. . "A spermatogenic failure characterized by male infertility due to error-prone meiosis of germ cells and spermatogenic arrest at the late pachytene stage that has_material_basis_in homozygous or compound heterozygous mutation in PNLDC1 on chromosome 6q25.3."^^ . "DOID:0112338"^^ . "SPGF57"^^ . _:vb50946527 . _:vb50946527 . _:vb50946527 . . "disease_ontology"^^ . "OMIM:619528"^^ . _:vb50946527 . _:vb50946527 . . "spermatogenic failure 57"^^ .