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Mohamed Idbella
Laboratory of Biosciences, Faculty of Sciences and Techniques, Hassan II University, Casablanca 28806, Morocco

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Review
Published: 07 July 2021 in Sustainability
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Both soil and the human gut support vast microbial biodiversity, in which the microbiota plays critical roles in regulating harmful organisms. However, the functional link between microbiota taxonomic compositions and disease suppression has not been explained yet. Here, we provide an overview of pathogen regulation in soil and mammals gut, highlighting the differences and the similarities between the two systems. First, we provide a review of the ecological mechanisms underlying the regulation of soil and pathogens, as well as the link between disease suppression and soil health. Particular emphasis is thus given to clarifying how soil and the gut microbiota are associated with organic amendment and the human diet, respectively. Moreover, we provide several insights into the importance of organic amendment and diet composition in shaping beneficial microbiota as an efficient way to support crop productivity and human health. This review also discusses novel ways to functionally characterize organic amendments and the proper operational combining of such materials with beneficial microbes for stirring suppressive microbiota against pathogens. Furthermore, specific examples are given to describe how agricultural management practices, including the use of antibiotics and fumigants, hinder disease suppression by disrupting microbiota structure, and the potentiality of entire microbiome transplant. We conclude by discussing general strategies to promote soil microbiota biodiversity, the connection with plant yield and health, and their possible integration through a “One Health” framework.

ACS Style

Giuliano Bonanomi; Mohamed Idbella; Ahmed Abd-ElGawad. Microbiota Management for Effective Disease Suppression: A Systematic Comparison between Soil and Mammals Gut. Sustainability 2021, 13, 7608 .

AMA Style

Giuliano Bonanomi, Mohamed Idbella, Ahmed Abd-ElGawad. Microbiota Management for Effective Disease Suppression: A Systematic Comparison between Soil and Mammals Gut. Sustainability. 2021; 13 (14):7608.

Chicago/Turabian Style

Giuliano Bonanomi; Mohamed Idbella; Ahmed Abd-ElGawad. 2021. "Microbiota Management for Effective Disease Suppression: A Systematic Comparison between Soil and Mammals Gut." Sustainability 13, no. 14: 7608.

Journal article
Published: 08 January 2021 in Foods
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The essential oil (EO) from basil—Ocimum basilicum—was characterized, microencapsulated by vibration technology, and used to prepare a new type of packaging system designed to extend the food shelf life. The basil essential oil (BEO) chemical composition and antimicrobial activity were analyzed, as well as the morphological and biological properties of the derived BEO microcapsules (BEOMC). Analysis of BEO by gas chromatography demonstrated that the main component was linalool, whereas the study of its antimicrobial activity showed a significant inhibitory effect against all the microorganisms tested, mostly Gram-positive bacteria. Moreover, the prepared BEOMC showed a spheroidal shape and retained the EO antimicrobial activity. Finally, chitosan-based edible films were produced, grafted with BEOMC, and characterized for their physicochemical and biological properties. Since their effective antimicrobial activity was demonstrated, these films were tested as packaging system by wrapping cooked ham samples during 10 days of storage, with the aim of their possible use to extend the shelf life of the product. It was demonstrated that the obtained active film can both control the bacterial growth of the cooked ham and markedly inhibit the pH increase of the packaged food.

ACS Style

Ghita Amor; Mohammed Sabbah; Lucia Caputo; Mohamed Idbella; Vincenzo De Feo; Raffaele Porta; Taoufiq Fechtali; Gianluigi Mauriello. Basil Essential Oil: Composition, Antimicrobial Properties, and Microencapsulation to Produce Active Chitosan Films for Food Packaging. Foods 2021, 10, 121 .

AMA Style

Ghita Amor, Mohammed Sabbah, Lucia Caputo, Mohamed Idbella, Vincenzo De Feo, Raffaele Porta, Taoufiq Fechtali, Gianluigi Mauriello. Basil Essential Oil: Composition, Antimicrobial Properties, and Microencapsulation to Produce Active Chitosan Films for Food Packaging. Foods. 2021; 10 (1):121.

Chicago/Turabian Style

Ghita Amor; Mohammed Sabbah; Lucia Caputo; Mohamed Idbella; Vincenzo De Feo; Raffaele Porta; Taoufiq Fechtali; Gianluigi Mauriello. 2021. "Basil Essential Oil: Composition, Antimicrobial Properties, and Microencapsulation to Produce Active Chitosan Films for Food Packaging." Foods 10, no. 1: 121.

