CLAVATA Was a Genetic Novelty for the Morphological Innovation of 3D Growth in Land Plants.

Autor:	Whitewoods CD; Plant Sciences Department, Cambridge University, Downing Street, Cambridge CB2 3EA, UK., Cammarata J; Plant Sciences Department, Cambridge University, Downing Street, Cambridge CB2 3EA, UK; Plant Biology Section, School of Integrative Plant Science, Cornell University, Tower Road, Ithaca, NY 14853, USA; Weill Institute for Cell and Molecular Biology, Cornell University, Ithaca, NY 14853, USA., Nemec Venza Z; School of Biological Sciences, University of Bristol, 24 Tyndall Avenue, Bristol BS8 1TQ, UK., Sang S; School of Biological Sciences, University of Bristol, 24 Tyndall Avenue, Bristol BS8 1TQ, UK., Crook AD; Department of Biology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA., Aoyama T; Plant Sciences Department, Cambridge University, Downing Street, Cambridge CB2 3EA, UK; School of Biological Sciences, University of Bristol, 24 Tyndall Avenue, Bristol BS8 1TQ, UK., Wang XY; Plant Sciences Department, Cambridge University, Downing Street, Cambridge CB2 3EA, UK., Waller M; Department of Systematic and Evolutionary Botany, University of Zurich, Zollikerstrasse 107, 8008 Zurich, Switzerland., Kamisugi Y; Centre for Plant Sciences, Faculty of Biological Sciences, University of Leeds, Leeds LS2 9JT, UK., Cuming AC; Centre for Plant Sciences, Faculty of Biological Sciences, University of Leeds, Leeds LS2 9JT, UK., Szövényi P; Department of Systematic and Evolutionary Botany, University of Zurich, Zollikerstrasse 107, 8008 Zurich, Switzerland., Nimchuk ZL; Department of Biology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA; Curriculum in Genetics and Molecular Biology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA., Roeder AHK; Plant Biology Section, School of Integrative Plant Science, Cornell University, Tower Road, Ithaca, NY 14853, USA; Weill Institute for Cell and Molecular Biology, Cornell University, Ithaca, NY 14853, USA., Scanlon MJ; Plant Biology Section, School of Integrative Plant Science, Cornell University, Tower Road, Ithaca, NY 14853, USA., Harrison CJ; Plant Sciences Department, Cambridge University, Downing Street, Cambridge CB2 3EA, UK; School of Biological Sciences, University of Bristol, 24 Tyndall Avenue, Bristol BS8 1TQ, UK. Electronic address: jill.harrison@bristol.ac.uk.
Jazyk:	angličtina
Zdroj:	Current biology : CB [Curr Biol] 2018 Aug 06; Vol. 28 (15), pp. 2365-2376.e5. Date of Electronic Publication: 2018 Jul 19.
DOI:	10.1016/j.cub.2018.05.068
Abstrakt:	How genes shape diverse plant and animal body forms is a key question in biology. Unlike animal cells, plant cells are confined by rigid cell walls, and cell division plane orientation and growth rather than cell movement determine overall body form. The emergence of plants on land coincided with a new capacity to rotate stem cell divisions through multiple planes, and this enabled three-dimensional (3D) forms to arise from ancestral forms constrained to 2D growth. The genes involved in this evolutionary innovation are largely unknown. The evolution of 3D growth is recapitulated during the development of modern mosses when leafy shoots arise from a filamentous (2D) precursor tissue. Here, we show that a conserved, CLAVATA peptide and receptor-like kinase pathway originated with land plants and orients stem cell division planes during the transition from 2D to 3D growth in a moss, Physcomitrella. We find that this newly identified role for CLAVATA in regulating cell division plane orientation is shared between Physcomitrella and Arabidopsis. We report that roles for CLAVATA in regulating cell proliferation and cell fate are also shared and that CLAVATA-like peptides act via conserved receptor components in Physcomitrella. Our results suggest that CLAVATA was a genetic novelty enabling the morphological innovation of 3D growth in land plants. (Copyright © 2018 The Authors. Published by Elsevier Ltd.. All rights reserved.)
Databáze:	MEDLINE
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