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- 芽胞杆菌科
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Sequences analysis revealsthat these 54 strains have as high as a 99% similarity in 16S rRNA gene level. Allthese 54 strains could be classified into six subgroups according to six differentregions on full-length 16S rRNA gene. Even if the regional differences are not evidentto distinguish B. thuringiensis from B. cereus, however the data of the 16S rRNA genesequences will serve to broaden the database for Bacillus, and provide someinformation for the classification of genus of Bacillus. Additionally, seven B.
本研究利用通用引物,对54株苏云金芽胞杆菌和蜡状芽胞杆菌的16S rRNA基因进行测序,并对所得到的序列进行简单的分析,发现苏云金芽胞杆菌和蜡状芽胞杆菌的16S rRNA基因的相似性很大,大约为99%,在其全长含有6个区域的不同,根据这6个区域将Bt和Bc分成6个亚群,而Bt和Bc在不同亚群之间交替存在,说明16S rRNA基因上的差异不足以区分Bt和Bc。
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Strains containing cry1 genes were the most abundant in our collection (66%), and 21 different cry1-type gene combinations were found. Furthermore, several novel holotype cry genes were found and the full-length sequences of 3 novel cry genes were designated as cry54Aa1, cry30Fa1, and cry30Ga1 by B.
PCR-RFLP鉴定结果表明:此地区的苏云金芽胞杆菌主要含有cry1,cry2,cry3,cry4/10,cry9,cry30和 cry40 等7种cry基因类型;含cry1基因的菌株最丰富,共有21种不同cry1型基因组合;从中发现了新型模式基因,并采用Tail-PCR技术获得了其中3个基因的全长序列,被国际苏云金芽胞杆菌杀虫晶体蛋白基因命名委员会命名为cry54Aa1、cry30Fa1和cry30Ga1。
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But the research about the relation between production of ICPs and sporulation genes is less.
本研究利用苏云金芽胞杆菌全基因组序列,初步研究了芽胞形成相关基因与杀虫蛋白基因表达、调控的相互关系。
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Seven major bacterial isolates were obtained and purified. Their 16S rRNA genes were amplified by PCR for sequencing and their identities were determined with homology comparisons. Five of the seven isolates belong to Actinomycetales including Kocuria KD139, Rhodococcus KD140, Rhodococcus KD142, Arthrobacter KD230, and Arthrobacter KD232; one is classified as Bacillus d KD178; and another one as Stenotrophomonas KD237. The phylogenetic tree was also constructed based on the analysis of 16S rRNA gene sequences.
通过对分离菌株的16S rRNA基因序列进行分析,发现其中5株细菌分别属于放线菌目的考克氏菌属(KD139)、红球菌属(KD140和KD142)和节杆菌属(KD230和KD232), 1株细菌属于杆菌目的芽胞杆菌d属(KD178),另外1株细菌属于黄色单孢菌目的寡食单胞菌属(KD237);同时我们构建了系统进化树,确定分离菌株的相对进化地位。
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To test the antibacterial effect of MEBO against anaerobic spore-bearing bacillus, anaerobic non-spore-bearing bacillus (Bacteroides fragilis, propionibacterium acnes) and fungi, etc.
本实验观察了MEBO使厌氧芽胞杆菌——破伤风杆菌、厌氧无芽胞杆菌——脆弱类杆菌和痤疮丙酸杆菌、真菌——白色念珠菌等在形态结构、菌落特点和致病性等方面发生变异。
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Strains of endophytic bacteria were isolated from four cotton varieties after a strict surface-sterilization among which, 102 strains were subordinate to Pseudomonas, Erwinia, Xanthomoas and Bacillus genera.
从4个不同棉花品种体内分离到内生菌503株,鉴定了102株,分别属于假单胞杆菌属、黄单胞杆菌属、芽胞杆菌属和欧文氏菌属。
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Methods]The application of AFLP in severalpathogens(such as Legionella pneumophila, Flavobacterium, Aeromonas, Clostridium,Bacillus, Acinetobacter, Pseudomonas, Vibrio, Helicobacter pylori and Group AStreptococcal)was reviewed and especially compared with other molecular epidemiologicalmethods.[Results]AFLP shares many characteristics with other genomic fingerprintingmethods.
方法]对近年来AFLP技术在几种病原菌(嗜肺军团菌、黄杆菌属、气单胞菌属、梭状杆菌属、芽胞杆菌属、不动杆菌属、假单胞菌属、弧菌属、幽门螺杆菌和A组链球菌)的应用进行综述,并与其它分子流行病学方法进行比较。
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The number of autoterophic bacteria were significantly lower than the heterotrophic bacteria. Majority of 21 strains of heterotrophic bacteria that isolated from water body were Pseudomonas. Majority of 25 strains of heterotrophic bacteria isolated from sediment were bacillus, microccus and Pseudomonas.Three genus of autotrophic bacteria were sulphuret bacteria, nitrify bacteria and nitrosobacteria that were capable of oxidizing H2S, S, FeS, oxidizing NH3 to NO2 and NO2 to NO3 respectively.
试验稚鳖池水中共分离出21株异养细菌,其中优势菌为假单胞杆菌属细菌;底泥中共分离出25株异养细菌,其中优势菌为芽胞杆菌属细菌,微球菌属细菌假单胞菌属细菌,三种自养细菌分别为具有氧化硫化氢、元素硫或硫化亚铁的硫细菌;具有氧化氨为亚硝酸的亚硝化细菌和能将亚硝酸进一步转化成硝酸的硝化细菌。
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For example, it is a pathogenic bacterium and has endotoxins; it secretes protein into the periplasm and often into inclusion bodies. Bacillus subtilis is an attractive host for the production of heterologous secretory proteins. Many genes has succeed expressed in Bacillus subtilis, and the plasmid vectors for Bacillus subtilis are now taken from other genus bacterium, such as Staphylococcus aureus or lactococcus lactis and so on. As it is clear to known that these plasmids are far from optimal for Bacillus subtilis, because of low efficiencies of cloning and high levels of replicating instability.
枯草芽胞杆菌是目前原核表达系统中分泌表达外源蛋白较理想的宿主,近几年已在枯草芽胞杆菌中成功表达了多种基因,但大多都应用来源于金黄色葡萄球菌、乳酸杆菌等的载体来表达外源基因,由于其在枯草芽胞杆菌中存在分离复制的不稳定及外源基因的克隆表达效率低的现象,故都不是枯草芽胞杆菌的最佳选择,还有待改进。
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Clostridium difficile was isolated and confirm ed by using George method. Cytotoxins were tested by adopting mimic-Chang m ethod. Results?The patients in this study used variety of antibiotics with the predominance of cephalosporin and ampicillin.
对8例老年病人难辨梭状芽胞杆菌性结肠炎进行回顾性分析,采用George方法对难辨梭状芽胞杆菌分离、鉴定,仿Chang法行细胞毒素测定。
- 更多网络解释与芽胞杆菌相关的网络解释 [注:此内容来源于网络,仅供参考]
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Bacillus cereus:蜡样芽胞杆菌
结果发现,其中两个样本出现问题,一个是来自上水"家和盆菜专家"的盆菜,被验出含有病菌"产气荚膜梭状芽胞杆菌"(Clostridium perfringens)和"蜡样芽胞杆菌"(Bacillus cereus),分别每克含有1200万个和50万个,超出法例标准1200倍和5倍.
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bce Bacillus cereus:蜡样芽胞杆菌
176 bbe Bacillus brevis/短芽胞杆菌 | 177 bce Bacillus cereus/蜡样芽胞杆菌 | 178 bci Bacillus circulans/环状芽胞杆菌
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Clostridium tetani:破伤风梭状芽胞杆菌
其实也就是在不久后的1884年,破伤风的病原体--破伤风梭状芽胞杆菌(Clostridium tetani)--就被确定了. 破伤风梭状芽胞杆菌长的很像网球拍(这个形象的比喻不是我想出来的,是抄的. ),有很强的适应环境的能力,泥土朽木岩石甚至动物粪便中,
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Bacillus megatherium:巨大芽胞杆菌,巨大芽胞杆菌
Bacillus licheniformis 地衣芽孢杆菌 | Bacillus megatherium 巨大芽胞杆菌,巨大芽胞杆菌 | Bacillus mesentericus 马铃薯杆菌
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bacilli:[芽胞]杆菌
bacilli [芽胞]杆菌 | bacillus 杆菌,杆菌属,芽胞杆菌属 | bacterial 细菌的,细菌引起的
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clostridial infection:梭状芽胞杆菌感染
梭状芽胞杆菌 clostridium | 梭状芽胞杆菌感染 clostridial infection | 梭状芽胞杆菌性肌坏死 clostridial myonecrosis
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clostridial cellulitis:梭状芽胞杆菌蜂窝织炎
梭状芽胞杆菌性肌坏死 clostridial myonecrosis | 梭状芽胞杆菌蜂窝织炎 clostridial cellulitis | 副神经损伤 injury of accessory nerve
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clostridial myonecrosis:梭状芽胞杆菌性肌坏死
梭状芽胞杆菌感染 clostridial infection | 梭状芽胞杆菌性肌坏死 clostridial myonecrosis | 梭状芽胞杆菌蜂窝织炎 clostridial cellulitis
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Sporeforming bacillus ; Sorebearing bacillus:产芽胞杆菌
芽胞染色 Spore staining | 产芽胞杆菌 Sporeforming bacillus ; Sorebearing bacillus | 芽胞性繁殖 Sporogenous propagation or reproduction
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Bacillus megatherium:巨大芽胞杆菌,巨大芽胞杆菌
Bacillus licheniformis ==> 地衣芽孢杆菌 | Bacillus megatherium ==> 巨大芽胞杆菌,巨大芽胞杆菌 | Bacillus mesentericus ==> 马铃薯杆菌