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Rumen protozoa and viruses: New insights into their diversity and potential roles through omics lenses-A review.
J Dairy Sci
January 2025
Department of Animal Sciences, Center of Microbiome Science, The Ohio State University, Columbus, OH 43210.
The rumen microbiome is essential for breaking down indigestible plant material, supplying ruminants with most of their metabolizable energy and protein. While research has primarily focused on bacteria and archaea, protozoa and viruses (phages) have only gained attention in recent years. Protozoa contribute to feed digestion and fermentation, but as predators, they regulate microbial populations by lysing large quantities of microbial cells (the primary protein source for ruminants) and influence the amount of microbial protein reaching the small intestines, along with other mechanisms of interactions.
View Article and Find Full Text PDFExploring the Complex Interplay of Blastocystis, Morbid Obesity, and Bariatric Surgery on Gut Microbial Dynamics.
Microb Pathog
January 2025
Department of Nutrition and Dietetics, Faculty of Health Sciences, Hacettepe University, Ankara, Türkiye.
This study examines Blastocystis dynamics in 15 individuals undergoing sleeve gastrectomy. Molecular detection involved DNA extraction, RT-PCR, and sequencing, while 16S rRNA sequencing via Illumina MiSeq analyzed the intestinal microbiome. Statistical analysis through SPSS considered a significance level of p<0.
View Article and Find Full Text PDFMulti-omics dataset of individual variations in growth performance of large yellow croaker.
Sci Data
January 2025
Key Laboratory of Marine and Estuarine Fisheries, Ministry of Agriculture, East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Shanghai, 200090, China.
Large yellow croaker (Larimichthys crocea) is a highly economically important marine fish species in China. However, substantial individual variations in growth performance have emerged as a limiting factor for the sustainable development of the large yellow croaker industry. Gut microbiota plays a crucial role in fish growth and development by regulating metabolic processes.
View Article and Find Full Text PDFAccounting for the role of the gastro-intestinal tract in the ammonia and urea-N dynamics of freshwater rainbow trout on long-term satiation feeding.
J Exp Biol
January 2025
Department of Zoology, University of British Columbia, Vancouver, BC V6T 1Z4, Canada.
The contribution of the gut to the ingestion, production, absorption, and excretion of the extra ammonia and urea-N associated with feeding ("exogenous" fraction) has received limited prior attention. Analysis of commercial pellet food revealed appreciable concentrations of ammonia and urea-N. Long term satiation-feeding increased whole trout ammonia and urea-N excretion rates by 2.
View Article and Find Full Text PDFBioenergetic adaptations of small intestinal epithelial cells reduce cell differentiation enhancing intestinal permeability in obese mice.
Mol Metab
January 2025
Institut Numecan, INRAE, INSERM, Univ Rennes, Rennes, France. Electronic address:
Background: Obesity and overweight are associated with low-grade inflammation induced by adipose tissue expansion and perpetuated by altered intestinal homeostasis, including increased epithelial permeability. Intestinal epithelium functions are supported by intestinal epithelial cells (IEC) mitochondria function.
Methods And Results: Here, we report that diet-induced obesity (DIO) in mice induces lipid metabolism adaptations favoring lipid storage in IEC together with reduced number, altered dynamics and diminished oxidative phosphorylation activity of IEC mitochondria.
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