Zymo Reagents

<h2>What are microbial and environmental DNA isolation kits?</h2>
&nbsp;
Microbial and environmental DNA isolation kits purify DNA from soil, sediment, freshwater, marine water, feces, and other complex environmental matrices using lysis and purification chemistry designed to remove humic acids, metal compounds, and other inhibitors that interfere with PCR and sequencing, supporting 16S/18S rRNA amplicon profiling and shotgun metagenomic sequencing. Related entities include "kitome" and "splashome" contamination controls, alpha diversity and microbial community composition analysis, and compatibility with both short-read (Illumina) and long-read (Oxford Nanopore) sequencing platforms. Choose a kit validated for your specific sample matrix (soil, sediment, water, or feces), since benchmarking studies consistently show kit performance varies by matrix rather than one kit being universally best.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" role="presentation">Spin-column fungal and bacterial kits for rapid DNA purification using rapid silica-membrane technology&nbsp;</li>
<li dir="ltr" role="presentation">Parallel extraction of soil, fecal, and environmental samples using high-throughput 96-well microplates&nbsp;</li>
<li dir="ltr" role="presentation">Automated&nbsp; purification of complex microbial and environmental specimens using Magnetic bead isolation systems</li>
<li dir="ltr" role="presentation">Scalable microprep and midiprep columns tailored for concentrated low-volume elution demands and diverse sample inputs</li>
</ul>
&nbsp;
<h2>How to choose a microbial and environmental DNA isolation kit</h2>
&nbsp;
Matrix-specific kit performance
Benchmarking studies comparing multiple commercial kits across sediment, water, soil, oyster gut microbiome, and mammalian feces have found that the best-performing kit varies by matrix - kits ranked highly for sediment did not necessarily perform best for water or host-associated samples. Rather than assuming a single "universal" kit, match your kit choice to published benchmarking results for your primary sample type where available.
Inhibitor removal for downstream PCR and sequencing
Environmental samples, especially sediments and soils, contain organic and metal compounds that inhibit PCR amplification if not removed during extraction; kits designed for these matrices integrate inhibitor-removal steps as part of the standard protocol. If your samples have historically produced low PCR amplification efficiency with general-purpose kits, an environmental-matrix-specific kit with built-in inhibitor removal is the first thing to evaluate.
Short-read vs. long-read sequencing compatibility
For long-read metagenomic sequencing, DNA fragment length and integrity from the extraction kit directly affect achievable read lengths, though longer extracted fragments don't always translate consistently into longer sequencing reads - kit choice affects both fragment length and downstream classification rate and reproducibility. If long-read metagenomics is your goal, prioritize kits with published long-read benchmarking data over kits validated only for short-read amplicon work.
Contamination control (kitome/splashome)
Kit-derived contamination ("kitome") and cross-sample contamination during processing ("splashome") can affect microbial community composition results, particularly for low-biomass samples; benchmarking studies evaluate kits specifically for these contamination sources alongside yield and diversity metrics. For low-biomass environmental samples, prioritize kits with documented low kitome contamination in published comparisons.
&nbsp;
<h2>Specifications context</h2>
&nbsp;
The key specs for microbial and environmental DNA isolation are matrix-specific validation (soil vs. sediment vs. water vs. feces), built-in inhibitor removal for PCR-ready output, and fragment length/integrity for long-read sequencing compatibility where relevant. Since benchmarking studies repeatedly show no single kit performs best across all matrices, identifying your primary sample type before selecting a kit is the most impactful decision. Labs running metagenomic surveys across multiple matrices (e.g., soil and water from the same field site) often need separate matrix-optimized kits rather than a single universal kit. The parent <a href="https://mbpinc.net/reagents/molecular-biology/nucleic-acid-extraction-kits/dna-extraction-kits/genomic-dna">genomic DNA extraction kits hub</a>&nbsp;links to related sample-type categories, including&nbsp;<a href="https://mbpinc.net/reagents/molecular-biology/nucleic-acid-extraction-kits/dna-extraction-kits/genomic-dna/insect">insect genomic DNA kits</a>&nbsp;and&nbsp;<a href="https://mbpinc.net/reagents/molecular-biology/nucleic-acid-extraction-kits/dna-extraction-kits/genomic-dna/plant">plant genomic DNA kits</a>&nbsp;for organism-associated environmental work, and&nbsp;<a href="https://mbpinc.net/reagents/molecular-biology/nucleic-acid-extraction-kits/dna-extraction-kits/high-molecular-weight-dna">high molecular weight DNA kits</a>&nbsp;for long-read metagenomics requiring larger fragment sizes. For cell-free DNA in environmental water samples (eDNA detection), see&nbsp;<a href="https://mbpinc.net/reagents/molecular-biology/nucleic-acid-extraction-kits/dna-extraction-kits/cell-free-dna">cell-free DNA kits</a>.&nbsp;
<section class="mbp-contact-cta">
&nbsp;
MBP's specialist team can help match kit chemistry, format, and throughput to your sample type and downstream application.&nbsp;<a href="https://mbpinc.net/contact-us">Contact the MBP team</a> for personalized guidance.
</section>

