Brands

<h2>What are Spin-Column Environmental RNA Extraction Kits?</h2>
&nbsp;
Spin-column environmental RNA extraction kits purify total RNA from soil, fecal material, water concentrates, biofilm, and plant tissue using bead-beating mechanical disruption in a chaotropic lysis buffer, followed by silica-membrane column purification incorporating inhibitor-removal wash steps to eliminate humic acids, polyphenols, and other PCR inhibitors co-extracted from environmental matrices. Kits process 0.1-0.5 g of sample per extraction and elute RNA in 30-100 ul of RNase-free water in approximately 2 hours, producing RNA suitable for RT-qPCR, microarray, and RNA-seq metatranscriptomic workflows. Choose the spin-column format for environmental RNA when processing 1-24 samples per day, when the sample type is soil, feces, or biofilm, or when standard bacterial/fungal RNA kits produce inhibited RT-qPCR results from environmental matrices.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li data-section-id="1b52a6l" data-start="0" data-end="128">ZR Soil/Fecal RNA MicroPrep Kit for efficient recovery of inhibitor-free cellular RNA from challenging soil and fecal samples.</li>
<li data-section-id="120xy2g" data-start="129" data-end="275">Zymo Environ Water RNA Kit for purification of microbial RNA from turbid water samples used in environmental monitoring and microbiome research.</li>
<li data-section-id="tojsbj" data-start="276" data-end="400">ZR Urine RNA Isolation Kit&trade; for rapid extraction of high-quality total RNA from urine using silica spin-column technology.</li>
<li data-section-id="2q9aey" data-start="401" data-end="525">RNA purification solutions tailored to environmental and liquid biopsy sample types with distinct processing requirements.</li>
<li data-section-id="7kn372" data-start="526" data-end="647">Specialized extraction workflows designed to remove contaminants that can interfere with downstream molecular analyses.</li>
<li data-section-id="1gyfm8m" data-start="648" data-end="753" data-is-last-node="">High-quality RNA isolation products suitable for RT-PCR, qPCR, sequencing, and gene expression studies.</li>
</ul>
&nbsp;
<h2>How to Choose a Spin-Column Environmental RNA Kit</h2>
&nbsp;
Inhibitor Load of Your Sample Type
High-humic soils (peat, forest soils, dark topsoil) require kits with dedicated IRT or inhibitor-precipitating wash steps, such as the QIAGEN RNeasy PowerSoil Total RNA Kit. For fecal and biofilm samples with lower humic content, the faster Zymo Quick-RNA Fecal/Soil Microbe Microprep Kit is sufficient. An A260/A230 ratio &lt; 1.5 in the eluate is a direct signal that the kit's inhibitor removal is insufficient for your matrix.
Protocol Time and Throughput
The Zymo Fecal/Soil Microprep Kit extracts in approximately 2 hours using mini-spin columns. The QIAGEN PowerSoil Total RNA Kit takes 5-7 hours but delivers higher RIN values for long-read sequencing applications. For batches of more than 12 samples per day, PowerBead Pro or Zymo's mini-column format with a vortex adapter is faster per sample than protocols requiring individual mechanical homogenization steps.
Downstream Application: Short-read vs. Long-read Sequencing
For short-read RNA-seq (Illumina), RIN &gt;= 5 is generally sufficient because library preparation using random hexamer priming tolerates fragmented RNA. For Oxford Nanopore direct RNA sequencing, which reads intact RNA molecules, RIN &gt;= 7 is required; only the QIAGEN PowerSoil kit consistently achieves this benchmark across diverse soil types in published comparisons.
Bead Type and Cell Disruption
Soil and fecal kits use ceramic or glass beads at 0.1-0.5 mm diameter. Confirm the kit includes both 0.1 mm and 0.5 mm beads to ensure unbiased lysis of Gram-negative bacteria (disrupted efficiently by 0.1 mm beads) and Gram-positive bacteria and fungi (requiring 0.5 mm beads) in the same sample. Single-bead-size kits can produce a bias toward Gram-negative recovery in mixed environmental communities.
Compatibility with rRNA Depletion
Residual inhibitors from soil RNA extract can impair enzymatic rRNA depletion reactions. If initial rRNA depletion efficiency is low (&lt;90%), re-clean the extract with a Zymo RNA Clean &amp; Concentrator-5 kit before repeating the depletion reaction. Check kit-specific guidance from your rRNA depletion kit supplier.
&nbsp;
<h2>Specifications Context</h2>
&nbsp;
Key benchmarks for spin-column environmental RNA: A260/A280 &gt;= 1.8, A260/A230 &gt;= 1.5 (target &gt;= 1.8 for long-read sequencing), and concentration &gt;= 10 ng/ul in the eluate for RT-qPCR assays. A 2024 peer-reviewed comparison in&nbsp;Microbiology Society Journals specifically evaluated five commercial soil RNA extraction kits for Oxford Nanopore metatranscriptomics and identified the QIAGEN PowerSoil kit as the highest performer across RNA yield, integrity, and purity metrics. Soil metatranscriptomics is increasingly used in climate change research - linking active microbial community function to carbon and nitrogen cycling - and environmental RNA extraction quality is cited in published methods as the rate-limiting step for generating sequencing-ready RNA from soil.
<section class="mbp-contact-cta"></section>
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<a href="https://mbpinc.net/contact-us">Contact the expert team </a>at MBP Inc. today and get high-yield spin-column systems for your lab.

