SCIENCE|natural and applied sciences|life sciences|biology
- ionadú péire bunaidh Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
- ga
- Punktmutation
- de
- Definition Deletion oder Insertion eines einzigen Basenpaares Reference Manfred Eichhorn, Langenscheidt-Redaktion (Hrsg.): Langenscheidt Fachwörterbuch Biologie Englisch-Deutsch. Langenscheidt: München, 2007, s. v. „point mutation“.
- substitutions | substitution mutation | mutations | base pair substitution | point mutation | gene point mutation
- en
- Definition mutation in DNA or RNA molecule involving a change (replacement or substitution) of only one nucleotide base Reference COM-EN, based on: Biology Online http://www.biology-online.org/dictionary/Base_pair_substitution & http://www.biology-online.org/dictionary/Point_mutation [20.9.2010]
- Comment This type of mutation occurring in noncoding sequences often does not result in an altered amino acid sequence during translation. If a mutation in the promoter sequence of a gene occurs, the effect may be apparent since the expression of the gene may cause changes in the amino acid sequence, as well as the structure and function of the protein product.Point mutations may be classified on the basis of functionality:- nonsense mutation- missense mutation- silent mutation Depending on the type of nitrogenous base involved, this type of mutation may be categorized as:- transition- transversion Not to be confused with the broader term gene mutation [ IATE:1351106 ] which also covers frame shift mutation [ IATE:1687482 ].
- mutation ponctuelle | mutation génique ponctuelle
- fr
- Definition Mutation provoquée par la modification chimique d'un seul nucléotide(substitution d'une base à une autre). Reference Lehninger,p.869;JOF,14.3.86