Article (Scientific journals)
Dispensability of tubulin acetylation for 15-protofilament microtubule formation in the mammalian cochlea.
Renauld, Justine; Thelen, Nicolas; Bartholomé, Odile et al.
2021In Cell Structure and Function
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Keywords :
Acetylation; cytoskeleton; inner ear; microtubule; supporting cells
Abstract :
[en] The development of hearing in mammals requires the formation and maturation of a highly organized and specialized epithelium known as the organ of Corti. This epithelium contains two types of cells, the sensory cells, which are the true receptors of auditory information, and the surrounding supporting cells, which are composed of a highly developed cytoskeleton essential to the architecture of the mature organ of Corti. The supporting cells are the only mammalian cells reported to contain the unusual 15-protofilament microtubules. In this paper, we show that 15-protofilament microtubules appear between the second and fourth day after birth in the pillar cells of the organ of Corti in mice. We also show that contrary to what has been described in the nematode worm Caenorhabiditis. Elegans, microtubule acetylation is not essential for the formation of 15-protofilament microtubules in mice but is required for fine-tuning of their diameter. Key words: Acetylation, cytoskeleton, microtubule, inner ear, supporting cells.
Disciplines :
Anatomy (cytology, histology, embryology...) & physiology
Author, co-author :
Renauld, Justine ;  Université de Liège > Département des sciences de la vie > GIGA-R : Biologie cellulaire
Thelen, Nicolas  ;  Université de Liège - ULiège > Département des sciences de la vie > Biologie cellulaire
Bartholomé, Odile ;  Université de Liège - ULiège > Département des sciences biomédicales et précliniques > Biochimie et physiologie générales, et biochimie humaine
Malgrange, Brigitte  ;  Université de Liège - ULiège > Stem Cells-Developmental Neurobiology
Thiry, Marc  ;  Université de Liège - ULiège > Département des sciences de la vie > Biologie cellulaire
Language :
English
Title :
Dispensability of tubulin acetylation for 15-protofilament microtubule formation in the mammalian cochlea.
Publication date :
2021
Journal title :
Cell Structure and Function
ISSN :
0386-7196
eISSN :
1347-3700
Publisher :
Japan Society for Cell Biology, Japan
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 27 January 2021

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