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Human Virome01:26

Human Virome

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The human body harbors a vast and diverse viral community known as the human virome. The virome includes bacteriophages that infect bacteria, and eukaryotic viruses that infect human cells. Transient dietary and environmental viruses also contribute to this dynamic ecosystem. Estimates suggest the human body may contain on the order of 10¹³ viral particles, though abundance varies widely by body site and detection method.Comprehensive characterization of the virome has become possible...
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Biological agents offer an effective means of controlling microbial growth by leveraging natural processes like predation, competition, and the secretion of antimicrobial substances.Predatory bacteria such as Bdellovibrio species target and kill pathogens like Salmonella and E. coli. They are widely used in poultry farms to control infections. Myxococcus species help combat plant-pathogenic fungi. These naturally occurring predators serve as eco-friendly alternatives to chemical pesticides and...
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Protein synthesis is indispensable for viral replication, as viruses lack the cellular machinery required for this process and must hijack the host's translational apparatus. In response, host cells deploy a critical innate immune defense involving interferons, specialized cytokines that play a central role in inhibiting viral propagation.Upon viral detection, infected cells release interferons that bind to receptors on adjacent uninfected cells, activating the JAK-STAT signaling pathway and...
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A drug interaction occurs when the concurrent use of another drug, food, or an external substance alters the pharmacological activity of a drug. This interaction can modify the action of the original drug, affecting its effectiveness and safety.Drug–food interactions are significant as they impact drug absorption, metabolism, and excretion. For example, grapefruit juice is a well-known disruptor of drug metabolism. It inhibits the cytochrome P450 3A4 enzyme, crucial for the metabolism of...
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Subviral Agents01:29

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Subviral agents are infectious entities that resemble viruses but lack one or more viral components, such as a capsid or essential replication machinery. These agents include viroids, prions, and satellites, each possessing distinct structural and functional characteristics that influence their mode of infection and replication.Viroids are the simplest subviral agents, consisting of circular, single-stranded RNA molecules without a protein coat. They exclusively infect plants, relying entirely...
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Chemicals play important roles in controlling microbial growth by targeting microbial structures and functions as sanitizers, antiseptics, disinfectants, and sterilants.Alcohols are commonly used sanitizers, effectively disrupting lipid membranes, which compromises cell integrity. They are also used as antiseptics and disinfectants due to their rapid action and versatility.Phenols and their derivatives phenolics , known for denaturing proteins and disrupting cell membranes, are particularly...
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Early Viral Entry Assays for the Identification and Evaluation of Antiviral Compounds
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Phytocompounds for the control of human enteric viruses.

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Plant extracts and polyphenols offer natural, sustainable alternatives for combating human enteric viruses, especially noroviruses, due to their antioxidant and antimicrobial properties.

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Area of Science:

  • Phytochemistry
  • Virology
  • Public Health

Background:

  • Plant-derived polyphenols possess antioxidant and antimicrobial properties.
  • Growing demand for natural, sustainable alternatives to synthetic antimicrobials.
  • Human enteric viruses, particularly noroviruses, are significant global health concerns.

Purpose of the Study:

  • To summarize research on plant extracts for controlling human enteric viruses.
  • To highlight the potential of fruit-derived polyphenols in antiviral applications.

Main Methods:

  • Review of scientific literature on plant extracts and their antiviral activities.
  • Focus on phytochemicals, specifically polyphenols from fruits.
  • Analysis of studies related to human enteric virus inhibition.

Main Results:

  • Plant extracts and polyphenols demonstrate promising antioxidant and antimicrobial effects.
  • Fruit-derived polyphenols show potential for preventing and treating viral infections.
  • Limited availability of vaccines for viruses like norovirus increases interest in plant-based interventions.

Conclusions:

  • Plant extracts represent a viable natural strategy for managing human enteric viral infections.
  • Further research into fruit polyphenols could lead to novel antiviral therapeutics.
  • Phytochemical research is crucial for developing sustainable solutions in virology and public health.