Laboratory for Molecular Diagnostics
Center for Nephrology and Metabolic Disorders

B9 domain-containing protein 1

The B9D1 gene encodes a membrane protein essential for cilia assambly. Mutations cause autosomal recessive Joubert syndrome 27 and Meckel syndrome 9.

Genetests:

Clinic Method Carrier testing
Turnaround 5
Specimen type genomic DNA
Research Method Genomic sequencing of the entire coding region
Turnaround 25
Specimen type genomic DNA
Clinic Method Massive parallel sequencing
Turnaround 25
Specimen type genomic DNA

Related Diseases:

Meckel syndrome 09
B9D1
Joubert syndrome 27
B9D1

References:

1.

Bialas NJ et. al. (2009) Functional interactions between the ciliopathy-associated Meckel syndrome 1 (MKS1) protein and two novel MKS1-related (MKSR) proteins.

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2.

Williams CL et. al. (2011) MKS and NPHP modules cooperate to establish basal body/transition zone membrane associations and ciliary gate function during ciliogenesis.

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3.

Dowdle WE et. al. (2011) Disruption of a ciliary B9 protein complex causes Meckel syndrome.

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4.

Hopp K et. al. (2011) B9D1 is revealed as a novel Meckel syndrome (MKS) gene by targeted exon-enriched next-generation sequencing and deletion analysis.

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5.

Romani M et. al. (2014) Mutations in B9D1 and MKS1 cause mild Joubert syndrome: expanding the genetic overlap with the lethal ciliopathy Meckel syndrome.

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Update: Sept. 26, 2018