Streptococcus mitis CdsA with mutation conferring daptomycin resistance

Accession ARO:3004097
CARD Short NameSmit_CdsA_DAP
DefinitionCdsA is a phosphatidate cytidylyltransferase which plays a role in the production of membrane phosphatidylglycerol and cardiolipin.
AMR Gene Familydaptomycin resistant CdsA
Drug Classpeptide antibiotic
Resistance Mechanismantibiotic target alteration
Classification10 ontology terms | Show
Parent Term(s)2 ontology terms | Show
+ daptomycin resistant CdsA [AMR Gene Family]
+ confers_resistance_to_antibiotic daptomycin [Antibiotic]
Publications

Mishra NN, et al. 2017. Antimicrob. Agents Chemother. 61(4): Perturbations of Phosphatidate Cytidylyltransferase (CdsA) Mediate Daptomycin Resistance in Streptococcus mitis/oralis by a Novel Mechanism. (PMID 28115347)

Resistomes

Prevalence of Streptococcus mitis CdsA with mutation conferring daptomycin resistance among the sequenced genomes, plasmids, and whole-genome shotgun assemblies available at NCBI or IslandViewer for 413 important pathogens (see methodological details and complete list of analyzed pathogens). Values reflect percentage of genomes, plasmids, genome islands, or whole-genome shotgun assemblies that have at least one hit to the AMR detection model. Default view includes percentages calculated based on Perfect plus Strict RGI hits. Select the checkbox to view percentages based on only Perfect matches to AMR reference sequences curated in CARD (note: this excludes resistance via mutation as references in protein variant models are often wild-type, sensitive sequences).

Prevalence: protein variant model

SpeciesNCBI ChromosomeNCBI PlasmidNCBI WGSNCBI GI
No prevalence data


Detection Models

Model Type: protein variant model

Model Definition: Protein Variant Models (PVM) perform a similar search as Protein Homolog Models (PHM), i.e. detect protein sequences based on their similarity to a curated reference sequence, but secondarily screen query sequences for curated sets of mutations to differentiate them from antibiotic susceptible wild-type alleles. PVMs are designed to detect AMR acquired via mutation of house-keeping genes or antibiotic targets, e.g. a mutated gyrase resistant to aminocoumarin antibiotics. PVMs include a protein reference sequence (often from antibiotic susceptible wild-type alleles), a curated bit-score cut-off, and mapped resistance variants. Mapped resistance variants may include any or all of single point mutations, insertions, or deletions curated from the scientific literature. A Strict RGI match has a BLASTP bit-score above the curated BLASTP cutoff value and contains at least one curated mutation from amongst the mapped resistance variants, while a Loose RGI match has a bit-score less than the curated BLASTP bit-score cut-off but still contains at least one curated mutation from amongst the mapped resistance variants.

Bit-score Cut-off (blastP): 475

Legend:

  • discovered in clinical, agricultural, or environmental isolates

  • discovered via laboratory selection experiments

  • ReSeqTB https://platform.reseqtb.org

Published Variants:


>gb|AQA08261.1|+|Streptococcus mitis CdsA with mutation conferring daptomycin resistance [Streptococcus oralis]
MTKDLQKRTLFAVLALAIFLPVLFAGGLLLQIGIGLLAMLGVHELLHMKGLKTMTIEGAL
TLFATFALTVPLENYLTFLPVDGNVVAYSVLITIMLGTTVFSKNYTIEDAAFPIAVSFYV
GFGFNALLDARVAGFDKVLLALFIVWATDSAAYLTGMNFGKHKLAPRVSPNKSIEGFVGG
ILGAVLITVIFMLVDSTVALPYGIYRMSLFAAFFSVAGQFGDLIESAMKRHFGVKDSGKF
IPGHGGVLDRFDSMLIVFPMMHLFGLF



>gb|CP019562.1|+|220126-220929|Streptococcus mitis CdsA with mutation conferring daptomycin resistance [Streptococcus oralis]
ATGACCAAGGATTTACAAAAGAGAACATTGTTTGCGGTATTGGCCCTGGCGATTTTCCTTCCAGTCTTGTTTGCGGGAGGGCTCTTGTTG
CAGATAGGGATTGGCTTGTTAGCGATGCTAGGCGTCCATGAACTCTTGCATATGAAGGGACTAAAGACTATGACCATTGAGGGTGCTTTG
ACTCTTTTTGCGACCTTCGCTCTCACAGTTCCTTTAGAAAATTACCTAACTTTTTTGCCTGTTGATGGAAATGTGGTTGCCTATAGTGTT
CTGATTACCATAATGCTAGGGACGACCGTTTTCAGTAAAAACTATACGATTGAAGATGCCGCTTTTCCAATTGCTGTGAGTTTTTATGTT
GGTTTTGGCTTCAATGCCTTACTAGATGCTCGGGTGGCAGGTTTTGACAAGGTACTTTTGGCCCTTTTTATCGTTTGGGCGACAGATAGC
GCAGCCTACCTGACAGGGATGAATTTTGGTAAACATAAGTTGGCTCCGAGAGTTTCTCCTAATAAGAGTATTGAGGGCTTTGTCGGTGGT
ATTCTAGGTGCGGTACTGATAACAGTGATTTTCATGTTAGTGGACAGCACAGTTGCTCTTCCTTATGGGATTTATAGAATGAGTCTCTTT
GCTGCCTTCTTCAGTGTGGCCGGTCAGTTTGGTGACTTGATTGAAAGTGCCATGAAACGCCATTTCGGTGTCAAGGATTCTGGCAAATTT
ATCCCTGGACATGGCGGTGTGTTGGATCGCTTTGACAGCATGCTGATTGTGTTTCCAATGATGCACTTATTTGGCCTGTTTTAA