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Mechanistic and functional studies of Bacillus biofilms assembly on plants, and their impact in sustainable agriculture and food safety

Total Cost €


EC-Contrib. €






 BacBio project word cloud

Explore the words cloud of the BacBio project. It provides you a very rough idea of what is the project "BacBio" about.

interconnected    ecology    pathogen    planning    axis    interacts    conceived    extracellular    committed    microorganisms    productivity    agriculture    plants    investigation    agent    criteria    am    combine    differential    purpose    combat    trigger    bca    health    biochemistry    biofilm    exploited    isolates    exopolysaccharides    microbial    cereus    conventional    amyloid    food    therapies    circuitries    subtilis    insights    minimizing    assembly    structural    bacterium    components    multidisciplinary    efficiency    interaction    convey    start    vegetables    developmental    genetics    integral    pathogenic    differentiation    plant    diseases    external    communicates    govern    antibiotic    scenarios    parallel    impulse    sustainable    exist    proteins    biofilms    biocontrol    sustainability    knowing    central    ending    combined    proteomics    expression    inhibit    visualize    biology    beneficial    safety    population    commercialized    applicability    cell    variable    bacterial    fitness    bacillus    questions    functional    bcas    matrix    vast    molecular    biotechnological    borne    physiology   

Project "BacBio" data sheet

The following table provides information about the project.


Organization address
city: MALAGA
postcode: 29016

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country Spain [ES]
 Total cost 1˙453˙562 €
 EC max contribution 1˙453˙562 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2014-STG
 Funding Scheme ERC-STG
 Starting year 2015
 Duration (year-month-day) from 2015-03-01   to  2021-02-28


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    UNIVERSIDAD DE MALAGA ES (MALAGA) coordinator 1˙453˙562.00


 Project objective

Sustainable agriculture is an ambitious concept conceived to improve productivity but minimizing side effects. Why the efficiency of a biocontrol agent is so variable? How can different therapies be efficiently exploited in a combined way to combat microbial diseases? These are questions that need investigation to convey with criteria of sustainability. What I present is an integral proposal aim to study the microbial ecology and specifically bacterial biofilms as a central axis of two differential but likely interconnected scenarios in plant health: i) the beneficial interaction of the biocontrol agent (BCA) Bacillus subtilis, and ii) the non-conventional interaction of the food-borne pathogen Bacillus cereus. I will start working with B. subtilis, and reasons are: 1) Different isolates are promising BCAs and are commercialized for such purpose, 2) There exist vast information of the genetics circuitries that govern important aspects of B. subtilis physiology as antibiotic production, cell differentiation, and biofilm formation. In parallel I propose to study the way B. cereus, a food-borne pathogenic bacterium interacts with vegetables. I am planning to set up a multidisciplinary approach that will combine genetics, biochemistry, proteomics, cell biology and molecular biology to visualize how these bacterial population interacts, communicates with plants and other microorganisms, or how all these factors trigger or inhibit the developmental program ending in biofilm formation. I am also interested on knowing if structural components of the bacterial extracellular matrix (exopolysaccharides or amyloid proteins) are important for bacterial fitness. If this were the case, I will also investigate which external factors affect their expression and assembly in functional biofilms. The insights get on these studies are committed to impulse our knowledge on microbial ecology and their biotechnological applicability to sustainable agriculture and food safety.


year authors and title journal last update
List of publications.
2018 Antoine Loquet, Sven J. Saupe, Diego Romero
Functional Amyloids in Health and Disease
published pages: 3629-3630, ISSN: 0022-2836, DOI: 10.1016/j.jmb.2018.07.024
Journal of Molecular Biology 430/20 2019-11-07
2018 Jesús Cámara-Almirón, Joaquin Caro-Astorga, Antonio de Vicente, Diego Romero
Beyond the expected: the structural and functional diversity of bacterial amyloids
published pages: 653-666, ISSN: 1040-841X, DOI: 10.1080/1040841x.2018.1491527
Critical Reviews in Microbiology 44/6 2019-11-07
2019 Carlos Molina-Santiago, John R. Pearson, Yurena Navarro, María Victoria Berlanga-Clavero, Andrés Mauricio Caraballo-Rodriguez, Daniel Petras, María Luisa García-Martín, Gaelle Lamon, Birgit Haberstein, Francisco M. Cazorla, Antonio de Vicente, Antoine Loquet, Pieter C. Dorrestein, Diego Romero
The extracellular matrix protects Bacillus subtilis colonies from Pseudomonas invasion and modulates plant co-colonization
published pages: , ISSN: 2041-1723, DOI: 10.1038/s41467-019-09944-x
Nature Communications 10/1 2019-11-07
2019 Nadia El Mammeri, Jesus Hierrezuelo, James Tolchard, Jesús Cámara-Almirón, Joaquín Caro-Astorga, Ana Álvarez-Mena, Antoine Dutour, Mélanie Berbon, Jayakrishna Shenoy, Estelle Morvan, Axelle Grélard, Brice Kauffmann, Sophie Lecomte, Antonio de Vicente, Birgit Habenstein, Diego Romero, Antoine Loquet
Molecular architecture of bacterial amyloids in Bacillus biofilms
published pages: fj.201900831R, ISSN: 0892-6638, DOI: 10.1096/fj.201900831r
The FASEB Journal 2019-11-07

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