Co-Infection by Leptospira montravelensis and Leptospira interrogans Serovar Pomona in Urine Samples of Donkeys and Pigs in Sardinia, Italy

Article Microbiology

Genome Sequence of a Leptospira montravelensis Strain Isolated from Donkey Urine during a Leptospirosis Outbreak in Sardinia Island, Italy

Ivana Piredda et al.

Summary: This article reports the whole-genome sequence and annotation of a strain of Leptospira montravelensis that was isolated from donkey urine during a leptospirosis outbreak in Sardinia, Italy.

MICROBIOLOGY RESOURCE ANNOUNCEMENTS (2023)

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Synanthropic and Wild Animals as Sentinels of Zoonotic Agents: A Study of Leptospira Genotypes Circulating in Northeastern Italy

Elisa Mazzotta et al.

International Journal of Environmental Research and Public Health (2023)

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Article Infectious Diseases

Neglected tropical diseases risk correlates with poverty and early ecosystem destruction

Arthur Ramalho Magalhaes et al.

Summary: This study examined the role of socioeconomic variables in predicting neglected tropical zoonoses in Brazil and found that socioeconomic factors are as important as environmental factors in influencing disease transmission risk. The results highlight the importance of poverty and natural ecosystem destruction in the transmission of tropical diseases.

INFECTIOUS DISEASES OF POVERTY (2023)

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Article Public, Environmental & Occupational Health

One Health challenges and actions: Integration of gender considerations to reduce risks at the human-animal-environmental interface

Claudia Cataldo et al.

Summary: The human-animal-environment interface is a hotspot for the emergence of new infectious diseases due to various complex factors. The One Health approach, which considers environmental sustainability, animal health, and human health, can effectively address zoonotic diseases. Gender-specific social and domestic roles play a role in modulating individual risk of exposure to infectious diseases and zoonoses. Integrating gender analysis into cross-sectoral interventions based on the One Health perspective can help reduce infection risks and economic losses.

ONE HEALTH (2023)

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Review Infectious Diseases

Global Seropositivity of Swine Leptospirosis: Systematic Review and Meta-Analysis

Hosaneide Gomes de Araujo et al.

Summary: This study conducted a systematic review and meta-analysis to collect data on the seropositivity of leptospirosis in pigs globally. The results indicate a high seropositivity for leptospirosis in pigs worldwide. The findings are relevant for understanding the global spread of leptospirosis.

TROPICAL MEDICINE AND INFECTIOUS DISEASE (2023)

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Article Microbiology

Isolation of Leptospira interrogans Serovar Canicola in a Vaccinated Dog without Clinical Symptoms

Ivana Piredda et al.

Summary: Leptospirosis is a global health issue, with dogs playing a key role in transmitting the disease to humans. Vaccination is effective in reducing the severity of the disease, but vaccinated dogs can still become infected. This case highlights the importance of immunization in mitigating symptoms and the need for further research on the role of dogs in disease transmission.

PATHOGENS (2022)

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Article Veterinary Sciences

Circulating serogroups of Leptospira in swine from a 7-year study in France (2011-2017)

Jeanne Naudet et al.

Summary: This study retrospectively analyzed the distribution of Leptospira serogroups in pigs from different regions in France. The results showed that Australis and Icterohaemorrhagiae were the most common serogroups. The study suggests that protecting against these two serogroups can prevent most clinical cases of porcine leptospirosis and recommends the use of standardized methods to extract epidemiological information for nationwide or international surveillance and prophylactic strategies.

PORCINE HEALTH MANAGEMENT (2022)

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Article Veterinary Sciences

A global one health perspective on leptospirosis in humans and animals

Jane E. Sykes et al.

Summary: Leptospirosis is a zoonotic disease caused by pathogenic spirochetes of the genus Leptospira, and its transmission depends on reservoir host animals, the persistence of spirochetes in the environment, and human-animal-environmental interactions. Factors such as climate change-induced flooding, changes in interactions during a pandemic, and under-recognition due to clinical similarities with COVID-19 contribute to the resurgence of leptospirosis in humans and animals. It is crucial for healthcare professionals and experts to maintain a high level of suspicion for this disease and collaborate to understand outbreaks and implement control measures.

JAVMA-JOURNAL OF THE AMERICAN VETERINARY MEDICAL ASSOCIATION (2022)

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Review Microbiology

Biofilm formation and social interaction of Leptospira in natural and artificial environments

Yogesan Meganathan et al.

Summary: In recent decades, there has been an increased interest in studying the social interactions of pathogenic bacteria and biofilm-forming microbes. This review discusses the interplay between different species in the biofilm formation of saprophytic and pathogenic Leptospira and potential future applications.

RESEARCH IN MICROBIOLOGY (2022)

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Article Immunology

Alive Pathogenic and Saprophytic Leptospires Enter and Exit Human and Mouse Macrophages With No Intracellular Replication

Ignacio Santecchia et al.

Summary: This study reevaluated the intracellular fate of Leptospira interrogans and found that they actively enter macrophages but quickly exit without replicating inside the cells.

