Human NDUFB9 gene

Genomic organization and a possible candidate gene associated with deafness disorder mapped to chromosome 8q13

Xin Lin, Dan E. Wells, William J Kimberling, Shrawan Kumar

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Human NADH dehydrogenase (ubiquinone) 1β-subcomplex, 9 (NDUFB9) is a nuclear encoded mitochondrial protein with the respiratory electron transport chain. It has been physically mapped to a 1-Mb deletion at chromosome 8q13 which also contains the gene for branchio-oto-renal (BOR) syndrome. BOR syndrome is characterized by branchial and renal abnormalities with hearing impairment. Since several hereditary deafness disorders have been associated with mitochondrial mutations, NDUFB9 was considered a candidate gene for BOR syndrome. Recently, EYA1 gene has been identified in the region which underlies the BOR syndrome but majority of BOR families did not show mutations in the EYA1 gene. Here we have determined the genomic structure of the NDUFB9 gene, including the nucleotide sequence, organization and the boundaries of the four coding exons. PCR primers were designed from the adjacent intron sequences that allow amplification of the four exons that encode the complete open reading frame. To identify whether mutations in NDUFB9 are involved in causing the BOR syndrome, we screened 9 BOR families which did not show mutations in the EYA1 gene by heteroduplex analysis; however, no mutations were found.

Original languageEnglish (US)
Pages (from-to)75-80
Number of pages6
JournalHuman Heredity
Volume49
Issue number2
DOIs
StatePublished - Jan 1 1999

Fingerprint

Branchio-Oto-Renal Syndrome
Deafness
Chromosomes
Mutation
Genes
Kidney
Exons
Respiratory Transport
Heteroduplex Analysis
Electron Transport Complex I
Chromosome Deletion
Mitochondrial Proteins
Electron Transport
Hearing Loss
Introns
Open Reading Frames
Polymerase Chain Reaction

Keywords

  • Candidate gene
  • Chromosome 8q13
  • Deafness disorder
  • Human NDUFB9 gene

ASJC Scopus subject areas

  • Genetics
  • Genetics(clinical)

Cite this

Human NDUFB9 gene : Genomic organization and a possible candidate gene associated with deafness disorder mapped to chromosome 8q13. / Lin, Xin; Wells, Dan E.; Kimberling, William J; Kumar, Shrawan.

In: Human Heredity, Vol. 49, No. 2, 01.01.1999, p. 75-80.

Research output: Contribution to journalArticle

Lin, Xin ; Wells, Dan E. ; Kimberling, William J ; Kumar, Shrawan. / Human NDUFB9 gene : Genomic organization and a possible candidate gene associated with deafness disorder mapped to chromosome 8q13. In: Human Heredity. 1999 ; Vol. 49, No. 2. pp. 75-80.
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