RRC ID 11435
著者 Kobayashi D, Iijima N, Hagiwara H, Kamura K, Takeda H, Yokoyama T.
タイトル Characterization of the medaka (Oryzias latipes) primary ciliary dyskinesia mutant, jaodori: Redundant and distinct roles of dynein axonemal intermediate chain 2 (dnai2) in motile cilia.
ジャーナル Dev Biol
Abstract Cilia and flagella are highly conserved organelles that have diverse motility and sensory functions. Motility defects in cilia and flagella result in primary ciliary dyskinesia (PCD). We isolated a novel medaka PCD mutant, jaodori (joi). Positional cloning showed that axonemal dynein intermediate chain 2 (dnai2) is responsible for joi. The joi mutation was caused by genomic insertion of the medaka transposon, Tol1. In the joi mutant, cilia in Kupffer's vesicle (KV), an organ functionally equivalent to the mouse node in terms of left-right (LR) specification, are generated but their motility is disrupted, resulting in a LR defect. Ultrastructural analysis revealed severe reduction in the outer dynein arms in KV cilia of joi mutants. We also found the other dnai2 gene in the medaka genome. These two dnai2 genes function either redundantly or distinctly in tissues possessing motile cilia.
巻・号 347(1)
ページ 62-70
公開日 2010-11-1
DOI 10.1016/j.ydbio.2010.08.008
PII S0012-1606(10)01000-6
PMID 20709053
MeSH Animals Axonemal Dyneins / genetics* Axonemal Dyneins / metabolism Base Sequence Biomarkers / metabolism Body Patterning Cilia / metabolism* Cilia / pathology DNA Mutational Analysis Embryo, Nonmammalian / abnormalities Embryo, Nonmammalian / metabolism Embryo, Nonmammalian / pathology Fish Proteins / genetics* Gene Expression Regulation, Developmental Kartagener Syndrome / genetics* Kartagener Syndrome / pathology Molecular Sequence Data Movement / physiology* Mutation / genetics* Organ Specificity Oryzias / embryology Oryzias / genetics* Phenotype RNA, Messenger / genetics RNA, Messenger / metabolism Rheology Tail
IF 2.896
引用数 6
WOS 分野 DEVELOPMENTAL BIOLOGY
リソース情報
メダカ hatching enzyme d-rR/TOKYO (MT837) HNI-II (IB176)