Reassembly of peroxisomes in Hansenula polymorpha pex3 cells on reintroduction of Pex3p involves the nuclear envelope
نویسندگان
چکیده
منابع مشابه
Normal peroxisome development from vesicles induced by truncated Hansenula polymorpha Pex3p.
We show that the synthesis of the N-terminal 50 amino acids of Pex3p (Pex3p(1-50)) in Hansenula polymorpha pex3 cells is associated with the formation of vesicular membrane structures. Biochemical and ultrastructural findings suggest that the nuclear membrane is the donor membrane compartment of these vesicles. These structures also contain Pex14p and can develop into functional peroxisomes aft...
متن کاملDeviant Pex3p levels affect normal peroxisome formation in Hansenula polymorpha: high steady-state levels of the protein fully abolish matrix protein import.
PEX3 encodes at 52 kDa peroxisomal membrane protein (PMP), essential for peroxisome biogenesis in the yeast Hansenula polymorpha. The relation between Pex3p levels and peroxisome formation was studied in wild type (WT) and delta pex3 strains expressing additional copies of PEX3 under control of a substrate-inducible promoter, namely the strong alcohol oxidase (PAOX) or the weaker amine oxidase ...
متن کاملPeroxisome reintroduction in Hansenula polymorpha requires Pex25 and Rho1
We identified two proteins, Pex25 and Rho1, which are involved in reintroduction of peroxisomes in peroxisome-deficient yeast cells. These are, together with Pex3, the first proteins identified as essential for this process. Of the three members of the Hansenula polymorpha Pex11 protein family-Pex11, Pex25, and Pex11C-only Pex25 was required for reintroduction of peroxisomes into a peroxisome-d...
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ژورنال
عنوان ژورنال: FEMS Yeast Research
سال: 2006
ISSN: 1567-1356
DOI: 10.1111/j.1567-1364.2006.00037.x