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Berruto CA, Demirer GS. Engineering agricultural soil microbiomes and predicting plant phenotypes. Trends Microbiol 2024:S0966-842X(24)00043-X. [PMID: 38429182 DOI: 10.1016/j.tim.2024.02.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2023] [Revised: 02/02/2024] [Accepted: 02/06/2024] [Indexed: 03/03/2024]
Abstract
Plant growth-promoting rhizobacteria (PGPR) can improve crop yields, nutrient use efficiency, plant tolerance to stressors, and confer benefits to future generations of crops grown in the same soil. Unlocking the potential of microbial communities in the rhizosphere and endosphere is therefore of great interest for sustainable agriculture advancements. Before plant microbiomes can be engineered to confer desirable phenotypic effects on their plant hosts, a deeper understanding of the interacting factors influencing rhizosphere community structure and function is needed. Dealing with this complexity is becoming more feasible using computational approaches. In this review, we discuss recent advances at the intersection of experimental and computational strategies for the investigation of plant-microbiome interactions and the engineering of desirable soil microbiomes.
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Affiliation(s)
- Chiara A Berruto
- Biology and Biological Engineering, California Institute of Technology, Pasadena, CA, USA
| | - Gozde S Demirer
- Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, CA, USA.
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Dosi A, Meziti A, Tounta E, Koemtzopoulos K, Komnenou A, Dendrinos P, Kormas K. Fecal and skin microbiota of two rescued Mediterranean monk seal pups during rehabilitation. Microbiol Spectr 2024; 12:e0280523. [PMID: 38084980 PMCID: PMC10783143 DOI: 10.1128/spectrum.02805-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2023] [Accepted: 11/15/2023] [Indexed: 01/13/2024] Open
Abstract
IMPORTANCE This study showed that during the rehabilitation of two rescued Mediterranean monk seal pups (Monachus monachus), the skin and fecal bacterial communities showed similar succession patterns between the two individuals. This finding means that co-housed pups share their microbiomes, and this needs to be considered in cases of infection outbreaks and their treatment. The housing conditions, along with the feeding scheme and care protocols, including the admission of antibiotics as prophylaxis, probiotics, and essential food supplements, resulted in bacterial communities with no apparent pathogenic bacteria. This is the first contribution to the microbiome of the protected seal species of M. monachus and contributes to the animal's conservation practices through its microbiome.
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Affiliation(s)
- Aggeliki Dosi
- Department of Ichthyology and Aquatic Environment, University of Thessaly, Volos, Greece
| | - Alexandra Meziti
- Department of Ichthyology and Aquatic Environment, University of Thessaly, Volos, Greece
| | - Eleni Tounta
- MOm/Hellenic Society for the Study and Protection of the Monk Seal, Athens, Greece
| | - Kimon Koemtzopoulos
- MOm/Hellenic Society for the Study and Protection of the Monk Seal, Athens, Greece
| | - Anastasia Komnenou
- School of Veterinary Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Panagiotis Dendrinos
- MOm/Hellenic Society for the Study and Protection of the Monk Seal, Athens, Greece
| | - Konstantinos Kormas
- Department of Ichthyology and Aquatic Environment, University of Thessaly, Volos, Greece
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Reis PCJ, Correa-Garcia S, Tremblay J, Beaulieu-Laliberté A, Muench DG, Ahad JME, Yergeau E, Comte J, Martineau C. Microbial degradation of naphthenic acids using constructed wetland treatment systems: metabolic and genomic insights for improved bioremediation of process-affected water. FEMS Microbiol Ecol 2023; 99:fiad153. [PMID: 38012121 PMCID: PMC10710301 DOI: 10.1093/femsec/fiad153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 10/27/2023] [Accepted: 11/23/2023] [Indexed: 11/29/2023] Open
Abstract
Naphthenic acids (NAs) are a complex mixture of organic compounds released during bitumen extraction from mined oil sands that are important contaminants of oil sands process-affected water (OSPW). NAs can be toxic to aquatic organisms and, therefore, are a main target compound for OSPW. The ability of microorganisms to degrade NAs can be exploited for bioremediation of OSPW using constructed wetland treatment systems (CWTS), which represent a possible low energy and low-cost option for scalable in situ NA removal. Recent advances in genomics and analytical chemistry have provided insights into a better understanding of the metabolic pathways and genes involved in NA degradation. Here, we discuss the ecology of microbial NA degradation with a focus on CWTS and summarize the current knowledge related to the metabolic pathways and genes used by microorganisms to degrade NAs. Evidence to date suggests that NAs are mostly degraded aerobically through ring cleavage via the beta-oxidation pathway, which can be combined with other steps such as aromatization, alpha-oxidation, omega-oxidation, or activation as coenzyme A (CoA) thioesters. Anaerobic NA degradation has also been reported via the production of benzoyl-CoA as an intermediate and/or through the involvement of methanogens or nitrate, sulfate, and iron reducers. Furthermore, we discuss how genomic, statistical, and modeling tools can assist in the development of improved bioremediation practices.
