MRPS5

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Identifiers
Aliases
External IDsGeneCards: [1]
Orthologs
SpeciesHumanMouse
Entrez
Ensembl
UniProt
RefSeq (mRNA)

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RefSeq (protein)

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Location (UCSC)n/an/a
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28S ribosomal protein S5, mitochondrial is a protein that in humans is encoded by the MRPS5 gene.[1]

Function

Mammalian mitochondrial ribosomal proteins are encoded by nuclear genes and help in protein synthesis within the mitochondrion. Mitochondrial ribosomes (mitoribosomes) consist of a small 28S subunit and a large 39S subunit. They have an estimated 75% protein to rRNA composition compared to prokaryotic ribosomes, where this ratio is reversed. Another difference between mammalian mitoribosomes and prokaryotic ribosomes is that the latter contain a 5S rRNA. Among different species, the proteins comprising the mitoribosome differ greatly in sequence, and sometimes in biochemical properties, which prevents easy recognition by sequence homology. This gene encodes a 28S subunit protein that belongs to the ribosomal protein S5P family. Pseudogenes corresponding to this gene are found on chromosomes 4q, 5q, and 18q.[1]

Model organisms

Model organisms have been used in the study of MRPS5 function. A conditional knockout mouse line called Mrps5tm1b(EUCOMM)Wtsi was generated at the Wellcome Trust Sanger Institute.[2] Male and female animals underwent a standardized phenotypic screen[3] to determine the effects of deletion.[4][5][6][7] Additional screens performed: - In-depth immunological phenotyping[8]

Mrps5 knockout mouse phenotype
Characteristic Phenotype
All data available at.[3][8]
Peripheral blood leukocytes 6 Weeks Abnormal
Haematology 6 Weeks Abnormal
Insulin Normal
Homozygous viability at P14 Abnormal
Body weight Normal
Neurological assessment Normal
Grip strength Normal
Dysmorphology Normal
Indirect calorimetry Normal
Glucose tolerance test Normal
Auditory brainstem response Normal
DEXA Normal
Radiography Normal
Eye morphology Normal
Clinical chemistry Normal
Haematology 16 Weeks Normal
Peripheral blood leukocytes 16 Weeks Normal
Heart weight Normal
Salmonella infection Normal
Cytotoxic T Cell Function Normal
Spleen Immunophenotyping Normal
Mesenteric Lymph Node Immunophenotyping Normal
Bone Marrow Immunophenotyping Normal
Influenza Challenge Normal

References

  1. 1.0 1.1 "Entrez Gene: MRPS5 mitochondrial ribosomal protein S5".
  2. Gerdin AK (2010). "The Sanger Mouse Genetics Programme: high throughput characterisation of knockout mice". Acta Ophthalmologica. 88: 925–7. doi:10.1111/j.1755-3768.2010.4142.x.
  3. 3.0 3.1 "International Mouse Phenotyping Consortium".
  4. Skarnes WC, Rosen B, West AP, Koutsourakis M, Bushell W, Iyer V, Mujica AO, Thomas M, Harrow J, Cox T, Jackson D, Severin J, Biggs P, Fu J, Nefedov M, de Jong PJ, Stewart AF, Bradley A (Jun 2011). "A conditional knockout resource for the genome-wide study of mouse gene function". Nature. 474 (7351): 337–42. doi:10.1038/nature10163. PMC 3572410. PMID 21677750.
  5. Dolgin E (Jun 2011). "Mouse library set to be knockout". Nature. 474 (7351): 262–3. doi:10.1038/474262a. PMID 21677718.
  6. Collins FS, Rossant J, Wurst W (Jan 2007). "A mouse for all reasons". Cell. 128 (1): 9–13. doi:10.1016/j.cell.2006.12.018. PMID 17218247.
  7. White JK, Gerdin AK, Karp NA, Ryder E, Buljan M, Bussell JN, Salisbury J, Clare S, Ingham NJ, Podrini C, Houghton R, Estabel J, Bottomley JR, Melvin DG, Sunter D, Adams NC, Tannahill D, Logan DW, Macarthur DG, Flint J, Mahajan VB, Tsang SH, Smyth I, Watt FM, Skarnes WC, Dougan G, Adams DJ, Ramirez-Solis R, Bradley A, Steel KP (Jul 2013). "Genome-wide generation and systematic phenotyping of knockout mice reveals new roles for many genes". Cell. 154 (2): 452–64. doi:10.1016/j.cell.2013.06.022. PMC 3717207. PMID 23870131.
  8. 8.0 8.1 "Infection and Immunity Immunophenotyping (3i) Consortium".

Further reading


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