Diagnostic Testing
Bacterial 16S rRNA V3 V4 Amplicon Sequencing and Analysis
Bacterial 16S rRNA V3-V4 amplicon sequencing and analysis for research microbial-community profiling, not infection diagnosis.
About this service
The named method sequences V3-V4 regions of the bacterial 16S rRNA gene to characterize marker sequences in an agreed research sample. Primer and database choice affect results, and closely related organisms may not be resolved to species. Relative read abundance is not a direct cell count; the method does not establish viability, pathogenicity or disease causation.
Service highlights
- Targets bacterial 16S rRNA V3-V4 regions.
- Supports research characterization of bacterial communities.
- Taxonomic and abundance resolution depend on the assay and references.
Who may consider it
- Microbiome and microbial-ecology researchers.
- Laboratories studying bacterial communities.
What to expect
Confirm current project availability and quote. Agree sample matrix and whether the provider accepts specimen, extracted DNA, amplicons/library or raw data; confirm extraction, PCR/library preparation, sequencing, analysis, controls and deliverables. No current SOP or turnaround is provided.
Scope and limitations
This is marker-gene profiling, not a comprehensive bacterial census, culture replacement, infection diagnostic or treatment guide. Results may not resolve each species and do not establish viable organisms or clinical cause.
Frequently asked questions
What does V3-V4 amplicon sequencing do?
It sequences selected bacterial 16S rRNA regions for research community profiling.
Can it identify and count all bacteria?
No. Marker coverage and taxonomic resolution vary; sequence proportions are not direct organism counts.
Can it diagnose an infection?
No clinical diagnostic use is established. Confirm project inputs, availability and quote.