Phytochemical research of aerial parts led to isolation of 12 secondary metabolites, including one new 3-benzoxepin glucoside, perillafrutoside A (), one new megastigmane glycoside, perillafrutoside B (), and 10 known compounds. Their chemical structures were identified based on 1D/2D NMR, HRESIMS, and ECD spectroscopic analyses. The structure of was elucidated based on revision of the previously reported stereoisomer, (6,9)-blumenyl α-L-rhamnopyranosyl-(1→6)-β-D-glucopyranoside. Evaluation of their antimicrobial effect revealed that compounds and inhibit growth, compounds , and suppress growth, whereas compounds and attenuate growth. This is the first report of the isolation of , and from the genus and the antimicrobial effect of compounds , and .
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http://dx.doi.org/10.1080/14786419.2022.2138871 | DOI Listing |
Bio Protoc
January 2025
Department of Vegetable Science, College of Horticulture, China Agricultural University, Beijing, China.
Cucumber () trichomes play a critical role in resisting external biological and abiotic stresses. Glandular trichomes are particularly significant as they serve as sites for the synthesis and secretion of secondary metabolites, while non-glandular trichomes are pivotal for determining the appearance quality of cucumbers. However, current methods for separating trichomes encounter challenges such as low efficiency and insufficient accuracy, limiting their applicability in multi-omics sequencing studies.
View Article and Find Full Text PDFHeliyon
January 2025
Institute of Biology, Faculty of Sciences, University of Pécs, H-7624, Pécs, Hungary.
In the global effort to discover or design new effective antibiotics to fight infectious diseases, the increasingly available multi-omics data with novel bioinformatics tools open up new horizons for the exploration of the genetic potential of bacteria to synthesize bioactive secondary metabolites. Rare actinomycetes are a prolific source of structurally diverse secondary metabolites that exhibit remarkable clinical and industrial importance. Recently several excellent genome mining tools have been available for identifying biosynthetic gene clusters, however in cases of poor-quality sequences and inappropriate genome assembly, these tools are not always able to identify the corresponding gene clusters.
View Article and Find Full Text PDFClin Ophthalmol
January 2025
Department of Ophthalmology, Tong Ren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, People's Republic of China.
Purpose: The aim of this study was to identify metabolic biomarkers and investigate the metabolic changes associated with aqueous humor in retinal vein occlusion macular edema (RVO-ME).
Methods: Aqueous humor (AH) samples were collected from patients, including those diagnosed with central retinal vein occlusion macular edema (CRVO-ME), branch retinal vein occlusion macular edema (BRVO-ME), and a control group undergoing cataract surgery. Liquid chromatography-tandem mass spectrometry (LC-MS/MS) was utilized to analyze the metabolomic profiles in aqueous humor.
World J Microbiol Biotechnol
January 2025
CSIR-National Botanical Research Institute (CSIR-NBRI), Rana Pratap Marg, Lucknow, India.
Plants and microorganisms coexist within complex ecosystems, significantly influencing agricultural productivity. Depending on the interaction between the plant and microbes, this interaction can either help or harm plant health. Microbes interact with plants by secreting proteins that influence plant cells, producing bioactive compounds like antibiotics or toxins, and releasing molecules such as N-acyl homoserine lactones to coordinate their behaviour.
View Article and Find Full Text PDFAgeing Res Rev
January 2025
i+HeALTH Strategic Research Group, Department of Health Sciences, Miguel de Cervantes European University (UEMC), 47012 Valladolid, Spain; Physical Activity and Health Research Group (PaHerg), Research Institute of the Hospital 12 de Octubre ('imas12'), 28041 Madrid, Spain. Electronic address:
Accumulating evidence suggests that gut microbiota (GM) plays a crucial role in Alzheimer's disease (AD) pathogenesis and progression. This narrative review explores the complex interplay between GM, the immune system, and the central nervous system in AD. We discuss mechanisms through which GM dysbiosis can compromise intestinal barrier integrity, enabling pro-inflammatory molecules and metabolites to enter systemic circulation and the brain, potentially contributing to AD hallmarks.
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