.. option::    --seeds seeds

        Seed sequences; either a fasta file containing seeds
        sequences (nucleic or proteic) or the name of an internal
        set of seeds among:

            - ``nucrRNAAHypogastrura``
            - ``nucrRNAArabidopsis``
            - ``protChloroArabidopsis``
            - ``protMitoCapra``
            - ``protMitoMachaon``
            

          