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Identification of Beneficial Microbial Consortia and Bioactive Compounds with Potential as Plant Biostimulants for a Sustainable Agriculture

1
Department for Sustainability, ENEA, Italian National Agency for New Technologies, Energy and Sustainable Economic Development, Casaccia Research Center, 00123 Rome, Italy
2
AGRIGES srl, 82035 San Salvatore Telesino, Italy
3
Center for Biotechnology (CeBiTec), Bielefeld University, 33615 Bielefeld, Germany
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SITEIA.PARMA, Interdepartmental Centre for Food Safety, Technologies and Innovation for Agri-Food and Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, 43124 Parma, Italy
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Department of Agroecology & Organic Farming, Rheinische Friedrich-Wilhelms-Universität Bonn, 53121 Bonn, Germany
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Department of Biology, University of Copenhagen, Universitetsparken 15 Bldg 1, 2200 Copenhagen, Denmark
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Centro Colture Sperimentali, CCS-Aosta S.r.l., 11020 Quart, Italy
8
Natural Resources Institute Finland (Luke), Myllytie 1, 31600 Jokioinen, Helsinki, Finland
*
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Academic Editor: Denis Faure
Microorganisms 2021, 9(2), 426; https://doi.org/10.3390/microorganisms9020426
Received: 1 January 2021 / Revised: 7 February 2021 / Accepted: 8 February 2021 / Published: 19 February 2021
(This article belongs to the Section Plant Microbe Interactions)
A growing body of evidence demonstrates the potential of various microbes to enhance plant productivity in cropping systems although their successful field application may be impaired by several biotic and abiotic constraints. In the present work, we aimed at developing multifunctional synthetic microbial consortia to be used in combination with suitable bioactive compounds for improving crop yield and quality. Plant growth-promoting microorganisms (PGPMs) with different functional attributes were identified by a bottom-up approach. A comprehensive literature survey on PGPMs associated with maize, wheat, potato and tomato, and on commercial formulations, was conducted by examining peer-reviewed scientific publications and results from relevant European projects. Metagenome fragment recruitments on genomes of potential PGPMs represented in databases were also performed to help identify plant growth-promoting (PGP) strains. Following evidence of their ability to coexist, isolated PGPMs were synthetically assembled into three different microbial consortia. Additionally, the effects of bioactive compounds on the growth of individually PGPMs were tested in starvation conditions. The different combination products based on microbial and non-microbial biostimulants (BS) appear worth considering for greenhouse and open field trials to select those potentially adoptable in sustainable agriculture. View Full-Text
Keywords: SIMBA; sustainable agriculture; plant growth-promoting microorganisms; microbial consortia; metagenome fragment recruitments; delivery methods; in vitro compatibility; bioactive compounds SIMBA; sustainable agriculture; plant growth-promoting microorganisms; microbial consortia; metagenome fragment recruitments; delivery methods; in vitro compatibility; bioactive compounds
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MDPI and ACS Style

Tabacchioni, S.; Passato, S.; Ambrosino, P.; Huang, L.; Caldara, M.; Cantale, C.; Hett, J.; Del Fiore, A.; Fiore, A.; Schlüter, A.; Sczyrba, A.; Maestri, E.; Marmiroli, N.; Neuhoff, D.; Nesme, J.; Sørensen, S.J.; Aprea, G.; Nobili, C.; Presenti, O.; Giovannetti, G.; Giovannetti, C.; Pihlanto, A.; Brunori, A.; Bevivino, A. Identification of Beneficial Microbial Consortia and Bioactive Compounds with Potential as Plant Biostimulants for a Sustainable Agriculture. Microorganisms 2021, 9, 426. https://doi.org/10.3390/microorganisms9020426

AMA Style

Tabacchioni S, Passato S, Ambrosino P, Huang L, Caldara M, Cantale C, Hett J, Del Fiore A, Fiore A, Schlüter A, Sczyrba A, Maestri E, Marmiroli N, Neuhoff D, Nesme J, Sørensen SJ, Aprea G, Nobili C, Presenti O, Giovannetti G, Giovannetti C, Pihlanto A, Brunori A, Bevivino A. Identification of Beneficial Microbial Consortia and Bioactive Compounds with Potential as Plant Biostimulants for a Sustainable Agriculture. Microorganisms. 2021; 9(2):426. https://doi.org/10.3390/microorganisms9020426

Chicago/Turabian Style

Tabacchioni, Silvia, Stefania Passato, Patrizia Ambrosino, Liren Huang, Marina Caldara, Cristina Cantale, Jonas Hett, Antonella Del Fiore, Alessia Fiore, Andreas Schlüter, Alexander Sczyrba, Elena Maestri, Nelson Marmiroli, Daniel Neuhoff, Joseph Nesme, Søren J. Sørensen, Giuseppe Aprea, Chiara Nobili, Ombretta Presenti, Giusto Giovannetti, Caterina Giovannetti, Anne Pihlanto, Andrea Brunori, and Annamaria Bevivino. 2021. "Identification of Beneficial Microbial Consortia and Bioactive Compounds with Potential as Plant Biostimulants for a Sustainable Agriculture" Microorganisms 9, no. 2: 426. https://doi.org/10.3390/microorganisms9020426

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