Nextera xt vs nextera flex

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Nextera xt vs nextera flex

Learn more about how to choose the right indexing option for your application. The Illumina Free Adapter Blocking Reagent is an optional reagent that can be used to treat most types of sequencing libraries to reduce index hopping levels.

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The fast and simple protocol allows for treatment of one or a pool of libraries just prior to sequencing on any Illumina platform. Flex Lysis Reagent Kit 96 reactions.

nextera xt vs nextera flex

Illumina Free Adapter Blocking Reagent 12 reactions. Illumina Free Adapter Blocking Reagent 48 reactions. Please enter new favorite list name or select an existing list. Gain the flexibility to sequence human or other large, complex genomes as well as amplicons or microbial species, all with a single kit. While accommodating various study requirements, the Nextera DNA Flex workflow delivers consistent insert sizes, uniform coverage, and optimized performance, regardless of DNA input amount or genome size.

The bead-based technology minimizes bias and opportunities for error, resulting in highly reproducible sequencing data. These unique dual index codes use 10 base pair codes. This change in base pair index codes require adjustments to the sequencing run setup. The 24 CD Indexes are supplied in a tube format, and 96 in a plate format. FC or stand-alone components Cat.

Discover the power that Nextera technology can bring to your lab through this interactive experience. Nextera library prep kit solutions offer whole-genome sequencing across various applications, flexibility across Illumina sequencers, and integrated sample input for blood and saliva without quantification.

A Bead-linked transposomes mediate the simultaneous fragmentation of gDNA and the addition of Illumina sequencing primers. C Sequencing-ready fragments are washed and pooled. Index Adapters Pooling Guide Documentation. Custom Protocol Selector Generates customized, end-to-end instructions. Generate whole-genome sequencing libraries and efficiently interrogate samples with limited available DNA. Simple, all-inclusive whole-genome sequencing WGS library preparation that provides accurate and comprehensive coverage of complex genomes.

Use microbial whole-genome sequencing to map genomes of novel organisms, finish genomes of known organisms, or compare genomes across multiple samples. Large whole-genome sequencing informs disease research and population genomics studies and reveals disease-associated alleles. Find the right sequencing library preparation kit or microarray for your needs. Filter by method, species, and more. Compare, share, and order kits. This is the international website for Illumina.

If you are looking for information specific to your region, please select your location and we will redirect you. A fast, integrated workflow for a wide range of applications, from human whole-genome sequencing to amplicons, plasmids, and microbial species. Read More Select Product s What products do I need?

Accessory Products What accessories do I need? Flex Lysis Reagent Kit 96 reactions Illumina Free Adapter Blocking Reagent 12 reactions Nextera Flex technology powers the fastest and most flexible sequencing solutions for DNA in the Illumina library prep portfolio. On-bead tagmentation chemistry reduces total workflow time for whole genome and targeted enrichment workflows. Nextera Flex products represent the latest revolution in Illumina library prep chemistry. Unique bead-linked transposome chemistry now integrates DNA extraction, fragmentation, library preparation, and library normalization steps to deliver the fastest, most flexible workflow in the Illumina library prep portfolio.

Library preparation can cause costly delays in the next-generation sequencing NGS workflow. Illumina Nextera Flex library prep technology has paved the way for rapid workflows that reduce delays prior to sequencing.

Nextera Flex technology can be used to reduce library prep time from DNA extraction to library normalization, in applications such as:. Nextera Flex technology supports various study requirements while delivering consistent insert sizes, uniform coverage, and optimized performance, regardless of DNA input amount or genome size.

The bead-based technology minimizes bias and opportunities for error, resulting in highly reproducible sequencing data that is automation compatible. Nextera Flex chemistry uses an innovative bead-transposome complex to tagment genomic DNA by fragmenting and adding adapter tag sequences in a single reaction step.

This bead-based saturation allows the flexibility to use a wide DNA input range and delivers consistent, uniform fragment size distribution, as well as normalized libraries.

A subsequent bead-based cleanup step then prepares libraries for use on any Illumina sequencing platform. The Nextera DNA Flex Library Preparation Kit includes all the reagents needed for generating libraries for sequencing, and magnetic sample purification beads for library cleanup steps. The Nextera Flex for Enrichment Kit includes reagents needed for library preparation and enrichment.

AMPure XP beads for library cleanup steps, index adapters, and your chosen enrichment oligo panel must be purchased separately. With target enrichment, researchers can sequence key genes and regions of interest in a single assay. With targeted resequencing, a subset of genes or a genomic region is isolated and sequenced, which can conserve lab resources.

This is the international website for Illumina. If you are looking for information specific to your region, please select your location and we will redirect you. Nextera Flex Fast, flexible workflows providing time-saving sequencing solutions and optimized library preparation. Nextera Flex technology powers fast workflows.

