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DNAI1

Template:Infobox3cols/rowTemplate:Infobox3cols/rowTemplate:Infobox3cols/rowTemplate:Infobox3cols/row
Identifiers
SymbolsDNAI1 ; CILD1; DIC1; ICS1; PCD
External IDsOMIM604366 MGI1916172 HomoloGene8122 GeneCards: DNAI1 Gene
RNA expression pattern
File:PBB GE DNAI1 220125 at tn.png
More reference expression data
Orthologs
SpeciesHumanMouse
Entrez2701968922
EnsemblENSG00000122735ENSMUSG00000061322
UniProtQ9UI46Q8C0M8
RefSeq (mRNA)NM_001281428NM_175138
RefSeq (protein)NP_001268357NP_780347
Location (UCSC)Chr 9:
34.46 – 34.52 Mb
Chr 4:
41.57 – 41.64 Mb
PubMed search[1][2]

Dynein intermediate chain 1, axonemal is a protein that in humans is encoded by the DNAI1 gene.[1][2]

The inner- and outer-arm dyneins, which bridge between the doublet microtubules in axonemes, are the force-generating proteins responsible for the sliding movement in axonemes. The intermediate and light chains, thought to form the base of the dynein arm, help mediate attachment and may also participate in regulating dynein activity. This gene encodes an intermediate chain dynein, belonging to the large family of motor proteins. Mutations in this gene result in abnormal ciliary ultrastructure and function associated with primary ciliary dyskinesia (PCD) and [[Kartagener syndrome. The DNAi1 gene (axonemal dyenin intermediate chain 1 gene 1) is a gene involved in the development of proper respiratory function, motility of spermatozoa, and asymmetrical organization of the viscera during embryogenesis. This gene affects these three very different aspects of development because all three are dependent on proper cilia function. DNAi1 codes for the development of cilia ultrastructure in the upper and lower respiratory tracts, spermatozoa flagellae, and nodal cilia (cilia of the primitive node). DNAi1 specifically encodes for an intermediate chain of the outer dyenin arm. Each dyenin arm of the ciliary axoneme has an inner and outer dyenin arm. A mutation in DNAi1 can lead to defective ciliary beating. A DNAi1 gene mutation accounts for 4-10% of all cases of primary ciliary dyskensia (PCD). The most frequent structural defect in cilia of PCD pateints are abnormal dyenin arms. A common mutation of DNAi1 leading to PCD is a hot-spot mutation in intron 1 of the gene. Mutations in coding or splicing are only found in 10% of PCD cases. ]].[2]

References

  1. ^ Pennarun G, Escudier E, Chapelin C, Bridoux AM, Cacheux V, Roger G, Clement A, Goossens M, Amselem S, Duriez B (Jan 2000). "Loss-of-function mutations in a human gene related to Chlamydomonas reinhardtii dynein IC78 result in primary ciliary dyskinesia". Am J Hum Genet 65 (6): 1508–19. PMC 1288361. PMID 10577904. doi:10.1086/302683. 
  2. ^ a b "Entrez Gene: DNAI1 dynein, axonemal, intermediate chain 1". 

External links

Further reading

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