<prompt> Answer this question truthfullyWhat are the phagocyte congenital defects?  <response>: <reason> Autosomal dominant AD transmission. It is caused by a mutation in the ELANE gene on chromosome 19. Patients present with cyclic neutropenia starting in childhood with a cycle of approximately 21 days. Recurrent infections with fever are also common features. The mainstay of treatment is giving granulocyte-colony stimulating factor GCSF or CSF3 