Paolo Bonini

Paolo Bonini
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51
Publications
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Publications

Publications (51)
Article
Unidentified peaks remain a major problem in untargeted metabolomics by LC-MS/MS. Confidence in peak annotations increases by combining MS/MS matching and retention time. We here show how retention times can be predicted from molecular structures. Two large, publicly available datasets were used for model training in machine learning: the Fiehn hyd...
Article
Seed inoculation with beneficial microorganisms has gained importance as it has been proven to show biostimulant activity in plants, especially in terms of abiotic/biotic stress tolerance and plant growth promotion, representing a sustainable way to ensure yield stability under low input sustainable agriculture. Nevertheless, limited knowledge is a...
Article
I risultati delle prove sperimentali riportati in questo articolo evidenziano come i trattamenti al seme delle orticole con sostanze e microrganismi ad azione biostimolante siano efficaci nel migliorare la germinabilità, l’uniformità di germinazione e il vigore delle piante, a tutto vantaggio di resa e qualità del prodotto finale
Article
Full-text available
In this work, the impact of terroir, cultivar, seasonality, and farming systems on functional traits of tomato was hierarchically investigated. Untargeted metabolomics, antioxidant capacity, colorimetric assays and enzyme inhibition were determined. The total phenolic and carotenoid contents significantly varied between growing years, whereas an in...
Article
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Bioactive compounds produced by plant growth-promoting bacteria through a fermentation process can be valuable for developing innovative second-generation plant biostimulants. The purpose of this study is to investigate the biotechnological potential of Enterobacter on the production of auxin—a hormone with multiple roles in plant growth and develo...
Article
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In this study, an untargeted metabolomics approach based on ultra-high-performance liquid chromatography coupled with high-resolution mass spectrometry (UHPLC-HRMS) was used for investigating changes in chemical profiles of cow milk considering diets based on mycotox-ins-contaminated corn silages. For this purpose, 45 milk samples were classified i...
Article
Full-text available
Salinity in water and soil is one of the major environmental factors limiting the productivity of agronomic and horticultural crops. In basil (Ocimum basilicum L., Lamiaceae) and other Ocimum species, information on the plant response to mild salinity levels, often induced by the irrigation or fertigation systems, is scarce. In the present work, we...
Article
Full-text available
Natural biostimulants are one of the most promising and eco-sustainable technologies, which can improve the qualitative and productive attributes of horticultural crops. The positive effects of their application derive from their “signaling role” as elicitors of auxin- and gibberellin-like activity, thus constituting a valid alternative to syntheti...
Article
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Sweet cherry is a high value crop and the economic success of its cultivation depends not only on yield but also on fruit visual and nutritional quality attributes that influence consumer acceptability, as well as on fruit post-harvest performance and resistance to cracking. During the last few decades, cherry growers have tried to achieve these go...
Article
Nel nuovo Regolamento euro-peo sui fertilizzanti approva-to il 27 marzo 2019 dal Parla-mento europeo i «biostimo-lanti delle piante» sono definiti come qualunque prodotto che stimola i pro-cessi nutrizionali delle piante indipen-dentemente dal suo tenore di nutrienti, con l'unica finalità di migliorare una o più delle seguenti caratteristiche del-l...
Article
Full-text available
Microbial-based biostimulants can improve crop productivity by modulating cell metabolic pathways including hormonal balance. However, little is known about the microbial-mediated molecular changes causing yield increase. The present study elucidates the metabolomic modulation occurring in pepper (Capsicum annuum L.) leaves at the vegetative and re...
Article
Full-text available
We present Mass Spectrometry-Data Independent Analysis software version 4 (MS-DIAL 4), a comprehensive lipidome atlas with retention time, collision cross-section and tandem mass spectrometry information. We formulated mass spectral fragmentations of lipids across 117 lipid subclasses and included ion mobility tandem mass spectrometry. Using human,...
Article
Full-text available
Plant biostimulants, including microbial and non-microbial based products, have been successfully used to improve agriculture productivity due to their ability to stimulate nutrient uptake, plant growth and to improve tolerance to abiotic stresses. An open field experiment was carried out on processing tomato (Solanum lycopersicum L.) with the aim...
