简介:为探讨植物乳杆菌ATCC8014和植物乳杆菌CGMCC1.103对包括寄生曲霉NRRL2999在内的5株曲霉孢子活性的影响,将曲霉孢子接种到植物乳杆菌24hMRS培养液中,28℃培养24h后检测孢子的活性.结果显示:植物乳杆菌ATCC8014和植物乳杆菌CGMCC1.103对5株曲霉孢子均有灭活作用.镜下观察植物乳杆菌ATCC8014将寄生曲霉NRRL2999的孢子灭活,使其不能发育成菌丝,故也不能生长.
简介:ThepresentstudywasdesignedtoexplorethesubstratescopeandbiocatalyticcapabilityofGliocladiumdeliquescensNRRL1086onphenolicnaturalproducts.EmodinwassubjectedtothefermentationcultureofGliocladiumdeliquescensNRRL1086accordingtothestandardtwo-stageprotocol.ThebiotransformationprocesswasmonitoredbyHPLC-DAD-MS,themainproductwasisolatedbycolumnchromatography,andthestructurewaselucidatedonthebasisofNMRspectroscopy.EmodincouldbefullymetabolizedbyGliocladiumdeliquescensNRRL1086,resultinginhighyieldofemodin6-O-β-D-glucopyranosideandsmallamountofsulfatedproduct.Inconclusion,ourresultsmayprovideaconvenientmethodtoprepareemodin6-O-β-D-glucopyranosideandthemicrobecatalyzedglucosylation/sulfationwillgiveaninspirationtopharmacokineticmodelstudiesinvitro.
简介:在浩瀚无垠的大海里生活着许多小生灵,其中蟹是一个大家族,海里的蟹一般都很大,宛若果盘。一天,一个富翁来到海边散步,眼里含着忧虑。一阵潮水过后,富翁在海滩上看到一种