Laurent Laplaze
Laurent
Laplaze
  • Occitanie Regional delegation, Montpellier, France

Specialities

Cell and molecular physiology | Root biology

Function

Research Director

Collective responsibility(s)

Team coordination

Team(s)

Membership Institute

IRD

My research focuses on tropical cereals (millet, rice, sorghum) and aims to characterize and harness root traits to develop new varieties and management practices that sustainably improve agricultural productivity and resilience.

Keywords
  • Root system
  • Development
  • Root symbioses
  • Abiotic stress
  • Cereals

Publications

Nakombo-Gbassault P., Arenas S., Affortit P., Faye A., Flis P., Sine B., Moukouanga D., Gantet P., Komba E. K., Kane N., Bennett M., Wells D., Cubry P., Bailey E., Grondin A., Vigouroux Y., Laplaze L. 2025. Genetic control of the leaf ionome in pearl millet and correlation with root and agromorphological traits. PLOS ONE. 20(5). e0319140.
Mbodj D., Diedhiou A. G., Manneh B., Ndiaye C., Laplaze L., Kane A. 2025. AMF inoculation reduces yield losses in rice exposed to alternate wetting and drying and low fertilization. Scientific Reports. 15. 12281.
Arenas S., Djabali Y., Rincent R., Cubry P., Martin M. L., Blein-Nicolas M., Laplaze L., Schneider H., Grondin A. 2025. Modeling plant phenotypic plasticity and its underlying genetic architecture: a comparative study. Journal of Experimental Botany. 76:8. 2239–2251.
Beckers A., Mamiya A., Furutani M., Bennett M. J., Fukaki H., Sawa S., Gantet P., Laplaze L., Guyomarc’h S. 2025. Multiple layers of regulators emerge in the network controlling lateral root organogenesis. Trends in Plant Science. 30 (5). 499-514.
De la Fuente C., Grondin A., Sine B., Debieu M., Belin C., Hajjarpoor A., Atkinson J., Passot S., Salson M., Orjuela J., Tranchant-Dubreuil C., Brossier J.-R., Steffen M., Morgado C., Dinh H. N., Pandey B., Darmau J., Champion A., Petitot A.-S., Barrachina C., Pratlong M., Mounier T., Gantet P., Gangashetty P., Guedon Y., Vadez V., Reichheld J.-P., Bennett M., Kane N., Guyomarc'h S., Wells D., Vigouroux Y., Laplaze L. 2024. Glutaredoxin regulation of primary root growth confers early drought stress tolerance in pearl millet. eLife. 12.
Vadez V., Grondin A., Chenu K., Henry A., Laplaze L., Millet E., Carminati A. 2024. Crop traits and production under drought. Nature Reviews Earth & Environment. 5. 211–225.
Ndoye M. S., Lucas M., Ajmera I. B., Sine B., Faye A., Burridge J., Ngom M., Gantet P., Wells D. M., Kane N. A., Lynch J. P., Diédhiou A. G., Grondin A., Laplaze L. 2024. Modeling reveals synergies among root traits for phosphorus acquisition in pearl millet. Crop Design. 3 (3). 100059.
Affortit P., Ahmed M. A., Grondin A., Delzon S., Carminati A., Laplaze L. 2024. Keep in touch: the soil-root hydraulic continuum and its role in drought resistance in crops. Journal of Experimental Botany. 75 (2). 584-593.
Alahmad A., Harir M., Fochesato S., Tulumello J., Walkere A., Barakat M., Ndour P. M. S., Schmitt-Kopplin P., Cournac L., Laplaze L., Heulin T., Achouak W. 2024. Unraveling the interplay between root exudates, microbiota, and rhizosheath formation in pearl millet. Microbiome. 12. 1-17.
Nguyen H. T., Cheaib M., Fournel M., Rios M., Gantet P., Laplaze L., Guyomarc'h S., Riemann M., Heitz T., Petitot A.-S., Champion A. 2023. Genetic analysis of the rice jasmonate receptors reveals specialized functions for OsCOI2. PLoS ONE. 18 (9). e0291385.
