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Chemical Composition, Enantiomeric Distribution and Biological Activity of Essential Oil from (Humb. & Bonpl. ex Willd.) Wilbur.
Molecules
March 2023
Departamento de Química, Universidad Técnica Particular de Loja, Loja 110150, Ecuador.
The species , commonly known as wax laurel, is a tree belonging to the Myricaceae family that can be found from Costa Rica to Bolivia. In this study, the chemical composition, enantiomeric distribution, and biological activity of essential oil isolated from the leaves of this species was determined. Hydrodistillation was used to isolate the essential oil (EO).
View Article and Find Full Text PDFYeasts originating from fermented foods, their potential as probiotics and therapeutic implication for human health and disease.
Crit Rev Food Sci Nutr
July 2024
Department of Microbiology and Fermentation Technology, CSIR-Central Food Technological Research Institute, Mysuru, India.
Yeasts derived from fermented foods have historically been known for their organoleptic properties, enriching nutritional values, and producing bioactive metabolites with therapeutic potential. In this review, we discuss the yeast flora in fermented foods, their functional aspects in fermentation, as well as their probiotic and biotherapeutic properties. These yeasts have numerous physical and biochemical characteristics, such as larger cells as compared to bacteria, a rigid cell wall composed primarily of glucans and mannans, natural resistance to antibiotics, and the secretion of secondary metabolites that are both pleasing to the consumer and beneficial to the host's health and well-being.
View Article and Find Full Text PDFA high-throughput sequencing survey characterizing European foulbrood disease and Varroosis in honey bees.
Sci Rep
January 2023
Carl Hayden Bee Research Center, USDA Agricultural Research Service, 2000 E. Allen Rd., Tucson, AZ, 85719, USA.
As essential pollinators of ecosystems and agriculture, honey bees (Apis mellifera) are host to a variety of pathogens that result in colony loss. Two highly prevalent larval diseases are European foulbrood (EFB) attributed to the bacterium Melissococcus plutonius, and Varroosis wherein larvae can be afflicted by one or more paralytic viruses. Here we used high-throughput sequencing and qPCR to detail microbial succession of larval development from six diseased, and one disease-free apiary.
View Article and Find Full Text PDFEffectors of the Stenotrophomonas maltophilia Type IV Secretion System Mediate Killing of Clinical Isolates of Pseudomonas aeruginosa.
mBio
June 2021
Department of Microbiology and Immunology, Northwestern University Medical School, Chicago, Illinois, USA.
Previously, we documented that Stenotrophomonas maltophilia encodes a type IV secretion system (T4SS) that allows the organism to kill, in contact-dependent fashion, heterologous bacteria, including wild-type Pseudomonas aeruginosa. Bioinformatic screens based largely on the presence of both a C-terminal consensus sequence and an adjacent gene encoding a cognate immunity protein identified 13 potential antibacterial effectors, most of which were highly conserved among sequenced strains of S. maltophilia.
View Article and Find Full Text PDFTransfer of antibiotic-resistant bacteria via ballast water with a special focus on multiple antibiotic-resistant bacteria: A survey from an inland port in the Yangtze River.
Mar Pollut Bull
May 2021
Key Laboratory for Urban and Ecological Restoration of Shanghai, School of Ecology and Environmental Sciences, East China Normal University, Shanghai 200241, China.
Ship ballast water can transfer harmful organisms, including antibiotic-resistant bacteria (ARB), among geographically isolated waters. In this study, the presence and composition of ARB and multiple ARB (MARB) were investigated in the ballast waters of 30 vessels sailing to the Port of Jiangyin (Jiangsu Province, China). ARB were detected in 83.
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