Understanding How a New Hachimoji Nucleobase Alters Photodynamics of Genetic Building Blocks †
Understanding How a New Hachimoji Nucleobase Alters Photodynamics of Genetic Building Blocks †
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了解新的八字核碱基如何改变遗传构件的光动力学 –
DOI:
10.1111/php.13709
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发表时间:
2023
影响因子:
3.3
通讯作者:
de Vries, Mattanjah S.
中科院分区:
文献类型:
--
作者:
de Vries, Mattanjah S.
This article is a highlight of the paper by Krulet al. in this issue ofPhotochemistry and Photobiology. It describes the excited state dynamics of 5‐aza‐7‐deazaguanine (5N7CG), which has recently been proposed as an alternative nucleobase. Upon UV absorption to the lowest energy1ππ* state,5N7CG returns to the electronic ground state an order of magnitude more slowly than guanine with a corresponding greater fluorescence quantum yield. These findings are significant because they suggest that5N7CG is less UV photostable than its canonical nucleobase equivalent, which would have been a selective disadvantage in prebiotic conditions.
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DOI:
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发表时间:
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期刊:
The journal of physical chemistry. B
影响因子:
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