Spin-Column

MSDS

DataSheet

Protocol

Zymo Environ Water RNA Kit (50 preps)

Zymo Environ Water RNA Kit (R2042) by Zymo Research — 50 preps for inhibitor-free RNA from water, wastewater, sludge, and sewage (up to 5 ml input). Elution ≥6 µl; up to 10 µg RNA; A260/A280 &gt;1.8. Water Concentrating Buffer refills available as R2042-1-140 (140 ml) and R2042-1-8 (8 ml).

Equipment Needed

Format

RNA Purity

RNA Storage

Sample Inactivation

Sample Input

Sample Size

Yield

Manufacturer

Shipping Condition

Storage Condition

Water Concentrating Buffer (140 ml)

Water Concentrating Buffer (8 ml)

Tubes

Zymo Research 2.0 mL Tube, with caps

C1025-50 by Zymo Research is a pack of 50 clear V-bottom 2.0 mL polypropylene tubes with caps, designed for microcentrifuge-based nucleic acid purification and sample storage. Compatible with Zymo-Spin column kits as collection or elution tubes.

2.0 mL V-bottom Clear Tube, with caps (50 Pack)

2.0 mL V-bottom Clear Tube, with caps (500 Pack)

2.0 mL V-bottom Amber Tube, with caps (50 Pack)

2.0 mL V-bottom Amber Tube, with caps (500 Pack)

2.0 mL U-bottom Clear Tube, with caps (50 Pack)

2.0 mL U-bottom Clear Tube, with caps (500 Pack)

2.0 mL U-bottom Amber Tube, with caps (50 Pack)

2.0 mL U-bottom Amber Tube, with caps (500 Pack)

Plates

Zymo Research 96 Elution Plate (V-Bottom, 200 µL)

C1030-ZYM by Zymo Research — 96-well V-bottom plate; 200 &micro;l/well; clear polypropylene; SBS standard; KingFisher Flex/Apex/Duo Prime/Presto compatible; 2 plates per pack; made in USA.

Capacity

Compatible Instruments

Dimensions (H x W x L)

Material

96 Elution Plate (V-bottom, 200 µl) (2 pack)

96 Elution Plate (V-bottom, 200 µl) (50 pack)

Columns, Plastics & Accessories

Zymo Research 96 Tip Combs (For V-Bottom Deep Well Plate)

C2019 96 Tip Combs by Zymo Research are polypropylene combs for V-bottom 96-well deep well plates, compatible with KingFisher Flex, Apex, and Presto magnetic particle processors for automated nucleic acid purification. 2 combs per pack.