Microbial & Environmental DNA Isolation

D4310-Data Sheet

D4310-MSDS

D4310-1-20-MSDS

D4310-2-5-MSDS

D4310-3-50-MSDS

D4310-Protocol

D4310-Optimized Lysis Protocols

HostZERO™ Microbial DNA Kit (50 Preps.)

D4310 by Zymo Research — HostZERO™ Microbial DNA Kit (50 preps) for host DNA depletion (≥ 90%) and microbial DNA isolation (≥ 85% recovery) from saliva, swabs, and bodily fluids. Reduces human DNA in saliva from ~65% to &lt; 1%. Under 90 min total; 20 µl elution. All 15 components included for complete workflow.

DNA Purity

DNA Recovery

Processing Time

Required Equipment

Sample Input

Sample Type

Manufacturer

Shipping Condition

Storage Condition

Host Depletion Solution (20 ml)

Microbial Selection Buffer (5 ml)

Microbial Selection Enzyme (50 µl)

<h2>What are PCR and molecular assays for microbiomics?</h2>
&nbsp;
PCR and molecular assays in this category use quantitative PCR (qPCR) or digital PCR to measure the copy number of a defined DNA target, most often the 16S rRNA gene, to determine total bacterial load in a sample, or a specific pathogen or functional gene target for detection purposes. Unlike 16S or shotgun sequencing, which characterize the full taxonomic or functional composition of a community, these molecular assays provide a faster, more targeted quantitative or presence/absence readout for a specific question.
&nbsp;
<h2 dir="ltr">What you will discover:</h2>
&nbsp;
<ul>
<li dir="ltr" aria-level="1">
Femto&trade; Quantification Kits: Highly sensitive systems engineered for the detection of human, bacterial, or fungal DNA at the femtogram level with negligible sequence bias.
</li>
<li dir="ltr" aria-level="1">
High-Fidelity qPCR Premixes: Tailored master mixes designed for effective amplification and enhanced nuclear signal localization in low-biomass samples.
</li>
<li dir="ltr" aria-level="1">
Certified DNA Standards: Reference materials tested for reproducibility and No Template Controls (NTC) designed to calibrate the linear dynamic range and avert background contamination.
</li>
<li dir="ltr" aria-level="1">
ZymoTaq&trade; Specialized Polymerases: Enzymes that are heat-activated and free of nucleases, crafted to minimize non-specific amplification and guarantee high specificity in workflows associated with CRISPR.
</li>
</ul>
&nbsp;
<h2>How to choose PCR and molecular assays</h2>
&nbsp;
Use total bacterial load qPCR to screen samples before sequencing
A qPCR assay targeting the 16S rRNA gene quantifies total bacterial content in a sample, providing a useful pre-sequencing check for low-biomass samples likely to produce poor amplification or unreliable sequencing results if processed without this screening step.
Decide between qPCR and digital PCR based on sensitivity needs
Digital PCR can offer higher sensitivity and more accurate quantification than standard qPCR, particularly for low-biomass samples at the limit of detection, though at the cost of longer processing time, generally a meaningful tradeoff only when standard qPCR proves insufficient.
Confirm your qPCR assay design addresses known technical pitfalls
Well-designed 16S qPCR assays address known issues like self-priming or mispriming of unintended targets, amplification bias from non-optimal primer coverage, and amplicon size constraints for compatibility with clinical or high-throughput qPCR platforms.
Use pathogen-specific or functional gene qPCR for targeted detection
Beyond total bacterial load, qPCR can target a specific pathogen's single-copy gene or a functional gene of interest, such as an antibiotic resistance gene, providing a faster, more targeted answer than waiting for full sequencing and bioinformatic analysis.
Plan for known PCR limitations in environmental and clinical samples
Standard qPCR can be limited by reliance on standard reference materials for quantification and is prone to inhibition from substances naturally present in environmental or clinical samples, such as heavy metals or organic matter, which digital PCR can sometimes overcome with improved robustness.
&nbsp;
<h2>Specifications context</h2>
&nbsp;
A PCR-based total bacterial quantification assay can provide an exact calculation of bacterial abundance useful for assessing whether a sample is likely to yield positive amplification before committing it to full sequencing, helping avoid wasted sequencing runs on low-biomass samples. As of 2026, digital PCR continues to see increased adoption over standard qPCR specifically for low-biomass, environmental, or inhibitor-prone sample types, where its improved sensitivity and accuracy can outweigh its longer processing time.
<a href="https://mbpinc.net/contact-us">Reach out to the expert team at MBP Inc.</a> now to ask for a quote on the appropriate PCR and molecular assays for your laboratory.

