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A transient radial cortical microtubule array primes cell division in Arabidopsis
Indexado
WoS WOS:001278226000001
Scopus SCOPUS_ID:85198597777
DOI 10.1073/PNAS.2320470121
Año 2024
Tipo artículo de investigación

Citas Totales

Autores Afiliación Chile

Instituciones Chile

% Participación
Internacional

Autores
Afiliación Extranjera

Instituciones
Extranjeras


Abstract



Although the formation of new walls during plant cell division tends to follow maximal tensile stress direction, analyses of individual cells over time reveal a much more variable behavior. The origin of such variability as well as the exact role of interphasic micro- tubule behavior before cell division have remained mysterious so far. To approach this question, we took advantage of the Arabidopsis stem, where the tensile stress pattern is both highly anisotropic and stable. Although cortical microtubules (CMTs) generally align with maximal tensile stress, we detected a specific time window, ca. 3 h before cell division, where cells form a radial pattern of CMTs. This microtubule array organization preceded preprophase band (PPB) formation, a transient CMT array predicting the position of the future division plane. It was observed under different growth conditions and was not related to cell geometry or polar auxin transport. Interestingly, this cortical radial pattern correlated with the well-- documented increase of cytoplasmic microtubule accumulation before cell division. This radial organization was prolonged in cells of the trm678 mutant, where CMTs are unable to form a PPB. Whereas division plane orientation in trm678 is noisier, we found that cell division symmetry was in contrast less variable between daughter cells. We propose that this "radial step" reflects a trade- off in robustness for two essential cell division attributes: symmetry and orientation. This involves a "reset" stage in G2, where an increased cytoplasmic microtubule accumulation transiently disrupts CMT alignment with tissue stress.

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Disciplinas de Investigación



WOS
Multidisciplinary Sciences
Scopus
Sin Disciplinas
SciELO
Sin Disciplinas

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Publicaciones WoS (Ediciones: ISSHP, ISTP, AHCI, SSCI, SCI), Scopus, SciELO Chile.

Colaboración Institucional



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Autores - Afiliación



Ord. Autor Género Institución - País
1 Melogno, Isaty - Univ Lyon - Francia
Ecole Normale Supérieure de Lyon - Francia
2 Takatani, Shogo - Univ Lyon - Francia
Nagoya Univ - Japón
Ecole Normale Supérieure de Lyon - Francia
Nagoya University - Japón
3 Llanos, Paula - Universidad Adolfo Ibáñez - Chile
4 Goncalves, Coralie - Univ Paris Saclay - Francia
Universite Paris-Saclay - Francia
5 Kodera, Chie - Univ Paris Saclay - Francia
Universite Paris-Saclay - Francia
6 Martin, Marjolaine - Univ Lyon - Francia
Ecole Normale Supérieure de Lyon - Francia
7 Lionnet, Claire - Univ Lyon - Francia
Ecole Normale Supérieure de Lyon - Francia
8 Uyttewaal, Magalie - Univ Paris Saclay - Francia
Universite Paris-Saclay - Francia
9 Pastuglia, Martine - Univ Paris Saclay - Francia
Universite Paris-Saclay - Francia
10 Trehin, Christophe - Univ Lyon - Francia
Ecole Normale Supérieure de Lyon - Francia
11 Bouchez, David Hombre Universite Paris-Saclay - Francia
12 Dumais, J. Hombre Universidad Adolfo Ibáñez - Chile
13 Hamant, Olivier Hombre Univ Lyon - Francia
Ecole Normale Supérieure de Lyon - Francia

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Financiamiento



Fuente
FONDECYT
Fondo Nacional de Desarrollo Científico y Tecnológico
European Union
European Research Council
Seventh Framework Programme
European Research Council (ERC)
Human Frontier Science Program
Saclay Plant Sciences-SPS
AgreenSkills+ fellowship program
Human Frontier Science Program Grant
Human Frontier Science Program Long-Term-Fellowship
Institut Jean-Pierre Bourgin
Reproduction et Développement des Plantes

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Agradecimientos



Agradecimiento
We thank the MechanoDevo team at the RDP (Reproduction et Developpement des Plantes) lab for insightful discussion, and Platim for help with imaging. This work was supported by a Human Frontier Science Program Long-Term-Fellowship (LT000891/2018-L to S.T.) , by the European Research Council (ERC- 2021-AdG- 101019515 "Musix" to O.H.) and by Human Frontier Science Program Grant RGP0023/2018. This work was also supported by the AgreenSkills+ fellowship program, which has received funding from the European Union's Seventh FrameworkProgram under Grant Agreement FP7- 609398 (AgreenSkills+ contract to ST) . This work has benefited from the support of IJPB's Plant Observatory technological platforms. The IJPB (Institut Jean- Pierre Bourgin) benefits from the support of Saclay Plant Sciences- SPS (ANR-17-EUR-0007) . J.D. and P.L. acknowledge support from Fondecyt 1211568.
ACKNOWLEDGMENTS. We thank the MechanoDevo team at the RDP (Reproduction et D\u00E9veloppement des Plantes) lab for insightful discussion, and Platim for help with imaging. This work was supported by a Human Frontier Science Program Long-Term-Fellowship (LT000891/2018-L to S.T.), by the European Research Council (ERC-2021-AdG-101019515 \u201CMusix\u201D to O.H.) and by Human Frontier Science Program Grant RGP0023/2018. This work was also supported by the AgreenSkills+ fellowship program, which has received funding from the European Union's Seventh FrameworkProgram under Grant Agreement FP7-609398 (AgreenSkills+ contract to ST). This work has benefited from the support of IJPB's Plant Observatory technological platforms. The IJPB (Institut Jean-Pierre Bourgin) benefits from the support of Saclay Plant Sciences-SPS (ANR-17-EUR-0007).J.D.and P.L.acknowledge support from Fondecyt 1211568.
ACKNOWLEDGMENTS. We thank the MechanoDevo team at the RDP (Reproduction et D\u00E9veloppement des Plantes) lab for insightful discussion, and Platim for help with imaging. This work was supported by a Human Frontier Science Program Long-Term-Fellowship (LT000891/2018-L to S.T.), by the European Research Council (ERC-2021-AdG-101019515 \u201CMusix\u201D to O.H.) and by Human Frontier Science Program Grant RGP0023/2018. This work was also supported by the AgreenSkills+ fellowship program, which has received funding from the European Union's Seventh FrameworkProgram under Grant Agreement FP7-609398 (AgreenSkills+ contract to ST). This work has benefited from the support of IJPB's Plant Observatory technological platforms. The IJPB (Institut Jean-Pierre Bourgin) benefits from the support of Saclay Plant Sciences-SPS (ANR-17-EUR-0007).J.D.and P.L.acknowledge support from Fondecyt 1211568.

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