库存 :24rxn
英文名 :riboPOOL 24 reactions probes (Pan-Pro)
保质期 :1年
供应商 :蓝景科信
保存条件 :-20℃
原核通用型riboPOOLs核糖体RNA去除
原核通用型 riboPOOL设计依据:
基于76个代表性物种的rRNAs 序列设计的微生物通用型 riboPOOL,适合图中所示的类群(内圈,粗体)和亚群(外圈)所涵盖的细菌和古细菌。
*如果您感兴趣的物种不属于这些类群或亚群,请咨询我们的定制型riboPOOLs产品。
**译注:暂无中文译名
原核通用型 riboPOOL已验证物种(RNA-Seq)
测试结果来自不同的实验室,rRNA去除效率从~50-98%不等,在大多数物种中rRNA去除效率> 70% 。去除效率可能因样品类型和实验条件的不同而不同。高质量的RNA样本中效率最高。推荐的起始RNA投放量为100 ng - 5 μg。
已检测的物种 |
去除效率验证 |
大肠杆菌 |
√ |
鼠伤寒 沙门氏菌 |
√ |
霍乱弧 菌 |
√ |
金黄色 葡萄球菌 |
√ |
凯伍热厌氧菌 |
√ |
鲍氏不动杆菌 |
√ |
恶臭假单胞菌 |
√ |
热醋穆尔氏菌 |
√ |
紫色杆菌 |
√ |
具核梭杆菌 |
√ |
幽门螺杆 菌 |
√ |
空肠弯曲杆菌 |
√ |
艰难梭菌 |
√ |
riboPOOLs应用方向:
除了rRNA外,在测序数据中发现的丰富的组织特异性mRNA(如珠蛋白)或其他丰富的RNA的去除也可以用riboPOOLs来进行。
RNA-seq是一种高度准确且灵敏的转录组追踪工具。然而,一些丰度很高的RNA种类却影响了NGS文库制备,浪费了宝贵的测序资源。在提取的总RNA中,核糖体RNA(rRNA)占比最大,约90%-95%,mRNA占2-3%,还有2-3%是非编码RNA(lncRNA、tRNA、microRNA等)。所以,在RNA测序的过程当中,首先要解决的问题,是如何去除核糖体RNA。riboPOOLs能够高效去除与研究无关的RNA,让研究人员更高效地利用测序资源。
核糖体分析涉及核糖体结合RNA的测序,以评估翻译组。在RNA-Seq之前,需将受核糖体保护的RNA片段分离出来,并进行rRNA去除。由于这些片段的范围为17-35个核苷酸,rRNA的去除效率预计将低于典型的RNA样本。人类riboPOOL已被应用,且rRNA去除效率在50-80%之间。为了进一步增强rRNA的去除能力,在rRNA去除后,还可以采用定制化riboPOOL进一步去除残余rRNA序列。
- 宏转录组(Metatranscriptomics)测序分析
Pan-Prokaryote riboPOOL被设计用来从所有主要门的广谱微生物中去除rRNA,使其成为一种通用的微生物rRNA去除工具。它可用于含有已知和未知微生物(如土壤、污泥、病原体感染组织)的复杂环境混合物或微生物组样本的rRNA去除。
为了从含有多个物种的样本中去除rRNA,或为便于在包含多个物种的样本中使用一种试剂盒,可以使用组合riboPOOLs。这些可由客户指定以一定比例进行组合,至多可实现四种现成riboPOOLs的混合物。对高质量RNA样本的内部测试显示,组合riboPOOLs(人类/小鼠/泛原核生物)从人类、小鼠和大肠杆菌RNA中去除rRNA的表现与物种特异性 riboPOOLs效果类似。然而,siTOOLs不能确保组合riboPOOLs在所有样品类型中具有相似的去除效率,因为去除效率也高度依赖于样品的质量。
该产品被引用文献
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