PCR & Molecular Assays

Human DNA Standards and No Template Control (#1-8)

E2005-2 by Zymo Research is the Human DNA Standards and No Template Control replacement set for the Femto™ Human DNA Quantification Kit (E2005). Contains 8 tubes × 50 µl: seven HeLa-derived standards (20 ng to 0.00002 ng, 10-fold serial dilution) plus a No Template Control.

<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

MSDS

Protocol

Human Matched DNA Set

D5018 by Zymo Research is a matched pair of human genomic DNA from brain and spleen of a single individual, precisely quantified by LC/MS for 5-methylcytosine and 5-hydroxymethylcytosine content, for use as a two-point epigenetic control in 5mC and 5hmC detection workflows.

Concentration

Sample Source

Sample Storage

Human Brain DNA (5 µg)

Human Spleen DNA (5 µg)

D5013-Data Sheet

D5013 - MSDS

D5013-Protocol

Human Methylated & Non-Methylated (WGA) DNA Set

D5013 by Zymo Research is a human DNA control set comprising whole-genome amplified (WGA) methylated (&gt;95% CpG methylated) and non-methylated DNA from the HCT116 DKO cell line, plus RASSF1 primers, for use as positive and negative controls in bisulfite sequencing, MSP, and methylation array workflows.

Human Methylated & Non-Methylated (WGA) DNA Set (DNA w/ Primers)

Human WGA Non-Methylated DNA (5 µg/20 µl)

Human WGA Methylated DNA (5 µg/20 µl)

D5014-Data  Sheet

D5014 - MSDS

D5014-Protocol

Human Methylated & Non-methylated DNA Set

The D5014 by Zymo Research is a Human Methylated &amp; Non-methylated DNA Set containing two HCT116 DKO-derived genomic DNA standards at 250 ng/µl (5 µg each): D5014-1 (&lt;5% global methylation, DNMT1/DNMT3b knockout) and D5014-2 (enzymatically CpG-methylated), plus a DAPK1 primer set for within-run bisulfite conversion and MSP assay validation. Store ≤−20°C up to 24 months.

Format

Storage

Human Methylated & Non-methylated DNA Set (DNA w/ Primers)

Human HCT116 DKO Non-Methylated DNA (5 µg/20 µl)

Human HCT116 DKO Methylated DNA (5 µg/20 µl)

