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QIAamp DNA Micr
obiome Kit (50)2
QIAamp DNA Microbiome Kit (50)
18个月
新疆宝信源柏生物技术有限公司
-20℃
50 Reactions
The high percentage of reads attributed to the host genome in whole metagenome shotgun sequencing experiments makes proper assembly of microbial datasets time consuming and resource intensive, even with sophisticated bioinformatics tools. By removing host DNA in a sample, the QIAamp DNA Microbiome Kit provides samples with enriched bacterial composition for whole metagenome shotgun sequencing. A comparison of reads from whole metagenome shotgun sequencing experiments was performed on DNA isolated from human buccal swabs, where samples were prepared with either the QIAamp DNA Microbiome Kit or solutions from 2 other suppliers. Sequencing of samples prepared with the QIAamp DNA Microbiome Kit resulted in less than 5% human reads, greatly reduced compared to over 90% reads with a kit that does not include host DNA removal and 35% with a kit that does. In a second experiment, samples were spiked with known cultured bacteria. Bacterial DNA were recovered with higher representation compared to a solution without host DNA removal (see figure ).
Improved amplification for 16S rDNA sequencing
16S rDNA sequencing is commonly used to determine relative microbial community composition. The QIAamp DNA Microbiome Kit enables the most efficient amplification of the V4 region of DNA purified from buccal swabs when compared to 3 other purification kits (see figure ). Sequencing results of the amplified V4 region from 2 samples purified with the QIAamp DNA Microbiome Kit also exhibit the expected bacterial composition representative of a human oral microbiome.
Optimized cell lysis to minimize sample preparation bias
The QIAamp DNA Microbiome Kit purifies and enriches bacterial microbiome DNA from mixed samples for use in sensitive downstream applications such as:
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