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海洋来源真菌Penicillium pinophilum次级代谢产物中Azaphilones类化合物的分离及抗菌活性
海洋真菌 Penicillium pinophilum Azaphilone类化合物 绝对构型 抗菌活性
2019/1/21
采用硅胶、十八烷基硅烷键合硅胶填料（ODS）和Sephadex LH-20凝胶柱层析等手段从一株渤海来源真菌Penicillium pinophilum次级代谢产物中分离得到3个Azaphilones类化合物：Pinophilin G（1），Pinophilin B（2）和Sch 725680（3），其中，化合物1为新化合物. 通过核磁共振波谱（1H NMR，13C NMR）、长程异核位移相关谱（...
Potential of some bacteria for biological control of postharvest citrus green mould caused by Penicillium digitatum
Bacillus spp. biocontrol citrus green mould postharvest disease Agrobacterium radiobacter
2017/6/26
Ten bacteria isolate (4 Bacillus subtilis, 2 Bacillus pumilus, 2 Bacillus cereus, 1 Bacillus megaterium, and 1 Agrobacterium radiobacter) were tested in vitro for antagonistic properties against Penic...
Inhibitory effect of Pseudomonas spp. on the development of Botrytis cinerea and Penicillium expansum
biocontrol blue mold gray mold microbial interaction mechanism of biocontrol
2015/1/30
The influence of antagonistic Pseudomonas spp. on the development of Botrytis cinerea and Penicillium expansum was studied in liquid cultures. Two strains of Pseudomonas spp. (B194 and B224), original...
First report of Penicillium spp. and Pilidiella granati causing postharvest fruit rot of pomegranate in Spain
Punica granatum blue mold
2014/11/25
In a survey of pomegranate (Punica granatum) postharvest losses in commercial packinghouses in Spain, blue mould symptoms, or circular lesions of soft, brown tissues that expanded rapidly and were cov...
目的:提高海洋扩展青霉(Penicillium expansum)产耐盐型果胶酶的酶活力。方法:测定海洋扩展青霉所产果胶酶的耐盐性;通过单因素和正交实验,对海洋扩展青霉产耐盐型果胶酶进行固态发酵优化;利用SPSS 20.0分析实验结果。结果:该果胶酶在底物所含Na Cl浓度为30g/L时,酶活力最高,在Na Cl浓度为0~60g/L范围内较稳定。最优培养基为:麸皮7g,果胶粉0.42g,氯化铵0....
The Substrate Carbon Consumption and Metabolite Production to Describe the Growth of Geotrichum candidum and Penicillium camemberti on Glucose and Amino Acids
batch culture carbon substrates Geotrichum candidum Penicillium camemberti unstructured models biomass yield
2010/8/11
Amino acids had previously been characterized based on their ability to be assimilated as carbon sources by Penicillium camemberti and Geotrichum candidum. For each microorganism, three groups of amin...
一株异养氨氧化青霉（Penicillium sp.）特性研究
好氧堆肥 异养氨氧化 青霉 次级代谢
2010/4/1
【目的】对分离自鸡粪好氧堆肥的一株氨氧化青霉（Penicillium sp.）M25-22进行异养氨氧化特性的研究,为该菌在鸡粪等固体废弃物好氧堆肥过程中的应用提供依据。【方法】在以铵盐为唯一氮源的培养基中,研究该菌生成亚硝酸盐氮与硝酸盐氮的能力;调整培养基的碳源种类、氮源种类、蔗糖浓度、铵态氮浓度、pH和培养温度等,研究环境条件对该菌氨氧化能力的影响。【结果】该菌在以铵盐为唯一氮源的培养基中,菌...