Original article
Published: 13 November 2020 in Mycorrhiza
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Interactions between plants and soil affect plant-plant interactions and community composition by modifying soils conditions in plant-soil feedback, where associated microbes have the most crucial role. Both arbuscular mycorrhizal fungi (AMF) and microbial seed endophytes have been demonstrated to influence, directly or indirectly, biotic or abiotic soil properties, thus affecting subsequent plant growth, and community structure. However, little is known about how plant endophyte communities, individually or in interaction with AMF, affect plant-soil feedback processes. Here, we investigated, through a manipulative experiment, the behavior of endophyte-free and endophyte-associated Trifolium repens plants grown in soils previously conditioned by conspecific endophyte-free and endophyte-associated plants, inoculated or not by Rhizophagus intraradices. Furthermore, we identified microbial endophytes directly from the inner tissues of seeds by high-throughput sequencing, to compare seed fungal and bacterial endophyte composition. Results demonstrated that the outcome of simultaneous occurrence of seed endophytes and AMF on plant behavior depended on matching the endophytic status, i.e., either the presence or absence of seed microbial endophytes, of the conditioning and response phase. Seed fungal endophytes generated strong conspecific negative feedback, while seed bacterial endophytes proved to shift the feedback from negative to positive. Moreover, the simultaneous occurrence of both seed endophytes with AMF could either generate or expand negative plant-soil feedback effects. Our results show that seed and root symbionts can play a significant role on setting conspecific plant-soil feedback.

ACS Style

Mohamed Idbella; Giuliano Bonanomi; Francesca De Filippis; Ghita Amor; Fatima Ezzahra Chouyia; Taoufiq Fechtali; Stefano Mazzoleni. Contrasting effects of Rhizophagus irregularis versus bacterial and fungal seed endophytes on Trifolium repens plant-soil feedback. Mycorrhiza 2020, 31, 103 -115.

AMA Style

Mohamed Idbella, Giuliano Bonanomi, Francesca De Filippis, Ghita Amor, Fatima Ezzahra Chouyia, Taoufiq Fechtali, Stefano Mazzoleni. Contrasting effects of Rhizophagus irregularis versus bacterial and fungal seed endophytes on Trifolium repens plant-soil feedback. Mycorrhiza. 2020; 31 (1):103-115.

Chicago/Turabian Style

Mohamed Idbella; Giuliano Bonanomi; Francesca De Filippis; Ghita Amor; Fatima Ezzahra Chouyia; Taoufiq Fechtali; Stefano Mazzoleni. 2020. "Contrasting effects of Rhizophagus irregularis versus bacterial and fungal seed endophytes on Trifolium repens plant-soil feedback." Mycorrhiza 31, no. 1: 103-115.

Research article
Published: 09 April 2020 in PLOS ONE
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Organic Amendments (OAs) has been used in agroecosystems to promote plant growth and control diseases caused by soilborne pathogens. However, the role of OAs chemistry and decomposition time on plant growth promotion and disease suppression is still poorly explored. In this work, we studied the effect of 14 OAs at four decomposition ages (3, 30, 100, and 300 days) on the plant—pathogen system Lactuca sativa–Rhizoctonia solani. OAs chemistry was characterized via 13C-CPMAS NMR spectroscopy as well as for standard chemical (i.e. N content, pH, EC) and biological parameters (i.e. phytotoxicity and R. solani proliferation bioassay). OAs have shown variable effects, ranging from inhibition to stimulation of Lactuca sativa and Lepidium sativum growth. We recorded that N rich OAs with high decomposability were conducive in the short-term, while converting suppressive in the long term (300 days). On the other hand, cellulose-rich OAs with high C/N ratio impaired L. sativa growth but were more consistent in providing protection from damping-off, although this property has significantly shifted during decomposition time. These results, for the first time, highlight a consistent trade-off between plant growth promotion and disease control capability of OAs. Finally, we found that OAs effects on growth promotion and disease protection can be hardly predictable based on the chemical characteristic, although N content and some 13C CPMAS NMR regions (alkyl C, methoxyl C, and carbonyl C) showed some significant correlations. Therefore, further investigations are needed to identify the mechanism(s) behind the observed suppressive and conducive effects and to identify OAs types and application timing that optimize plant productivity and disease suppression in different agro-ecosystems.

ACS Style

Giuliano Bonanomi; Maurizio Zotti; Mohamed Idbella; Nice Di Silverio; Linda Carrino; Gaspare Cesarano; Abdulaziz M. Assaeed; Ahmed M. Abd-ElGawad. Decomposition and organic amendments chemistry explain contrasting effects on plant growth promotion and suppression of Rhizoctonia solani damping off. PLOS ONE 2020, 15, e0230925 .

AMA Style

Giuliano Bonanomi, Maurizio Zotti, Mohamed Idbella, Nice Di Silverio, Linda Carrino, Gaspare Cesarano, Abdulaziz M. Assaeed, Ahmed M. Abd-ElGawad. Decomposition and organic amendments chemistry explain contrasting effects on plant growth promotion and suppression of Rhizoctonia solani damping off. PLOS ONE. 2020; 15 (4):e0230925.

