Results 51 to 60 of about 2,745 (116)

Genetic Diversity of Polymyxin Resistance Genes in Klebsiella pneumoniae Clinical Isolates

Molecular Ecology, Volume 35, Issue 2, January 2026.
ABSTRACT This study investigates the genetic diversity and evolutionary mechanisms driving polymyxin resistance in Klebsiella pneumoniae, a critical priority pathogen. By analysing mgrB, phoPQ and pmrAB genes in susceptible (PM‐S) and resistant (PM‐R) populations through neutrality tests (Tajima D, Fu & Li's D) we uncovered polygenic adaptation and ...
Daniel Miceli Serwy, Maria Eduarda Rocha Conde, Ana Luiza Carneiro Alencar, Roberto Leonan Morim Novaes, Josué da Costa Lima‐Junior, Fabio Faria da Mota, Ana Paula Carvalho‐Assef, Teca Calcagno Galvao, Viviane Zahner   +8 more
wiley   +1 more source

Predação de animais domésticos em pequenas propriedades rurais do entorno de áreas protegidas da Mata Atlântica do Estado de Pernambuco, Brasil

Medicina Veterinária, 2020
O objetivo desse estudo foi caracterizar a ocorrência de predação a rebanhos domésticos em pequenas propriedades rurais do entorno de áreas protegidas da Mata Atlântica do Estado de Pernambuco, Brasil.
Diogo Lima Franco, Rafael Lima Oliveira, Ricardo César Souza Carneiro da Cunha, Vanessa Oliveira Ribeiro, Maria Fernanda Vianna Marvulo, Jean Carlos Ramos Silva   +5 more
doaj  

Emergence of Livestock‐Associated Methicillin‐Resistant Staphylococcus aureus ST398 in Wild Birds, Brazil

MicrobiologyOpen, Volume 14, Issue 6, December 2025.
In a protected forest fragment in southern Brazil, 197 wild birds were sampled, with 12.2% carrying Staphylococcus aureus. Two MRSA ST398 strains, the first reported in Brazilian wild birds, were identified. Genomic analysis revealed resistance and virulence genes, linking these strains to pigs and underscoring the critical need for resistance ...
Mateus Rocha Ribas, Felipe Vásquez‐Ponce, Rodrigo Cardoso, Dany Mesa, Gustavo Rocha, Victor Felipe Wolleck, Juliana Lemos Dal Pizzol, Izadora Borgmann Frizzo de Assunção, Vinicius Pais e Oliveira, Gabriel Salvador, Amanda Tfardoski Rodrigues, Gregory Batista Melocco, Fernanda Esposito, Johana Becerra, Nilton Lincopan, Fabienne Antunes Ferreira, Thaís Cristine Marques Sincero, Jussara Kasuko Palmeiro, Sheila Rezler Wosiacki, Silvia Cristina Osaki   +19 more
wiley   +1 more source

Detection of ESBL-producing Escherichia coli carrying blaCTXM-15 in magnificent frigatebird (Fregata magnificens) from Brazil: a one health perspective

Frontiers in Microbiology
BackgroundWild birds are increasingly recognised as sentinels for antimicrobial resistance (AMR) in environments impacted by human activity, yet the role of seabirds in the dissemination and maintenance of extended-spectrum β-lactamase (ESBL)-producing ...
Bruno Rocha Pribul, Bruno Rocha Pribul, Letícia da Silva Nascimento, Carlos Eduardo Gaspar Marinato, Melise Chaves Silveira, Daiana Cristina Silva Rodrigues, Bruna Ribeiro Sued-Karam, Daniel Miceli Serwy, Maria Ogrzewalska, Marina Galvão Bueno, Ana Paula D’Alincourt Carvalho-Assef, Miliane Moreira Soares de Souza, Cláudio Marcos Rocha-de-Souza, Cláudio Marcos Rocha-de-Souza   +13 more
doaj   +1 more source

Satisfaction With Health Services During the COVID‐19 Pandemic: Results From a Population‐Based Survey in a Municipality in Southeastern Brazil

