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- Expressed_sequence_tag abstract "An expressed sequence tag or EST is a short sub-sequence of a cDNA sequence. They may be used to identify gene transcripts, and are instrumental in gene discovery and gene sequence determination. The identification of ESTs has proceeded rapidly, with approximately 74.2 million ESTs now available in public databases (e.g. GenBank 1 January 2013, all species).An EST results from one-shot sequencing of a cloned cDNA. The cDNAs used for EST generation are typically individual clones from a cDNA library. The resulting sequence is a relatively low quality fragment whose length is limited by current technology to approximately 500 to 800 nucleotides. Because these clones consist of DNA that is complementary to mRNA, the ESTs represent portions of expressed genes. They may be represented in databases as either cDNA/mRNA sequence or as the reverse complement of the mRNA, the template strand.ESTs can be mapped to specific chromosome locations using physical mapping techniques, such as radiation hybrid mapping, Happy mapping, or FISH. Alternatively, if the genome of the organism that originated the EST has been sequenced, one can align the EST sequence to that genome using a computer.The current understanding of the human set of genes (as of 2006) includes the existence of thousands of genes based solely on EST evidence. In this respect, ESTs have become a tool to refine the predicted transcripts for those genes, which leads to the prediction of their protein products and ultimately their function. Moreover, the situation in which those ESTs are obtained (tissue, organ, disease state - e.g. cancer) gives information on the conditions in which the corresponding gene is acting. ESTs contain enough information to permit the design of precise probes for DNA microarrays that then can be used to determine the gene expression.Some authors use the term "EST" to describe genes for which little or no further information exists besides the tag.The significance of ESTs, their properties, methods to analyze EST dataset and their applications in different areas of biology have been reviewed by Nagaraj et al. (2007).".
- Expressed_sequence_tag wikiPageExternalLink EST.
- Expressed_sequence_tag wikiPageExternalLink tissueinfo.
- Expressed_sequence_tag wikiPageExternalLink est.
- Expressed_sequence_tag wikiPageExternalLink www.estinformatics.org.
- Expressed_sequence_tag wikiPageExternalLink est.html.
- Expressed_sequence_tag wikiPageExternalLink A858.
- Expressed_sequence_tag wikiPageExternalLink dbEST_summary.html.
- Expressed_sequence_tag wikiPageID "477426".
- Expressed_sequence_tag wikiPageRevisionID "604938306".
- Expressed_sequence_tag hasPhotoCollection Expressed_sequence_tag.
- Expressed_sequence_tag subject Category:DNA.
- Expressed_sequence_tag subject Category:Gene_expression.
- Expressed_sequence_tag subject Category:Genomics.
- Expressed_sequence_tag comment "An expressed sequence tag or EST is a short sub-sequence of a cDNA sequence. They may be used to identify gene transcripts, and are instrumental in gene discovery and gene sequence determination. The identification of ESTs has proceeded rapidly, with approximately 74.2 million ESTs now available in public databases (e.g. GenBank 1 January 2013, all species).An EST results from one-shot sequencing of a cloned cDNA.".
- Expressed_sequence_tag label "Expressed Sequence Tag".
- Expressed_sequence_tag label "Expressed sequence tag".
- Expressed_sequence_tag label "Expressed sequence tag".
- Expressed_sequence_tag label "Expressed sequence tag".
- Expressed_sequence_tag label "Marcador de secuencia expresada".
- Expressed_sequence_tag label "Marcador de sequência expressa".
- Expressed_sequence_tag label "Marqueur de séquence exprimée".
- Expressed_sequence_tag sameAs Expressed_Sequence_Tag.
- Expressed_sequence_tag sameAs Marcador_de_secuencia_expresada.
- Expressed_sequence_tag sameAs Marqueur_de_séquence_exprimée.
- Expressed_sequence_tag sameAs Expressed_sequence_tag.
- Expressed_sequence_tag sameAs Expressed_sequence_tag.
- Expressed_sequence_tag sameAs Marcador_de_sequência_expressa.
- Expressed_sequence_tag sameAs m.02f7_9.
- Expressed_sequence_tag sameAs Q1384835.
- Expressed_sequence_tag sameAs Q1384835.
- Expressed_sequence_tag wasDerivedFrom Expressed_sequence_tag?oldid=604938306.
- Expressed_sequence_tag isPrimaryTopicOf Expressed_sequence_tag.