Applications of Nextera Flex Technology. Nextera Flex Sequencing Solutions. Nextera Flex Workflow for Illumina Sequencing. Nextera Flex technology is part of an integrated workflow for NGS that includes library preparation, high-quality sequencing, and simplified data analysis.

On-Bead Tagmentation chemistry saves time and reduces hands-on touchpoints to deliver the fastest total workflow time in the Illumina library prep portfolio. Nextera Flex for Enrichment. Nextera Flex FAQs.Refer to the following resources for guidance on sequencing methods using Nextera DNA Flex Library Prep and the iSeq Sequencing System, including viral and bacterial whole-genome sequencing. For small genomes, the DNA input amount can be reduced to as low as 1 ng modifying the PCR cycling conditions accordingly.

Nextera DNA Flex Library Prep Kit

For DNA inputs between — ng, accurate quantification of the initial DNA sample is not required, and normalization of the final yield is expected.

PicoGreen dye can also be used to accurately measure the DNA concentration. The data remains consistent across genomes. Public data are available for the following systems:. The ratio of absorbance at nm to absorbance at nm provides an indication of sample purity. This protocol is optimized for DNA with absorbance ratio values of 1.

Values outside this range indicate the presence of contaminants that may cause incomplete tagmentation and adversely impact the final library yield. For a complete list of contaminants, including sources, avoidance, and effects on the library, see the Nextera XT Troubleshooting Technical Note.

Incomplete tagmentation caused by contaminants might result in library prep failure, poor clustering, or an unexpectedly high scaffold number. Index adapters and library prep kits are sold separately.

If starting the protocol from blood samples, the Flex Lysis Reagent kit is also required. Using third-party indexes is not recommended. Use a Fragment Analyzer Agilent, formerly Advanced Analytical or Agilent Technologies Bioanalyzer to check the quality and intended size distribution of a tagmented sample.

Variation in the Bioanalyzer profiles is expected because it is dependent on the input DNA type. The following video resources are also available:. Library is automatically denatured into single strands and further diluted onboard the instrument. When saturated with input DNA, the bead-based transposome complex fragments a set number of DNA molecules, providing flexibility to use a wide DNA input range, consistent tight fragment size distribution, and normalized libraries.

The application note includes additional resources. Indexing is a way to label biological samples, then use bioinformatic methods to distinguish the sequencing data generated by each during a run. However, it is recommended to process 8 samples or multiples of 8 using a multichannel pipette.

nextera xt vs nextera flex

To optimize sample pooling for your experiment, you need to know the sample genome size, your desired coverage, and the duplicate percentage. It is not recommended to use any other indexes as the indexes in the kit have high purity and have been carefully optimized to result in even index representation across libraries.

These two terms are synonymous. The purpose of the double-sided bead purification is to size select the library fragments. The two-step process first removes the large fragments and the second step removes the small molecular weight fragments. For more detailed information on sample purification bead size selection and best practices, see the online training sequencing course TruSeq: Sample Purification Bead Size Selection and Best Practices.

It is not recommended to use third-party sample purification beads for cleaning up libraries. Coverage of GC regions can be impacted by the model, settings, and performance of the thermal cycler used. It is not compatible with Nextera XT v2 Index kits.

The iSeq System requires the iSeq i1 Reagents kit. To optimize sample pooling for your experiment, you need to know the genome size of your sample, the coverage you desire, and the duplicate percentage. The optimal sequencing depth varies depending on the application you are running and your experimental goals. Refer to the literature for applicable reference studies.

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Read lengths shorter than 2x are likely sufficient when resequencing. However, for de novo assembly, it might be harder to assemble the genome.Learn more about how to choose the right indexing option for your application.

TruSight One — Enrichment Oligos only 6 Enrichment Reactions disease-associated genes and is sufficient for 6 enrichment reactions. Nextera Flex for Enrichment has a single hybridization workflow and requires half the probe volume as previous Illumina enrichment workflows.

Library prep, enrichment, and index adapter reagents need to be ordered separately. TruSight One Expanded — Enrichment Oligos only 6 Enrichment Reactions disease-associated genes and is sufficient for 6 enrichment reactions. Flex Lysis Reagent Kit 96 reactions. Illumina Free Adapter Blocking Reagent 12 reactions. Illumina Free Adapter Blocking Reagent 48 reactions. Please enter new favorite list name or select an existing list.

Nextera Flex for Enrichment is the fastest and most flexible targeted sequencing solution for DNA in the Illumina library prep portfolio:. Nextera Flex for Enrichment uses a fast, user-friendly workflow. Go from DNA input and extraction to library normalization, enrichment, and post-enrichment amplification in just 6. Adding blood and saliva samples directly into the Nextera DNA Flex tagmentation reaction reduces the number of required quantification steps, saving time and money.

While accommodating various study requirements, the Nextera Flex for Enrichment solution delivers consistent insert sizes, uniform coverage, and optimized performance, regardless of DNA input amount.

