Franciele Maboni Siqueira
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View article: Is breast cancer in women caused by bovine leukaemia virus and Mycoplasma spp.? An investigation from South Brazil
Is breast cancer in women caused by bovine leukaemia virus and Mycoplasma spp.? An investigation from South Brazil Open
Bovine leukaemia virus (BLV) is a widespread Deltaretrovirus that remains mostly asymptomatic in cattle but can lead to B-cell lymphoma. Evidence suggests that BLV may infect humans and has been associated with breast cancer. Mycoplasma sp…
View article: Genomic islands and mobilome demonstrate a potential pathogen, the Plesiomonas shigelloides, as in Nile tilapia (Oreochromis niloticus)
Genomic islands and mobilome demonstrate a potential pathogen, the Plesiomonas shigelloides, as in Nile tilapia (Oreochromis niloticus) Open
Plesiomonas shigelloides is a common opportunistic pathogen of fish that may result in significant economic losses during outbreak periods. The infection is revealed by several clinical signs, including pericarditis, multifocal necrosis, h…
View article: Canine Leptospirosis in Flood-Affected Areas of Southern Brazil: Molecular Assessment and Public Health Implications
Canine Leptospirosis in Flood-Affected Areas of Southern Brazil: Molecular Assessment and Public Health Implications Open
Background: Southern Brazil faced massive rains and floods in May 2024, which led to social, infrastructural, and One Health issues affecting over 478 municipalities and 2.3 million people. Exposure to floodwater increased the risk of bact…
View article: Synthesis and characterisation of copper (II) oxide nanoparticles for application in antimicrobial coatings
Synthesis and characterisation of copper (II) oxide nanoparticles for application in antimicrobial coatings Open
The addition of nanoparticles to coatings is a widely employed strategy to enhance resin properties without compromising performance. Copper oxides are commonly used as additives in formulations, replacing organometallics, which are prohib…
View article: Enterotoxigenic <i>Escherichia coli</i> as a Modulator of the Entero‐Pulmonary Axis in Piglets: Impacts on the Microbiota and Immune Responses
Enterotoxigenic <i>Escherichia coli</i> as a Modulator of the Entero‐Pulmonary Axis in Piglets: Impacts on the Microbiota and Immune Responses Open
The high prevalence of enterotoxigenic Escherichia coli (ETEC) in nondiarrheic piglets contributes to its rapid spread; however, few studies have explored the effects of latent gastrointestinal pathogens on animal health. Therefore, using …
View article: Bovine abortion-related Streptococcus pluranimalium: a microbiological, pathological and molecular diagnostic approaches
Bovine abortion-related Streptococcus pluranimalium: a microbiological, pathological and molecular diagnostic approaches Open
Considering the relevance of differential diagnosis in identifying the cause of abortions in cattle, this study described a case of bovine abortion caused by Streptococcus pluranimalium. A bovine abortion with external characteristics comp…
View article: Bovine abortion caused by Ureaplasma diversum infection in Midwest Brazil
Bovine abortion caused by Ureaplasma diversum infection in Midwest Brazil Open
Ureaplasma diversum has been reported to infect the respiratory and genital systems in cattle, leading to numerous reproductive alterations, including abortions. However, detailed and comprehensive studies of fetal pathology in naturally i…
View article: The 'Never-Met' Resistance of Urinary Tract Pathogens to Novel Antibiotics
The 'Never-Met' Resistance of Urinary Tract Pathogens to Novel Antibiotics Open
Background: Antimicrobial resistance (AMR) is rapidly escalating among urinary tract pathogens, posing a pressing challenge for human and veterinary medicine. Urinary tract infections (UTIs), a common disease in humans and domestic animals…
View article: Metabolic Reprogramming of <i>Klebsiella pneumoniae</i> Exposed to Serum and Its Potential Implications in Host Immune System Evasion and Resistance
Metabolic Reprogramming of <i>Klebsiella pneumoniae</i> Exposed to Serum and Its Potential Implications in Host Immune System Evasion and Resistance Open
The aim of this study was to identify, using proteomics, the molecular alterations caused by human serum exposure to Klebsiella pneumoniae ACH2. The analysis was performed under two different conditions, native serum from healthy do…
