passages.id: split_1_test_1360_passage
passages.type: progene_text
passages.text: The expression of CTA1 , POX1 and PEX1 genes encoding the peroxisomal proteins catalase A , acyl-CoA oxidase and Pex1p peroxin respectively was studied under various conditions : in anaerobiosis , in the absence of haem and in respiratory incompetence caused by the lack of a mitochondrial genome ( rho ( 0 ) ) .