FRONTIERS IN CELLULAR AND INFECTION MICROBIOLOGY (2022)

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Article Veterinary Sciences

Leptospira interrogans Serogroup Pomona in a Dairy Cattle Farm in a Multi-Host Zootechnical System

Antonino Aliberti et al.

Summary: This study reports an outbreak of Leptospira interrogans serogroup Pomona in cattle in Sicily, Italy, and describes its clinical manifestations, diagnostic implications, and epidemiological characteristics.

VETERINARY SCIENCES (2022)

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Article Biology

New Insights on Leptospira Infections in a Canine Population from North Sardinia, Italy: A Sero-Epidemiological Study

Ivana Piredda et al.

Summary: Leptospirosis is a widespread zoonosis caused by pathogenic spirochaetes of the genus Leptospira. This study in Sardinia found a high prevalence of antibodies against Leptospira serovars in both dogs and rodents, indicating a potential risk of infection for humans. Further sero-epidemiological studies are needed to better understand the circulation of Leptospira species in the region.

BIOLOGY-BASEL (2021)

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Article Microbiology

Draft Genome Sequences of Four Different Strains Belonging to Leptospira interrogans Serovar Pomona Isolated from Mammals in the Island of Sardinia, Italy

Ivana Piredda et al.

Summary: Researchers have reported four draft genome sequences of Leptospira interrogans serovar Pomona isolated in Sardinia (Italy) from four different species of mammals.

MICROBIOLOGY RESOURCE ANNOUNCEMENTS (2021)

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Review Agriculture, Dairy & Animal Science

Insight into the Epidemiology of Leptospirosis: A Review of Leptospira Isolations from Unconventional Hosts

Giovanni Cilia et al.

Summary: Isolation of Leptospira is crucial for assessing infection in various animal species. The increase in leptospirosis cases in the past 30 years may be attributed to problematic sampling methods, newly identified strains, underestimated cases, and climate change. Unconventional hosts play an important role in the epidemiology of Leptospira infection.

ANIMALS (2021)

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Article Biology

Integrating taxonomic, functional, and strain-level profiling of diverse microbial communities with bioBakery 3

Francesco Beghini et al.

Summary: Culture-independent analyses of microbial communities have advanced significantly in the past decade, particularly due to the emergence of Shotgun Metagenomics. bioBakery 3, a newly developed toolset, enhances the accuracy and scope of taxonomic, functional, and phylogenetic profiling in microbial community studies by providing an expanding set of reference sequences.

ELIFE (2021)

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Article Agriculture, Dairy & Animal Science

Molecular Typing of Pathogenic Leptospira Species Isolated from Wild Mammal Reservoirs in Sardinia

Ivana Piredda et al.

Summary: Leptospirosis is a global zoonosis caused by pathogenic species of Leptospira. A study conducted in Sardinia identified the presence of Leptospira in wild mammals, indicating a possible role in transmission to humans. Monitoring Leptospira strains in Sardinia can help develop strategic plans for prevention and control of the disease.

ANIMALS (2021)

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Article Infectious Diseases

Leptospira interrogans biofilm formation in Rattus norvegicus (Norway rats) natural reservoirs

Ana Amelia Nunes Santos et al.

Summary: This study examined the presence of biofilms formed by Leptospira bacteria in the kidneys of naturally infected Norway rats. The intensity of leptospiral colonization in the kidneys was positively correlated with the presence of biofilms, which were also associated with the rats' gender and age. The findings suggest a potential role for leptospiral biofilms in the pathogenesis of leptospirosis and bacterial carriage in reservoir hosts.

PLOS NEGLECTED TROPICAL DISEASES (2021)

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Article Veterinary Sciences

First Isolation and Molecular Typing of Pathogenic and Intermediate Leptospira Species from Urine of Symptomatic Dogs

Ivana Piredda et al.

Summary: This study found that leptospiral infection was widespread in dogs in Sardinia, with some urine samples testing positive for Leptospira DNA and a new Leptospira species isolated from one dog's urine for the first time. Further research is needed to determine if healthy dogs shedding leptospires in their urine could pose a zoonotic risk for humans in the region.

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Leptospirosis: Increasing importance in developing countries

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Identification of compounds for improved growth of Leptospira in culture and isolation

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A systematic review of Leptospira in water and soil environments

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Isolation of Leptospira interrogans from a Bottlenose Dolphin (Tursiops truncatus) in the Mediterranean Sea

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Serological Survey and Molecular Typing Reveal New Leptospira Serogroup Pomona Strains among Pigs of Northern Italy

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Revisiting the taxonomy and evolution of pathogenicity of the genus Leptospira through the prism of genomics

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Human leptospirosis cases in Palermo Italy. The role of rodents and climate

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Passive surveillance of Leptospira infection in swine in Germany

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Genomic characterization and comparative analysis of Leptospira interrogans serogroup Australis isolated from swine

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Co-Infection by Leptospira montravelensis and Leptospira interrogans Serovar Pomona in Urine Samples of Donkeys and Pigs in Sardinia, Italy

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