excision-defective mutant

excision-defective mutant
мутант с нарушенной способностью к вырезанию димеров пиримидинов, мутант с нарушенной способностью к удалению димеров пиримидинов

English-russian biological dictionary. 2013.

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  • Base excision repair — (BER) is a cellular mechanism that repairs damaged DNA throughout the cell cycle. Repairing DNA sequence errors is necessary so that mutations are not propagated or to remove lesions that may lead to breaks in the DNA during replication.Single… …   Wikipedia

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  • human disease — Introduction       an impairment of the normal state of a human being that interrupts or modifies its vital functions. health versus disease       Before human disease can be discussed, the meanings of the terms health, physical fitness, illness …   Universalium

  • Oxoguanine glycosylase — 8 oxoguanine DNA glycosylase PDB rendering based on 1ebm …   Wikipedia

  • DNA glycosylase — DNA glycosylases are a family of enzymes involved in base excision repair, classified under EC number EC 3.2.2. Base excision repair is the mechanism by which damaged bases in DNA are removed and replaced. DNA glycosylases catalyze the first step …   Wikipedia

  • Magnesium transporter — This page links directly from the magnesium in biological systems page. Magnesium transporters are proteins that transport magnesium across the cell membrane. All forms of life require magnesium, yet the molecular mechanisms of Mg2+ uptake from… …   Wikipedia

  • Transposable element — A bacterial DNA transposon Transposable elements (TEs) are sequences of DNA that can move or transpose themselves to new positions within the genome of a single cell. The mechanism of transposition can be either copy and paste or cut and paste .… …   Wikipedia

  • Okazaki fragments — DNA replication Okazaki fragments are short molecules of single stranded DNA that are formed on the lagging strand during DNA replication. They are between 1,000 to 2,000 nucleotides long in Escherichia coli and are between 100 to 200 nucleotides …   Wikipedia

  • Mutagenesis — (pronounced /mjuːtəˈdʒɛnɪsɪs/) is a process by which the genetic information of an organism is changed in a stable manner, resulting in a mutation. It may occur spontaneously in nature, or as a result of exposure to mutagens. It can also be… …   Wikipedia

  • Magnesium transporters — This page links directly from the magnesium in biological systems page. All forms of life require magnesium, and yet the molecular mechanisms of Mg2+ uptake from the environment and the distribution (transport) of this vital element within the… …   Wikipedia

  • Non-homologous end joining — (NHEJ) is a pathway that repairs double strand breaks in DNA. NHEJ is referred to as non homologous because the break ends are directly ligated without the need for a homologous template, in contrast to homologous recombination, which requires a… …   Wikipedia


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