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商品详细Qiagen/Microbial DNA qPCR Assays/330025
Qiagen/Microbial DNA qPCR Assays/330025
Qiagen/Microbial DNA qPCR Assays/330025
商品编号: 330025
品牌: Qiagen
市场价: ¥11980.00
美元价: 7188.00
产地: 美国(厂家直采)
公司:
产品分类: 多肽合成
公司分类: peptide
联系Q Q: 3392242852
电话号码: 4000-520-616
电子邮箱: info@ebiomall.com
商品介绍

Microbial DNA qPCR Assays

Product picture
For real-time PCR-based microbial detection; includes one assay with Microbial qPCR Mastermix for 100 reactions
  • Experimentally verified assays with high sensitivity and specificity
  • Detect microbial species, virulence genes or antibiotic resistance genes
  • Simple qPCR workflow
Microbial DNA qPCR Assays are a mix of two PCR primers (10 µM each) and one 5′-hydrolysis probe (5 µM) that enables quantitative real-time PCR for 100 reactions. Microbial DNA qPCR Assays are designed using a proprietary and experimentally verified algorithm, providing uniform PCR efficiency and amplification conditions. Each Microbial DNA qPCR Assay undergoes rigorous experimental verification to ensure high PCR efficiency, and this high efficiency is guaranteed when the assays are used with Microbial qPCR Mastermixes and Microbial DNA-Free Water (sold separately).What is the difference between microbial identification and profiling? Identification is determining the microbe’s presence or absence in your sample which requires you to run a No Template Control during your analysis. Profiling is determining the microbe’s relative expression in two or more experimental conditions and you will need to run a reference sample and a normalizer (provided by QIAGEN).
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Cat No./ID:330025
Microbial DNA qPCR Assay
$599.00
Go to GeneGlobe
One 100 µl tube Microbial DNA qPCR Assay, one 1.35 ml tube Microbial qPCR Mastermix
Cat No./ID:330061
Custom Microbial DNA qPCR Assay
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One 100 µl tube newly designed Custom Microbial DNA qPCR Assay, one 1.35 ml tube Microbial qPCR Mastermix
Microbial DNA qPCR Assays are intended for molecular biology applications. These products are not intended for the diagnosis, prevention, or treatment of a disease.

