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Microbial Iso-Seq


Bacterial, fungal, viral, and other microbial RNA-Seq can provide unbiased strand-specific information on novel and known transcripts and help annotate and quantify microbial transcripts. Microbial isoform sequencing (Iso-Seq) is ideal for analysis of microbial transcriptomes and gene fusion events, and characterization of gene isoforms and alternative splicing events. Our microbial iso-seq service can provide full-length reads with no assembly needed, spanning entire transcript isoforms from the polyA-tail to the 5′ end, based on PacBio Single Molecular, Real-Time (SMRT) technology.

Our Advantages:
  • An efficient standard workflow, fast turnaround time, and comprehensive bioinformatics analyses in a cost-effective way.
  • Large sequencing capacity and effective methodology: advanced PacBio and Illumina sequencing platforms.
  • Provide comprehensive data analysis by using widely accepted mainstream software and mature in-house pipeline for discovery of novel transcripts, function annotations and differential expressions.
  • Keep up with the frontiers of bioinformatics analysis, evolutionary genomics and molecular epidemiology.
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Introduction to Our Microbial Iso-Seq

Our fungal iso-seq or bacterial iso-seq can offer complete solutions for full-length transcript sequencing and is a powerful technique to identify both high and low expressors in a single bacterial or microbial population or community by using combined Illumina and PacBio SMRT sequencing platforms. PacBio SMRT sequencing enables sequencing of contiguous full-length transcripts and captures each transcript’s start, splice sites, and polyadenylation from a single read. Illumina short reads are further mapped to the PacBio SMRT full-length transcripts for more accurate quantification analysis and for error correction.

Microbial iso-seq is becoming increasingly important for both clinical science & practice and basic research. It enables accurate characterization of the diverse landscape of transcript isoforms, further providing key information on the functional biology of genomes for developing potential applications of these abundant microbes in disease, medicine, agriculture, and environment, for example, predicting resistance to specific antibiotics, quantifying gene expression changes, understanding host-pathogen immune interactions, and tracking disease progression.

Microbial Iso-Seq Workflow

Bioinformatics Analysis

Our bioinformatics analysis includes transcriptome analysis, structure analysis, expression correlation and differential expression analysis, which is flexible to your needs. Please feel free to contact us to discuss your project.

Bioinformatics Pipelines Details
Transcriptome Assembly Mapping to reference; de novo assembly, transcript classification
Transcriptome Analysis Novel genes, novel isoforms, structural category, length distribution, spice junction, transcriptome diversity
Structure Analysis Gene ontology, Swissport, lncRNA prediction, transcription factor, fusion transcript, alternative splicing, alternative polyA adenylation
Expression Correlation Expression boxplot, expression heatCluster
Differential Expression Go enrichment analysis, KEGG enrichment analysis

Sample requirements

References

  1. Philippot L, Abbate C, Bispo A, et al. Soil microbial diversity: an ISO standard for soil DNA extraction. J Soils Sediments. 2010, 10:1344–1345.
  2. Rhoads A, Au KF. PacBio Sequencing and Its Applications. Genomics Proteomics Bioinformatics. 2015,13(5): 278–289.
  3. Sahlin K, Tomaszkiewicz M, Makova KD, et al. Deciphering highly similar multigene family transcripts from Iso-Seq data with IsoCon. Nat Commun. 2018, 9: 4601.

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