Chicago/Turabian Style

Giuliano Bonanomi; Maurizio Zotti; Mohamed Idbella; Nice Di Silverio; Linda Carrino; Gaspare Cesarano; Abdulaziz M. Assaeed; Ahmed M. Abd-ElGawad. 2020. "Decomposition and organic amendments chemistry explain contrasting effects on plant growth promotion and suppression of Rhizoctonia solani damping off." PLOS ONE 15, no. 4: e0230925.

Journal article
Published: 12 March 2020 in Sensors
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The use of wireless technologies in the field of agriculture, or so-called smart or precision agriculture, is considered as one of the main efforts applied nowadays to multiply the food production on earth. However, wireless sensor network (WSN) technology is still at its early development stage and its application in agriculture and food industry is still rare due to the lack of farmers’ awareness and outreach about the matter. This paper presents a new agro-sensor named AgriLogger with an aim to collect, store for long periods and transmit agrometeorological data represented by temperature and relative humidity in remote areas hard to reach and not served by telecommunication networks. The sensor exhibits long battery life, in the order of 10 years, thanks to low consumption technologies and to hardware sleep/wake up approach. It can be remotely placed on preselected sites through a customized drone. This latter, equipped with a dedicated payload, can then return on the sites where sensors have been placed, and, while hovering, wakes up the single devices and uploads their collected data through local wireless network. Field tests have demonstrated that the sensor, after being placed manually in two different positions, inside and outside a vineyard canopy, is able to collect and store successfully agrometeorological data like temperature and relative humidity. Moreover, the use of a drone potentially allows the collection of data from remote areas and, therefore, is able to provide a periodical monitoring of agro-ecological conditions.

ACS Style

Mohamed Idbella; Mariano Iadaresta; Graziano Gagliarde; Alberto Mennella; Stefano Mazzoleni; Giuliano Bonanomi. AgriLogger: A New Wireless Sensor for Monitoring Agrometeorological Data in Areas Lacking Communication Networks. Sensors 2020, 20, 1589 .

AMA Style

Mohamed Idbella, Mariano Iadaresta, Graziano Gagliarde, Alberto Mennella, Stefano Mazzoleni, Giuliano Bonanomi. AgriLogger: A New Wireless Sensor for Monitoring Agrometeorological Data in Areas Lacking Communication Networks. Sensors. 2020; 20 (6):1589.

Chicago/Turabian Style

Mohamed Idbella; Mariano Iadaresta; Graziano Gagliarde; Alberto Mennella; Stefano Mazzoleni; Giuliano Bonanomi. 2020. "AgriLogger: A New Wireless Sensor for Monitoring Agrometeorological Data in Areas Lacking Communication Networks." Sensors 20, no. 6: 1589.

Journal article
Published: 01 August 2019 in Community Ecology
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Plant litter decomposition is a crucial process of nutrient cycling within ecosystems. However, many studies have shown that, apart from its several beneficial effects, organic matter decomposition can be disadvantageous to seed germination, seedling growth, and physiological activity of plants. Litter decomposition was reported to affect both plants and their associated soil microbial communities. The aim of this work was to test the relationships between seed-associated endophytic fungi on the either positive or negative plant's response to different litter types. Leaf material of four species was collected and used in a decomposition experiment inside a growth chamber for 120 days. The plant growth experiment was set in a greenhouse using Trifolium repens and Triticum durum with and without their associated endophytic fungi in the presence of the different litter species at two decay levels (fresh litter and after 120 days of decomposition). Results demonstrated that fresh litter exerted a strong inhibition effect on the plant total biomass when compared to decomposed litter. Moreover, seed-associated endophytic fungi enhanced the inhibitory effect of litter in the observed experimental conditions. The removal of seed-associated endophytic fungi improved the capacity of tested plants to resist to litter inhibitory effect.

ACS Style

M. Idbella; M. Zotti; G. Cesarano; T. Fechtali; S. Mazzoleni; G. Bonanomi. Fungal endophytes affect plant response to leaf litter with contrasting chemical traits. Community Ecology 2019, 20, 205 -213.

AMA Style

M. Idbella, M. Zotti, G. Cesarano, T. Fechtali, S. Mazzoleni, G. Bonanomi. Fungal endophytes affect plant response to leaf litter with contrasting chemical traits. Community Ecology. 2019; 20 (2):205-213.

Chicago/Turabian Style

M. Idbella; M. Zotti; G. Cesarano; T. Fechtali; S. Mazzoleni; G. Bonanomi. 2019. "Fungal endophytes affect plant response to leaf litter with contrasting chemical traits." Community Ecology 20, no. 2: 205-213.