The strain library
The NAICONS microbial collection comprises 45k bacterial strains, mostly actinomycetes, isolated from >2,600 different sources. The strains were isolated using proprietary methods that favored slow-germinating strains or those producing motile spores. Most strains were isolated during the 1996-2006 period. The collection was acquired by NAICONS Srl in September 2013 and is fully ABS compliant.
As of November 2023, 28% of the collection is classified on the basis of 16S sequence data: there are over 100 genera belonging to 29 different families.
The remaining 32k strains are classified, on the basis of morphology only, into 18 distinct families. The 16S-classified portion of the library is currently expanding. In addition, full genome sequences are available for about 500 strains.
The extract libraries
Most extracts (59,640) were prepared with the current procedure starting from 8520 cultures from 7334 different strains. The remaining 7,440 extracts were prepared with the old procedure, starting from 3,720 cultures from 2,901 strains.
The extract library is being expanded by processing additional strains with the current procedure.