The methylation pattern of a cytosine DNA-methyltransferase gene in Arabidopsis thaliana plants
1996
Kutueva, L.I. | Ashapkin, V.V. | Vanyushin, B.F.
Using a PCR-amplified 5'-end proximal 600 bp fragment and two cDNA clones of cytosine DNA-methyltransferase gene of Arabidopsis thaliana as specific probes in hybridization with plant DNA samples, hydrolyzed by methylation-sensitive restriction endonucleases HpaII and MspI, it has been established that CCGG sites located in the 5'-end proximal part of cytosine DNA-methyltransferase gene are highly methylated at internal C and less but detectably methylated at external C residues. On the contrary, all CCGG sites in 3'-terminal half of the coding region were found to be unmethylated at both external and internal C residues. No significant differences between methylation patterns of cytosine DNA-methyltransferase gene in various organs (leaf, stem, flower) of the Arabidopsis thaliana plant were detected.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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