真菌Penicillium sp. MO3 产生的抗菌肽AF2的分离纯化和性质的研究
真菌 抗菌肽 发酵 分离纯化
2009/11/19
从真菌Penicillium sp. M03发酵液中提取到一种具有抗菌活性的肽类物质AF2，并对其性质进行初步研究. 真菌发酵液经纱布过滤，离心后经10000D超滤膜超滤，冻干，以纯水溶解经Sephadex LH-20，DEAE Sepharose及Sephadex G-15进行分离纯化得到纯净物质，并对其基本性质进行研究. 结果证明：AF2具有典型的肽类物质特征反应，分子量约为1155，含有12...
对红树植物海杧果内生真菌Penicillium sp.发酵液的乙酸乙酯提取物进行了柱层析分离, 得到3个化合物, 经MS, NMR, 1H-1H COSY, HMQC和HMBC等鉴定, 分别为4-(3-hydroxybutan-2-yl)-3,6-dimethylbenzene-1,2-diol(1), 4-(3-hydroxybutan-2-yl)-3-methyl-6-acetylbenzen...
草酸青霉Penicillium oxalicum菌体吸附活性染料的性能及微观过程
活性染料 生物吸附 细胞结构
2009/11/12
研究了草酸青霉(Penicillium oxalicum)在模拟染料废水中以边生长边吸附的方式对活性翠蓝KN-G, M-GB, K-GL，活性黑K-BR、活性艳蓝M-BR、活性红紫K-3R和活性深蓝K-R 7种水溶性活性染料的脱色性能及吸附过程. 结果显示，生长菌体对7种活性染料具有良好的脱色性能，染料初始浓度为200 mg/L时，平均脱色率可达93.0%；染料初始浓度为400 mg/L时，活性翠...
Characterization of Glucose Oxidase from Penicillium notatum
Penicillium notatum glucose oxidase thermostability
2010/2/1
In the present study glucose oxidase (GOD) has been isolated from a culture filtrate of Penicillium notatum. The enzyme was purified by ammonium sulphate precipitation, diethylaminoethyl (DEAE) cellul...
一株异养氨氧化青霉（Penicillium sp.）特性研究
好氧堆肥 异养氨氧化 青霉 次级代谢
2010/3/16
【目的】对分离自鸡粪好氧堆肥的一株氨氧化青霉（Penicillium sp.）M25-22进行异养氨氧化特性的研究,为该菌在鸡粪等固体废弃物好氧堆肥过程中的应用提供依据。【方法】在以铵盐为唯一氮源的培养基中,研究该菌生成亚硝酸盐氮与硝酸盐氮的能力;调整培养基的碳源种类、氮源种类、蔗糖浓度、铵态氮浓度、pH和培养温度等,研究环境条件对该菌氨氧化能力的影响。【结果】该菌在以铵盐为唯一氮源的培养基中,菌...
Composition, radical scavenging and antifungal activities of essential oils from 3 Helichrysum species growing in Cameroon against Penicillium oxalicum a yam rot fungi
Helichrysum Asteraceae essential oil radical scavenging activity
2011/1/10
The chemical composition of essential oils from leaves of Helichrysum cameroonense Hutch. and Dalziel, Helichrysum cymosum Sensu C. D. Adam, Helichrysum globosum Sch. Bip. ex A. Rich. and flowers of H...
Effect of Nitrogen and Carbon Sources on Lipase Production by Penicillium aurantiogriseum
lipases Penicillium aurantiogriseum media optimization
2009/3/19
A wild fungal strain isolated from soybean oil and identified as Penicillium aurantiogriseum initially presented a volumetric lipase activity of 0.4 U/mL in submerged culture in a medium containing 0....
Isolation of an insecticidal compound oxalicine B from Penicillium sp. TAMA 71 and confirmation of its chemical structure by X-ray crystallographic analysis
Penicillium sp oxalicine insecticidal activity green peach aphid
2009/3/5
An insecticidal compound was isolated from Penicillium sp. TAMA 71 and showed 82% mortality against green peach aphid (Myzus persicae) at 100 ppm. The chemical structure of the compound was determin...