cell cycle process microtubule organizing center organization spindle pole body organization A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of the spindle pole body (SPB). The SPB is the microtubule organizing center in fungi, and is functionally homologous to the animal cell centrosome. spindle pole body maturation GO:0051426 GO:0051300 SPB organization SPB maturation spindle pole body organization and biogenesis spindle pole body organisation biological_process