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Prevalence of nasopharyngeal bacteria during naturally occurring bovine respiratory disease in commercial stocker cattle.
PeerJ
January 2025
Department of Animal Science, University of Tennessee-Knoxville, Knoxville, TN-Tennessee, United States.
Bovine respiratory disease (BRD) is one of the most common economic and health challenges to the beef cattle industry. Prophylactic use of antimicrobial drugs can alter the microbial communities in the respiratory tract. Considering that the bovine upper respiratory tract microbiome has been associated with generalized health, understanding the microenvironment that influences this microbiome may provide insights into the pathogenesis of BRD.
View Article and Find Full Text PDFAntibiotic exposure enriches streptococci carrying resistance genes in periodontitis plaque biofilms.
PeerJ
January 2025
Department of Dental Materials, Peking University School and Hospital of Stomatology & National Center for Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, Beijing, China.
Background: Periodontitis is not always satisfactorily treated with conventional scaling and root planing, and adjunctive use of antibiotics is required in clinical practice. Therefore, it is important for clinicians to understand the diversity and the antibiotic resistance of subgingival microbiota when exposed to different antibiotics.
Materials And Methods: In this study, subgingival plaques were collected from 10 periodontitis patients and 11 periodontally healthy volunteers, and their microbiota response to selective pressure of four antibiotics (amoxicillin, metronidazole, clindamycin, and tetracycline) were evaluated through 16S rRNA gene amplicon and metagenomic sequencing analysis.
Phenotypic and genetic extended spectrum beta lactamase profiles of bacterial isolates from ICU in tertiary level hospital in Kenya.
F1000Res
January 2025
Department of Human Pathology, University of Nairobi, Nairobi, Nairobi County, Kenya.
Background: Bacterial infections in the Intensive Care Units are a threat to the lives of critically ill patients. Their vulnerable immunity predisposes them to developing bacteria-associated sepsis, deteriorating their already fragile health. In the face of increasing antibiotics resistance, the problem of bacterial infection in ICU is worsening.
View Article and Find Full Text PDFPrediction of the potentially suitable areas of in China based on Maxent and Marxan models.
Front Plant Sci
January 2025
School of Life Science, Shanxi Engineering Research Center of Microbial Application Technologies, Shanxi Normal University, Taiyuan, Shanxi, China.
Pall. () is an important medicinal plant in China with high ornamental value. Predicting the potential habitat of is crucial for identifying its geographic distribution characteristics and ensuring its ecological and economic importance.
View Article and Find Full Text PDFEffects of salt stress on plant and rhizosphere bacterial communities, interaction patterns, and functions.
Front Plant Sci
January 2025
Key Laboratory of Innovation of Forage Efficient Production Model, Ministry of Agriculture and Rural Affairs, Yinchuan, Ningxia Hui Autonomous Region, China.
Introduction: Salt stress significantly affects plant growth, and Na has gained attention for its potential to enhance plant adaptability to saline conditions. However, the interactions between Na, plants, and rhizosphere bacterial communities remain unclear, hindering a deeper understanding of how Na contributes to plant resilience under salt stress.
Methods: This study aimed to investigate the mechanisms through which Na promotes alfalfa's adaptation to salt stress by modifying rhizosphere bacterial communities.
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