rMAP-Myc-Candida surveillance report

Integrated Candida fungal genomics report

This report summarizes paired-end fungal genome analysis for Candida-focused surveillance, combining read QC, Kraken2/Bracken species typing, MEGAHIT assembly, QUAST-only assembly contiguity assessment, and genomic antifungal-resistance screening.

Run generated: 2026-05-31 15:17:50 UTCRun stamp: 20260531_151750_UTCCustom Candida Kraken2/Bracken DBMEGAHIT assembly
Samples analyzed4
Top species groups1
Total AMR hits2
Median N5081,340

1. Executive summary

The primary detected fungal species group was Candidozyma auris. The sample-level cards below provide a compact interpretation of species assignment, QUAST assembly-contiguity metrics, phylogeny status, and genomic AMR screening status.

Interpretation note: genomic antifungal-resistance findings should be treated as screening evidence. Clinically important results should be interpreted with isolate metadata, species identity, validated mutation catalogues, and phenotypic antifungal susceptibility testing where required.

Species distribution

Candidozyma auris
4

2. Surveillance readiness and interpretation dashboard

This integrated table combines species confidence, QUAST assembly-contiguity metrics, AMR marker status, phylogeny eligibility, and optional metadata into a practical surveillance-readiness view.

SampleCollection datesitespeciesSpecies confidenceAssembly QCQUAST contiguity QCAMR screenPhylogenySurveillance statusReason / note
SRR192142122021-04LagosCandidozyma aurisHighReviewReview1 marker(s)Included / eligibleReviewQUAST assembly QC; AMR marker detected
SRR192142132021-03LagosCandidozyma aurisHighPassPassNo curated marker detectedIncluded / eligibleReady for surveillance interpretationNo major automated warning flags using species typing, QUAST assembly QC, AMR screening, and phylogeny status
SRR192142142021-02LagosCandidozyma aurisHighPassPassNo curated marker detectedIncluded / eligibleReady for surveillance interpretationNo major automated warning flags using species typing, QUAST assembly QC, AMR screening, and phylogeny status
SRR192142152021-02LagosCandidozyma aurisHighPassPass1 marker(s)Included / eligibleReviewAMR marker detected

3. Surveillance metadata

Samplecountrysitecollection_datespecimen_typepatient_groupward_or_facilitysequencing_platform
SRR19214215NigeriaLagos2021-02bloodhumanLagosILLUMINA; Illumina MiSeq
SRR19214212NigeriaLagos2021-04bloodhumanLagosILLUMINA; Illumina MiSeq
SRR19214213NigeriaLagos2021-03bloodhumanLagosILLUMINA; Illumina MiSeq
SRR19214214NigeriaLagos2021-02bloodhumanLagosILLUMINA; Illumina MiSeq

4. Sample-level surveillance summary

SRR19214212

Candidozyma auris Review
Species reads98.09%
Contigs8,519
N508,028
GC (%)38.76

1 AMR hit(s) Species confidence: High Phylogeny: Included / eligible

Interpretation: QUAST assembly QC; AMR marker detected. Species note: Top species abundance ≥95%. Phylogeny note: Species group passed phylogeny stage (4 samples)

SRR19214213

Candidozyma auris Ready for surveillance interpretation
Species reads99.52%
Contigs286
N5084,821
GC (%)45.09

No curated genomic AMR marker detected — not susceptible Species confidence: High Phylogeny: Included / eligible

Interpretation: No major automated warning flags using species typing, QUAST assembly QC, AMR screening, and phylogeny status. Species note: Top species abundance ≥95%. Phylogeny note: Species group passed phylogeny stage (4 samples)

SRR19214214

Candidozyma auris Ready for surveillance interpretation
Species reads99.23%
Contigs295
N5079,213
GC (%)45.09

No curated genomic AMR marker detected — not susceptible Species confidence: High Phylogeny: Included / eligible

