Changes in the DNA polymerase beta gene expression during development of lung, brain, and testis suggest an involvement of the enzyme in DNA recombination.

Abstract:

:Changes in the expression pattern of DNA polymerase beta gene during rat lung, brain, and testis development have been investigated. A decrease in the level of beta-pol mRNA was observed during postnatal development of lung and brain. By contrast, an almost 20-fold increase in the level of beta-pol mRNA was observed during spermatogenesis. For most adult rat tissues the abundance of beta-pol mRNA was low compared with that of beta-actin mRNA. Northern blot analysis revealed four distinct transcripts hybridizing to beta-pol probes. At least two of them, 1.4 kb and 4.0 kb, were products of a beta-polymerase gene. The changes in the expression pattern during lung and brain development, and during spermatogenesis, suggest involvement of DNA polymerase beta in gap-filling DNA synthesis during recombination.

journal_name

Exp Cell Res

authors

Nowak R,Woszczynski M,Siedlecki JA

doi

10.1016/0014-4827(90)90034-8

subject

Has Abstract

pub_date

1990-11-01 00:00:00

pages

51-6

issue

1

eissn

0014-4827

issn

1090-2422

pii

0014-4827(90)90034-8

journal_volume

191

pub_type

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