The bead-based technology minimizes bias and opportunities for error, resulting in highly reproducible data across all Illumina sequencing systems. Discover the power that Nextera technology can bring to your lab through this interactive experience. Nextera library prep kit solutions offer whole-genome sequencing across various applications, flexibility across Illumina sequencers, and integrated sample input for blood and saliva without quantification.

Enrichment BaseSpace App Documentation. Nextera Flex for Enrichment Documentation. Nextera Flex for Enrichment Checklist Documentation. Illumina Adapter Sequences Document Documentation. Index Adapters Pooling Guide Documentation. Custom Protocol Selector Generates customized, end-to-end instructions. Comprehensive sequencing research panels targeting disease-associated regions of the exome with high analytical sensitivity and specificity.

These expert-defined sequencing research panels target 94 genes and SNPs associated with a predisposition towards various cancers. A fast, integrated workflow for a wide range of applications, from human whole-genome sequencing to amplicons, plasmids, and microbial species.In bacterial genome and metagenome sequencing, Illumina sequencers are most frequently used due to their high throughput capacity, and multiple library preparation kits have been developed for Illumina platforms.

Here, we systematically analysed and compared the sequencing bias generated by currently available library preparation kits for Illumina sequencing. Our analyses revealed that a strong sequencing bias is introduced in low-GC regions by the Nextera XT kit.

nextera xt vs nextera flex

The level of bias introduced is dependent on the level of GC content; stronger bias is generated as the GC content decreases. Other analysed kits did not introduce this strong sequencing bias. The GC content-associated sequencing bias introduced by Nextera XT was more remarkable in metagenome sequencing of a mock bacterial community and seriously affected estimation of the relative abundance of low-GC species. The results of our analyses highlight the importance of selecting proper library preparation kits according to the purposes and targets of sequencing, particularly in metagenome sequencing, where a wide range of microbial species with various degrees of GC content is present.

Our data also indicate that special attention should be paid to which library preparation kit was used when analysing and interpreting publicly available metagenomic data. Next-generation sequencing NGS has revolutionized the field of genomics, 12 as it has much higher throughput thus much lower cost compared with traditional Sanger sequencing.

Therein, library construction is an important process.

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While several library construction methods have been developed for Illumina sequencing, 45 this process generally comprises three steps: DNA fragmentation, repairing and end-polishing of fragmented DNA, and ligation of platform-specific adaptors.

In Illumina sequencing, extreme base composition, i. Lower-coverage regions may lead to a failure to identify single-nucleotide polymorphisms and genomic regions of functional or phylogenetical importance. Efforts to reduce gaps or low-coverage regions by obtaining more sequence reads inflate sequencing costs and may limit the effectiveness of genomic analyses, particularly, those aiming to analyse numerous samples.

Thus, improving our knowledge of sequencing bias is essential to further improve the utility of sequencing by NGS. Uneven coverage associated with GC bias can be introduced during PCR amplification of library, cluster amplification, or sequencing.

Among these, library amplification is known as a major source. Because studies on sequencing bias have been conducted in limited strains or species, systematic investigation of bacteria with a wide GC content range is required to understand the factors that introduce sequencing bias. Different sequencing kits and protocols may also be differentially affected by GC bias. Therefore, in this study, we compared currently available library preparation kits for Illumina sequencing, including the Nextera DNA Flex Library Prep Kit recently released by Illumina, to examine what kinds and what levels of sequencing bias are generated by these kits across a wide range of bacterial species.

The impacts of sequencing bias on metagenome analysis were also evaluated using a mock bacterial community comprising species with a wide range of GC content levels. The complete genome sequences of these strains are available.

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Nextera DNA Flex Library Prep Kit

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NGS Library Preparation Theory and Practice Part 1 HD

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The page you wanted could not be found, so we brought you to something similar.Transposition takes just 15 minutes with the rest of the protocol, including PCR and washes, taking a total of just over an hour. Because of the use of bead-linked transposase it is not necessary to quantify DNA before prep if starting with over ng — presumably this is because Illumina can QC the batches of BLT to make sure the amount of transposase present is more reliable in each prep, and the excess DNA is removed meaning the long molecules are not left behind.

According to their datasheet the kit works for small genomes and amplicons as well, so to me it sounds that this kit can replace Nextera XT, Nextera and TruSeq Nano if you do not need the Covaris shearing e. Notify me of follow-up comments by email. Notify me of new posts by email. Previous Next. Like this: Like Loading About the Author: James.

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Nextera DNA Flex Kit FAQs

June 6th, 3 Comments. One Comment. Leave A Comment Cancel reply Comment. Popular Recent Comments. How do SPRI beads work? April 28th, Extracting cell-free DNA from plasma December 22nd, Evidence for the use of cfDNA Fragmentome for early detection and monitoring of cacner November 27th, James says: Wow that was a blast from the past. I've updated the post…. James says: Thanks for highlighting the kit!


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