Cellular and Supracellular Planar Polarity: A Multiscale Cue to Elongate the Drosophila Egg Chamber

Autor: Matteo Rauzi, Anna Popkova, Xiaobo Wang
Přispěvatelé: Rauzi, Matteo, Laboratoire de Biologie Cellulaire et Moléculaire du Contrôle de la Prolifération (LBCMCP), Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)-Centre de Biologie Intégrative (CBI), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS), Université Côte d'Azur (UCA)
Rok vydání: 2021
Předmět:
Zdroj: Frontiers in Cell and Developmental Biology, Vol 9 (2021)
Frontiers in Cell and Developmental Biology
Frontiers in Cell and Developmental Biology, 2021, 9, ⟨10.3389/fcell.2021.645235⟩
Frontiers in Cell and Developmental Biology, Frontiers media, 2021, 9, ⟨10.3389/fcell.2021.645235⟩
ISSN: 2296-634X
DOI: 10.3389/fcell.2021.645235
Popis: Tissue elongation is known to be controlled by oriented cell division, elongation, migration and rearrangement. While these cellular processes have been extensively studied, new emerging supracellular mechanisms driving tissue extension have recently been unveiled. Tissue rotation and actomyosin contractions have been shown to be key processes drivingDrosophilaegg chamber elongation. First, egg chamber rotation facilitates the dorsal-ventral alignment of the extracellular matrix and of the cell basal actin fibers. Both fiber-like structures form supracellular networks constraining the egg growth in a polarized fashion thus working as ‘molecular corsets’. Second, the supracellular actin fiber network, powered by myosin periodic oscillation, contracts anisotropically driving tissue extension along the egg anterior-posterior axis. During both processes, cellular and supracellular planar polarity provide a critical cue to controlDrosophilaegg chamber elongation. Here we review how different planar polarized networks are built, maintained and function at both cellular and supracellular levels in theDrosophilaovarian epithelium.
Databáze: OpenAIRE