How to contribute?

The process to get your data in the database and to receive an YHRD accession number which you need for publication is as follows

Step 1

Each new contributor to the YHRD database has to pass a "Quality test", which means a correct typing of 5 blind DNA samples for the Y-STR markers which you are going to submit; the results will be evaluated and certified by us. This test is required only once, future contributions or updates of your samples will not require a new QC. Currently more than 190 labs from 49 countries have performed the YHRD QC test.

• please provide your mailing address; we send you a set of 5 blind samples;
• please type these blind samples for the markers which you want to upload to the database and publish
• please send the results to the following address lutz.roewer@charite.de as an e-mail attachment (e.g. MS Excel sheet)

Step 2

Please submit your population data to the same address; we perform a quality check of these data which includes (a) a plausibility check to find obvious typos and (b) a similarity / genetic distance check, which includes a comparison of your data with other closely related population samples from YHRD to find out whether your data deviate from the typical core haplotypes of the region. We use the AMOVA (Analysis of Molecular Variance) to test for genetic distances between your sample and reference samples (see Population Analysis)

Step 3

Once your lab has passed the QC and your data have been checked you receive an "Accession number" for each population sample, e.g.

• YA003197 for Beijing, China [Han]
• YA002904 for Berlin, Germany [German]

Please provide these accession numbers together with your paper to the editor of the journal.

Step 4

Once your publication is accepted for publication, we upload your data to the YHRD.

Step 5

Search the YHRD for your population by using the population name, e.g. Beijing, China [Han] or by accession number YA003197