共 73 条
The Cucurbit[7]Uril-Based Supramolecular Chemistry for Reversible B/Z-DNA Transition
被引:30
作者:

Wang, Shao-Ru
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Wuhan Univ, Minist Educ, Key Lab Biomed Polymers, Coll Chem & Mol Sci, Wuhan 430072, Hubei, Peoples R China Wuhan Univ, Minist Educ, Key Lab Biomed Polymers, Coll Chem & Mol Sci, Wuhan 430072, Hubei, Peoples R China

Wang, Jia-Qi
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Wuhan Univ, Minist Educ, Key Lab Biomed Polymers, Coll Chem & Mol Sci, Wuhan 430072, Hubei, Peoples R China Wuhan Univ, Minist Educ, Key Lab Biomed Polymers, Coll Chem & Mol Sci, Wuhan 430072, Hubei, Peoples R China

Xu, Guo-Hua
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Chinese Acad Sci, Wuhan Inst Phys & Math, State Key Lab Magnet Resonance & Atom & Mol Phys, Key Lab Magnet Resonance Biol Syst, Wuhan 430071, Hubei, Peoples R China Wuhan Univ, Minist Educ, Key Lab Biomed Polymers, Coll Chem & Mol Sci, Wuhan 430072, Hubei, Peoples R China

Wei, Lai
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Wuhan Univ, Minist Educ, Key Lab Biomed Polymers, Coll Chem & Mol Sci, Wuhan 430072, Hubei, Peoples R China Wuhan Univ, Minist Educ, Key Lab Biomed Polymers, Coll Chem & Mol Sci, Wuhan 430072, Hubei, Peoples R China

Fu, Bo-Shi
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Wuhan Univ, Minist Educ, Key Lab Biomed Polymers, Coll Chem & Mol Sci, Wuhan 430072, Hubei, Peoples R China Wuhan Univ, Minist Educ, Key Lab Biomed Polymers, Coll Chem & Mol Sci, Wuhan 430072, Hubei, Peoples R China

Wu, Ling-Yu
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Wuhan Univ, Minist Educ, Key Lab Biomed Polymers, Coll Chem & Mol Sci, Wuhan 430072, Hubei, Peoples R China Wuhan Univ, Minist Educ, Key Lab Biomed Polymers, Coll Chem & Mol Sci, Wuhan 430072, Hubei, Peoples R China

Song, Yan-Yan
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Wuhan Univ, Minist Educ, Key Lab Biomed Polymers, Coll Chem & Mol Sci, Wuhan 430072, Hubei, Peoples R China Wuhan Univ, Minist Educ, Key Lab Biomed Polymers, Coll Chem & Mol Sci, Wuhan 430072, Hubei, Peoples R China

Yang, Xi-Ran
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Wuhan Univ Sci & Technol, Coll Chem Engn & Technol, Wuhan 430081, Hubei, Peoples R China Wuhan Univ, Minist Educ, Key Lab Biomed Polymers, Coll Chem & Mol Sci, Wuhan 430072, Hubei, Peoples R China

Li, Conggang
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Chinese Acad Sci, Wuhan Inst Phys & Math, State Key Lab Magnet Resonance & Atom & Mol Phys, Key Lab Magnet Resonance Biol Syst, Wuhan 430071, Hubei, Peoples R China Wuhan Univ, Minist Educ, Key Lab Biomed Polymers, Coll Chem & Mol Sci, Wuhan 430072, Hubei, Peoples R China

Liu, Si-Min
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Wuhan Univ Sci & Technol, Coll Chem Engn & Technol, Wuhan 430081, Hubei, Peoples R China Wuhan Univ, Minist Educ, Key Lab Biomed Polymers, Coll Chem & Mol Sci, Wuhan 430072, Hubei, Peoples R China

Zhou, Xiang
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h-index: 0
机构:
Wuhan Univ, Minist Educ, Key Lab Biomed Polymers, Coll Chem & Mol Sci, Wuhan 430072, Hubei, Peoples R China Wuhan Univ, Minist Educ, Key Lab Biomed Polymers, Coll Chem & Mol Sci, Wuhan 430072, Hubei, Peoples R China
机构:
[1] Wuhan Univ, Minist Educ, Key Lab Biomed Polymers, Coll Chem & Mol Sci, Wuhan 430072, Hubei, Peoples R China
[2] Chinese Acad Sci, Wuhan Inst Phys & Math, State Key Lab Magnet Resonance & Atom & Mol Phys, Key Lab Magnet Resonance Biol Syst, Wuhan 430071, Hubei, Peoples R China
[3] Wuhan Univ Sci & Technol, Coll Chem Engn & Technol, Wuhan 430081, Hubei, Peoples R China
基金:
美国国家科学基金会;
关键词:
cucurbit[7]uril;
reversible B/Z-DNA transitions;
spermine;
supramolecular chemistry;
HANDED Z-DNA;
B-DNA;
CIRCULAR-DICHROISM;
BINDING;
PROTEIN;
PAIR;
AFFINITY;
OLIGONUCLEOTIDES;
TRANSCRIPTION;
CUCURBITURIL;
D O I:
10.1002/advs.201800231
中图分类号:
O6 [化学];
学科分类号:
0703 ;
摘要:
As a left-handed helical structure, Z-DNA is biologically active and it may be correlated with transcription and genome stability. Until recently, it remained a significant challenge to control the B/Z-DNA transition under physiological conditions. The current study represents the first to reversibly control B/Z-DNA transition using cucurbit[7]uril-based supramolecular approach. It is demonstrated that cucurbit[7]uril can encapsulate the central butanediamine moiety [HN(CH2)(4)NH] and reverses Z-DNA caused by spermine back to B-DNA. The subsequent treatment with 1-adamantanamine disassembles the cucurbit[7]uril/spermine complex and readily induces reconversion of B- into Z-DNA. The DNA conformational change is unequivocally demonstrated using different independent methods. Direct evidence for supramolecular interactions involved in DNA conformational changes is further provided. These findings can therefore open a new route to control DNA helical structure in a reversible way.
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