restriction endonuclease
[/rɪˈstrɪkʃən ˌɛndoʊˈnjuːkliːeɪs/]
nounpl: restriction endonucleases
endonuclease de restrição
1. An enzyme that cuts DNA at specific recognition sequences, used in molecular biology and genetic engineering
The restriction endonuclease EcoRI cuts DNA at GAATTC sequences.
A endonuclease de restrição EcoRI corta o DNA em sequências GAATTC.
2. A bacterial enzyme that acts as a molecular scissors to cleave double-stranded DNA molecules at specific points
Restriction endonucleases are essential tools in recombinant DNA technology.
As endonucleases de restrição são ferramentas essenciais na tecnologia de DNA recombinante.
This is a specialized scientific term widely used in academic and biotechnology research settings in both Brazil and the United States. It became particularly important in the 1970s with the development of recombinant DNA technology. The term is standard in peer-reviewed scientific publications, university curricula in molecular biology, and biotechnology industry documentation across both Portuguese and English-speaking countries.
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