搜索结果: 1-15 共查到“Pseudomonas”相关记录83条 . 查询时间(0.085 秒)
具有III型分泌系统的Pseudomonas moraviensis FP1761植物益生功能及其全基因组分析
摩拉维亚假单胞菌 生物防治 植物益生菌 全基因组分析 III型分泌系统
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2020/12/24
本研究从节瓜根际分离到一株具有防病促生功能的荧光类假单胞菌FP1761。该菌株对部分植物病原真菌和细菌具有拮抗能力,能够解钾、解有机磷和无机磷,可产生氨、蛋白酶、嗜铁素、吲哚乙酸。生物测定表明菌株FP1761可显著促进小麦生长。生理生化、平均核苷酸相似度、16S rDNA和多基因分析将FP1761鉴定为摩拉维亚假单胞菌(Pseudomonas moraviensis)。菌株FP1761基因组草图全...
梨灰霉病菌拮抗细菌Pseudomonas extremorientalis的鉴定、发酵条件优化及防效评价
梨 灰葡萄孢 Pseudomonas extremorientalis 鉴定 发酵条件 防效
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2019/12/30
灰霉病是梨贮藏期的主要病害，发病率高，为害严重。为了有效控制该病害发生，利用平皿稀释法从梨根际土壤中分离内生细菌，并采用琼脂平板扩散法进行抑菌活性初筛，筛选出1株拮抗细菌L21，基于形态特征、生理生化特性及16S rRNA和gyrB序列分析，鉴定为Pseudomonas extremorientalis。采用生长速率法测定菌株L21的无菌发酵液对12种病原真菌均有抑制作用，采用Salkowski比...
Biofilm formation by Pseudomonas aeruginosa and disinfectant susceptibility of planktonic and biofilm cells
mode of existence disinfection fluorescence microscopy
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2016/7/6
Epifluorescence microscopy (EFM) was used to study the biofilm formation of Pseudomonas aeruginosa after 6, 24, 30, 48, 54, 72, 78, and 96 h growth in a chamber slide system. For this purpose, the bio...
Pseudomonas flava WD-3固定化技术及其强化SBR污水处理的应用研究
Pseudomonas flava WD-3 固定化 SBR工艺 一级动力学模型
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2016/5/24
由南四湖底泥中分离纯化出一株低温菌Pseudomonas flava WD-3,为提高其处理污水的效率并实现重复利用,本试验选取在低温(6~8℃)条件下,采用天然材料海藻酸钠(SA)和人工合成材料聚乙烯醇(PVA)共同作用的复合材料为包埋载体,利用正交试验探索其最优的固定化条件;并将最优的Pseudomonas flava WD-3固定化小球投入到SBR污水处理工艺中,探究其投加量和水力停留时间对...
Pseudomonas flava WD-3对人工湿地中土著微生物量及酶活性的影响研究
人工湿地 Pseudomonas flava WD-3 土壤微生物 土壤酶活性 污水净化
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2016/4/15
从山东南四湖人工湿地的底泥中分离驯化出在低温条件下生长速率及代谢速率最高的一株菌,经形态特征、生理生化特性及16SrDNA序列分析鉴定,确定该菌株为黄假单胞菌(Pseudomonas flava),命名为Pseudomonas flava WD-3.同时,探索了在北方冬季条件下,该菌投加到人工湿地中在提高废水处理效率的同时,对湿地中土著可培养微生物类群数量和酶活性的影响.结果表明:随着Pseudo...
Molecular mechanisms of ceftazidime resistance in Pseudomonas aeruginosa isolates from canine and human infections
ampC ampR extended spectrum β-lactamases
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2015/4/8
Sixty-six clinical P. aeruginosa isolates, 17 obtained from canine otitis specimens and 49 received from human patients with bloodstream infections, were collected between February 2007 and January 20...
Differential Phenolic Accumulation in Two Hypericum Species in Response to Inoculation with Diploceras hypericinum and Pseudomonas putida
fungal pathogen Hypericum perforatum Hypericum triquetrifolium
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2015/3/11
The genus Hypericum L. (St. John’s-wort, Hypericaceae) has received scientific interest in recent years, because it is a
source of a variety of bioactive compounds including the phenolics. We determ...
Interactive Effect of AM Fungi with Trichoderma viride and Pseudomonas fluorescens on Growth and Yield of Broccoli
Acaulospora laevis Brassica oleracea L. var. italica
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2015/3/10
Most of the vegetable crops are known to depend upon arbuscular mycorrhizal fungal (AM) symbiosis for growth
and development, since AM fungi provide nutrients and water in exchange for photosynthate...
Characterising the Genetic Diversity of Pseudomonas syringae pv. syringae Isolated from Rice and Wheat in Iran
bacterial pathogen population genetic structure host preference RAPD
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2015/3/9
Sheath rot of rice and leaf blight of wheat caused by Pseudomonas syringae pv. syringae are the important bacterial pathogens of rice and wheat in Iran. The randomly amplified polymorphic DNA (RAPD) m...
Management of Bacterial Blight of Cotton Using a Mixture of Pseudomonas fluorescens and Bacillus subtilis
biological control Pseudomonas fluorescens Bacillus subtilis
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2015/3/5
The potential of antagonistic rhizobacteria in the management of bacterial blight of cotton caused by Xanthomonas
axonopodis pv. malvacearum (Xam) was evaluated under greenhouse and field conditions...
Pseudomonas marginalis Associated with Soft Rot of Zantedeschia spp.
bacterial soft rot Zantedeschia spp. Pseudomonas marginalis
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2015/3/2
The percentage of diseased plants of the total plants in the plot was around 10%.
When inoculated into potato tuber slices, strains of P. marginalis and P. c. subsp. carotovorum produced soft
rot....
First report of Pseudomonas savastanoi pv. nerii on oleander in the Czech Republic
bacterial knot of oleander Pseudomonas savastanoi pv. nerii Nerium oleander Czech Republic
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2015/2/2
The bacterium Pseudomonas savastanoi pv. nerii was identified as the causal agent of parenchymatous galls on leaves of potted oleander plants grown at Brno, Moravia, in 2004. The plants had originated...
Inhibitory effect of Pseudomonas spp. on the development of Botrytis cinerea and Penicillium expansum
biocontrol blue mold gray mold microbial interaction mechanism of biocontrol
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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...
Oxidative stress responses in Escherichia coli and Pseudomonas aeruginosa
Aerobic respiration reactive oxygen species ROS damage biological molecules cells detoxification oxidative stress transcription factors signal differential gene expression escherichia coli pseudomonas aeruginosa
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2015/1/28
Aerobic respiration generates unavoidable reactive oxygen species (ROS, detrimental by-products that damage biological molecules. The accumulation of ROS beyond the cellular capacity for detoxificatio...
耐冷亚硝酸盐型反硝化细菌Pseudomonas putida Y-12脱氮特性
温室气体 反硝化活性 景观水处理
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2015/11/5
研究了温度、转速、pH、接种量、碳源和亚硝酸盐氮浓度对耐冷反硝化细菌Pseudomonas putida Y-12去除亚硝酸盐氮和总氮的影响,在此基础上,初步考察了反硝化脱氮产物中温室气体(CO2和N2O)的含量,探索了对富营养化景观水体中亚硝酸盐氮和总氮的去除能力.结果表明:Y-12菌株去除亚硝酸盐氮和总氮的最佳碳源为柠檬酸钠,在15℃和pH为7.2条件下,该菌以柠檬酸钠为唯一碳源对亚硝酸盐氮和...