Frequently Asked Questions (FAQ)
How frequent are updates?
BioSamples Database content is updated daily. Information directly submitted or updated in a source should be reflected within 48 hours.
The software powering BioSamples is updated at the start of each month.
What pattern do BioSamples accessions follow?
BioSample accessions always begin with SAM. The next letter is either E or N depending if the sample information was originally submitted to EBI or NCBI respectively. After that, there may be an A or a G to denote an Assay sample or a Group of samples. Finally there is a numeric component that may or may not be zero-padded.