pirellulosome
A cytoplasmic structure found in bacterial phyla Planctomycetes and Verrucomicrobia containing a condensed nucleoid and ribosomes and surrounded by an intracytoplasmic membrane. It is surrounded by ribosome-free cytoplasm, in a compartment called the paryphoplasm.
GO:0043231
intracellular membrane-bounded organelle
is_a
GO:0005737
cytoplasm
part_of