Table 3.

Yeast proteins regulating PO abundancea and size

Proteins with dysferlin domains Deletion phenotypes (in organism listed in the first column) 
Protein Ortholog PO number in deletion strain PO size/other in deletion strain Reference 
OpPex23 YlPex23 Reduced Enhanced/most peroxisomal matrix proteins cytosolic Wu et al. (2020)  
OpPex24 YlPex24, KpPex24 Reduced Enhanced Wu et al. (2020)  
Proteins with dysferlin and reticulon homology domains Deletion phenotypes (in organism listed in the first column) 
ScPex28  Enhanced in oleate Reduced and clustered in oleate Vizeacoumar et al. (2003)  
ScPex29 OpPex29, KpPex29 Enhanced in oleate Reduced and clustered in oleate Mast et al. (2016); Vizeacoumar et al. (2003)  
ScPex30 KpPex30 Enhanced in oleate; reduced upon PEX3 overexpression in galactose Unchanged in oleate David et al. (2013); Joshi et al. (2016); Mast et al. (2016); Vizeacoumar et al. (2004)  
ScPex31 KpPex31 Unchanged in oleate; reduced upon PEX3 overexpression in galactose Enhanced in oleate Joshi et al. (2016); Mast et al. (2016); Vizeacoumar et al. (2004)  
ScPex32 OpPex32 Unchanged in oleate Enhanced in oleate Vizeacoumar et al. (2004)  
Other proteins Deletion phenotypes (in organism listed in the first column) 
ScPex35 None reported Reduced in glucose and oleate Reduced in glucose Yofe et al. (2017)  
OpPex37 HsPXMP2 Reduced in glucose, not methanol PO segregation defect only in glucose, not methanol Singh et al. (2020)  
Proteins with dysferlin domains Deletion phenotypes (in organism listed in the first column) 
Protein Ortholog PO number in deletion strain PO size/other in deletion strain Reference 
OpPex23 YlPex23 Reduced Enhanced/most peroxisomal matrix proteins cytosolic Wu et al. (2020)  
OpPex24 YlPex24, KpPex24 Reduced Enhanced Wu et al. (2020)  
Proteins with dysferlin and reticulon homology domains Deletion phenotypes (in organism listed in the first column) 
ScPex28  Enhanced in oleate Reduced and clustered in oleate Vizeacoumar et al. (2003)  
ScPex29 OpPex29, KpPex29 Enhanced in oleate Reduced and clustered in oleate Mast et al. (2016); Vizeacoumar et al. (2003)  
ScPex30 KpPex30 Enhanced in oleate; reduced upon PEX3 overexpression in galactose Unchanged in oleate David et al. (2013); Joshi et al. (2016); Mast et al. (2016); Vizeacoumar et al. (2004)  
ScPex31 KpPex31 Unchanged in oleate; reduced upon PEX3 overexpression in galactose Enhanced in oleate Joshi et al. (2016); Mast et al. (2016); Vizeacoumar et al. (2004)  
ScPex32 OpPex32 Unchanged in oleate Enhanced in oleate Vizeacoumar et al. (2004)  
Other proteins Deletion phenotypes (in organism listed in the first column) 
ScPex35 None reported Reduced in glucose and oleate Reduced in glucose Yofe et al. (2017)  
OpPex37 HsPXMP2 Reduced in glucose, not methanol PO segregation defect only in glucose, not methanol Singh et al. (2020)  

Hs, H. sapiens; Kp, K. phaffii; Mm, M. musculus; Op, O. polymorpha; Sc, S. cerevisiae.

a

PO abundance could occur by one or more of the following mechanisms—increased de novo PO biogenesis or PO division, or reduced pexophagy.

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