96 Tip Combs (For V-Bottom Deep Well Plate) (2 Combs)

96 Tip Combs (For V-Bottom Deep Well Plate) (100 Combs)

Zymo Research 96-Well Plate Cover Foil

C2007-12 by Zymo Research: 12-pack pierceable aluminum foil seals (82.6 × 132.6 mm) with strong adhesive for standard 96-well plates. Ideal for cold storage and automated liquid-handling workflows. Additional pack sizes C2007-2 through C2007-24 available.

96-Well Plate Cover Foil (12 Foils)

96-Well Plate Cover Foil (2 Foils)

96-Well Plate Cover Foil (24 Foils)

96-Well Plate Cover Foil (4 Foils)

96-Well Plate Cover Foil (6 Foils)

96-Well Plate Cover Foil (8 Foils)

Zymo Research Collection Tubes

Zymo Research C1001 Collection Tubes, 2 mL polypropylene. For use with Zymo-Spin I, II, IIC, IIC-XLR, IV, and V spin columns. Available as C1001-50 (50-pack), C1001-500 (500-pack), or C1001-1000 (1000-pack). Made in USA.

Collection Tubes (1000 Pack)

Collection Tubes (50 Pack)

Collection Tubes (500 Pack)

Zymo Research Conical Reservoir

Zymo Research 15 mL Conical Reservoir C1031-25 is a polypropylene, luer-lock-compatible reservoir for DNA and RNA purification with vacuum manifold systems, designed for use with Zymo-Spin™ V-style column assemblies. Supplied as a pack of 25.

Compatibility

Matrix/Construction

Volumetric Capacity

15 ml Conical Reservoir (25 Pack)

50 ml Conical Reservoir (25 Pack)

600 ml Reservoir (5 Pack)

Zymo Research Sterile Collection Swab

Zymo Research C1052-50 sterile nylon flocked collection swab. 6-inch swab; 20 mm break point; individually wrapped. 50 swabs per pack. Room temperature storage; 13-month shelf life. Compatible with Zymo Research DNA/RNA Shield Collection Tubes. Made in USA.

Zymo Collection Swab, 20 mm break point (50 Pack)

Zymo Collection Swab, 80 mm break point (50 Pack)

Zymo ResearchAir Permeable Sealing Cover

C2011-2 by Zymo Research — 2-pack of Air Permeable Sealing Covers for 96-well microcentrifuge spin-column and collection plates. Allows gas exchange while preventing cross-contamination and reducing evaporation during incubation steps. Compatible with Zymo-Spin I-96-XL Plates (C2010). Also available in 4-pack (C2011-4) and 8-pack (C2011-8).

Air Permeable Sealing Cover (2 Pack)

Air Permeable Sealing Cover (4 Pack)

Air Permeable Sealing Cover (8 Pack)

