主题词：Gut microbiota and health; Probiotics and Fermented Foods; Clostridium difficile and Clostridium perfringens research; Infant Nutrition and Health; Diet and metabolism studies; Bacteriophages and microbial interactions; Genomics and Phylogenetic Studies; Gastrointestinal motility and disorders; Microbial Community Ecology and Physiology; Digestive system and related health; Microbial Metabolites in Food Biotechnology; Pediatric health and respiratory diseases; Drug Transport and Resistance Mechanisms; Metabolomics and Mass Spectrometry Studies; Tryptophan and brain disorders; Insect symbiosis and bacterial influences; Bacterial Genetics and Biotechnology; Breastfeeding Practices and Influences; Dietary Effects on Health; Cancer Research and Treatments; Food composition and properties; Animal Nutrition and Physiology; Oral microbiology and periodontitis research; Helicobacter pylori-related gastroenterology studies; Liver Disease Diagnosis and Treatment