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Zebrafish Ciliopathy Screen Plus Human Mutational Analysis Identifies C21orf59 and CCDC65 Defects as Causing Primary Ciliary Dyskinesia

Authors
 Christina Austin-Tse  ;  Jan Halbritter  ;  Maimoona A. Zariwala  ;  Rene´e M. Gilberti  ;  Heon Yung Gee  ;  Nathan Hellman  ;  Narendra Pathak  ;  Yan Liu  ;  Jennifer R. Panizzi  ;  Ramila S. Patel-King  ;  Douglas Tritschler  ;  Raqual Bower  ;  Eileen O’Toole  ;  Jonathan D. Porath  ;  Toby W. Hurd  ;  Moumita Chaki  ;  Katrina A. Diaz  ;  Stefan Kohl  ;  Svjetlana Lovric  ;  Daw-Yang Hwang  ;  Daniela A. Braun  ;  Markus Schueler  ;  Rannar Airik  ;  Edgar A. Otto  ;  Margaret W. Leigh  ;  Peadar G. Noone  ;  Johnny L. Carson  ;  Stephanie D. Davis  ;  Jessica E. Pittman  ;  Thomas W. Ferkol  ;  Jeffry J. Atkinson  ;  Kenneth N. Olivier  ;  Scott D. Sagel  ;  Sharon D. Dell  ;  Margaret Rosenfeld  ;  Carlos E. Milla  ;  Niki T. Loges  ;  Heymut Omran  ;  Mary E. Porter  ;  Stephen M. King  ;  Michael R. Knowles  ;  Iain A. Drummond  ;  Friedhelm Hildebrandt 
Citation
 AMERICAN JOURNAL OF HUMAN GENETICS, Vol.93(4) : 672-686, 2013 
Journal Title
 AMERICAN JOURNAL OF HUMAN GENETICS 
ISSN
 0002-9297 
Issue Date
2013
MeSH
Animals ; Chlamydomonas/genetics ; Cilia/genetics ; Ciliary Motility Disorders/genetics ; DNA Mutational Analysis/methods ; Dyneins/genetics ; Female ; Glycoproteins/genetics ; Humans ; Kartagener Syndrome/genetics ; Male ; Mutation ; Open Reading Frames ; Planarians/genetics ; Proteome/genetics ; Zebrafish/genetics
Abstract
Primary ciliary dyskinesia (PCD) is caused when defects of motile cilia lead to chronic airway infections, male infertility, and situs abnormalities. Multiple causative PCD mutations account for only 65% of cases, suggesting that many genes essential for cilia function remain to be discovered. By using zebrafish morpholino knockdown of PCD candidate genes as an in vivo screening platform, we identified c21orf59, ccdc65, and c15orf26 as critical for cilia motility. c21orf59 and c15orf26 knockdown in zebrafish and planaria blocked outer dynein arm assembly, and ccdc65 knockdown altered cilia beat pattern. Biochemical analysis in Chlamydomonas revealed that the C21orf59 ortholog FBB18 is a flagellar matrix protein that accumulates specifically when cilia motility is impaired. The Chlamydomonas ida6 mutant identifies CCDC65/FAP250 as an essential component of the nexin-dynein regulatory complex. Analysis of 295 individuals with PCD identified recessive truncating mutations of C21orf59 in four families and CCDC65 in two families. Similar to findings in zebrafish and planaria, mutations in C21orf59 caused loss of both outer and inner dynein arm components. Our results characterize two genes associated with PCD-causing mutations and elucidate two distinct mechanisms critical for motile cilia function: dynein arm assembly for C21orf59 and assembly of the nexin-dynein regulatory complex for CCDC65.
Files in This Item:
T201306226.pdf Download
DOI
10.1016/j.ajhg.2013.08.015
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Pharmacology (약리학교실) > 1. Journal Papers
Yonsei Authors
Gee, Heon Yung(지헌영) ORCID logo https://orcid.org/0000-0002-8741-6177
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/158492
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