<h2>What are epigenetics NGS library preparation kits?</h2>
&nbsp;
Epigenetics NGS library preparation kits convert the DNA output of an upstream epigenetics workflow into an indexed sequencing library: adapters are ligated to the ends of each DNA fragment, an optional amplification step increases the total amount of library, and indexes are added to allow multiplexed sequencing of many samples in a single run. These kits are specifically optimized for epigenetics-specific inputs, including ChIP-enriched DNA (often low-yield, sheared to 200&ndash;750 bp), chromatin-accessible DNA from ATAC-seq (also low-yield and fragmented), and bisulfite-converted DNA (fragmented and chemically modified, with low-complexity sequence).
&nbsp;
<h2 dir="ltr">What You Will Discover:</h2>
&nbsp;
<ul>
<li dir="ltr">Groundbreaking single-tube processes that integrate bisulfite conversion and library preparation to chart entire genomes with extremely low input needs.</li>
<li dir="ltr">Rapid, efficient transposase-driven methods that seize open chromatin areas and dynamic regulatory environments in only a few hours.</li>
<li dir="ltr">Enzymatic restriction methods combined with targeted sequencing for affordable, high-density CpG coverage without incurring full-genome expenses.</li>
<li dir="ltr">Advanced multi-adapter ligation techniques designed to reduce bias and optimize library retrieval from fragmented or challenging DNA sources.</li>
<li dir="ltr">Post-bisulfite library preparation systems designed explicitly for sub-nanogram DNA quantities, individual cells, or extensively degraded specimens.</li>
<li dir="ltr">Locus-specific, genome-wide enrichment approaches aimed at accurately monitoring and characterizing 5-hydroxymethylcytosine alterations throughout the genome.</li>
</ul>
&nbsp;
<h2>How to choose epigenetics NGS library preparation kits</h2>
&nbsp;
Match your library prep kit to your specific epigenetics input type
ChIP-seq library prep kits are optimized for low-yield sheared chromatin enriched by immunoprecipitation, while ATAC-seq kits work with tagmented open chromatin fragments, and bisulfite or enzymatic methyl-seq library prep kits are specifically formulated for the highly fragmented, low-complexity sequence characteristics of bisulfite-converted DNA input.
Confirm the kit supports your input DNA amount
ChIP experiments, especially those targeting low-abundance transcription factors or run from limited cell numbers, often yield very little enriched DNA, and kits validated for low-input or picogram-scale library preparation are necessary to generate libraries with sufficient complexity without excessive PCR amplification introducing duplicates.
Choose an indexing strategy appropriate to your sample multiplexing plan
Dual-index strategies, using unique combinations of two distinct index sequences per sample, provide more reliable sample demultiplexing in highly multiplexed runs compared with single-index strategies, and confirming whether your kit supports the number of samples and multiplexing depth required is an important selection criterion.
Understand the impact of PCR cycles on library complexity and duplicate rate
Fewer PCR amplification cycles reduce the proportion of duplicate reads in sequencing data, which is especially important for low-complexity epigenetics libraries where overamplification can dominate output with copies of the same original fragment. Efficient ligation chemistry that increases library yield from low input helps minimize required PCR cycles.
Confirm kit compatibility with your downstream analysis pipeline
Some library prep protocols use specific adapter sequences or library structures that require corresponding adjustments in bioinformatics analysis pipelines, and confirming compatibility before sequencing helps avoid downstream analysis failures.
&nbsp;
<h2>Specifications context</h2>
&nbsp;
ChIP-seq library prep kits optimized for low-input or ultra-low-input chromatin are designed to achieve high library complexity from picogram-scale DNA inputs that would otherwise produce low-complexity libraries with standard kits at similar PCR cycle numbers. As of 2026, library prep kits compatible with enzymatic methyl-seq (EM-seq) as well as classical bisulfite-converted DNA continue to expand, enabling researchers to leverage improved DNA quality while maintaining familiar downstream sequencing workflows.
Prepared to enhance your sequencing efficiency? Discover our complete selection of NGS Library Preparation Kits and <a href="https://mbpinc.net/contact-us">contact the MBP team</a> for a quote now.

NGS Libray Preparation Kits

Zymo-Seq ATAC Library Kit (12 Rxns.)

D5458 by Zymo Research prepares 12 ATAC-seq libraries from 50,000 cells (&gt;80% viability) using a Tn5 transposase to insert sequencing adapters at open chromatin regions. Libraries in the 200–700 bp range are compatible with Illumina HiSeq, NextSeq, and NovaSeq. Twelve unique UDI Tag Primers are included for multiplexed sequencing runs.

