A second riboswitch class for the enzyme cofactor NAD().
A second riboswitch class for the enzyme cofactor NAD().
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DOI:
10.1261/rna.077891.120
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发表时间:
2021-01
期刊:
影响因子:
--
通讯作者:
Breaker RR
中科院分区:
文献类型:
--
作者:
Panchapakesan SSS;Corey L;Malkowski SN;Higgs G;Breaker RR
A bacterial noncoding RNA motif almost exclusively associated with pnuC genes was uncovered using comparative sequence analysis. Some PnuC proteins are known to transport nicotinamide riboside (NR), which is a component of the ubiquitous and abundant enzyme cofactor nicotinamide adenine dinucleotide (NAD+). Thus, we speculated that the newly found “pnuC motif” RNAs might function as aptamers for a novel class of NAD+-sensing riboswitches. RNA constructs that encompass the conserved nucleotides and secondary structure features that define the motif indeed selectively bind NAD+, nicotinamide mononucleotide (NMN), and NR. Mutations that disrupt strictly conserved nucleotides of the aptamer also disrupt ligand binding. These bioinformatic and biochemical findings indicate that pnuC motif RNAs are likely members of a second riboswitch class that regulates gene expression in response to NAD+ binding.
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DOI:
10.1126/science.1225722
发表时间:
2012-10-19
期刊:
Science (New York, N.Y.)
影响因子:
--
作者:
Frieda KL;Block SM
通讯作者:
Block SM
DOI:
10.1073/pnas.86.18.7054
发表时间:
1989-09-01
影响因子:
11.1
作者:
BENNER, SA;ELLINGTON, AD;TAUER, A
通讯作者:
TAUER, A
影响因子:
4.9
作者:
Sauer, E;Merdanovic, M;Reidl, J
通讯作者:
Reidl, J
影响因子:
14.9
作者:
Schattner, P
通讯作者:
Schattner, P
影响因子:
4.5
作者:
Soukup, GA;Breaker, RR
通讯作者:
Breaker, RR