Interpretation: No major automated warning flags using species typing, QUAST assembly QC, AMR screening, and phylogeny status. Species note: Top species abundance ≥95%. Phylogeny note: Species group passed phylogeny stage (4 samples)

SRR19214215

Candidozyma auris Review
Species reads98.41%
Contigs300
N5083,466
GC (%)45.03

1 AMR hit(s) Species confidence: High Phylogeny: Included / eligible

Interpretation: AMR marker detected. Species note: Top species abundance ≥95%. Phylogeny note: Species group passed phylogeny stage (4 samples)

5. Candida species typing using Kraken2/Bracken

Top species calls are derived from the custom Candida-focused Kraken2/Bracken database bundled in the species-typing Docker image.

SampleTop speciesReads (%)clade_readstaxon_readstaxidevidence
SRR19214212Candidozyma auris
98.09%
2,142,6572,142,657498019Bracken species-level abundance
SRR19214213Candidozyma auris
99.52%
4,139,4594,139,459498019Bracken species-level abundance
SRR19214214Candidozyma auris
99.23%
3,195,8313,195,831498019Bracken species-level abundance
SRR19214215Candidozyma auris
98.41%
2,451,9112,451,911498019Bracken species-level abundance

6. MEGAHIT assembly summary

SamplecontigsTotal bpN50Largest contig
SRR192142128,51931,436,2598,028405,307
SRR1921421328612,330,59984,821305,683
SRR1921421429512,315,23679,213269,740
SRR1921421530012,358,56083,466474,419

7. Assembly quality assessment with QUAST

QUAST values are parsed from the native per-sample report.tsv format and transposed into one row per sample. This default surveillance mode reports QUAST assembly contiguity metrics such as contig count, total length, N50, largest contig, and GC percentage. It is very fast. BUSCO and Compleasm tasks are available as optional modules, but they are disabled by default in the recommended JSON and are not required for this QUAST-based assembly assessment.

Sample# contigsLargest contigTotal lengthGC (%)N50
SRR192142128,519405,30731,436,25938.768,028
SRR19214213286305,68312,330,59945.0984,821
SRR19214214295269,74012,315,23645.0979,213
SRR19214215300474,41912,358,56045.0383,466

8. Fungal antifungal-resistance characterization

This section reports mutation/gene-level evidence emitted by the configured fungal AMR container. A “No marker detected” result is not a susceptible call. Fluconazole resistance can be caused by ERG11 alterations, TAC1/UPC2/MRR1/PDR1-mediated efflux, aneuploidy/LOH, copy-number changes, species-specific mechanisms, or markers absent from the current AMR database.

