Emerging viral infections can be identified by using a viral metagenomics approach for clinical human material. Diarrhea samples of patients with unexplained gastroenteritis from the Netherlands were analyzed by using viral metagenomics. Novel circular DNA viruses, bufaviruses, and genogroup III picobirnaviruses were identified. These data expand our knowledge of the human virome.
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http://dx.doi.org/10.3201/eid2007.140190 | DOI Listing |
Sci Rep
December 2024
State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310000, China.
High SARS-CoV-2-specific antibody levels can protect against SARS-CoV-2 reinfection. The gut microbiome can affect a host's immune response. However, its role in the antibody response to SARS-CoV-2 in people living with HIV (PLWH) remains poorly understood.
View Article and Find Full Text PDFMicrob Ecol
December 2024
Department of Biology, New Mexico Institute of Mining and Technology, Socorro, NM, 87801, USA.
Viruses are the most abundant biological entities on Earth, and they play a critical role in the environment and biosphere where they regulate microbial populations and contribute to nutrient cycling. Environmental viruses have been the most studied in the ocean, but viral investigations have now spread to other environments. Here, viral communities were characterized in four cave pools in Carlsbad Caverns National Park to test the hypotheses that (i) viral abundance is ten-fold higher than prokaryotic cell abundance in cavern pools, (ii) cavern pools contain novel viral sequences, and (iii) viral communities in pools from developed portions of the cave are distinct from those of pools in undeveloped parts of the same cave.
View Article and Find Full Text PDFCurr Microbiol
December 2024
Department of Medical Laboratory Technology, Dinabandhu Andrews Institute of Technology and Management, BaishnabghataPatuli Township, Block-S, 1/406A, Near Satyajit Ray Park, Patuli, Kolkata, West Bengal, 700094, India.
This review explores the bidirectional relationship between the human microbiome and SARS-CoV-2 infection, elucidating its implications for COVID-19 susceptibility, severity, and therapeutic strategies. Metagenomic analyses reveal notable alterations in microbiome composition associated with SARS-CoV-2 infection, impacting disease severity and clinical outcomes. Dysbiosis within the respiratory, gastrointestinal, oral, and skin microbiomes exacerbates COVID-19 pathology through immune dysregulation and inflammatory pathways.
View Article and Find Full Text PDFAm J Trop Med Hyg
December 2024
Center for Viral Surveillance and Serological Evaluation (CeVIVAs), Butantan Institute, São Paulo, Brazil.
Virus Evol
December 2024
CIRAD, UMR PVBMT, St Pierre, La Réunion F-97410, France.
Now that it has been realized that viruses are ubiquitous, questions have been raised on factors influencing their diversity and distribution. For phytoviruses, understanding the interplay between plant diversity and virus species richness and prevalence remains cardinal. As both the amplification and the dilution of viral species richness due to increasing host diversity have been theorized and observed, a deeper understanding of how plants and viruses interact in natural environments is needed to explore how host availability conditions viral diversity and distributions.
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