phosphodiester bond

phosphodiester bond
phosphodiester bond n a covalent bond in RNA or DNA that holds a polynucleotide chain together by joining a phosphate group at position 5 in the pentose sugar of one nucleotide to the hydroxyl group at position 3 in the pentose sugar of the next nucleotide called also phosphodiester linkage

Medical dictionary. 2011.

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  • Phosphodiester bond — A phosphodiester bond is a group of strong covalent bonds between the phosphorus atom in a phosphate group and two other molecules over two ester bonds. Phosphodiester bonds are central to all life on Earth, as they make up the backbone of the… …   Wikipedia

  • phosphodiester bond — phospho diester bond A bond in which a phosphate group joins adjacent carbons through ester linkages. A condensation reaction between adjacent nucleotides results in a phosphodiester bond between 3 and 5 carbons in DNA and RNA …   Glossary of Biotechnology

  • phosphodiester bond — fosfodiesterinis ryšys statusas T sritis chemija apibrėžtis Nukleorūgščių pagrindinis ryšys, susidarantis per fosfato rūgštį tarp dviejų ribozių 3′ ir 5′ hidroksigrupių. formulė (–O)₂P(=O)OH atitikmenys: angl. phosphodiester bond rus.… …   Chemijos terminų aiškinamasis žodynas

  • phosphodiester bond — ¦fäs(ˌ)fōˌ… noun or phosphodiester linkage : a covalent bond in RNA or DNA that holds a polynucleotide chain together by joining a phosphate group at position 5 in the pentose sugar of one nucleotide to the hydroxyl group at position 3 in the… …   Useful english dictionary

  • phosphodiester bond — Not a precise term. Refers to any molecule in which two parts are joined through a phosphate group. Examples are found in RNA, DNA, phospholipids, cyclic nucleotides, nucleotide diphosphates and triphosphates …   Dictionary of molecular biology

  • phosphodiester — A diesterified orthophosphoric acid, RO–(PO2H)–OR′, as in the nucleic acid s. p. hydrolases SYN: phosphodiesterases. * * * phos·pho·di·es·ter dī es tər n an oligonucleotide with an oxygen atom linking consecutive nucleotides see …   Medical dictionary

  • phosphodiester linkage — noun see phosphodiester bond …   Useful english dictionary

  • phospho-diester bond — phosphodiester bond A bond in which a phosphate group joins adjacent carbons through ester linkages. A condensation reaction between adjacent nucleotides results in a phosphodiester bond between 3 and 5 carbons in DNA and RNA …   Glossary of Biotechnology

  • nucleic acid — /nooh klee ik, klay , nyooh /, Biochem. any of a group of long, linear macromolecules, either DNA or various types of RNA, that carry genetic information directing all cellular functions: composed of linked nucleotides. [1890 95; NUCLE(US) + IC;… …   Universalium

  • Hammerhead ribozyme — Taxobox | color=white name = Hammerhead Ribozyme image caption = Stylized rendering of the full length hammerhead ribozyme RNA molecule species = Catalytic RNAHammerhead RNAs are small self cleaving RNAs that have a conserved motif found in… …   Wikipedia

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