expressed sequences

[ɪkˈsprɛst ˈsiːkwənsɪz]
nounpl: expressed sequences
sequências expressas
1. DNA sequences that are transcribed into RNA and translated into proteins; segments of DNA that are actively expressed in cells and code for functional gene products
The researchers identified thousands of expressed sequences in the human genome.
Os pesquisadores identificaram milhares de sequências expressas no genoma humano.
2. In molecular biology, DNA fragments obtained from cDNA libraries that represent genes being actively transcribed in specific cells or tissues
Expressed sequences provide valuable information about which genes are active in different cell types.
As sequências expressas fornecem informações valiosas sobre quais genes estão ativos em diferentes tipos celulares.
This is a specialized scientific term used primarily in genetics, molecular biology, and bioinformatics research. It gained prominence during the Human Genome Project era and remains fundamental in genomics research. The term is used identically in both Brazilian Portuguese and European Portuguese scientific communities, reflecting the universal nature of molecular biology terminology.
Synonyms / Sinônimos
expressed sequence tags (ESTs)coding sequencestranscribed sequencesactive genes
Antonyms / Antônimos
non-coding sequencesintergenic regionssilent genesunexpressed DNA

Regional Variations

General Brazilian
sequências expressas
Standard term used in genetics and molecular biology contexts
Portugal
sequências expressas
Same terminology used in Portuguese scientific literature
General Scientific
tags de sequências expressas (TSE) / EST
Often abbreviated as EST in both Portuguese and English contexts

Related Words

EST (Expressed Sequence Tag)cDNA (complementary DNA)transcriptiontranslationgene expressionRNAmRNAgenome sequencing

Related Idioms & Phrases

expressed sequence libraries
expressed sequence database
mining expressed sequences
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