NONCODING RNA Meaning and
Definition
-
Noncoding RNA, also known as non-coding RNA or ncRNA, refers to a class of RNA molecules that are transcribed from DNA but do not serve as blueprints for protein synthesis. Unlike messenger RNA (mRNA), which carries the genetic information from the DNA to ribosomes for protein production, noncoding RNA molecules do not directly contribute to protein formation. Instead, they participate in various crucial cellular processes, regulating gene expression and carrying out diverse functional roles.
Noncoding RNA can be further categorized into different subclasses based on its size. For instance, short noncoding RNAs include microRNAs (miRNAs), small interfering RNAs (siRNAs), and piwi-interacting RNAs (piRNAs). These molecules are relatively small, typically consisting of 20-30 nucleotides. They are involved in post-transcriptional gene silencing, RNA interference, and control of chromatin organization.
Long noncoding RNAs (lncRNAs) on the other hand, are a group of larger RNA molecules with more than 200 nucleotides. They have been found to play crucial roles in various biological processes, including X-chromosome inactivation, genomic imprinting, and development. Additionally, lncRNAs have been implicated in several diseases, such as cancer, neurological disorders, and heart diseases.
The discovery and understanding of noncoding RNA has revolutionized our comprehension of gene regulation and the complexity of cellular mechanisms. Noncoding RNA molecules are now recognized as key players in controlling gene expression, fine-tuning cellular processes, and influencing disease progression, making them an essential area of research in molecular biology and genetics.
Common Misspellings for NONCODING RNA
- boncoding rna
- moncoding rna
- joncoding rna
- honcoding rna
- nincoding rna
- nkncoding rna
- nlncoding rna
- npncoding rna
- n0ncoding rna
- n9ncoding rna
- nobcoding rna
- nomcoding rna
- nojcoding rna
- nohcoding rna
- nonxoding rna
- nonvoding rna
- nonfoding rna
- nondoding rna
- nonciding rna
- nonckding rna
Etymology of NONCODING RNA
The word "Noncoding RNA" is derived from the field of molecular biology, specifically genetics and genomics.
1. Noncoding: The term "noncoding" refers to sequences of DNA or RNA that do not code for proteins. In the context of genetics, noncoding regions are segments of the genome that do not contain instructions for protein synthesis. These regions were historically thought to have no functional purpose, but are now known to have various regulatory roles in gene expression and other cellular processes.
2. RNA: RNA stands for Ribonucleic acid, which is a molecule similar to DNA and is involved in the transfer of genetic information. RNA has various types, including messenger RNA (mRNA) that carries the instructions for protein synthesis, transfer RNA (tRNA) that transfers amino acids to the ribosomes during protein synthesis, and ribosomal RNA (rRNA) that forms an integral part of the ribosome structure.
Infographic
Add the infographic to your website:
