COG2
Conserved oligomeric Golgi complex subunit 2 is a protein that in humans is encoded by the COG2 gene.[5][6] Multiprotein complexes are key determinants of Golgi apparatus structure and its capacity for intracellular transport and glycoprotein modification. Several complexes have been identified, including the Golgi transport complex (GTC), the LDLC complex, which is involved in glycosylation reactions, and the SEC34 complex, which is involved in vesicular transport. These 3 complexes are identical and have been termed the conserved oligomeric Golgi (COG) complex, which includes COG2 (Ungar et al., 2002).[6]
| COG2 | |||||||||||||||||||||||||||||||||||||||||||||||||||
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| Identifiers | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Aliases | COG2, LDLC, component of oligomeric golgi complex 2, CDG2Q | ||||||||||||||||||||||||||||||||||||||||||||||||||
| External IDs | OMIM: 606974 MGI: 1923582 HomoloGene: 7206 GeneCards: COG2 | ||||||||||||||||||||||||||||||||||||||||||||||||||
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Model organisms
| Characteristic | Phenotype |
|---|---|
| Homozygote viability | Abnormal |
| Recessive lethal study | Normal |
| Fertility | Normal |
| Body weight | Normal |
| Anxiety | Normal |
| Neurological assessment | Normal |
| Grip strength | Normal |
| Hot plate | Normal |
| Dysmorphology | Normal |
| Indirect calorimetry | Normal |
| Glucose tolerance test | Normal |
| Auditory brainstem response | Normal |
| DEXA | Normal |
| Radiography | Normal |
| Body temperature | Normal |
| Eye morphology | Normal |
| Clinical chemistry | Normal |
| Haematology | Normal |
| Peripheral blood lymphocytes | Normal |
| Micronucleus test | Normal |
| Heart weight | Normal |
| Skin Histopathology | Normal |
| Brain histopathology | Normal |
| Salmonella infection | Normal[7] |
| Citrobacter infection | Normal[8] |
| All tests and analysis from[9][10] |
Model organisms have been used in the study of COG2 function. A conditional knockout mouse line, called Cog2tm1a(KOMP)Wtsi[11][12] was generated as part of the International Knockout Mouse Consortium program — a high-throughput mutagenesis project to generate and distribute animal models of disease to interested scientists.[13][14][15]
Male and female animals underwent a standardized phenotypic screen to determine the effects of deletion.[9][16] Twenty five were carried out on mutant mice and one significant abnormality was observed: no homozygous mutant mice survived until weaning. The remaining tests were carried out on heterozygous mutant adult mice; no additional significant abnormalities were observed in these animals.[9]
References
- GRCh38: Ensembl release 89: ENSG00000135775 - Ensembl, May 2017
- GRCm38: Ensembl release 89: ENSMUSG00000031979 - Ensembl, May 2017
- "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
- "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
- Podos SD, Reddy P, Ashkenas J, Krieger M (Dec 1994). "LDLC encodes a brefeldin A-sensitive, peripheral Golgi protein required for normal Golgi function". J Cell Biol. 127 (3): 679–91. doi:10.1083/jcb.127.3.679. PMC 2120235. PMID 7962052.
- "Entrez Gene: COG2 component of oligomeric golgi complex 2".
- "Salmonella infection data for Cog2". Wellcome Trust Sanger Institute.
- "Citrobacter infection data for Cog2". Wellcome Trust Sanger Institute.
- 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. S2CID 85911512.
- Mouse Resources Portal, Wellcome Trust Sanger Institute.
- "International Knockout Mouse Consortium".
- "Mouse Genome Informatics".
- Skarnes, W. C.; Rosen, B.; West, A. P.; Koutsourakis, M.; Bushell, W.; Iyer, V.; Mujica, A. O.; Thomas, M.; Harrow, J.; Cox, T.; Jackson, D.; Severin, J.; Biggs, P.; Fu, J.; Nefedov, M.; De Jong, P. J.; Stewart, A. F.; Bradley, A. (2011). "A conditional knockout resource for the genome-wide study of mouse gene function". Nature. 474 (7351): 337–342. doi:10.1038/nature10163. PMC 3572410. PMID 21677750.
