Thank you for your help! I like this Venn diagram maker, I usually use venny, but it does have some limitations, for example it does not have to choose the color etc.
I've grouped the otus for pick_closed_reference.py and to know which OTUs are shared between the groups I used the group_significance.py script. Is correct?
But I would like to cite genera, not OTUs. Do you have a script that does this?
One thing I doubted is: when I make this comparison of shared OTUs between groups, many OTUs are unique. However, when I do alpha diversity statistics, there is no significant difference between the groups. Do you know any explanation?