DNA complementar
[dê-ené-á kom-ple-men-tar]
nounmasculinepl: DNAs complementares
complementary DNA
1. A DNA molecule synthesized from a messenger RNA (mRNA) template using the enzyme reverse transcriptase, representing only the expressed genes of a cell or tissue
The researchers isolated complementary DNA from the liver cells to study gene expression patterns.
Os pesquisadores isolaram DNA complementar das células hepáticas para estudar os padrões de expressão gênica.
2. A synthetic DNA copy made in vitro from an mRNA strand, often used in molecular biology research and genetic engineering applications
cDNA libraries are commonly used to identify and clone specific genes.
Bibliotecas de cDNA são comumente utilizadas para identificar e clonar genes específicos.
3. The complementary strand of DNA that pairs with a given DNA strand through Watson-Crick base pairing
The complementary DNA strand binds to the original strand through hydrogen bonds.
A fita de DNA complementar se liga à fita original através de ligações de hidrogênio.
DNA complementar is a fundamental concept in modern molecular biology and biotechnology, heavily used in Brazilian and Portuguese research institutions. The term is especially prevalent in academic settings, pharmaceutical companies, and genomics research labs. The abbreviation cDNA is also commonly recognized and used in Portuguese scientific literature, reflecting the international standardization of molecular biology terminology.
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