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Miseq 300 bp paired reads platform

Manufactured by Illumina
Sourced in United States

The MiSeq 300-bp paired-reads platform is a benchtop sequencing system designed for targeted sequencing applications. It generates up to 15 Gb of sequence data per run with read lengths of up to 300 base pairs in a paired-end configuration.

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3 protocols using miseq 300 bp paired reads platform

1

Microbial Diversity Profiling by 16S rRNA Sequencing

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DNA was extracted from the skin microbial samples using the commercial FastDNA Spin Kit (MP Biomedicals, USA) following the instructions provided by the manufacturer. The V3-V4 variable region in the 16S rRNA gene was PCR-amplified with the primers 338F (5′-ACTCCTACGGGAGGCAGCAG-3′) and 806R (5′-GGACTACHVGGGTWTCTAAT-3′) using a thermocycler (GeneAmp 9700, ABI). PCR amplicons were purified using the AxyPrep DNA Gel Extraction Kit (Axygen Biosciences, USA), libraries were prepared using the NEXTFLEX Rapid DNA-Seq Kit (Bioo Scientific, USA), and sequencing was performed using the Illumina MiSeq 300-bp paired-reads platform (Illumina, USA) in accordance with standard protocols provided by Majorbio Bio-Pharm Technology Co. Ltd. (Shanghai, China) [29 ].
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2

Metagenomic DNA Extraction and 16S Sequencing

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Metagenomic DNA was extracted from skin swab samples as previously published [15 (link), 16 (link)]. Samples were thawed and transferred aseptically to Lysing Matrix B tubes (MP Biomedicals, Solon, OH, USA). Enzymatic bacterial lysis was conducted using lysozyme, mutanolysin, proteinase K, and lysostaphin, followed by mechanical lysis through bead beating. A Zymo fecal DNA kit (Zymogen, Irvine, CA, USA) was used to further purify metagenomic DNA. DNA quality assurance was performed with spectrophotometric measurements on the NanoDrop system and gel electrophoresis. Negative extraction phosphate-buffered saline controls were also included in sample processing to confirm that contaminant DNA was not introduced into samples during the extraction process. Following extraction, the V3V4 hypervariable region of the 16S rRNA gene was polymerase chain reaction amplified and sequenced on an Illumina MiSeq 300-bp paired-reads platform (Illumina, San Diego, CA, USA) as previously described [17 (link)].
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3

Metagenomic DNA Extraction from Skin Swabs

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Extraction of metagenomic DNA (mgDNA) was conducted from skin swabs as previously described20 (link)21 (link). Thawed samples were transferred aseptically to Lysing Matrix B tubes (MP Biomedicals, Solon, OH, USA). Lysozyme, mutanolysin, proteinase K, and lysostaphin enzymatic bacterial lysis was followed by bead-beating mechanical lysis. mgDNA was further purified using a Zymo fecal DNA kit (Zymogen, Irvine, CA, USA). Spectrophotometric measurements on the NanoDrop system (NanoDrop Technologies, Wilmington, DE, USA) and gel electrophoresis were used for DNA quality assurance. Phosphate-buffered saline negative extraction controls were included in sample processing. The V3V4 hypervariable region of the 16S rRNA gene was PCR amplified. The Illumina MiSeq 300-bp paired-reads platform (Illumina, San Diego, CA, USA) was used for sequencing as previously published22 (link).
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