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Affiliation(s)
- Paula C J Reis
- Centre Eau Terre Environnement, Institut national de la recherche scientifique, QC, Canada
| | - Sara Correa-Garcia
- Centre Armand Frappier Santé Biotechnologie, Institut national de la recherche scientifique, Québec city, QC G1K 9A9, Canada
| | - Julien Tremblay
- Centre Armand Frappier Santé Biotechnologie, Institut national de la recherche scientifique, Québec city, QC G1K 9A9, Canada
- Energy, Mining and Environment, National Research Council Canada, Montréal, QC H4P 2R2, Canada
| | - Aurélie Beaulieu-Laliberté
- Centre Eau Terre Environnement, Institut national de la recherche scientifique, QC, Canada
- Groupe de recherche interuniversitaire en limnologie (GRIL), Université de Montréal, Montréal, QC H3C 3J7, Canada
| | - Douglas G Muench
- Department of Biological Sciences, University of Calgary, Calgary, AB T2N 1N4, Canada
| | - Jason M E Ahad
- Geological Survey of Canada, Natural Resources Canada, Québec city, QC G1K 9A9, Canada
| | - Etienne Yergeau
- Energy, Mining and Environment, National Research Council Canada, Montréal, QC H4P 2R2, Canada
| | - Jérôme Comte
- Centre Eau Terre Environnement, Institut national de la recherche scientifique, QC, Canada
- Groupe de recherche interuniversitaire en limnologie (GRIL), Université de Montréal, Montréal, QC H3C 3J7, Canada
| | - Christine Martineau
- Laurentian Forestry Centre, Natural Resources Canada, Québec city, QC G1V 4C7, Canada
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Piano E, Biagioli F, Nicolosi G, Coleine C, Poli A, Prigione V, Zanellati A, Addesso R, Varese GC, Selbmann L, Isaia M. Tourism affects microbial assemblages in show caves. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 871:162106. [PMID: 36764528 DOI: 10.1016/j.scitotenv.2023.162106] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 01/30/2023] [Accepted: 02/04/2023] [Indexed: 06/18/2023]
Abstract
Anthropogenic disturbance on natural ecosystems is growing in frequency and magnitude affecting all ecosystems components. Understanding the response of different types of biocoenosis to human disturbance is urgently needed and it can be achieved by adopting a metacommunity framework. With the aid of advanced molecular techniques, we investigated sediment communities of Fungi, Bacteria and Archaea in four Italian show caves, aiming to disentangle the effects induced by tourism on their diversity and to highlight changes in the driving forces that shape their community composition. We modelled diversity measures against proxies of tourism pressure. With this approach we demonstrate that the cave tourism has a direct effect on the community of Bacteria and an indirect influence on Fungi and Archaea. By analysing the main driving forces influencing the community composition of the three microbial groups, we highlighted that stochastic factors override dispersal-related processes and environmental selection in show caves compared to undisturbed areas. Thanks to this approach, we provide new perspectives on the dynamics of microbial communities under human disturbance suggesting that a proper understanding of the underlying selective mechanisms requires a comprehensive and multi-taxonomic approach.
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Affiliation(s)
- Elena Piano
- Department of Life Sciences and Systems Biology, University of Torino, Via Accademia Albertina 13, 10123 Torino, Italy
| | - Federico Biagioli
- Department of Ecological and Biological Sciences, University of Tuscia, Largo dell'Università, 01100 Viterbo, Italy
| | - Giuseppe Nicolosi
- Department of Life Sciences and Systems Biology, University of Torino, Via Accademia Albertina 13, 10123 Torino, Italy
| | - Claudia Coleine
- Department of Ecological and Biological Sciences, University of Tuscia, Largo dell'Università, 01100 Viterbo, Italy
| | - Anna Poli
- Mycotheca Universitatis Taurinensis, Department of Life Sciences and Systems Biology, University of Torino, Viale Mattioli 25, 10125 Torino, Italy
| | - Valeria Prigione
- Mycotheca Universitatis Taurinensis, Department of Life Sciences and Systems Biology, University of Torino, Viale Mattioli 25, 10125 Torino, Italy
| | - Andrea Zanellati
- Mycotheca Universitatis Taurinensis, Department of Life Sciences and Systems Biology, University of Torino, Viale Mattioli 25, 10125 Torino, Italy
| | - Rosangela Addesso
- Department of Chemistry and Biology "Adolfo Zambelli", University of Salerno, Via Giovanni Paolo II 132, 84084 Fisciano, SA, Italy
| | - Giovanna Cristina Varese
- Mycotheca Universitatis Taurinensis, Department of Life Sciences and Systems Biology, University of Torino, Viale Mattioli 25, 10125 Torino, Italy
| | - Laura Selbmann
- Department of Ecological and Biological Sciences, University of Tuscia, Largo dell'Università, 01100 Viterbo, Italy
| | - Marco Isaia
- Department of Life Sciences and Systems Biology, University of Torino, Via Accademia Albertina 13, 10123 Torino, Italy.
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