Product Details

9
The lower limit of quantification (LLOQ) for microbial identification Microbial DNA qPCR Assays reveals high sensitivity.
This chart shows the distribution of LLOQ for microbial identification Microbial DNA qPCR Assays. 92% of all microbial identification assays have a LLOQ of <100 gene copies.
9
Microbial DNA qPCR Assays display high sensitivity even in complex metagenomic samples.
To ensure that Microbial DNA qPCR Assays performed comparably in a complex sample, where there may be up to a thousand different microbial species, each assay was tested using stool, tooth plaque, and sputum samples. For each sample, synthetic template targets were spiked in and the CT was compared to synthetic template alone. PCR was performed using several sample types, which included pooled synthetic template targets alone, stool, stool plus pooled synthetic template targets, plaque, plaque plus pooled synthetic template targets, sputum, and sputum plus pooled synthetic template targets. If the CT<35 in stool, plaque, or sputum samples alone, then ΔCT was calculated (i.e., CTstool – CTpooled synthetic template targets). This calculation was performed for all the assays. For each assay, the ΔCT<3, indicating that a complex metagenomic background does not affect the performance of each Microbial DNA qPCR Assay.
9
The lower limit of quantification (LLOQ) for antibiotic resistance gene detection Microbial DNA qPCR Assays reveals high sensitivity.
This chart shows the distribution of LLOQ for Microbial DNA qPCR Assays for antibiotic resistance gene detection. 95% of all antibiotic resistance gene assays have a LLOQ of <100 gene copies.
9
Microbial DNA qPCR Assays are highly specific.
To determine the specificity of Microbial DNA qPCR Assays, each assay was tested against 119 genomic DNA samples from different bacteria and fungi. To facilitate testing, genomic DNA from different microbial species was pooled (10 different genomic DNA samples per pool) and each assay was tested against the different pools. None of the pools contained DNA from the same genus, to facilitate identification of cross-reacting species. Each pool contained the equivalent of 2000 genome copies for each microbial species. In addition, each assay was tested against human, mouse, and rat genomic DNA. A representative example for Streptococcus pyogenes is shown. The assay for Streptococcus pyogenes gave a CT of 26.9 and 26.6 for the Staphylococcus/Streptococcus pool and complete pool [A]. Both pools contained genomic DNA for Streptococcus pyogenes. To determine which genomic DNA was detected by the Streptococcus pyogenes assay, each individual genomic DNA comprising the Staphylococcus/Streptococcus pool was tested separately [B]. Only Streptococcus pyogenes genomic DNA gave an acceptable CT call (26.8) while the others gave a CT>35. Most of the assays were specific as they did not detect unintended targets. For assays that detected other species, the list of detected targets along with in silico predictions are given in the specifications sheet.
9
The lower limit of quantification (LLOQ) for virulence factor gene detection Microbial DNA qPCR Assays reveals high sensitivity.
This chart shows the distribution of LLOQ for Microbial DNA qPCR Assays for virulence factor gene detection. 97% of all virulence factor gene assays have a LLOQ of <100 gene copies.
9
The lower limit of quantification (LLOQ) for all Microbial DNA qPCR Assays reveals high sensitivity.
This chart shows the distribution of LLOQ for all Microbial DNA qPCR Assays. 93% of all Microbial DNA qPCR Assays have a LLOQ of <100 gene copies.
9
Limit of detection versus lower limit of quantification.
This chart demonstrates the difference between the limit of detection (LOD) and the lower limit of quantification (LLOQ). The LOD is defined as the lowest concentration at which 95% of the positive samples are detected, whereas the LLOQ is the lowest concentration that falls within the linear range of a standard curve. LOD depends upon the precision of the assay, and requires at least 40 replicates for determination of a positive sample. For the Microbial DNA qPCR Assays, LLOQ is sufficient to determine assay sensitivity.
Performance
Lower limit of quantification (LLOQ)
The LLOQ is the lowest concentration of template that still falls into the linear range of the standard curve (see figure, Limit of detection versus lower limit of quantification). Across all Microbial DNA qPCR Assays, 93% have an LLOQ of <100 gene copies (see figure, The LLOQ for all Microbial DNA qPCR Assays reveals high sensitivity). 92% of microbial identification assays meet this LLOQ, as do 95% of virulence factor gene assays and 97% of antibiotic resistance gene assays (see figures, The LLOQ for microbial identification Microbial DNA qPCR Assays reveals high sensitivity,The LLOQ for virulence factor genes Microbial DNA qPCR Assays reveals high sensitivity, andThe LLOQ for antibiotic resistance genes Microbial DNA qPCR Assays reveals high sensitivity).
Specificity
Each Microbial DNA qPCR Assay is stringently tested to ensure that it detects only one target species or gene (see figure, Microbial DNA qPCR Assays are highly specific). For assays that do detect more than one target, a list of detected targets and in silico predictions is included on the product sheet.This specificity is maintained even when samples have high species complexity, such as in stool, sputum, and plaque (see figure,Microbial DNA qPCR Assays display high sensitivity even in complex metagenomic samples).
Principle
Microbial DNA qPCR Assays are designed to detect bacterial 16S rRNA gene and fungal ribosomal rRNA gene sequences for species identification, as well as detecting virulence factor genes and antibiotic resistance genes using PCR amplification primers and hydrolysis-probe detection.
Procedure
The procedure for Microbial DNA qPCR Assays is simple, and can be performed in any laboratory with a real-time PCR instrument. DNA is isolated from the sample using the appropriate QIAamp kit, and then PCR reactions are set up using the appropriate Supplemental Microbial qPCR Mastermix for the PCR instrument. Four separate PCR reactionsshould beprepared for each sample, including a Positive PCR Control, a No Template Control, and the Microbial DNA Positive Control, as well as the Microbial DNA qPCR Assay. Real-time PCR is performed and data is analyzed using web-based data analysis software or Excel templates.
Applications
Microbial DNA qPCR Assays are highly suited for the detection of bacterial or fungal species, or microbial genes for antibiotic resistance or virulence factors, from a variety of samples including stool, sputum, vaginal swab, sewage, and others.