Samplespeciesdrug_classdrugGene / statusmutationeffectevidence_levelinterpretation
SRR19214212Candidozyma aurisazole/echinocandin/polyene/flucytosinefluconazole/other azoles/echinocandins/amphotericin_B/flucytosineCyp51Y132FFungAMR MUTATIONFungAMR curated marker detected by ChroQueTasCurated ChroQueTas/FungAMR marker detected: Cyp51 Y132F (FungAMR MUTATION). Drug evidence from ChroQueTas: 5-fluorocytosine(NA/-8),Amphotericin_B(8/-8),Anidulafungin(NA/-8),Caspofungin(8/-8),Fluconazole(2/-8),Itraconazole(8/-8),Micafungin(NA/-8),Posaconazole(8/-8),Voriconazole(2/-8). Source: amr_out/SRR19214212.ChroQueTas/SRR19214212.contigs.ChroQueTaS.Cyp51.1.tsv:132
SRR19214213Candidozyma aurisazole/otherfluconazole/otherNo marker — not susceptibleNANAscanner_detected_candidate_markerThe AMR scanner produced text consistent with a possible curated resistance marker, but rc151 could not parse an exact ChroQueTas marker row. Review fungal_amr.raw.tsv and fungal_amr.log for the exact record: amr_out/SRR19214213.ChroQueTas.AMR_summary.tsv No AMR mutations found in SRR19214213.contigs
SRR19214214Candidozyma aurisazole/otherfluconazole/otherNo marker — not susceptibleNANAscanner_detected_candidate_markerThe AMR scanner produced text consistent with a possible curated resistance marker, but rc151 could not parse an exact ChroQueTas marker row. Review fungal_amr.raw.tsv and fungal_amr.log for the exact record: amr_out/SRR19214214.ChroQueTas.AMR_summary.tsv No AMR mutations found in SRR19214214.contigs
SRR19214215Candidozyma aurisazole/echinocandin/polyene/flucytosinefluconazole/other azoles/echinocandins/amphotericin_B/flucytosineCyp51Y132FFungAMR MUTATIONFungAMR curated marker detected by ChroQueTasCurated ChroQueTas/FungAMR marker detected: Cyp51 Y132F (FungAMR MUTATION). Drug evidence from ChroQueTas: 5-fluorocytosine(NA/-8),Amphotericin_B(8/-8),Anidulafungin(NA/-8),Caspofungin(8/-8),Fluconazole(2/-8),Itraconazole(8/-8),Micafungin(NA/-8),Posaconazole(8/-8),Voriconazole(2/-8). Source: amr_out/SRR19214215.ChroQueTas/SRR19214215.contigs.ChroQueTaS.Cyp51.1.tsv:132

9. Species-aware core-SNP phylogeny

When enabled, rMAP-Candida builds phylogenies separately for each species with sufficient samples and a matching reference. Mixed-species phylogenies are intentionally avoided. Outputs include species-group summaries, core-SNP alignments, and IQ-TREE Newick trees.

SpeciesStatusSamplesVariant-calling branchPloidy modelCore variable sitesNotes
Candidozyma aurisPASS4snippy_core_rc170_tb_styleNA199274rc170 used the rMAP-TB-style Snippy -> snippy-core branch. Species grouping was based on Kraken2/Bracken top-species calls; mixed-species trees are intentionally avoided. Recombination is not explicitly filtered.

Candidozyma auris

Candidozyma auris core-SNP phylogenetic tree
Phylogeny interpretation note: rMAP-Candida builds one tree per species. Mixed-species Candida phylogenies are intentionally avoided. Treat these trees as species-level genomic relatedness visualizations unless recombination filtering and epidemiologic metadata support transmission interpretation.

10. Species-aware pairwise SNP distances and closest-neighbor summary

Closest-neighbor summary

speciesSampleClosest sampleSNP distanceConservative cluster flag
Candidozyma aurisSRR19214212SRR19214215225Distinct / review with metadata
Candidozyma aurisSRR19214213SRR19214214235Distinct / review with metadata
Candidozyma aurisSRR19214214SRR19214213235Distinct / review with metadata
Candidozyma aurisSRR19214215SRR19214212225Distinct / review with metadata

Pairwise SNP-distance matrix/table

speciesSample ASample BSNP distanceCompared core-SNP sites
Candidozyma aurisSRR19214212SRR19214213166198199274
Candidozyma aurisSRR19214212SRR19214214166208199274
Candidozyma aurisSRR19214212SRR19214215225199274
Candidozyma aurisSRR19214213SRR19214214235199274
Candidozyma aurisSRR19214213SRR19214215166227199274
Candidozyma aurisSRR19214214SRR19214215166210199274
SNP-distance interpretation: low SNP distances suggest close genetic relatedness but should not be interpreted as transmission without epidemiological metadata, recombination-aware analysis, and species-specific validation.

11. Output navigation and provenance

The workflow emits downloadable tabular outputs in addition to this integrated HTML report.

rMAP-Myc-Candida-Candida_summary.tsv
rMAP_Candida_surveillance_summary.tsv
rMAP_Candida_pairwise_snp_distances.tsv