View article: Genomic Analyses of Methicillin-Susceptible and Methicillin-Resistant Staphylococcus pseudintermedius Strains Involved in Canine Infections: A Comprehensive Genotypic Characterization
Genomic Analyses of Methicillin-Susceptible and Methicillin-Resistant Staphylococcus pseudintermedius Strains Involved in Canine Infections: A Comprehensive Genotypic Characterization Open
Staphylococcus pseudintermedius is frequently associated with several bacterial infections in dogs, highlighting a One Health concern due to the zoonotic potential. Given the clinical significance of this pathogen, we performed comprehensi…
View article: Applied Research Note: Bacterial profile in the environment of an egg-producing farm in Southern Brazil
Applied Research Note: Bacterial profile in the environment of an egg-producing farm in Southern Brazil Open
SUMMARY: This study aims to characterize the environmental microbiota of an egg-producing farm situated in Rio Grande do Sul, Southern Brazil, spanning from the chick to the laying hen stages and encompassing the treatment of carcasses and…
View article: Exploring bacterial diversity and antimicrobial resistance gene on a southern Brazilian swine farm
Exploring bacterial diversity and antimicrobial resistance gene on a southern Brazilian swine farm Open
The bacterial composition of and the circulation of antimicrobial resistance genes (ARGs) in waste from Brazilian swine farms are still poorly understood. Considering that antimicrobial resistance (AMR) is one of the main threats to human,…
View article: Comparative genetic and pathogenic approaches of Escherichia coli isolated simultaneously from pyometra and urine of bitches
Comparative genetic and pathogenic approaches of Escherichia coli isolated simultaneously from pyometra and urine of bitches Open
Escherichia coli (E. coli) are widely related to pyometra and cystitis in dogs, and these infections can occur simultaneously. The goal of this study was to determine genetic and pathogenic insights of 14 E. coli isolated simultaneously fr…
View article: Comparative Analysis of How the Fecal Microbiota of Green-Winged Saltator (Saltator similis) Diverge among Animals Living in Captivity and in Wild Habitats
Comparative Analysis of How the Fecal Microbiota of Green-Winged Saltator (Saltator similis) Diverge among Animals Living in Captivity and in Wild Habitats Open
The microbiota’s alteration is an adaptive mechanism observed in wild animals facing high selection pressure, especially in captive environments. The objective of this study is to compare and predict the potential impact of habitat on the …
View article: Genome analysis of Pseudomonas strain 4B with broad antagonistic activity against toxigenic fungi
Genome analysis of Pseudomonas strain 4B with broad antagonistic activity against toxigenic fungi Open
View article: Feline Urosepsis by Escherichia Coli: Genetic and Pathological Aspects of the Pathogenicity
Feline Urosepsis by Escherichia Coli: Genetic and Pathological Aspects of the Pathogenicity Open
View article: Determinação da diversidade microbiana na conjuntiva ocular de cães saudáveis pelo sequenciamento completo do DNA
Determinação da diversidade microbiana na conjuntiva ocular de cães saudáveis pelo sequenciamento completo do DNA Open
Resumo A conjuntiva desempenha papel fundamental na saúde e imunidade ocular e atua como uma barreira à entrada de microrganismos. As infecções conjuntivais são comuns em cães e resultam tanto da invasão de microrganismos patogênicos quant…
View article: Bergeyella zoohelcum strain involved in chronic canine rhinitis
Bergeyella zoohelcum strain involved in chronic canine rhinitis Open
The pathogenesis of dog's bacterial rhinitis is poorly understudied. Bergeyella zoohelcum was isolated from an animal with chronic rhinitis as primary agent. The bacterium identification was performed by both MALDI-TOF and 16S rDNA gene se…
View article: Determination of microbial diversity in the ocular conjunctiva of healthy dogs by total DNA sequencing
Determination of microbial diversity in the ocular conjunctiva of healthy dogs by total DNA sequencing Open
The conjunctiva plays an essential role in eye health and immunity and acts as a barrier to the entry of microorganisms. Conjunctival infections are common in dogs and result from both the invasion of pathogenic microorganisms and the unco…
View article: A cross-sectional study on Campylobacter fetus subsp. venerealis prevalence and associated factors in Brazilian southern cattle farms
A cross-sectional study on Campylobacter fetus subsp. venerealis prevalence and associated factors in Brazilian southern cattle farms Open
