intron - significado y definición. Qué es intron
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Qué (quién) es intron - definición

A SEQUENCE WITHIN A GENE THAT IS REMOVED BY RNA SPLICING DURING MATURATION OF THE FINAL MRNA
Intron DNA; Introns; Intragenic region; Intragenic regions; Intervening sequence; Intronic; Retrohoming; Non-gene locus; Nongenic region; Intronless

intron         
['?ntr?n]
¦ noun Biochemistry a segment of a DNA or RNA molecule which does not code for proteins and interrupts the sequence of genes. Compare with exon1.
Derivatives
intronic adjective
Origin
1970s: from intra- + -on.
Intron         
An intron is any nucleotide sequence within a gene that is removed by RNA processing during production of the final RNA product. The word intron is derived from the term intragenic region, i.
Group II intron         
  • The Domain V substructure that is shared between Group II introns and [[U6 spliceosomal RNA]].
CLASS OF SELF-CATALYZING RIBOZYMES
Group II catalytic intron; Targetron; Group 2 intron; Lariat intron; Domain X
Group II introns are a large class of self-catalytic ribozymes and mobile genetic elements found within the genes of all three domains of life. Ribozyme activity (e.

Wikipedia

Intron

An intron is any nucleotide sequence within a gene that is not expressed or operative in the final RNA product. The word intron is derived from the term intragenic region, i.e., a region inside a gene. The term intron refers to both the DNA sequence within a gene and the corresponding RNA sequence in RNA transcripts. The non-intron sequences that become joined by this RNA processing to form the mature RNA are called exons.

Introns are found in the genes of most organisms and many viruses and they can be located in both protein-coding genes and genes that function as RNA (noncoding genes). There are four main types of introns: tRNA introns, group I introns, group II introns, and spliceosomal introns (see below). Introns are rare in Bacteria and Archaea (prokaryotes), but most eukaryotic genes contain multiple splicesomal introns.

Ejemplos de uso de intron
1. Under certain conditions, a cell clips out not only the intron fillers but also one or more of the exons.