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1.
Arch Microbiol ; 206(9): 366, 2024 Aug 05.
Artigo em Inglês | MEDLINE | ID: mdl-39098983

RESUMO

Kombucha, a fermented tea beverage, has seen a significant rise in global popularity. This increase is attributed to its reported health benefits and extensive cultural heritage. The comprehensive review examines kombucha through microbiology, biochemistry, and health sciences, highlighting its therapeutic potential and commercial viability. Central to kombucha production is the symbiotic culture of bacteria and yeasts (SCOBY), which regulates a complex fermentation process, resulting in a bioactive-rich elixir. The study examines the microbial dynamics of SCOBY, emphasizing the roles of various microorganisms. It focuses the contributions of acetic acid bacteria, lactic acid bacteria, and osmophilic yeasts, including genera such as Saccharomyces, Schizosaccharomyces, Zygosaccharomyces, Brettanomyces/Dekkera, and Pichia. These microorganisms play crucial roles in producing bioactive compounds, including organic acids, polyphenols, and vitamins. These bioactive compounds confer therapeutic properties to kombucha. These properties include antioxidant, antimicrobial, anti-inflammatory, antidiabetic, antihypertensive, cancer prevention, hepatoprotective, and detoxifying effects. The review also explores the growing market for kombucha, driven by consumer demand for functional beverages and opportunities for innovative product development. It emphasizes the necessity of standardized production to ensure safety and validate health claims. Identifying research gaps, the review highlights the importance of clinical trials to verify therapeutic benefits. Ultimately, this study integrates traditional knowledge with scientific research, providing directions for future studies and commercial expansion, emphasizing the role of kombucha in health and wellness.


Assuntos
Fermentação , Chá de Kombucha , Humanos , Chá de Kombucha/microbiologia , Leveduras/metabolismo , Leveduras/genética , Bactérias/metabolismo , Bactérias/genética
2.
Sci Rep ; 13(1): 19066, 2023 11 04.
Artigo em Inglês | MEDLINE | ID: mdl-37925515

RESUMO

Antibiotics are chemical compounds that are used to treat and prevent disease in humans and animals. They have been used in animal feed for over 60 years and are widely used in industrial farming. Antibiotics can have negative environmental impacts, including the potential to contribute to the development of antibiotic-resistant organisms. They can enter the environment through various pathways, including the manufacturing process, the direct application of antibiotic-laden manure to fields, and through grazing animals. Antibiotics that are given to animals can be excreted from where they can enter soil and groundwater which enable their entry in plants. Streptomycin is an antibiotic that is used against a range of gram-positive and gram-negative bacteria, but its use has led to the development of antibiotic resistance in some pathogens. It has also been shown to have negative impacts on a range of plant species, including tobacco, tomato, and wheat. Although, the major effect of streptomycin on plant physiology have been studied, the molecular mechanisms at play are barely understood in plant body. In current study, we examined the impact of streptomycin on germination of Brassica napus and then using docking, MM-GBBSA and MD simulations identified key proteins that interact with streptomycin by performing rigorous computational screening of 106 different proteins. Our finding suggest that streptomycin might be interacting with acyl-CoA oxidases, protochlorophyllide reductase B and leucoanthocyanidin dioxygenase based on simulation and docking analysis.


Assuntos
Brassica napus , Estreptomicina , Humanos , Animais , Estreptomicina/farmacologia , Antibacterianos/farmacologia , Simulação de Dinâmica Molecular , Bactérias Gram-Negativas , Bactérias Gram-Positivas
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