<h2 data-section-id="v1drft" data-start="0" data-end="43">What are cloning chemicals and reagents?</h2>
&nbsp;
Cloning chemicals and reagents cover the enzymes, buffers, and molecular biology-grade chemicals used in DNA fragment preparation, modification, and purification within a cloning workflow, including restriction endonucleases, T4 DNA ligase and other DNA-modifying enzymes (phosphatases, polymerases), reaction buffers, and plasmid extraction reagents. Related entities include restriction enzyme digestion, DNA dephosphorylation/phosphorylation, plasmid DNA purification (column-based and magnetic bead-based), and enzyme unit definitions.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" style="font-family: arial, helvetica, sans-serif;" role="presentation">Targeted XJa and XJb strains for faster recovery of proteins.</li>
<li dir="ltr" style="font-family: arial, helvetica, sans-serif;" role="presentation">Mix &amp; Go! solutions for optimized and dependable bacterial transformation.</li>
<li dir="ltr" style="font-family: arial, helvetica, sans-serif;" role="presentation">Culture Media &amp; Supplements used for yeast research, and include YPD Plus and mating pheromones.</li>
<li dir="ltr" style="font-family: arial, helvetica, sans-serif;" role="presentation">Extraction and Lysis Reagents include reliable genomic preparation and yeast protein kits.</li>
<li dir="ltr" style="font-family: arial, helvetica, sans-serif;" role="presentation">Chromogenic Substrates and Enzymatic Inducers with highly pure X-GAL and IPTG for cloning and blue-white screening.</li>
</ul>
&nbsp;
<h2 data-section-id="1daajgc" data-start="866" data-end="913">How to choose cloning chemicals and reagents</h2>
&nbsp;
Restriction enzyme selection and buffer compatibility
Restriction enzymes require specific reaction buffers, and many modern enzyme lines use a single universal buffer compatible across multiple enzymes to simplify double-digest reactions; confirm buffer compatibility when combining enzymes from different suppliers or using older single-buffer-per-enzyme formulations.
Enzyme unit definitions and reaction scale
Restriction enzyme and ligase activity is defined in units per microliter, with one unit typically defined as the amount needed to digest or ligate a defined quantity of standard substrate DNA under specified conditions in a set time; scale enzyme quantity to the amount of DNA being processed rather than assuming a fixed volume works for all reaction sizes.
Plasmid purification grade
Plasmid DNA extraction reagents range from molecular biology grade, suitable for general cloning and sequencing, to transfection-grade or endotoxin-free formulations required for applications such as lentiviral packaging or mammalian cell transfection, where endotoxin contamination can reduce transfection efficiency or cause cell stress.
Dephosphorylation for preventing vector self-ligation
Alkaline phosphatase treatment of a linearized vector before ligation removes 5' phosphate groups, preventing vector self-ligation and improving the ratio of recombinant clones; this step is particularly useful when the vector and insert share compatible sticky ends that could otherwise religate without insert incorporation.
&nbsp;
<h2 data-section-id="1fljvas" data-start="3459" data-end="3484">Specifications context</h2>
&nbsp;
Restriction enzymes and ligases are supplied at defined unit concentrations (commonly 10&ndash;20 units per microliter for restriction enzymes), with reaction buffers formulated for specific pH and salt conditions optimized for enzyme activity. Plasmid purification kits are differentiated by yield (micrograms of DNA recovered), purity (A260/A280 ratio), and endotoxin level (endotoxin units per microgram), with endotoxin-free kits specifying levels below a defined threshold suitable for transfection applications.&nbsp;
This sub-category is part of MBP's cloning catalog alongside ligation independent cloning kits and transformation kits and competent cells, used downstream of enzyme-based fragment preparation. Labs producing custom lentivirus for immortalization can also review MBP's cell immortalization catalog. MBP's specialist team can help confirm enzyme buffer compatibility and plasmid purification grade for a specific downstream application before order placement.
<a href="https://mbpinc.net/contact-us">Contact the expert team </a>at MBP today to request a quote for high-purity chemicals and reagents.

Chemicals/Reagents

DataSheet

IPTG (Isopropyl-β-D-thiogalactopyranoside)

I1001-25 is IPTG (Isopropyl-β-D-thiogalactopyranoside), CAS 367-93-1, MW 238.3 g/mol — supplied as a premade 0.5 M sterile solution (25 mL). The standard non-metabolizable lac operon inducer for recombinant protein expression in E. coli. Typical working concentration: 0.1–1 mM. Store at −20°C.