Hirt H., Al-Babili S., Almeida-Trapp M., Martin A., Aranda M., Bartels D., Bennett M., Blilou I., Boer D., Boulouis A., Bowler C., Brunel-Muguet S., Chardon F., Colcombet J., Colot V., Daszkowska-Golec A., Dinneny J. R., Field B., Froehlich K., Gardener C. H., Gojon A., Gomès E., Gomez-Alvarez E. M., Gutierrez C., Havaux M., Hayes S., Heard E., Hodges M., Alghamdi A. K., Laplaze L., Lauersen K. J., Leonhardt N., Johnson X., Jones J., Kollist H., Kopriva S., Krapp A., Lopez-Portillo Masson M., McCabe M. F., Merendino L., Molina A., Moreno Ramirez J. L., Mueller-Roeber B., Nicolas M., Nir I., Orduna I. O., Pardo J. M., Reichheld J-P., Rodriguez P. L., Rouached H., Saad M. M., Schlögelhofer P., Singh K. A., De Smet I., Stanschewski C., Stra A., Tester M., Walsh C., Weber A. P. M., Weigel D., Wigge P., Wrzaczek M., Wulff B. B.H., Young I. M. 2023. PlantACT! – how to tackle the climate crisis. Trends in Plant Science. 28 (5). 537-543.
Dondjou D., Diedhiou A., Mbodj D., Mofini M.-T., Pignoly S., Ndiaye C., Diedhiou I., Assigbetse K., Manneh B., Laplaze L., Kane A. 2023. Rice developmental stages modulate rhizosphere bacteria and archaea co-occurrence and sensitivity to long-term inorganic fertilization in a West African Sahelian agro-ecosystem. Environmental Microbiome. 18. 42.
Baurle I., Laplaze L., Martin A. 2023. Preparing for an uncertain future: molecular responses of plants facing climate change. Journal of Experimental Botany. 74 (5). 1297-1302.
Mofini M.-T., Diedhiou A., Simonin M., Dondjou D. T., Pignoly S., Ndiaye C., Min D., Vigouroux Y., Laplaze L., Kane A. 2022. Cultivated and Wild Pearl Millet Display Contrasting Patterns of Abundance and Co-occurrence in their root mycobiome. Scientific Reports. 12. 207.
De la Fuente Canto C., Diouf M. N., Ndour P. M. S., Debieu M., Grondin A., Passot S., Champion A., Barrachina C., Pratlong M., Gantet P., Assigbetse K., Kane N. A., Cubry P., Diedhiou A., Heulin T., Achouak W., Vigouroux Y., Cournac L., Laplaze L. 2022. Genetic control of rhizosheath formation in pearl millet. Scientific Reports. 12. 9205.
Affortit P., Effa-Effa B., Ndoye M. S., Moukouanga D., Luchaire N., Cabrera-Bosquet L., Peralvarez M., Pilloni R., Welcker C., Champion A., Gantet P., Diedhiou A. G., Manneh B., Aroca R., Vadez V., Laplaze L., Cubry P., Grondin A. 2022. Physiological and genetic control of transpiration efficiency in African rice, Oryza glaberrima Steud. Journal of Experimental Botany. 73(15). 5279-5293.
Gonin M., Jeong K., Coudert Y., Lavarenne J., Hoang G., Bes M., To H., Thiaw M.-R., Do T., Moujouanga D., Guyomarc'h S., Bellande K., Brossier J., Parizot B., Nguyen H., Beeckman T., Bergougnoux V., Rouster J., Sallaud C., Laplaze L., Champion A., Gantet P. 2022. CROWN ROOTLESS1 binds DNA with a relaxed specificity and activates OsROP and OsbHLH044 genes involved in crown root formation in rice. The Plant Journal. 111(2). 546-566.
Ndoye M. S., Burridge J., Bhosale R., Grondin A., Laplaze L. 2022. Root traits for low input agroecosystems in Africa: lessons from three case studies. Plant, Cell & Environment. 45 (3). 637-649.
Bellande K., Trinh D.-C., Gonzalez A.-A., Dubois E., Petitot A.-S., Lucas M., Champion A., Gantet P., Laplaze L., Guyomarc'h S. 2022. PUCHI represses early meristem formation in developing lateral roots of Arabidopsis thaliana. Journal of Experimental Botany. 73 (11). 3496-3510.
Mamadou Sitor Ndour P., Mbacke Barry C., Tine D., De la Fuente Canto C., Gueye M., Barakat ​M., Ortet P., Achouak W., Ndoye I., Sine B., Laplaze L., Heulin T., Cournac L. 2021. Pearl millet genotype impacts microbial diversity and enzymatic activities in relation to root-adhering soil aggregation. Plant and Soil. 464. 109–129.
Guyomarc'h S., Boutte Y., Laplaze L. 2021. AP2/ERF transcription factors orchestrate very long chain fatty acid biosynthesis during Arabidopsis lateral root development. Molecular Plant. 14 (2). 205-207.