World Medical &Health Policy, Volume 17, Issue 4, Page 912-920, December 2025.
ABSTRACT In Brazil, the healthcare system is based on the provision of a public system that offers free and universal services to all citizens, supplemented by private initiative. Evaluating user satisfaction plays an important role in identifying improvements and promoting organizational changes that benefit everyone involved.
Patrícia Silva Bazoni, Francisca Janiclecia Rezende Cordeiro, Élida da Silva Timóteo, Ana Luísa Horsth, Alciellen Mendes da Silva, Ronaldo José Faria, Eduardo Frizzera Meira, Jéssica Barreto Ribeiro dos Santos, Michael Ruberson Ribeiro da Silva   +8 more
wiley   +1 more source

Brazilian fleas (Hexapoda: Siphonaptera): diversity, host associations, and new records on small mammals from the Atlantic Rainforest, including Rickettsia screening

Parasites & Vectors
Background Insects belonging to the Siphonaptera order are obligatory ectoparasites of vertebrates, including humans. Their life cycle is marked by holometabolous development, and adults are adapted to have a bloodmeal out of their hosts.
Isabella Pereira Pesenato, Jaciara de Oliveira Jorge Costa, Fernando de Castro Jacinavicius, Ricardo Bassini-Silva, Herbert Sousa Soares, Thiago Fakelmann, Giovanna Nosberto Castelli, Gledson Bandeira Maia, Valeria Castilho Onofrio, Fernanda Aparecida Nieri-Bastos, Arlei Marcili   +10 more
doaj   +1 more source

Comparative study of parasite load in the spleen, lymph node, and skin of dogs with visceral leishmaniasis

Brazilian Journal of Veterinary Pathology
Canine visceral leishmaniasis (VL) is a zoonosis caused by the protozoan Leishmania infantum. The lymph nodes, spleen, and skin are essential organs in the immunopathogenesis of the disease.
Fernanda Ramalho Ramos, Bethânia Almeida Gouveia, Maria Angélica Dias Amâncio, Adolorata Aparecida Bianco de Carvalho, Rosemeri de Oliveira Vasconcelos   +4 more
doaj   +1 more source

Anti‐Human Endogenous Retrovirus and Anti‐Myelin Oligodendrocyte Glycoprotein Humoral Response in Cerebrospinal Fluid of Multiple Sclerosis Patients: A Case Control Study

Microbiology and Immunology, Volume 69, Issue 10, Page 495-501, October 2025.
ABSTRACT It is believed that human endogenous retrovirus (HERV)‐W plays a fundamental role in multiple sclerosis (MS) pathogenesis, probably by inducing humoral and cellular immunopathological response. HERVs present regions of similarity to myelin oligodendrocyte glycoprotein (MOG) and therefore could induce autoimmunity through the mechanism of ...
Karin C. Garcia, Samuel N. Santos, Bruna R. Flose, Maria A. Juliano, Renan B. Domingues, Lucas M. Neves, Guilherme José Costa Silva, Liã B. Arruda, Augusto C. Penalva‐de‐Oliveira, Sandro L. de Andrade Matas, Marina T. Shio, Luiz H. da Silva Nali   +11 more
wiley   +1 more source

Leptospirose no contexto da Saúde Única e diretrizes de vacinação

Pubvet, 2020
O conceito de Saúde Única baseia-se sobretudo na interrelação existente no trinômio saúde humana, saúde animal e meio-ambiente. Do relacionamento contemporâneo entre os seres humanos e os animais no ambiente que os circundam emergem doenças, dentre elas ...
Angela Ramos Silvestrini, Marcos Bryan Heinemann, Alessandra Marnie Martins Gomes de Castro   +2 more
doaj   +1 more source

Host–parasite relationship in urban environments: A network analysis of haemoparasite infections in Nasua nasua Linnaeus (South American coati)

Medical and Veterinary Entomology, Volume 39, Issue 3, Page 456-463, September 2025.
Urban environments alter host–parasite dynamics, as seen in Nasua nasua, where haemotropic Mycoplasma plays a key role in parasite spread through frequent social interactions. Network analysis revealed low modularity in interactions between N. nasua and tick‐borne haemoparasites, with functional roles unaffected by biotic factors, tick infestation or ...
Filipe Martins Santos, Nayara Yoshie Sano, Livia Perles, Marcos Rogério André   +3 more
wiley   +1 more source