Product Storage

Purity

Isopropyl-β-D-thiogalactopyranoside (IPTG) (5 x 5 ml)

Isopropyl-β-D-thiogalactopyranoside (IPTG) (5 ml)

<h2 data-section-id="1go10h8" data-start="173" data-end="215">What are classic cell culture media?</h2>
&nbsp;
Classic cell culture media refers to the foundational basal medium formulations that have underpinned mammalian cell culture since the mid-20th century: DMEM (Dulbecco's Modified Eagle Medium), MEM (Minimum Essential Medium), RPMI 1640, Ham's Nutrient Mixtures F-10 and F-12, IMDM (Iscove's Modified Dulbecco's Medium), and the combination formulation DMEM/F-12. Each is manufactured according to its originally published formula, with modifications limited to those necessary for consistent performance and stability of the medium over its shelf life. These media supply the amino acids, vitamins, glucose, salts, and (in most formulations) phenol red pH indicator that form the nutritional backbone of essentially all subsequent specialty, serum-free, and Advanced media derivatives.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" role="presentation">Selective Mammalian Antibiotics including Puromycin, Geneticin, and Hygromycin B for stable development of cell lines.</li>
<li dir="ltr" role="presentation">Broad-Spectrum Bactericidal Agents for routine contamination prevention, including Penicillin/Streptomycin and Gentamicin&nbsp;</li>
<li dir="ltr" role="presentation">Prokaryotic Selection Reagents for effective bacterial transformation, including Ampicillin, Kanamycin, Chloramphenicol, and Tetracycline&nbsp;</li>
<li dir="ltr" role="presentation">Antifungal and Antimycotic Solutions to maintain sterile cultures, including combined 100X cocktails and Amphotericin B (Fungizone)&nbsp;</li>
<li dir="ltr" role="presentation">Specialized Small Molecules for targeted biochemical assays, including Ganciclovir, Rapamycin, and Actinomycin D&nbsp;</li>
</ul>
&nbsp;
<h2 data-section-id="1mfajxk" data-start="1218" data-end="1252">How to choose a classic medium</h2>
&nbsp;
DMEM vs MEM
DMEM contains up to four times the amino acid and vitamin concentration of original Eagle's MEM, along with higher glucose levels, making it suitable for cell types with elevated nutrient demands &mdash; DMEM is broadly applicable across mammalian, insect, and plant cell phenotypes including primary cells, stem cells, and transformed lines. MEM remains widely used for monolayer culture of many standard cell types, with optional Hanks' or Earle's salt formulations and a calcium-free modification that permits suspension growth.
RPMI 1640 for suspension and hematopoietic culture
RPMI 1640, developed at the Roswell Park Memorial Institute for culturing human leukemic cells, is optimized for non-adherent cell types &mdash; lymphocytes and other blood cells &mdash; and contains glutathione plus higher biotin, B12, and PABA concentrations than DMEM or MEM. Despite its hematopoietic origin, RPMI 1640 supports a broad range of adherent lines (HeLa, T47D, RENCA, CT26.WT) when properly supplemented.
Ham's F-10/F-12 for CHO and specialized applications
Ham's nutrient mixtures were originally developed for CHO cell clones, HeLa cells, and mouse L-cells, and remain suited to hepatocyte culture, viral fusion experiments, and toxicity assays, with formulations available for use with or without serum. Coon's modification of Ham's F-12 roughly doubles the amino acid and pyruvate content and adds ascorbic acid, developed specifically for hybrid cells produced by viral fusion.
DMEM/F-12 for complex, rich-medium applications
DMEM/F-12 (1:1 mixture) combines DMEM's glucose, amino acid, and vitamin richness with Ham's F-12's zinc, putrescine, hypoxanthine, and thymidine, producing an extremely rich complex medium used for MDCK cells, glial cells, fibroblasts, and human endothelial cells &mdash; and serving as the basal medium for many serum-free Advanced formulations used in organoid and stem cell work.
IMDM for high-density rapid proliferation
IMDM further enriches DMEM with additional amino acids and vitamins, substituting potassium nitrate for ferric nitrate and adding HEPES and sodium pyruvate. IMDM's sodium bicarbonate buffer system (5&ndash;10% CO₂) and enriched composition make it well suited for rapidly proliferating, high-density cultures including Jurkat, COS-7, and macrophage cells.
Liquid vs. powder format
Liquid classic media are ready to use (after appropriate FBS and supplement addition) and include sodium bicarbonate in the formulation. Powdered media are manufactured without sodium bicarbonate, since it tends to off-gas in powder form &mdash; 3.7 g/L sodium bicarbonate must be added upon reconstitution, followed by sterile filtration. Powder formats offer cost and shipping-weight advantages for high-volume labs preparing their own media.
&nbsp;
<h2 data-section-id="17i0pj" data-start="5035" data-end="5061">Specifications context</h2>
&nbsp;
Classic media are manufactured according to originally published formulas, with stability-related modifications documented per product. DMEM's sodium bicarbonate buffer system at 3.7 g/L is standard across liquid formulations; powdered formats require this addition upon reconstitution along with 0.22 &micro;m sterile filtration. As of 2026, DMEM, DMEM/F-12, and RPMI 1640 remain the three most widely specified classic media across academic and biomanufacturing labs, with IMDM increasingly used for high-density suspension applications in bioprocessing.
For recombinant growth factors and cytokines used alongside classic media, see Recombinant Proteins. For supplementation reagents (GlutaMAX, NEAA, sodium pyruvate, HEPES), see Cell Culture Supplements &amp; Additives. Browse Mammalian Cell Culture for the broader category.
<a href="https://mbpinc.net/contact-us">Contact the expert team </a>at MBP to get highly efficient microbial control solutions for your lab.