Product Resources

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Brochures & Guides (2)
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Microbial Product Configurator
Microbial product configurator guide
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Microbial DNA qPCR Arrays
For application-specific microbial identification and profiling by real-time PCR
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FAQs (20)
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What are the minimum sample requirements for Microbial DNA qPCR kits?
FAQ ID— 3393
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What are the storage conditions for the Microbial DNA qPCR products?
FAQ ID— 3394
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Which Microbial qPCR Mastermix should I use?
FAQ ID— 3395
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What is the expected amplicon size of the Microbial DNA qPCR Assays?
FAQ ID— 3396
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What is the difference between Positive PCR Control (PPC) and Microbial DNA Positive Control?
FAQ ID— 3397
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Can I use the Microbial DNA-Free Water and Microbial qPCR Mastermix if they have been opened more than 3 times?
FAQ ID— 3398
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What sample types can be tested on the arrays/assays?
FAQ ID— 3399
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Are the assays species-specific?
FAQ ID — 3400
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What is LLOQ?
FAQ ID— 3401
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What is the difference between LLOQ and LOD?
FAQ ID— 3402
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What sequences are used to design the Microbial DNA qPCR Assays?
FAQ ID— 3403
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Can I measure antibiotic resistance gene expression?
FAQ ID— 3404
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Can I measure virulence factor gene expression?
FAQ ID— 3405
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Are the Microbial DNA qPCR Assays wet-lab verified?
FAQ ID— 3406
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Which probe labels are available for the Microbial DNA qPCR Assays?
FAQ ID— 3407
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Can I multiplex the Microbial DNA qPCR Assays?
FAQ ID — 3408
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What is the sensitivity for the Microbial DNA qPCR kits?
FAQ ID— 3409
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How can I calculate the number of bacterial cells that are present in a sample using the Microbial DNA qPCR Assays?
FAQ ID — 3411
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What species are detected by the Pan Bacteria 1 and Pan Bacteria 3 Assays?
FAQ ID - 3427
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Is the Microbial qPCR mastermix used in the Microbial DNA assay and in the Microbial DNA arrays free of genomic bacterial DNA?
FAQ ID - 3535
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Kit Handbooks (1)
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Microbial DNA qPCR Handbook
New version – For real-time PCR-based profiling/detection of microbial species, antibiotic resistance genes or virulence factor genes
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Scientific Posters (1)
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Detection and Surveillance of Antibiotic Resistance Genes From Food and Fertilizer Sources Using qPCR Technology
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Technical Information (2)
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Microbial DNA qPCR Assay/Assay Kits
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Antibiotic Resistance Gene Resource and Assay List
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Safety Data Sheets (2)
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MSDS Microbial DNA qPCR Assay
MSDS Custom Microbial DNA qPCR Assay
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品牌介绍
QIAGEN是一家专业化致力于生物分子样品制备解决方案的跨国经营企业,总部位于德国。1984年,QIAGEN在德国成立,1996年在美国纽约纳斯达克上市。QIAGEN拥有超过1000项专利和认可证明,在18个国家设立了分公司,代理商服务国超过40个,在全球有超过400000的用户。QIAGEN提供的产品超过500类,包括各种试剂,耗材和自动化纯化工作站。这些产品用于样品采集,稳定,核酸或蛋白的分离,纯化和检测中,不仅广泛的应用于科研领域的各个方面,在生物技术,制药,法医研究,食品安全检测,畜牧业和分子诊断领域也得到了广泛的应用。QIAGEN产品的卓越品质和在应用中的出色表现使得其成为样品处理中标准的代名词。