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Mutation frequencies test are cost effective in laboratories [1] however; these two concepts provide vital information in reference to accounting for the emergence of mutations on any given germ line. [2] [3] There are several test utilized in measuring the chances of mutation frequency and rates occurring in a particular gene pool.
The shiverer mutation is an autosomal recessive loss-of-function mutation. It was generated by a 20-kilobase deletion within the MBP gene, [1] resulting in the failure of oligodendrocytes to form compact myelin in the central nervous system. Axons in shiverer mice fail to attain a normal diameter and exhibit altered cytoskeleton structure. [2]
HRT Atlas also describes a complete list of human and mouse housekeeping genes and transcripts; Dryad: repository of data underlying scientific publications in the basic and applied biosciences; Edinburgh Mouse Atlas; EPD Eukaryotic Promoter Database; FINDbase (the Frequency of INherited Disorders database)
A comparison of a mouse unable to produce leptin thus resulting in obesity (left) and a normal mouse (right) The ob/ob or obese mouse is a mutant mouse that eats excessively due to mutations in the gene responsible for the production of leptin and becomes profoundly obese. It is an animal model of type II diabetes.
22275 Ensembl ENSG00000126088 ENSMUSG00000028684 UniProt P06132 P70697 RefSeq (mRNA) NM_000374 NM_009478 RefSeq (protein) NP_000365 NP_033504 Location (UCSC) Chr 1: 45.01 – 45.02 Mb Chr 4: 116.85 – 116.85 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Uroporphyrinogen III decarboxylase (uroporphyrinogen decarboxylase, or UROD) is an enzyme (EC 4.1.1.37) that in humans is encoded ...
Mouse mammary tumor virus (MMTV), is a retro virus that has been a known promoter to cause breast tumors once activated. [39] MMTV is a heritable somatic mutagen whose target range is limited. It harbors a regulatory DNA sequence called the long terminal repeat (LTR), which promotes steroid-hormone-inducible transcription.
A nude mouse. A nude mouse is a laboratory mouse from a strain with a genetic mutation that causes a deteriorated or absent thymus, resulting in an inhibited immune system due to a greatly reduced number of T cells. The phenotype (main outward appearance) of the mouse is a lack of body hair, which gives it the "nude" nickname.
Conditional/inducible mutation approaches are then required that first allow the mouse to develop and mature normally prior to ablation of the gene of interest. Another serious limitation is a lack of evolutive adaptations in knockout model that might occur in wild type animals after they naturally mutate.