Cattle farming is a major livestock activity with economic relevance in Rio Grande do Sul (RS), Brazil. However, this activity is still considered of intermediate to low technological level, and in this region, there are few epidemiologic …
View article: Inactivation of Pathogenic Microorganisms on Polymeric Materials through Ozonation
Inactivation of Pathogenic Microorganisms on Polymeric Materials through Ozonation Open
Ozone‐based technologies have been evaluated to inactivate the severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2) on surfaces. However, the vast diversity of information makes it difficult to establish common ground for determini…
View article: Exploring Bacterial Diversity and Antimicrobial Resistance Genes Dynamics in a Southern Brazilian Swine Farm's Environment
Exploring Bacterial Diversity and Antimicrobial Resistance Genes Dynamics in a Southern Brazilian Swine Farm's Environment Open
View article: Fatal yersiniosis by Yersinia enterocolitica in a brown titi monkey (Plecturocebus brunneus)
Fatal yersiniosis by Yersinia enterocolitica in a brown titi monkey (Plecturocebus brunneus) Open
We described a case of fatal septicemic yersiniosis in a young adult brown titi monkey (Plecturocebus brunneus) which presented lethargy and severe anemia. Postmortem external assessment revealed marked dehydration and pale pink mucous mem…
View article: Streptococcus spp. in Equines - Infection and Antimicrobial Susceptibility Profiles
Streptococcus spp. in Equines - Infection and Antimicrobial Susceptibility Profiles Open
Background: Empirical antimicrobial prescribing is commonly used in equine veterinary. Therefore, professionals can obtain information about antimicrobial susceptibility profile of the bacterial strains based on veterinary literature. Cons…
View article: Perception of poultry veterinarians on the use of antimicrobials and antimicrobial resistance in egg production
Perception of poultry veterinarians on the use of antimicrobials and antimicrobial resistance in egg production Open
This study aimed to describe the perception of veterinarians who work with commercial laying hens in the state of Rio Grande do Sul, Brazil, regarding the use of antibiotics and their possible impacts on animal, human, and environmental he…
View article: Aerossacolitis and Pneumonia in an Indian Peafowl Caused by Lactobacillus agilis
Aerossacolitis and Pneumonia in an Indian Peafowl Caused by Lactobacillus agilis Open
Background: The peafowl is an ornamental bird that has the habit of eating directly from the earthy soil, which makes this bird more susceptible to endoparasites. One important endoparasite is Eucoleus contortus, which leads to inflammator…
View article: Mannheimia varigena as the etiologic agent of lameness and coronary band lesion in cattle
Mannheimia varigena as the etiologic agent of lameness and coronary band lesion in cattle Open
Mannheimia varigena was identified as the etiologic agent of lameness and coronary band lesion in 30% of cattle in a farm located in Rio Grande do Sul, Brazil.Swab samples from the lesions were cultured in McConkey Agar and Blood Agar for …
View article: Genomic analysis of Enterococcus durans LAB18S, a potential probiotic strain isolated from cheese
Genomic analysis of Enterococcus durans LAB18S, a potential probiotic strain isolated from cheese Open
Gut microbiota exerts a fundamental role in human health and increased evidence supports the beneficial role of probiotic microorganisms in the maintenance of intestinal health. Enterococcus durans LAB18S was previously isolated from soft …
View article: Fatal yersiniosis by Yersinia enterocolitica in a brown titi monkey (Plecturocebus brunneus)
Fatal yersiniosis by Yersinia enterocolitica in a brown titi monkey (Plecturocebus brunneus) Open
We described a case of fatal septicemic yersiniosis in a young adult brown titi monkey (Plecturocebus brunneus) which presented lethargy and severe anemia. Postmortem external assessment revealed marked dehydration and pale pink mucous mem…
View article: Survey of beef bulls in Brazil to assess their role as source of infectious agents related to cow infertility
Survey of beef bulls in Brazil to assess their role as source of infectious agents related to cow infertility Open
Poor reproductive performance in beef cattle caused by infectious agents results in major financial losses as a result of reduced pregnancy rates and extended calving intervals. Bulls can be subclinical chronic carriers of bacterial and pr…