termination sequence

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• sequence — The succession, or following, of one thing or event after another. [L. sequor, to follow] Alu sequences in the human genome a repeated, relatively conserved s. of about 300 bp that often contains a cleavage site for the restriction enzyme AluI… …   Medical dictionary

• Sequence assembly — In bioinformatics, sequence assembly refers to aligning and merging fragments of a much longer DNA sequence in order to reconstruct the original sequence. This is needed as DNA sequencing technology cannot read whole genomes in one go, but rather …   Wikipedia

• termination signal — In transcription, a nucleotide sequence that specifies RNA chain termination …   Glossary of Biotechnology

• Intrinsic termination — (also called Rho independent termination) is a mechanism in both eukaryotes and prokaryotes that causes mRNA transcription to be stopped. In this mechanism, the mRNA contains a sequence that can base pair with itself to form a stem loop structure …   Wikipedia

• Nucleic acid sequence — A series of codons in part of a mRNA molecule. Each codon consists of three nucleotides, usually representing a single amino acid. The sequence or primary structure of a nucleic acid is the composition of atoms that make up the nucleic acid and… …   Wikipedia

• Attenuator (genetics) — The attenuator plays an important regulatory role in prokaryotic cells because of the absence of the nucleus in prokaryotic organisms. The attenuator refers to a specific regulatory sequence that, when transcribed into RNA, forms hairpin… …   Wikipedia

• Rho factor — A ρ factor (rho factor) is a protein found in prokaryotes, especially E. coli , involved in the termination of transcription. This is done by dissociating the ternary transcription complex at the termination of a gene.TranscriptionTranscription… …   Wikipedia

• Codon — A set of any three adjacent bases in the DNA or RNA. There are 64 different codons of which 61 specify the incorporation of an amino acid into a polypeptide chain while the remaining three are stop codons that signal the end of a polypeptide. For …   Medical dictionary

• Trp operon — If unfamiliar with these terms, visit the operon page first.Trp operon is an operon in bacteria which promotes the production of tryptophan when tryptophan isn t present in the environment. Discovered in 1953 by Jacques Monod and colleagues, the… …   Wikipedia

• Magellan (spacecraft) — Magellan Artist s depiction of Magellan at Venus Operator NASA / JPL Major contractors Martin Marietta / Hughes Aircraft …   Wikipedia

• Gene trapping — is a high throughput approach that is used to introduce insertional mutations across the mammalian genome. It is performed with gene trap vectors whose principal element is a gene trapping cassette consisting of a promoterless reporter gene… …   Wikipedia