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At least 703 records · Page 39Linked to original sources
PubMed1990

Organization of rat uricase chromosomal gene differs greatly from that of the corresponding plant gene.

The rat chromosomal gene for uricase was cloned. The gene spans more than 20 kilobases and the coding region is divided into 8 exons by 7 introns. The organization of the rat uricase gene is so greatly different from that of the soybean gene that the difference may not have been caused only by the removal of some ancestral introns during the period of widely separated evolution.

Amino Acid Sequence↗
PubMed1990

Two rabbit uricase mRNAs and their tissue-specific expression.

Presence of two uricase mRNA species in rabbit was revealed by cDNA cloning. They were different only in the 5'-non-coding region. Their hepatic and extra-hepatic expression in a tissue-specific manner was demonstrated by Northern blot and primer extension analyses.

Animals↗
PubMed1995

Estimation of dolichol and cholesterol synthesis in microsomes and peroxisomes isolated from rat liver.

The participation of peroxisomal and microsomal fractions from rat liver in dolichol and cholesterol synthesis was investigated using marker enzymes. Recovery was 8% for peroxisomes and 33% for microsomes, with virtually no cross-contamination between these fractions. Using these data, it was calculated that the peroxisomal branch-point enzyme activities for dolichol and cholesterol biosynthesis, i.e. cis-prenyltransferase and squalene synthase, were 25% and 12%, respectively, of the total homogenate activity. Treatment with mevinolin increased the peroxisomal contribution in the case of both enzymes, to levels almost equal to that of their microsomal counterparts. These results indicate that peroxisomes play a role in the biosynthesis of isoprenoid lipids and that the extent of this participation is increased extensively when peroxisomes are induced by various treatments.

Animals↗