Nomenclature Server

This server controls the allelic nomenclature of core genome MLST (cgMLST) bacterial gene schemes. Currently submission of new alleles and optional metadata is only possible by use of the SeqSphere+ software. A cgMLST scheme is a fixed and agreed upon number of genes for each species or group of closely related species that is ideally suited to standardize whole genome sequencing (WGS) based bacterial genotyping. By cgMLST very closely related genomes are 'lumped' together in a Complex Type (CT). In addition, this server controls the allelic nomenclature of the accessory genes of the species seed genomes.

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SchemeTarget CountStrain Count
Acinetobacter baumannii cgMLST2,3904,671
Brucella melitensis cgMLST2,70488
Clostridioides difficile cgMLST2,2704,520
Enterococcus faecium cgMLST1,42310,672
Francisella tularensis cgMLST1,147240
Klebsiella pneumoniae/variicola/quasipneumoniae cgMLST2,3585,929
Legionella pneumophila cgMLST1,521843
Listeria monocytogenes cgMLST1,70119,006
Mycobacterium tuberculosis/bovis/africanum/canettii cgMLST2,89135,535
Mycoplasma gallisepticum cgMLST42565
Staphylococcus aureus cgMLST1,86121,090
Implemented and maintained by Ridom GmbH, Germany
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