The application of nanoparticles rose steeply in the last decade,where they have become a common ingredient used in processed human food,improving food properties such as shelf life and appearance.Nanoparticles have a...The application of nanoparticles rose steeply in the last decade,where they have become a common ingredient used in processed human food,improving food properties such as shelf life and appearance.Nanoparticles have also attracted considerable interest to the livestock industry,due to their efficacy in intestinal pathogen control,with the regulatory and consumer driven push for the removal of antibiotic growth promoters.The influence of selenium(Se) nanoparticles was investigated on a diverse and mature broiler caecal microbiota using in vitro culturing and 16 S rRNA gene sequencing methods for microbiota characterisation.Caecal microbiota was collected from 4 traditionally grown heritage roosters and grown for 48 h,in the presence and absence of Se nanoparticles,with 2 technical replicates each.The effect of rooster as a biological variable strongly overpowered the effects of nano-Se in the media,resulting in moderate effects on the structure and diversity of the caecal microbial community.However the nanoparticles showed a significant reduction(P <0.05) in the abundance of an emerging poultry pathogen,Enterococcus cecorum identical operational taxonomic units(OTU),which could be of notable interest in poultry production for targeted E.cecorum control without significant disturbance to the total microbial community.展开更多
肾移植是终末期肾病患者最有效的治疗手段之一,但术后受者需长期服用免疫抑制剂,易继发各种感染[1-3]。尤其是随着心脏死亡器官捐献(donation after cardiac death,DCD)供肾的广泛使用,进一步增加了感染风险[4],包括较少见的感染性心内...肾移植是终末期肾病患者最有效的治疗手段之一,但术后受者需长期服用免疫抑制剂,易继发各种感染[1-3]。尤其是随着心脏死亡器官捐献(donation after cardiac death,DCD)供肾的广泛使用,进一步增加了感染风险[4],包括较少见的感染性心内膜炎等。南昌大学第一附属医院器官移植科于2019年收治1例肾移植术后并发感染性心内膜炎致二尖瓣腱索断裂的受者,现报道如下。展开更多
基金funded internally by Central Queensland Universitythe scholarship from the Poultry CRC established by the Australian Government.
文摘The application of nanoparticles rose steeply in the last decade,where they have become a common ingredient used in processed human food,improving food properties such as shelf life and appearance.Nanoparticles have also attracted considerable interest to the livestock industry,due to their efficacy in intestinal pathogen control,with the regulatory and consumer driven push for the removal of antibiotic growth promoters.The influence of selenium(Se) nanoparticles was investigated on a diverse and mature broiler caecal microbiota using in vitro culturing and 16 S rRNA gene sequencing methods for microbiota characterisation.Caecal microbiota was collected from 4 traditionally grown heritage roosters and grown for 48 h,in the presence and absence of Se nanoparticles,with 2 technical replicates each.The effect of rooster as a biological variable strongly overpowered the effects of nano-Se in the media,resulting in moderate effects on the structure and diversity of the caecal microbial community.However the nanoparticles showed a significant reduction(P <0.05) in the abundance of an emerging poultry pathogen,Enterococcus cecorum identical operational taxonomic units(OTU),which could be of notable interest in poultry production for targeted E.cecorum control without significant disturbance to the total microbial community.
文摘肾移植是终末期肾病患者最有效的治疗手段之一,但术后受者需长期服用免疫抑制剂,易继发各种感染[1-3]。尤其是随着心脏死亡器官捐献(donation after cardiac death,DCD)供肾的广泛使用,进一步增加了感染风险[4],包括较少见的感染性心内膜炎等。南昌大学第一附属医院器官移植科于2019年收治1例肾移植术后并发感染性心内膜炎致二尖瓣腱索断裂的受者,现报道如下。