El Mamoun I., Mouna F., Mohammed A., Bendaou N., Triqui Z.-E. A., Guedira A., Bogusz D., Laplaze L., Smouni A. 2020. Zinc, lead, and cadmium tolerance and accumulation in Cistus libanotis, Cistus albidus, and Cistus salviifolius: Perspectives on phytoremediation. Remediation. 30(2). 73-80.
Grondin A., Affortit P., Tranchant-Dubreuil C., De la Fuente-Canto C., Mariac C., Gantet P., Vadez V., Vigouroux Y., Laplaze L. 2020. Aquaporins are main contributors to root hydraulic conductivity in pearl millet [Pennisetum glaucum (L) R. Br.]. PLOS ONE. 15(10). e0233481.
Lavarenne J., Gonin M., Champion A., Javelle M., Adam H., Rouster J., Conejero G., Lartaud M., Verdeil J.-L., Laplaze L., Sallaud C., Lucas M., Gantet P. 2020. Transcriptome profiling of laser-captured crown root primordia reveals new pathways activated during early stages of crown root formation in rice. PLOS ONE. 15(11). e0238736.
Ndour P. M. S., Heulin T., Achouak W., Laplaze L., Cournac L. 2020. The rhizosheath: from desert plants adaptation to crop breeding. Plant and Soil. 456. 1-13.
Djighaly P. I., Ngom D., Diagne N., Fall D., Ngom M., Diouf D., Hocher V., Laplaze L., Champion A., Farrant J. M., Svistoonoff S. 2020. Effect of Casuarina plantations inoculated with arbuscular mycorrhizal fungi and Frankia on the diversity of herbaceous vegetation in saline environments in Senegal. Diversity. 12 (8). 293.
De la Fuente Canto C., Simonin M., King E., Moulin L., Bennett M., Castrillo G., Laplaze L. 2020. An extended root phenotype: the rhizosphere, its formation and impacts on plant fitness. The Plant Journal. 103 (3). 951-964.
Ngom M., Cissoko M., Gray K., Hocher V., Laplaze L., Sy M.O., Svistoonoff S., Champion A. 2019. Establishment of actinorhizal symbiosis in response to Ethylene, Salicylic Acid and Jasmonate. Methods in Molecular Biology. 2085. 117-130.
Lavarenne J., Gonin M., Guyomarc'h S., Rouster J., Champion A., Sallaud C., Laplaze L., Gantet P., Lucas M. 2019. Inference of the gene regulatory network acting downstream of CROWN ROOTLESS 1 in rice reveals a regulatory cascade linking genes involved in auxin signaling, crown root initiation, and root meristem specification and maintenance. The Plant Journal. 100(5). 954-968.
Faye A., Sine B., Chopart J.-L., Grondin A., Lucas M., Diedhiou A. G., Gantet P., Cournac L., Ming D., Audebert A., Kane A., Laplaze L. 2019. Development of a model estimating root length density from root impacts on a soil profile in pearl millet (Pennisetum glaucum (L.) R. Br). Application to measure root system response to water stress in field conditions. PLOS ONE. 14 (7). e0214182.
Dubrovsky J. G., Fukaki H., Laplaze L., Laskowski M. 2019. Root Branching: From Lateral Root Primordium Initiation and Morphogenesis to Function [Editorial]. Frontiers in Plant Science. 10. 1462.
Banda J., Bellande K., Von Wangenheim D., Goh T., Guyomarc'h S., Laplaze L., Bennett M. J. 2019. Lateral Root Formation in Arabidopsis: A Well-Ordered Lrexit. Trends in Plant Science. 24 (9). 826 - 839.
Trinh D.-C., Lavenus J., Goh T., Boutte Y., Drogue Q., Vaissayre V., Tellier F., Lucas M., Voss U., Gantet P., Faure J.-D., Dussert S., Fukaki H., Bennett M., Laplaze L., Guyomarch' S. 2019. PUCHI regulates very long chain fatty acid biosynthesis during lateral root and callus formation. Proceedings of the National Academy of Sciences of the United States of America (PNAS). 116 (28). 14325-14330.
Ghodhbane-Gtari F., Nouioui I., Hezbri K., Lundstedt E., D’Angelo T., McNutt Z., Laplaze L., Gherbi H., Vaissayre V., Svistoonoff S., ben Ahmed H., Boudabous A., Tisa L. S. 2019. The plant-growth-promoting actinobacteria of the genus Nocardia induces root nodule formation in Casuarina glauca. Antonie van Leeuwenhoek. 112. 75-90.
Toutes les publications
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