羟苯乙酯是短短芽胞杆菌FJAT-0809-GLX的主要抑菌活性物质,为提高该菌株发酵液中羟苯乙酯的产量,本研究采用响应面法对其发酵培养基成分进行优化研究.首先通过单因素试验,对发酵培养基中的碳源、氮源和无机盐进行了优化,结果表明,培养基最佳碳源、氮源和无机盐分别为DL-苹果酸、蛋白胨和NaCl.进一步,通过Plackett-Buiman设计对培养基的影响因素进行筛选,结果表明,影响显著的3个因素分
Naturally fermented dairy products contain a rich microbial biodiversity.This study aimed to provide an overview on the bacterial microbiota biodiversity of 85 samples,previously collected across a wi
The Bacillus cereus group comprises eleven closely related species that have attracted increasing attention for their epidemiologic and economic significance,however,little is known about their ecolog
The aim of this study was to evaluate the effect of different extra carbon sources on nitrogen loss control and the change of bacterial populations in sewage sludge composting.Four amendments,glucose,
Tetrodotoxin (TTX) is a neurotoxin produced by many marine bacteria and often bioconcentrated along the food chain including several species of puffer fish[1].Human cases of TTX poisoning from consump
Using broiler lines selected based on fatness traits,we investigated how the gut microbiota is linked to obesity.We combined 16S rRNA-pyrosequencing and whole genome sequencing to analyze the fecal me
Koumiss is considered as a complete dairy product high in nutrients and with medicinal properties.The bacterial communities involved in production of koumiss play a crucial role in the fermentation cy
[Objective]To study the diversity and bioactivity of endophytic actinomycetes isolated from mangrove plants collected in Macao and find the resources of medicinal microorganisms.[Methods]Twelve plant
The gut microbiota of Mongolian hosts has distinctive characteristics due to their meat-and dairy-oriented daily diets and unique genotype.The aim of the present study was to investigate the effect of
The Bai group is one of the 15 largest Chinese ethnic minorities.However,currently only limited knowledge is available on the intestinal microbiota of the Bai population.This study profiled the fecal