Antibiotics

Kanamycin Sulfate

A1003-ZYM by Zymo Research is a ready-to-use Kanamycin Sulfate solution at 35 mg/ml (≥98% purity), sterile-filtered through a 0.2 µm membrane for direct use in E. coli selection and plasmid amplification. Working concentration: 30 µg/ml in standard bacterial media. Store at -20°C. Available in 1×5 ml or 5×5 ml formats. MBP is a registered vendor for Howard Hughes Medical Institute, Vanderbilt University, MD Anderson Cancer Center, Eurofins, and many other institutes across the USA.

Working Concentration

Kanamycin Sulfate (35 mg/ml) (5 x 5 ml)

Kanamycin Sulfate (35 mg/ml) (5 ml)

<h2>What are bisulfite conversion reagents and buffers?</h2>
&nbsp;
Bisulfite conversion reagents include sodium bisulfite solution, denaturation and conversion buffers, and complete kits that bundle all components needed for the three-step chemical reaction: sulfonation of cytosine to a cytosine-bisulfite derivative, hydrolytic deamination to a uracil-bisulfite derivative, and alkali desulfonation to yield uracil. This process converts unmethylated cytosines to uracil while leaving 5-methylcytosine intact and unconverted, because 5-methylcytosine resists bisulfite-mediated deamination under standard conditions.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" role="presentation">RNA and DNA conversion reagents for enhanced modification of cytosine in methylation workflows</li>
<li dir="ltr" role="presentation">Desulphonation buffers for stabilization of nucleic acids and post-conversion cleanup&nbsp;</li>
<li dir="ltr" role="presentation">Binding buffers used during purification for efficient capture of converted RNA and DNA</li>
<li dir="ltr" role="presentation">Wash buffers for the removal of inhibitors and improved purity of samples</li>
<li dir="ltr" role="presentation">Elution buffers for high-quality recovery of converted nucleic acids</li>
<li dir="ltr" role="presentation">DNA denaturing and digestion buffers for controlled workflow and optimized conversion efficiency</li>
<li dir="ltr" role="presentation">Dilution and reaction buffers for maintaining stable assay conditions</li>
<li dir="ltr" role="presentation">Solubilization and dissolution buffers for sample processing and preparation&nbsp;</li>
<li dir="ltr" role="presentation">Lightning conversion reagents for efficient and rapid methylation analysis workflows</li>
</ul>
&nbsp;
<h2>How to use bisulfite conversion reagents</h2>
&nbsp;
Ensure complete DNA denaturation before conversion to avoid incomplete conversion
Bisulfite only acts on cytosines in single-stranded DNA, so complete denaturation of the input DNA is the most critical first step, since failure to fully denature can leave double-stranded regions in which cytosines are shielded from the bisulfite reagent and remain unconverted.
Understand that incomplete conversion produces false-positive methylation results
If the conversion is incomplete, unconverted unmethylated cytosines will read as cytosine after sequencing, which will be incorrectly interpreted as methylated cytosine, artificially inflating the apparent methylation level of the sample in a false-positive direction.
Optimize conversion conditions to balance completeness against DNA degradation
The harsh conditions needed for complete bisulfite conversion, including high bisulfite concentration, elevated temperature, and long incubation, also fragment and degrade DNA, and optimizing conditions that achieve high conversion while minimizing degradation is a key technical challenge in bisulfite workflows.
Include an unmethylated conversion control to estimate residual incomplete conversion
Including an unmethylated control DNA, such as lambda phage DNA, in the same conversion reaction provides a readout of how completely unmethylated cytosines were converted, helping quantify residual incomplete conversion rates and account for them in downstream analysis.
Be aware of specific challenges for FFPE and degraded DNA samples
Formalin-fixed, paraffin-embedded tissue DNA is already fragmented before bisulfite treatment, and the additional fragmentation during conversion can result in poor library yields; specific modified protocols and carrier reagents can help reduce further degradation during the conversion step.
&nbsp;
<h2>Specifications context</h2>
&nbsp;
Bisulfite sequencing is widely regarded as the gold standard for DNA methylation analysis due to its high resolution and accuracy at single-base level, but it also introduces specific DNA quality challenges for downstream library preparation and sequencing, particularly for samples already of poor quality like FFPE tissue. As of 2026, enzymatic conversion is increasingly recommended as the preferred alternative to bisulfite conversion specifically because it achieves comparable discrimination between methylated and unmethylated cytosines while minimizing the DNA damage and library complexity loss that harsh bisulfite chemistry introduces.
This category sits within DNA/RNA Methylation under Epigenetics, and for a synthetic, fully methylated positive control to run through the conversion workflow, see dNTPs (Deoxynucleotide Triphosphates). See the full reagents catalog and use Quick Order for recurring orders.
<a href="https://mbpinc.net/contact-us">Contact the expert team</a> at MBP and request a quote today to get high-quality bisulfite conversion reagents for your lab.

