Variability in allelic DNA methylation in spermatozoa.

Abstract:

:In certain segments of human DNA, the methylation of deoxycytidine residues has been found to be highly specific and interindividually conserved. Imprinted DNA sequences in diploid primary cells show allele-specific differences in DNA methylation, usually with the active chromosomal regions being unmethylated and the inactive regions being methylated. We show here that DNA from spermatozoa exhibits variations in allelic methylation patterns. Since germ cells are haploid, individual spermatozoa can differ in DNA methylation patterns not only in the maternally or paternally derived allele, but also within each allele.

journal_name

Hum Genet

journal_title

Human genetics

authors

Kochanek S,Renz D,Doerfler W

doi

10.1007/BF00202872

subject

Has Abstract

pub_date

1994-08-01 00:00:00

pages

203-6

issue

2

eissn

0340-6717

issn

1432-1203

journal_volume

94

pub_type

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