entrons

Entrons is a term that does not have a single, widely accepted definition in science or technology literature. In many discussions, it appears as a misspelling or variant of introns, which are sequences within genes that are transcribed into RNA but not kept in the final messenger RNA product. Because of this, reliable information about entr ons as a distinct concept is scarce, and any use outside this misspelling should be treated as ambiguous or context-dependent.

In molecular biology, introns interrupt coding sequences (exons) in most eukaryotic genes. They range from a few dozen to tens of thousands of bases. They are removed by the spliceosome during RNA processing, joining exons to form mature mRNA. Some introns contain regulatory elements that affect gene expression, and alternative splicing can produce multiple protein isoforms from a single gene. The study of introns has implications for evolution, gene regulation, and diseases when splicing goes awry.

In non-scientific contexts, “entrons” might appear as a plural noun in languages such as French (the form of “entrer” meaning “we enter”), or as part of proper names or brands not related to genetics. Because there is no established discipline-wide meaning for entr ons, readers should rely on context to determine the intended sense.

See also intron, exon, spliceosome, RNA splicing, gene expression.