Evidence of Biocontrol Activity of Bioinoculants Against a Human Pathogen, Listeria monocytogenes

Sharma, Richa; Gal, Laurent; Garmyn, Dominique; Bisaria, Virendra S.; Sharma, Shilpi; Piveteau, Pascal

doi:10.3389/fmicb.2020.00350

Cited by 13 publications

(12 citation statements)

References 76 publications

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“…The results found in the coriander plants suggest that there was not a high risk of use of these inocula, as long as there is a microbiological selection process. Some studies suggest that the use of sludge did not show a negative impact on the yield quality or soil quality [ 43 , 44 ]. However, it is necessary to contemplate the evaluation of the stability of this inoculum in the soil.…”

Section: Discussionmentioning

confidence: 99%

High Resistance of a Sludge Enriched with Nitrogen-Fixing Bacteria to Ammonium Salts and Its Potential as a Biofertilizer

2021

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The increasing use of chemical fertilizers causes the loss of natural biological nitrogen fixation in soils, water eutrophication and emits more than 300 Mton CO2 per year. It also limits the success of external bacterial inoculation in the soil. Nitrogen fixing bacteria can be inhibited by the presence of ammonia as its presence can inhibit biological nitrogen fixation. Two aerobic sludges from wastewater treatment plants (WWTP) were exposed to high ammonium salts concentrations (>450 mg L−1 and >2 dS m−1). Microbial analysis after treatment through 16S pyrosequencing showed the presence of Fluviicola sp. (17.70%), a genus of the Clostridiaceae family (11.17%), and Azospirillum sp. (10.42%), which were present at the beginning with lower abundance. Denaturing gradient gel electrophoresis (DGGE) analysis based on nifH genes did not show changes in the nitrogen-fixing population. Nitrogen-Fixing Bacteria (NFB) were identified and associated with other microorganisms involved in the nitrogen cycle, presumably for survival at extreme conditions. The potential use of aerobic sludges enriched with NFB is proposed as an alternative to chemical fertilizer as this bacteria could supplement nitrogen to the plant showing competitive results with chemical fertilization.

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Section: Discussionmentioning

confidence: 99%

High Resistance of a Sludge Enriched with Nitrogen-Fixing Bacteria to Ammonium Salts and Its Potential as a Biofertilizer

2021

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“…Experiments in our lab suggest Lm can reach populations of 10 6 –10 7 CFU/plant following root inoculation of F . arundinacea and C. cajan (Marinho et al, 2020; Sharma et al, 2020) and confocal microscopy observations confirmed that Lm can establish as biofilms (L. Gal et al, personal communication).…”

Section: Plants Offer Suitable Habitats For the Persistence Of Lister...mentioning

confidence: 94%

“…Nonedible plants can be colonized by Lm. For example, Arabidopsis thaliana (Milillo et al, 2008), Festuca arundinacea (Marinho et al, 2020), Cajanus cajan (Sharma et al, 2020), and Medicago truncatula (Figure 2a) can support Lm growth. Experiments in our lab suggest Lm can reach populations of 10 6 –10 7 CFU/plant following root inoculation of F .…”

Section: Plants Offer Suitable Habitats For the Persistence Of Lister...mentioning

confidence: 99%

“… a Data on the ability of Lm to colonize plants under laboratory conditions is available with the following plant species: parsley ( Petroselinum crispum ) (Bardsley et al, 2019; Kljujev et al, 2018), lettuce ( Lactuca sativa ) (Chitarra, Decastelli, et al, 2014; Honjoh et al, 2018; Jablasone et al, 2005; Kljujev et al, 2018; Shenoy et al, 2017; Standing et al, 2013), corn salad ( Vallerianella locusta ) (Chitarra, Decastelli, et al, 2014; Hofmann et al, 2014), spinach ( Spinacia oleracea ) (Hofmann et al, 2014; Jablasone et al, 2005; Kljujev et al, 2018), mustard spinach ( Brassica rapa ) (Koseki, Mizuno, Yamamoto, 2011), cultivated rocket ( Eruca sativa ) (Chitarra, Decastelli, et al, 2014; Settanni et al, 2012), wild rocket ( Diplotaxis tenuifolia ) (Chitarra, Decastelli, et al, 2014), cress ( Lepidium sativum ) (Jablasone et al, 2005), carrot ( Daucus carota ) (Kljujev et al, 2018), radish ( Raphanus raphanistrum ) (Jablasone et al, 2005), sweet pepper ( Capsicum annuum ) (Füstös et al, 2017), basil ( Ocimum basilicum ) (Bardsley et al, 2019; Chitarra, Decastelli, et al, 2014; Settanni et al, 2012), cilantro ( Coriandrum sativum ), dill ( Anethum graveolens ) (Bardsley et al, 2019), tomato ( Solanum lycopersicum ) (Honjoh et al, 2016), cantaloupe ( Cucumis melo ) (Nyarko et al, 2016), peach ( Prunus persica ), plum ( Prunus domestica ) (Collignon & Korsten, 2010), sweet corn ( Zea mays ) (Kljujev et al, 2018), alfalfa sprouts ( Medicago sativa ) (Adhikari et al, 2019), pigeon pea ( Cajanus cajan ) (Sharma et al, 2020), Arabidopsis ( Arabidopsis thaliana ) (Milillo et al, 2008), and Fescue grass ( Festuca arundinacea ) (Marinho et al, 2020; Sharma et al, 2020). The table presents major findings only when more than one paper is available for a given plant species.…”

Section: Plants Offer Suitable Habitats For the Persistence Of Lister...mentioning

confidence: 99%

“…Similar trends are expected in the rhizosphere as in unplanted soil. For example, specific strains of Azotobacter chroococcum , Bacillus megaterium , and Pseudomonas fluorescens can control Lm in the rhizosphere possibly through a combination of competition and antibiosis (Sharma et al, 2020). In conclusion, the plant microbiome is the major factor limiting Lm niche breadth.…”

Section: Mechanisms Underlying Lm Growth Persistence and Survival On ...mentioning

confidence: 99%

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Plants as a realized niche for Listeria monocytogenes

et al. 2021

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Listeria monocytogenes is a human pathogen. It is the causative agent of listeriosis, the leading cause of bacterial-linked foodborne mortality in Europe and elsewhere. Outbreaks of listeriosis have been associated with the consumption of fresh produce including vegetables and fruits. In this review we summarize current data providing direct or indirect evidence that plants can serve as habitat for L. monocytogenes, enabling this human pathogen to survive and grow. The current knowledge of the mechanisms involved in the interaction of this bacterium with plants is addressed, and whether this foodborne pathogen elicits an immune response in plants is discussed.

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Plant Growth Promoting Bacterial Consortium Induces Shifts in Indigenous Soil Bacterial Communities and Controls Listeria monocytogenes in Rhizospheres of Cajanus cajan and Festuca arundinacea

et al. 2021

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Evidence of Biocontrol Activity of Bioinoculants Against a Human Pathogen, Listeria monocytogenes

Cited by 13 publications

References 76 publications

High Resistance of a Sludge Enriched with Nitrogen-Fixing Bacteria to Ammonium Salts and Its Potential as a Biofertilizer

High Resistance of a Sludge Enriched with Nitrogen-Fixing Bacteria to Ammonium Salts and Its Potential as a Biofertilizer

Plants as a realized niche for Listeria monocytogenes

Plant Growth Promoting Bacterial Consortium Induces Shifts in Indigenous Soil Bacterial Communities and Controls Listeria monocytogenes in Rhizospheres of Cajanus cajan and Festuca arundinacea

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