon metabolism is a vital fitness attribute during pathogenesis. Methodology/Principal Findings The fungal pathogen Paracoccidioides spp. is exposed to numerous adverse conditions, such as nutrient deprivation, in the human host. In this study, a comprehensive response of Paracoccidioides, Pb01, under carbon starvation was investigated using high-resolution transcriptomic (RNAseq) and proteomic (NanoUPLC-MSE) approaches. A total of 1,063 transcripts and 421 proteins were differentially regulated, providing a global view of metabolic reprogramming during carbon starvation. The main changes were those related to cells shifting to gluconeogenesis and ethanol production, supported by the degradation of amino acids and fatty acids and by the modulation of the glyoxylate and tricarboxylic cycles. This proposed carbon flow hypothesis was supported by gene and protein expression profiles assessed using qRT-PCR and western blot analysis, respectively, as well as using enzymatic, cell dry weight and fungus-macrophage interaction assays. The carbon source provides a survival advantage to Paracoccidioides inside macrophages. Conclusions/Significance For a complete understanding of the physiological processes in an organism, the integration of approaches addressing different levels of regulation is important. To the best of our knowledge, this report presents the first description of the responses of Paracoccidioides spp. to host-like conditions using large-scale expression approaches. The alternative metabolic pathways that could be adopted by the organism during carbon starvation can be important for a better understanding of the fungal adaptation to the host, because systems for detecting and responding to carbon sources play a major role in adaptation and persistence in the host niche. The species of the Paracoccidioides genus, a neglected human pathogen, represent the causative agents of paracoccidioidomycosis (PCM), one of the most frequent systemic mycoses in Latin America. Despite being phagocytosed, the fungus conidia differentiate into the parasitic yeast form that subverts the normally harsh intraphagosomal environment and survives and replicates into murine and human macrophages. It has been suggested that alternative carbon metabolism plays a role in the survival and virulence of Paracoccidioides spp. within host cells. We used large-scale transcriptome and proteome approaches to better characterize the responses of Paracoccidioides, Pb01, yeast parasitic cells, to carbon starvation. We aimed to identify important molecules used by the fungus to adapt to these hostile conditions. The shift to a starvation mode, including gluconeogenesis and ethanol increases, activation of fatty acids, and amino acid degradation are the strategies used by the pathogen to persist under this stress. Our study provides a detailed map of Paracoccidioides spp. responses under carbon starvation conditions and contributes to further investigations of the importance of alternative carbon adaptation during fungus pathogenesis.
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Affiliation(s)
- Patrícia de Sousa Lima
- Laboratório de Biologia Molecular, Instituto de Ciências Biológicas, Universidade Federal de Goiás, Goiânia, Goiás, Brazil
- Programa de Pós Graduação em Patologia Molecular, Faculdade de Medicina, Universidade de Brasília, Brasília, Distrito Federal, Brazil
| | - Luciana Casaletti
- Laboratório de Biologia Molecular, Instituto de Ciências Biológicas, Universidade Federal de Goiás, Goiânia, Goiás, Brazil
| | - Alexandre Melo Bailão
- Laboratório de Biologia Molecular, Instituto de Ciências Biológicas, Universidade Federal de Goiás, Goiânia, Goiás, Brazil
| | | | | | - Célia Maria de Almeida Soares
- Laboratório de Biologia Molecular, Instituto de Ciências Biológicas, Universidade Federal de Goiás, Goiânia, Goiás, Brazil
- * E-mail:
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Cândido EDS, Fernandes GDR, de Alencar SA, Cardoso MHES, Lima SMDF, Miranda VDJ, Porto WF, Nolasco DO, de Oliveira-Júnior NG, Barbosa AEADD, Pogue RE, Rezende TMB, Dias SC, Franco OL. Shedding some light over the floral metabolism by arum lily (Zantedeschia aethiopica) spathe de novo transcriptome assembly. PLoS One 2014; 9:e90487. [PMID: 24614014 PMCID: PMC3948674 DOI: 10.1371/journal.pone.0090487] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [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: 06/25/2013] [Accepted: 02/01/2014] [Indexed: 01/19/2023] Open
Abstract
Zantedeschia aethiopica is an evergreen perennial plant cultivated worldwide and commonly used for ornamental and medicinal purposes including the treatment of bacterial infections. However, the current understanding of molecular and physiological mechanisms in this plant is limited, in comparison to other non-model plants. In order to improve understanding of the biology of this botanical species, RNA-Seq technology was used for transcriptome assembly and characterization. Following Z. aethiopica spathe tissue RNA extraction, high-throughput RNA sequencing was performed with the aim of obtaining both abundant and rare transcript data. Functional profiling based on KEGG Orthology (KO) analysis highlighted contigs that were involved predominantly in genetic information (37%) and metabolism (34%) processes. Predicted proteins involved in the plant circadian system, hormone signal transduction, secondary metabolism and basal immunity are described here. In silico screening of the transcriptome data set for antimicrobial peptide (AMP) –encoding sequences was also carried out and three lipid transfer proteins (LTP) were identified as potential AMPs involved in plant defense. Spathe predicted protein maps were drawn, and suggested that major plant efforts are expended in guaranteeing the maintenance of cell homeostasis, characterized by high investment in carbohydrate, amino acid and energy metabolism as well as in genetic information.
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Affiliation(s)
- Elizabete de Souza Cândido
- Programa de Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília-DF, Brazil; Centro de Análises Proteômicas e Bioquímicas, Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília-DF, Brazil
| | - Gabriel da Rocha Fernandes
- Programa de Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília-DF, Brazil
| | - Sérgio Amorim de Alencar
- Programa de Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília-DF, Brazil
| | - Marlon Henrique e Silva Cardoso
- Centro de Análises Proteômicas e Bioquímicas, Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília-DF, Brazil
| | - Stella Maris de Freitas Lima
- Programa de Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília-DF, Brazil; Centro de Análises Proteômicas e Bioquímicas, Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília-DF, Brazil
| | - Vívian de Jesus Miranda
- Programa de Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília-DF, Brazil; Centro de Análises Proteômicas e Bioquímicas, Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília-DF, Brazil
| | - William Farias Porto
- Programa de Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília-DF, Brazil; Centro de Análises Proteômicas e Bioquímicas, Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília-DF, Brazil
| | - Diego Oliveira Nolasco
- Programa de Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília-DF, Brazil; Curso de Física, Universidade Católica de Brasília, Brasília - DF, Brazil
| | - Nelson Gomes de Oliveira-Júnior
- Centro de Análises Proteômicas e Bioquímicas, Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília-DF, Brazil; Programa de Pós-Graduação em Biologia Animal, Universidade de Brasília, Brasília-DF, Brazil
| | - Aulus Estevão Anjos de Deus Barbosa
- Programa de Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília-DF, Brazil; Centro de Análises Proteômicas e Bioquímicas, Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília-DF, Brazil
| | - Robert Edward Pogue
- Programa de Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília-DF, Brazil
| | - Taia Maria Berto Rezende
- Programa de Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília-DF, Brazil; Centro de Análises Proteômicas e Bioquímicas, Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília-DF, Brazil; Curso de Odontologia, Universidade Católica de Brasília, Brasília - DF, Brazil
| | - Simoni Campos Dias
- Programa de Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília-DF, Brazil; Centro de Análises Proteômicas e Bioquímicas, Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília-DF, Brazil
| | - Octávio Luiz Franco
- Programa de Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília-DF, Brazil; Centro de Análises Proteômicas e Bioquímicas, Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília-DF, Brazil
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