the witches’ broom disease of lime trees is a destructing disease caused by the bacterium candidatus phytoplasma aurantofolia (1). the disease is prevalent in oman,united arab emirates and iran. to restrict the spread ofthe infected trees, detection of the causative bacteriumis crucial. besides pcr-based methods, antibodies can beapplied for detection of pathogen-infected cells.recently shahrya...

Reactivation of Epstein-Barr virus infection and polyclonal expansion of lymphocytes is well-documented in solid organ and hematopoietic stem cell transplant recipients and is considered a potential precursor to lymphoma. We report an analogous case of posttransplantation polyclonal lymphoproliferative disorder in a patient with human immunodeficiency virus infection who was successfully treate...