Effects of Base Sequence Context on Translesion Synthesis Past a Bulky (+)-trans-anti-B[a]P-N2-dG Lesion Catalyzed by the Y-family Polymerase pol κ†

Biochemistry ◽  
2003 ◽  
Vol 42 (8) ◽  
pp. 2456-2466 ◽  
Author(s):  
Xuanwei Huang ◽  
Alexander Kolbanovskiy ◽  
Xiaohua Wu ◽  
Yanbin Zhang ◽  
Zhigang Wang ◽  
...  
2018 ◽  
Vol 131 (12) ◽  
pp. jcs212183 ◽  
Author(s):  
Kiminori Kurashima ◽  
Takayuki Sekimoto ◽  
Tsukasa Oda ◽  
Tsuyoshi Kawabata ◽  
Fumio Hanaoka ◽  
...  

DNA Repair ◽  
2016 ◽  
Vol 46 ◽  
pp. 55-60 ◽  
Author(s):  
Keiji Hashimoto ◽  
Radha Bonala ◽  
Francis Johnson ◽  
Arthur P. Grollman ◽  
Masaaki Moriya

2010 ◽  
Vol 399 (3) ◽  
pp. 397-409 ◽  
Author(s):  
Yuqin Cai ◽  
Konstantin Kropachev ◽  
Rong Xu ◽  
Yijin Tang ◽  
Marina Kolbanovskii ◽  
...  

Biochemistry ◽  
2003 ◽  
Vol 42 (8) ◽  
pp. 2339-2354 ◽  
Author(s):  
Shixiang Yan ◽  
Min Wu ◽  
Tonko Buterin ◽  
Hanspeter Naegeli ◽  
Nicholas E. Geacintov ◽  
...  

2010 ◽  
Vol 404 (1) ◽  
pp. 34-44 ◽  
Author(s):  
Jeong-Yun Choi ◽  
Seonhee Lim ◽  
Eun-Jin Kim ◽  
Ara Jo ◽  
F. Peter Guengerich

2021 ◽  
Author(s):  
Jung-Hoon Yoon ◽  
Robert E. Johnson ◽  
Louise Prakash ◽  
Satya Prakash

Chemotherapy with cisplatin becomes limiting due to toxicity and secondary malignancies. In principle, therapeutics could be improved by targeting translesion synthesis (TLS) polymerases (Pols) that promote replication through intrastrand cross-links, the major cisplatin-induced DNA adduct. However, to specifically target malignancies with minimal adverse effects on normal cells, a good understanding of TLS mechanisms in normal versus cancer cells is paramount. We show that in normal cells, TLS through cisplatin intrastrand cross-links is promoted by Polη- or Polι-dependent pathways, both of which require Rev1 as a scaffolding component. In contrast, cancer cells require Rev1-Polζ. Our findings that a recently identified Rev1 inhibitor, JH-RE-06, purported to specifically disrupt Rev1 interaction with Polζ to block TLS through cisplatin adducts in cancer cells, abrogates Rev1's ability to function with Y family Pols as well, implying that by inactivating Rev1-dependent TLS in normal cells, this inhibitor will exacerbate the toxicity and tumorigenicity of chemotherapeutics with cisplatin.


2007 ◽  
Vol 371 (5) ◽  
pp. 1151-1162 ◽  
Author(s):  
Manabu Yasui ◽  
Naomi Suzuki ◽  
Xiaoping Liu ◽  
Yoshinori Okamoto ◽  
Sung Yeon Kim ◽  
...  

2011 ◽  
Vol 192 (2) ◽  
pp. 219-227 ◽  
Author(s):  
Thomas Göhler ◽  
Simone Sabbioneda ◽  
Catherine M. Green ◽  
Alan R. Lehmann

DNA polymerase η (polη) belongs to the Y-family of DNA polymerases and facilitates translesion synthesis past UV damage. We show that, after UV irradiation, polη becomes phosphorylated at Ser601 by the ataxia-telangiectasia mutated and Rad3-related (ATR) kinase. DNA damage–induced phosphorylation of polη depends on its physical interaction with Rad18 but is independent of PCNA monoubiquitination. It requires the ubiquitin-binding domain of polη but not its PCNA-interacting motif. ATR-dependent phosphorylation of polη is necessary to restore normal survival and postreplication repair after ultraviolet irradiation in xeroderma pigmentosum variant fibroblasts, and is involved in the checkpoint response to UV damage. Taken together, our results provide evidence for a link between DNA damage–induced checkpoint activation and translesion synthesis in mammalian cells.


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