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Of or relating to a substance or process, such as splicing, that occurs or is formed after transcription of RNA: posttranscriptional modification of RNA.


(ˌpoʊst trænˈskrɪp ʃə nl)

occurring after the formation of RNA from DNA but before the RNA strand leaves the nucleus.
References in periodicals archive ?
4],[5] NCL is also an important regulator of posttranscriptional RNA stability and translation efficiency, and NCL overexpression reduces apoptosis by regulating mRNA stability of apoptotic genes, such as Bcl-2 .
Thus, The formation and composition of an mrnp is important for the posttranscriptional control of gene expression.
Our results also indicate that inflammation may suppress the expression of AANAT in the ovine pineal gland both at the transcriptional and posttranscriptional levels.
MicroRNAs (miRNAs) are single stranded, short length (21 to 23 nucleotides), non-coding RNA molecules that function as a negative posttranscriptional regulation mechanism and play a major regulatory role in various mechanisms in developmental biology, physiology and pathology of almost every organ including the cardiovascular system (10-13).
Posttranscriptional regulation of the heterochronic gene lin-14 by lin-4 mediates temporal pattern formation in C.
Under normal physiological conditions, cyclooxygenase (COX) enzyme expression is under strict control with transcriptional and posttranscriptional levels.
Differential roles of AC2 and AC4 of cassava geminiviruses in mediating synergism and suppression of posttranscriptional gene silencing.
RNAi can silence specific gene expression via the mechanism involved in posttranscriptional gene down-regulation in which double-stranded RNA triggers the destruction of cognate RNAs.
Edaravone inhibits the induction of iNOS gene expression at transcriptional and posttranscriptional steps in murine macrophages.
sup][9] MicroRNAs are noncoding RNAs and regulate posttranscriptional gene expression by inhibiting mRNA translation or inducing its degradation, [sup][10] to modulate the expression of target genes to an optimum level, rather than participating in on/off decisions in the inflammatory response.
As a unique second messenger, c-di-GMP has been demonstrated to be involved in a plethora of physiological functions, including motility, biofilm formation, quorum sensing, virulence, and cell cycle, at the transcriptional, posttranscriptional and post-translational levels (2).