Interstrand DNA-DNA cross-link formation between adenine residues and abasic sites in duplex DNA.
Interstrand DNA-DNA cross-link formation between adenine residues and abasic sites in duplex DNA.
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DOI:
10.1021/ja410969x
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发表时间:
2014-03-05
影响因子:
15
通讯作者:
Gates KS
中科院分区:
文献类型:
--
作者:
Price NE;Johnson KM;Wang J;Fekry MI;Wang Y;Gates KS
The loss of a coding nucleobase from the structure of DNA is a common event that generates an abasic (Ap) site (1). Ap sites exist as an equilibrating mixture of a cyclic hemiacetal and a ring-opened aldehyde. Aldehydes are electrophilic functional groups that can form covalent adducts with nucleophilic sites in DNA. Thus, Ap sites present a potentially reactive aldehyde as part of the internal structure of DNA. Here we report evidence that the aldehyde group of Ap sites in duplex DNA can form a covalent adduct with the N6-amino group of adenine residues on the opposing strand. The resulting interstrand DNA–DNA cross-link occurs at 5′-ApT/5′-AA sequences in remarkably high yields (15–70%) under physiologically relevant conditions. This naturally occurring DNA-templated reaction has the potential to generate cross-links in the genetic material of living cells.
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影响因子:
1.8
作者:
Amann, N;Wagenknecht, HA
通讯作者:
Wagenknecht, HA
DOI:
10.1039/jr9650004492
发表时间:
1965-01-01
期刊:
JOURNAL OF THE CHEMICAL SOCIETY
影响因子:
--
作者:
CAPON, B;CONNETT, BE
通讯作者:
CONNETT, BE
影响因子:
5.2
作者:
Angelov, Todor;Guainazzi, Angelo;Schaerer, Orlando D.
通讯作者:
Schaerer, Orlando D.
影响因子:
4.1
作者:
Dong, M;Wang, C;Dedon, PC
通讯作者:
Dedon, PC
影响因子:
4.1
作者:
Hermida, Silvia A. S.;Possari, Ediliz P. M.;Loureiro, A. Paula M.
通讯作者:
Loureiro, A. Paula M.