- Dolgin E (2011). "Mouse library set to be knockout". Nature. 474 (7351): 262–3. doi:10.1038/474262a. PMID 21677718.
- Collins FS, Rossant J, Wurst W (2007). "A Mouse for All Reasons". Cell. 128 (1): 9–13. doi:10.1016/j.cell.2006.12.018. PMID 17218247. S2CID 18872015.
- van der Weyden L, White JK, Adams DJ, Logan DW (2011). "The mouse genetics toolkit: revealing function and mechanism". Genome Biol. 12 (6): 224. doi:10.1186/gb-2011-12-6-224. PMC 3218837. PMID 21722353.
- Loh, Eva; Hong Wanjin (Jun 2004). "The binary interacting network of the conserved oligomeric Golgi tethering complex". J. Biol. Chem. 279 (23): 24640–8. doi:10.1074/jbc.M400662200. ISSN 0021-9258. PMID 15047703.
- Loh, Eva; Hong Wanjin (Jun 2002). "Sec34 is implicated in traffic from the endoplasmic reticulum to the Golgi and exists in a complex with GTC-90 and ldlBp". J. Biol. Chem. 277 (24): 21955–61. doi:10.1074/jbc.M202326200. ISSN 0021-9258. PMID 11929878.
External links
- Human COG2 genome location and COG2 gene details page in the UCSC Genome Browser.
Further reading
- Salesiotis AN, Wang CK, Wang CD, et al. (1995). "Identification of novel genes from stomach cancer cell lines by differential display". Cancer Lett. 91 (1): 47–54. doi:10.1016/0304-3835(95)03717-B. PMID 7750094.
- Loh E, Hong W (2002). "Sec34 is implicated in traffic from the endoplasmic reticulum to the Golgi and exists in a complex with GTC-90 and ldlBp". J. Biol. Chem. 277 (24): 21955–61. doi:10.1074/jbc.M202326200. PMID 11929878.
- Ungar D, Oka T, Brittle EE, et al. (2002). "Characterization of a mammalian Golgi-localized protein complex, COG, that is required for normal Golgi morphology and function". J. Cell Biol. 157 (3): 405–15. doi:10.1083/jcb.200202016. PMC 2173297. PMID 11980916.
- Strausberg RL, Feingold EA, Grouse LH, et al. (2003). "Generation and initial analysis of more than 15,000 full-length human and mouse cDNA sequences". Proc. Natl. Acad. Sci. U.S.A. 99 (26): 16899–903. Bibcode:2002PNAS...9916899M. doi:10.1073/pnas.242603899. PMC 139241. PMID 12477932.
- Loh E, Hong W (2004). "The binary interacting network of the conserved oligomeric Golgi tethering complex". J. Biol. Chem. 279 (23): 24640–8. doi:10.1074/jbc.M400662200. PMID 15047703.
- Gerhard DS, Wagner L, Feingold EA, et al. (2004). "The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC)". Genome Res. 14 (10B): 2121–7. doi:10.1101/gr.2596504. PMC 528928. PMID 15489334.
- Rual JF, Venkatesan K, Hao T, et al. (2005). "Towards a proteome-scale map of the human protein-protein interaction network". Nature. 437 (7062): 1173–8. Bibcode:2005Natur.437.1173R. doi:10.1038/nature04209. PMID 16189514. S2CID 4427026.
- Sohda M, Misumi Y, Yoshimura S, et al. (2007). "The interaction of two tethering factors, p115 and COG complex, is required for Golgi integrity". Traffic. 8 (3): 270–84. doi:10.1111/j.1600-0854.2006.00530.x. PMID 17274799.
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