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Related Concept Videos

From DNA to Protein03:06

From DNA to Protein

The flow of genetic information in cells from DNA to mRNA to protein is described by the central dogma, which states that genes specify the sequence of mRNAs, which in turn specify the sequence of amino acids making up all proteins. The decoding of one molecule to another is performed by specific proteins and RNAs. Because the information stored in DNA is so central to cellular function, it makes intuitive sense that the cell would make mRNA copies of this information for protein synthesis...
The Central Dogma01:25

The Central Dogma

Overview
The Central Dogma01:20

The Central Dogma

The central dogma explains the flow of genetic information from DNA nucleotides to the amino acid sequence of proteins.
RNA is the Missing Link Between DNA and Proteins
In the early 1900s, scientists discovered that DNA stores all the information needed for cellular functions and that proteins perform most of these functions. However, the mechanisms of converting genetic information into functional proteins remained unknown for many years. Initially, it was believed that a single gene is...
The Central Dogma01:20

The Central Dogma

The central dogma explains the flow of genetic information from DNA nucleotides to the amino acid sequence of proteins.
RNA is the Missing Link Between DNA and Proteins
In the early 1900s, scientists discovered that DNA stores all the information needed for cellular functions and that proteins perform most of these functions. However, the mechanisms of converting genetic information into functional proteins remained unknown for many years. Initially, it was believed that a single gene is...
The Central Dogma01:25

The Central Dogma

Overview
Proteins: From Genes to Degradation02:11

Proteins: From Genes to Degradation

Within a biological system, the DNA encodes the RNA, and the nucleotide sequence in the RNA further defines the amino acid sequence in the protein. This is referred to as “The Central Dogma of Molecular Biology” - a term coined by Francis Crick.  Central dogma is a firm principle in biology that defines the flow of genetic information within any life form. The two fundamental steps in central dogma are - transcription and translation.
Transcription is the synthesis of RNA molecules by RNA...

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Updated: Jun 7, 2026

Optimizing the Genetic Incorporation of Chemical Probes into GPCRs for Photo-crosslinking Mapping and Bioorthogonal Chemistry in Live Mammalian Cells
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Biochemistry. Hidden code in the protein code.

Monya Baker

    Nature Methods
    |November 5, 2010
    PubMed
    Summary
    This summary is machine-generated.

    Redundant codons, which appear to code for the same amino acid, have newly discovered functions. This research reveals that these synonymous codons play crucial roles beyond simple protein synthesis.

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    Published on: February 3, 2022

    Area of Science:

    • Molecular Biology
    • Genetics
    • Bioinformatics

    Background:

    • Synonymous codons are DNA base triplets that code for the same amino acid during protein translation.
    • Historically, these codons were considered functionally interchangeable, leading to the concept of 'redundant' genetic code.
    • Emerging evidence suggests a more complex role for codon usage bias in gene regulation and protein function.

    Discussion:

    • This study challenges the long-held assumption of codon redundancy.
    • Investigates novel functional implications of synonymous codon usage.
    • Explores the impact of codon selection on mRNA stability, translation efficiency, and protein folding.

    Key Insights:

    • Apparently redundant codons possess distinct regulatory roles.
    • Codon choice influences post-transcriptional gene expression.
    • Non-redundant functions of synonymous codons are critical for cellular processes.

    Outlook:

    • Future research should focus on elucidating the specific mechanisms by which redundant codons exert their functions.
    • Implications for understanding genetic diseases and developing novel therapeutic strategies.
    • Potential applications in synthetic biology and protein engineering.