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Paenibacillus larvae幼虫芽孢杆菌PCR试剂盒上海圻明生物优势供应。更多产品资料欢迎免费咨询。
One of the many important uses of PCR technology is that it can be used to label DNA probes with high specific activity. PCR technology has high specificity, and can synthesize probe DNA fragments in quantities within 1~2h if [α-32P]dNTP or other markers are added to the substrate
dNTPs, the probe DNA can be well labeled during DNA synthesis, and the incorporation rate of the marker can be as high as 70%~80%. Therefore, PCR labeling technology is particularly suitable for large-scale detection and non-radiolabeling. The disadvantage of this method is that a specific pair of PCR primers is synthesized.
Labeling can also be achieved by using small fragments prepared from probe DNA as primers.
Solution preparation
1. Prepare a stock solution
Unless otherwise stated, all unused stock solutions should be divided into disposable aliquots and stored at -20 °C after preparation. Avoid repeated freeze-thaw cycles.
1.1* Acid Stock Solution (125X):
Add 20 μL DMSO to *ate (component B) to make a 125X* acid stock solution.
2. Prepare standard solutions
*Salt standard solution
Add 50 μL of 1 mM KH2PO4 (Component C) to 950 μL of deionized water or enzyme reaction buffer to give a 50 μM * saline standard solution (PS7). A 50 μM * saline standard solution (PS7) was taken and serially diluted 1:2 to obtain a serially diluted phosphate standard with deionized water or enzyme reaction buffer.
3. Prepare a working solution
Add 20 μL of 125X* stock solution to 2.5 mL of sterile H2O and mix well to make a working solution of *salt. Avoid potential Pi contamination. Note: Avoid direct exposure of *salts (component B) to light. Due to the high sensitivity of this assay to Pi, it is extremely important to use Pi-free labware and reagents.
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文献和实验引起破伤风；肉毒梭菌、产气荚膜梭菌和蜡状芽孢杆菌引起食物中毒；韦氏梭菌和产气荚膜梭菌引起气性坏疽。对人有利的芽孢菌有枯草芽孢杆菌，产生工业或医疗用的蛋白酶、淀粉酶；丙酮丁醇梭菌用于生产丙酮丁醇；多粘芽孢杆菌生产多粘菌素；地衣芽孢杆菌生产杆菌肽；著名的细菌杀虫剂——苏云金芽孢杆菌能杀死100多种鳞翅目的农林害虫，现已扩大到杀蚊、蝇幼虫；日本甲虫芽孢杆菌、幼虫芽孢杆菌和缓病芽孢杆菌可用于防治蛴螬等地下害虫。芽孢杆菌分解有机物能力强，在自然界的元素循环中起重要作用。有些种（如多粘芽孢杆菌和巴氏梭菌
最初从德国苏芸金（ Thuringen）地区一个面粉厂死亡的地中海粉螟中分离出的、对昆虫有致病性的芽孢杆菌， 1915年正式定为此名。现以鞭毛抗原的血清学反应为主要依据，参照生理生化反应的不同，将苏芸金杆菌分为 22个血清型， 30个变种。此菌在芽孢形成期，在细胞内可同时形成一个蛋白质晶体，称为伴孢晶体。晶体的着色性能与其他细胞物质相似，在与芽孢相对的一侧菌体中形成，很易与芽孢分开。晶体形状多为菱形或方形，当培养基中动物性蛋白质丰富时，可形成大而典型的晶体。在幼虫肠道中，当晶
双球菌NG，巨细胞病毒CMV，结核分支杆菌Mtb、禽流感、阪崎肠杆菌、口蹄疫、新城疫、猪瘟、大肠埃希菌O157∶H7、沙门菌、炭疽芽孢杆菌、胸膜肺炎放线杆菌、寄生虫病等。 PCR仪的应用范围广，几乎所有的生命科学领域都要涉及：食品检测、临床检验、疾病控制、检验检疫、科研实验室、食品安全、化妆品检测、环境卫生等。国内多家试剂厂商生产了包括肝炎、性病、优生优育、呼吸道疾病、禽流感、阪崎肠杆菌、口蹄疫、新城疫、猪瘟、大肠埃希菌O157∶H7、沙门菌、炭疽芽孢杆菌、胸膜肺炎放线
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