DNA Input

Equipment Required

Library Storage

Processing Time

Reagents Not Provided

Sequencing Platform Compatibility

<h2>What are methylation standards?</h2>
&nbsp;
Methylation standards are defined reference DNA materials with a known and confirmed methylation status, ranging from a fully methylated DNA (where every cytosine at CpG or other sites carries a methyl group) to a fully unmethylated DNA (where no cytosines are methylated) and intermediate or mixed standards containing a defined ratio of the two. The most widely used unmethylated control in bisulfite sequencing is lambda phage DNA, which is naturally unmethylated and can be spiked into a conversion reaction to estimate conversion efficiency.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" role="presentation">Methylated and non-methylated DNA control sets for comparative epigenetic analysis and assay validation</li>
<li dir="ltr" role="presentation">Universal methylated DNA standards for methylation assessment workflows</li>
<li dir="ltr" role="presentation">Genomic DNA reference materials: for microbial and human methylation studies</li>
<li dir="ltr" role="presentation">Matched DNA sets: used in experimental models for controlled comparison of methylation status&nbsp;</li>
<li dir="ltr" role="presentation">Bisulfite-converted DNA standards: for downstream sequencing-based methylation and PCR analysis</li>
<li dir="ltr" role="presentation">Methylation spike-in controls: for sequencing normalization and high-throughput workflows</li>
<li dir="ltr" role="presentation">Mouse and human DNA methylation reference sets: for specific species epigenetic studies</li>
<li dir="ltr" role="presentation">Methylated DNA IP control kits for methylation assays involving immunoprecipitation</li>
</ul>
&nbsp;
<h2>How to use methylation standards</h2>
&nbsp;
Spike an unmethylated control into every bisulfite or enzymatic conversion reaction
Running an unmethylated DNA like lambda phage DNA alongside your samples in the same conversion reaction estimates the conversion efficiency of that specific run, since every remaining cytosine signal after conversion should be treated as a false positive, and this rate can be quantified and accounted for in downstream analysis.
Run a fully methylated positive control to confirm methylated cytosines are preserved
A fully methylated standard, such as DNA synthesized with 5-methyl-dCTP or commercially prepared methylated genomic DNA, confirms your conversion workflow correctly preserves methylated cytosines intact rather than inadvertently converting them, which would produce false-negative methylation calls.
Use a mixed or intermediate standard to calibrate quantitative methylation assays
A standard containing a defined ratio of methylated to unmethylated DNA, or a set of standards spanning a range of methylation percentages, provides a calibration curve for quantitative methylation assays like 5-methylcytosine ELISA, validating that the assay reports the expected methylation level across its full dynamic range.
Confirm standard stability before long-term storage or lot-to-lot use
Methylation control DNA has documented stability windows, and confirming that your standard's methylation status is stable under storage conditions, and consistent across lots, is necessary for reliable longitudinal monitoring of conversion efficiency.
Use standards to monitor workflow consistency over time
Running a conversion control in every batch allows longitudinal tracking of conversion efficiency across instrument runs, reagent lots, and protocol variations, helping catch workflow drift before it affects real sample results.
&nbsp;
<h2>Specifications context</h2>
&nbsp;
Lambda phage DNA is the most commonly used unmethylated bisulfite conversion control because it is naturally unmethylated, commercially available, and well characterized, and it can be aligned to the known lambda phage reference genome after sequencing to calculate residual unconverted cytosine rates, providing a direct, interpretable measure of conversion efficiency. As of 2026, fully methylated and fully unmethylated standard sets are also used alongside enzymatic methyl-seq conversions to confirm that EM-seq's enzymatic mechanism correctly protects methylated cytosines and converts unmethylated ones, independent of the conversion chemistry used.
This category sits within DNA/RNA Methylation, alongside Bisulfite Conversion Kits, Non-Bisulfite Kits &amp; Reagents, and ELISA Kits &amp; Reagents. See the full reagents catalog and use Quick Order for recurring orders.
<a href="https://mbpinc.net/contact-us">Contact the expert team of Molecular Biology Products Inc. (MBP)</a> to get high-quality methylation standards for your lab today.

Methylation Standards

Zymo-Seq Methyl Spike-in Control

D5500 by Zymo Research is the Zymo-Seq Methyl Spike-in Control, containing six synthetic amplicons (180–200 bp) at 0%, 10%, 25%, 50%, 75%, and 100% cytosine methylation for monitoring bisulfite conversion efficiency in WGBS and RRBS workflows. Provides 25 preparations at 60 pg/µl; store at -20°C. Research use only.

Concentration

Amplicon # 1 Methylation Level

Amplicon # 2 Methylation Level

Amplicon # 3 Methylation Level

Amplicon # 4 Methylation Level

Amplicon # 5 Methylation Level

Amplicon # 6 Methylation Level

Source

Storage

Zymo-Seq RRBS Library Kit

The D5460 by Zymo Research is a 24-prep all-in-one RRBS library prep kit for DNA methylation profiling at single-nucleotide resolution, accepting 10–500 ng genomic DNA input with ~2 hours hands-on time and ≥70% CpG island coverage. Includes Unique Dual Index (UDI) primers and is compatible with all Illumina platforms except HiSeq X Series.