A Mutation in DNA Polymerase α Rescues WEE1(KO) Sensitivity to HU.
A Mutation in DNA Polymerase α Rescues WEE1(KO) Sensitivity to HU.
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DOI:
10.3390/ijms22179409
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发表时间:
2021-08-30
影响因子:
5.6
通讯作者:
De Veylder L
中科院分区:
文献类型:
--
作者:
Eekhout T;Pedroza-Garcia JA;Kalhorzadeh P;De Jaeger G;De Veylder L
During DNA replication, the WEE1 kinase is responsible for safeguarding genomic integrity by phosphorylating and thus inhibiting cyclin-dependent kinases (CDKs), which are the driving force of the cell cycle. Consequentially, wee1 mutant plants fail to respond properly to problems arising during DNA replication and are hypersensitive to replication stress. Here, we report the identification of the polα-2 mutant, mutated in the catalytic subunit of DNA polymerase α, as a suppressor mutant of wee1. The mutated protein appears to be less stable, causing a loss of interaction with its subunits and resulting in a prolonged S-phase.
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