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insertional mutagenesis

insertional mutagenesis

9.1
A change in a gene when new DNA inserts and stops it working
  • noun
  • /ɪnˈsɜrʃənəl ˌmjuːtəˈdʒɛnɪsɪs/
  • Specialized
translation icon : mutagénesis por inserción
  • The study focused on how insertional mutagenesis can disrupt normal gene function when foreign DNA is integrated into the genome.

Examples

  • Researchers studied the effects of insertional mutagenesis on gene regulation and its potential role in various diseases.

  • The team examined how insertional mutagenesis could lead to unintended consequences in genetically modified organisms.

  • Expectedly, as an adaptive defense mechanism, the amount of protective DNA varies from one species to another based on the insertional mutagenesis activity and the evolutionary constraints on genome size.

    Blog text (21)
  • As discussed in the original paper (1) and these mini-essays, the so-called jDNA serves as a defense mechanism against insertional mutagenesis, which in humans and many other multicellular species can lead to cancer.

    Blog text (21)

Surface Forms

Morphology

insertional + mutagenesis

The term is transparently compositional: 'insertional' (caused by insertion) modifies 'mutagenesis' (the generation of mutations), so the meaning 'mutation caused by insertion of foreign DNA' is directly derivable from the parts. Although technical, the morphological and semantic combination follows regular English formation and similar logic appears in other languages, so a learner who knows the constituents would understand the phrase.

Etymology

Insertional mutagenesis comes from the idea of an insertion — putting new DNA into a gene — and mutagenesis — making a 'mutation' or change. If the new DNA lands inside a gene it can stop or change what that gene does, so the phrase means a 'mutation' caused by inserting DNA.