Bisulfite Conversion Reagents & Buffers

L-Desulphonation Buffer

D5046-5 by Zymo Research — L-Desulphonation Buffer; 80 mL; for in-column desulphonation of bisulfite-converted DNA; compatible with EZ DNA Methylation-Lightning kits (D5046, D5047); made in USA.

L-Desulphonation Buffer (80 ml)

L-Desulphonation Buffer (40 ml)

L-Desulphonation Buffer (10 ml)

Lightning Conversion Reagents

D5030-1 by Zymo Research — Lightning Conversion Reagent; 1.5 mL ready-to-use; &gt;99.5% bisulfite conversion efficiency; 100 pg–2 µg DNA input; 98°C 8 min / 54°C 60 min protocol; room temperature storage.

Lightning Conversion Reagent (1 Tube) (1.5 ml)

Lightning Conversion Reagent (15 ml)

D4311-Data Sheet

Quick Protocol

Load N’ Go ZymoBIOMICS DNA MagBead (96 preps)

D4311 by Zymo Research: Load N' Go™ ZymoBIOMICS™ DNA MagBead Kit, 96 preps. Pre-filled reagent plates — load samples and run. 5 µg binding capacity; 100 µl elution; 15–20 kb DNA; 75% hands-on time reduction. Compatible with KingFisher, Tecan Fluent, Hamilton, and Opentrons OT-2. Made in USA.

Bead Beating System

Bioburden

DNA Integrity

Sample Sources

D5001-3-MSDS

M-Binding Buffer

The D5001-3 by Zymo Research is M-Binding Buffer (20 ml), the Zymo-Spin column binding reagent for purification of bisulfite-converted DNA in EZ DNA Methylation, EZ DNA Methylation-Gold, EZ DNA Methylation-Direct, and EZ DNA Methylation-Lightning kits. Sold as a standalone replacement buffer for labs running high-volume bisulfite conversion workflows. Made in the USA.

M-Binding Buffer (20 ml)

M-Binding Buffer (80 ml)

M-Binding Buffer (250 ml)

M-Binding Buffer (100 ml)

D5005-3-MSDS

M-Binding Buffer-Gold

D5005-3 by Zymo Research is the M-Binding Buffer-Gold (30 ml), used in the Zymo-Spin IC column binding step following bisulfite conversion in the EZ DNA Methylation-Gold Kit (D5005/D5006). Conditions converted single-stranded DNA for silica membrane capture in the Gold Kit's 3-hour workflow (&gt;99% conversion, &gt;75% recovery). Not interchangeable with the M-Binding Buffer from EZ DNA Methylation Kit (D5001). Room temperature storage. Made in USA by Zymo Research.