Interaction of nucleic acids. V. Chemical linkage of 3,4-benzopyrene to deoxyribonucleic acid in aqueous solution

Biochemistry ◽  
1969 ◽  
Vol 8 (6) ◽  
pp. 2291-2298 ◽  
Author(s):  
Stephen A. Lesko ◽  
Paul O. P. Ts'o ◽  
Robert S. Umans
Keyword(s):  
Aqueous Solution ◽  
Nucleic Acids ◽  
Deoxyribonucleic Acid ◽  
Chemical Linkage

III. Functions of short lifetime structures at large 9: case of nucleic acids

2018 ◽  
Vol 18 (3) ◽  
pp. 205-210
Author(s):  
Koichi Nishigaki
Keyword(s):  
Nucleic Acids ◽  
Deoxyribonucleic Acid ◽  
Structure And Function ◽  
The Poor ◽  
Methodological Difficulty ◽  
Short Lifetime ◽  
Transient Structures ◽  
And Function ◽  
Functional Rnas

Abstract The short lifetime structures of nucleic acids are not well studied because of the poor recognition of their importance and the methodological difficulty. In case of proteins, which are a type of single-stranded biopolymers, the essential roles of their transient structures are well established. Therefore, the role of transient structures of nucleic acids is, naturally, of great interest. There have been multiple reports on the function-related unstable (transient) structures of single-stranded nucleotides, though not as many as at present. Recent methodological advances are now enabling us to observe structures with ultra-short lifetime (less than a nanosecond). On the other hand, the biological importance of transient structures of ribonucleicacid (RNA) is increasingly recognized because of the findings of novel functional RNAs such as microRNA. Therefore, the time has come to tackle the structure and function dynamic of RNA/deoxyribonucleic acid in relation to their transient, unstable structures. The specific properties of rapidity and diversity are hypothesized to be involved in unexplored phenomena in neuroscience.

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