Author

P. Mergaert

Listed by name: these papers carry no ORCID for this author, so different people with the same name may be mixed together.

Biology Disciplines

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Microbiology· 7 Biophysics· 1

Signature Assays, Organisms & Methods

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Approach:experimental assay· 7 Organism:bacteria (other)· 5 Research Focus:cell type annotation· 4 Assay:proteomics· 3 Research Focus:differential expression· 2 Research Focus:gene regulatory network inference· 2 Research Focus:host-pathogen & immune response· 2 Organism:plant (other)· 2

Frequent Co-Authors

B. Alunni· 5 shared Q. Nicoud· 4 shared E. G. Biondi· 3 shared J. Lachat· 3 shared M. Bourge· 3 shared R. Le Bars· 3 shared A. Kereszt· 2 shared A. Yokota· 2 shared

Activity by Year

2020-2023 · peak 3/yr

Co-Author Collaboration Network

10 top collaborators · 29 mutual co-author links

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5 shared papersMicrobiology

B. Alunni

Mutual co-authors in cluster

Author profile →

8 papers

Recent·Most cited

Hundreds of antimicrobial peptides create a selective barrier for insect gut symbionts

J. Lachat, G. Lextrait, R. Jouan, A. Boukherissa, A. Yokota, S. Jang, K. Ishigami, R. Futahashi, R. Cossard, D. Naquin, V. Costache, L. Augusto, P. Tissiere, E. G. Biondi, B. Alunni, , P. Mergaert

The paper identifies hundreds of antimicrobial peptides in the insect gut that create a selective barrier for symbionts, with resistance mechanisms crucial for colonization.

bioRxiv · Oct 16, 2023Microbiology

Transposon sequencing reveals the essential gene set and genes enabling gut symbiosis in the insect symbiont Caballeronia insecticola

R. Jouan, G. Lextrait, J. Lachat, A. Yokota, R. Cossard, D. Naquin, T. Timtchenko, Y. Kikuchi, T. Ohbayashi, P. Mergaert

This study uses transposon sequencing to identify essential genes and gut-specific nutrients in the insect symbiont Caballeronia insecticola.

bioRxiv · Sep 7, 2023 · PreprintMicrobiology

Sinorhizobium meliloti FcrX coordinates cell cycle and division during free-living growth and symbiosis

S. Dendene, S. Xue, Q. Nicoud, O. Valette, A. Frascella, A. Bonnardel, R. Le Bars, M. Bourge, P. Mergaert, M. Brilli, B. Alunni, E. G. Bondi

This study identifies FcrX as a regulator of cell cycle and division in S. meliloti, showing it controls CtrA and FtsZ to coordinate free-living growth and symbiotic differentiation.

bioRxiv · Mar 13, 2023 · PreprintMicrobiology

Differential genetic strategies of Burkholderia vietnamiensis and Paraburkholderia kururiensis for root colonization of Oryza sativa ssp. japonica and ssp. indica, as revealed by Tn-seq

A. Wallner, N. Busset, J. Lachat, L. Guigard, E. King, I. Rimbault, P. Mergaert, G. Bena, L. Moulin

This study compares the genetic strategies of Burkholderia vietnamiensis and Paraburkholderia kururiensis for colonizing two rice subspecies using Tn-seq, revealing differences in fitness genes and host-specific adaptations.

bioRxiv · Apr 14, 2022 · PreprintMicrobiology

Direct measurement of the aerotactic response in a bacterial suspension

J. Bouvard, C. Douarche, P. Mergaert, H. Auradou, F. Moisy

The paper measures the aerotactic response of Burkholderia contaminans by tracking bacteria and measuring oxygen gradients, finding a power-law relationship between aerotactic velocity and oxygen concentration.

bioRxiv · Mar 9, 2022Biophysics

DNA methylation in Ensifer species during free-living growth and during nitrogen-fixing symbiosis with Medicago spp.

G. C. diCenzo, L. Cangioli, Q. Nicoud, J. H. T. Cheng, M. J. Blow, N. Shapiro, T. Woyke, E. G. Biondi, B. Alunni, A. Mengoni, P. Mergaert

The paper identifies DNA methylation patterns in Ensifer species during free-living growth and symbiosis, showing changes in GANTC motif methylation linked to cell cycle and differentiation.

bioRxiv · Mar 8, 2021Microbiology

Sinorhizobium meliloti functions required for resistance to antimicrobial NCR peptides and bacteroid differentiation

Q. Nicoud, Q. Barriere, N. Busset, S. Dendene, D. Y. Travin, M. Bourge, R. Le Bars, C. Boulogne, M. Lecroël, S. Jenei, A. Kereszt, E. Kondorosi, E. G. Biondi, T. Timtchenko, B. Alunni, P. Mergaert

This study identifies S. meliloti functions that protect against NCR peptides and enable bacteroid differentiation in Medicago nodules.

bioRxiv · Dec 4, 2020Microbiology

Bradyrhizobium diazoefficiens USDA110 nodulation of Aeschynomene afraspera is associated with atypical terminal bacteroid differentiation and suboptimal symbiotic efficiency

Q. Nicoud, F. Lamouche, A. Chaumeret, T. Balliau, R. Le Bars, M. Bourge, F. Pierre, F. Guerard, E. Sallet, S. Tuffigo, O. Pierre, Y. Dessaux, F. Gilard, B. Gakiere, I. Nagy, , B. Alunni

This study shows that Bradyrhizobium diazoefficiens USDA110 forms a functional but inefficient symbiosis with Aeschynomene afraspera due to atypical terminal bacteroid differentiation.

bioRxiv · Nov 24, 2020Microbiology