Results 51 to 60 of about 27,074 (215)

Transmisssion Dynamics of Enterococcus spp. Throughout the Heliconius erato phyllis (Lepidoptera; Nymphalidae) Life Cycle

open access: yesEnvironmental Microbiology Reports, Volume 18, Issue 2, April 2026.
Enterococcus spp. dominate the gut microbiota of Heliconius erato phyllis, transmitted horizontally via host plants (Passiflora suberosa) and persisting through development. Multidrug‐resistant strains were found in larvae and plants, suggesting environmental reservoirs of antimicrobial resistance. This study reveals key microbial transmission dynamics
Rosana Huff   +5 more
wiley   +1 more source

American College of Rheumatology Guidance Statement for Diagnosis and Management of VEXAS Developed by the International VEXAS Working Group Expert Panel

open access: yesArthritis &Rheumatology, Volume 78, Issue 3, Page 509-522, March 2026.
Objective Vacuoles E1 enzyme X‐linked autoinflammatory somatic syndrome (VEXAS) is a recently identified rare genetic disorder associated with somatic mutations in the UBA1 gene. VEXAS presents with a combination of inflammatory and hematologic manifestations, leading to increased morbidity and mortality.
Arsene Mekinian   +111 more
wiley   +1 more source

Clinical and demographic features of 193 patients with rheumatic fever [PDF]

open access: yes, 2006
OBJECTIVE: the aim of this study was to analyze the demographic and clinical characteristics of patients with acute rheumatic fever (ARF), followed between 1995 and 2005.
Caldas, Álvaro Manuel   +4 more
core   +2 more sources

Bacteriologia, imunologia

open access: yesHansenologia Internationalis, 1981
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Hansenologia Internationalis
doaj  

Imunologia, intencionalidade e acaso.

open access: yesInformática na educação: teoria & prática, 2010
Embora os anticorpos sejam usualmente vistos como reagentes bioquímicos específicos feitos pelo corpo em sua própria defesa, sua produção carece de direcionalidade e segue apenas as diretrizes gerais de manutenção e contínua re-criação do corpo. A diversidade clonal dos linfócitos é um elemento essencial da atividade imunológica e, quando reduzida, dá ...
Vaz, Nelson M., Carvalho, Cláudia R.
openaire   +4 more sources

In Vitro Activities of Five Antifungal Drugs Against Conidia and Sclerotic Cells of Chromoblastomycosis Agent Fonsecaea spp

open access: yesMicrobiology and Immunology, Volume 70, Issue 3, Page 139-147, March 2026.
ABSTRACT Chromoblastomycosis (CBM) is a chronic skin and subcutaneous infection mainly caused by Fonsecaea pedrosoi, a dematiaceous fungus with various morphotypes. Characteristic sclerotic cells—globe‐shaped, multiseptated and pigmented—are found in lesions of infected individuals, though their differentiation in the host remains poorly understood. To
Aline Barral Takahashi   +6 more
wiley   +1 more source

Morphological Abnormalities and Biological Effects in the Porto Alegre Strain of Rhipicephalus microplus

open access: yesEntomological Research, Volume 56, Issue 3, March 2026.
ABSTRACT Rhipicephalus microplus is a widespread tick species causing significant economic losses and transmitting pathogens to cattle. The R. microplus populations utilized in tick research are frequently maintained under laboratory conditions for many years.
Arlex Rodríguez‐Durán   +5 more
wiley   +1 more source

Aspectos imunológicos da cárie dentária

open access: yesRevista da Faculdade de Odontologia de Porto Alegre, 2005
O significativo avanço na elaboração de protótipos de vacina contra a cárie é resultado de inúmeras investigações genéticas e moleculares direcionadas aos S. mutans e S. sobrinus e ao mecanismo de resposta imune do hospedeiro.
Leão Pereira PINTO   +3 more
doaj   +1 more source

Phenotypic and genotypic characteristics of shiga toxin-producing Escherichia coli strains isolated from children in São Paulo, Brazil [PDF]

open access: yes, 2002
The biochemical and serological characteristics, virulence properties, and genetic relatedness of Shiga toxin-producing Escherichia coli (STEC) strains isolated in São Paulo, from April 1989 through March 1990, were determined.
Andrade, João Ramos da Costa   +4 more
core   +5 more sources

New Allergens Approved by the WHO/IUIS Allergen Nomenclature Sub‐Committee in 2021–2024 and Their Significance for Future Diagnostics, Regulation, and Research. An EAACI Task Force Report

open access: yesAllergy, Volume 81, Issue 3, Page 684-699, March 2026.
ABSTRACT The WHO/IUIS Allergen Nomenclature Sub‐Committee is an international body of experts that maintains the systematic nomenclature of allergenic proteins by assigning official names to newly identified allergens submitted by researchers. Here, we summarize the data on new allergens approved between 2021 and 2024.
Christian Radauer   +12 more
wiley   +1 more source

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