Photoregulation of DNA photolyases in broom Sorghum seedlings

被引：9

作者：

Hada, M

Buchholz, G

Hashimoto, T

Nikaido, O

Wellmann, E

机构：

[1] Kobe Univ, Fac Sci, Dept Biol, Nada Ku, Kobe, Hyogo 6578501, Japan

[2] Univ Freiburg, Inst Biol 2, Freiburg, Germany

[3] Kobe Womens Univ, Dept Life Sci, Kobe, Hyogo, Japan

[4] Kanazawa Univ, Fac Pharmaceut Sci, Div Radiat Biol, Kanazawa, Ishikawa, Japan

来源：

PHOTOCHEMISTRY AND PHOTOBIOLOGY | 1999年 / 69卷 / 06期

关键词：

D O I：

10.1111/j.1751-1097.1999.tb03346.x

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Using dark-grown 3 day-old Sorghum bicolor seedlings, photorepair of cyclobutane pyrimidine dimers (CPD) by CPD-photolyase and pyrimidine-(6-4)pyrimidinone photoproducts ([6-4]PP) by [6-4]PP-photolyase was studied in vivo and in vitro. The two types of DNA photoproducts were measured with specific monoclonal antibodies. Sorghum seedlings have different photorepair enzymes for CPD and [6-4]PP. The CPD-photolyase was found to be increased in response to light with maximal efficiency in the UVA/blue spectral range, whereas [6-4]PP-photolyase was not influenced by light.

引用

页码：681 / 685

页数：5

共 29 条

[1] An enzyme similar to animal type II photolyases mediates photoreactivation in Arabidopsis [J].