Article
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The species Pantoea agglomerans includes strains that are agronomically relevant for their growth-promoting or biocontrol traits. Molecular analysis demonstrated that the IPDC pathway involved in the conversion of tryptophan (Trp) to indole-3-acetic acid (IAA) is highly conserved among P. agglomerans strains at both gene and protein levels. Results...
Article
Full-text available
The species Pantoea agglomerans includes strains that are agronomically relevant for their growth-promoting or biocontrol traits. Molecular analysis demonstrated that the IPDC pathway involved in the conversion of tryptophan (Trp) to indole-3-acetic acid (IAA) is highly conserved among P. agglomerans strains at both gene and protein levels. Results...
Article
Full-text available
A greenhouse experiment was established with loquat plants to investigate the role of arbuscular mycorrhizal fungi (AMF) in the control of the white root rot fungus Armillaria mellea and to determine the changes produced in the plant metabolome. Plants inoculated with two AMF, Rhizoglomus irregulare and a native AMF isolate from loquat soils, were...
Preprint
Full-text available
Microbial-based biostimulants can improve crop productivity by modulating cell metabolic pathways including hormonal bal-ance. However, little is known about the microbial-mediated molecular changes causing yield increase. The present studyelucidates the metabolomic modulation occurring in pepper (Capsicum annuum L.) leaves at the vegetative and re...
Article
Full-text available
Microbial and non-microbial plant biostimulants have been successfully used to improve agriculture productivity in a more sustainable manner. Since the mode of action of biostimulants is still largely unknown, the present work aimed at elucidating the morpho-physiological and metabolomic changes occurring in maize (Zea mays L.) leaves and roots fol...
Preprint
Full-text available
To the Editor We formulated mass spectral fragmentations of lipids across 117 lipid subclasses and included ion mobility tandem mass spectrometry (MS/MS) to provide a comprehensive lipidome atlas with retention time, collision cross section, and MS/MS information. The all-in-one solution from import of raw MS data to export of a common output forma...
Article
L' orticoltura è il principale comparto agricolo in cui l'elevata reddittività delle colture induce a utilizzare i biostimolanti per migliorare la pro-duttività, la sostenibilità dei processi produttivi e la qualità del prodotto. Nelle produzioni orticole sia, in pieno campo sia in coltura protetta, l'apporto dei biostimolanti è finalizzato al ragg...
Article
Modulation of the water availability for the plants can be a sustainable option to reduce agricultural water demand and stimulate the synthesis and accumulation of secondary metabolites. However, information on the reduction of water availability while maintaining yield and functional quality are scarce and fragmentary. Accordingly , this research...
Article
Full-text available
Scientific investigations are being increasingly devoted to biostimulant effects on vegetable yield and quality, with the perspective of sustainable crop management. Two farming systems (conventional or organic) in factorial combination with two biostimulant treatments (tropical plant extract (PE); legume-derived protein hydrolysate (PH)) plus a no...
Article
The emerging role of plant biostimulants in enhancing nutrient efficiency is important for maintaining soil fertility under sub-optimal nutrient regimens. We aimed to elucidate the morpho-physiological and biochemical effects as well as mineral composition changes of greenhouse jute (Corchorus olitorius L.) treated with a commercial vegetal-derived...
Article
Plant-derived protein hydrolysates (PHs) are an important category of biostimulants able to increase plant growth and crop yield especially under environmental stress conditions. PHs can be applied as foliar spray or soil drench. Foliar spray is generally applied to achieve a relatively short-term response, whereas soil drench is used when a long-t...
Article
Full-text available
Designing and developing new biostimulants is a crucial process which requires an accurate testing of the product effects on the morpho-physiological traits of plants and a deep understanding of the mechanism of action of selected products. Product screening approaches using omics technologies have been found to be more efficient and cost effective...
Article
Full-text available
The implementation of sustainable agriculture encompasses practices enhancing the activity of beneficial soil microorganisms, able to modulate biogeochemical soil cycles and to affect soil fertility. Among them, arbuscular mycorrhizal fungi (AMF) establish symbioses with the roots of most food crops and play a key role in nutrient uptake and plant...
Article
Full-text available
Root exudation patterns are linked to, among other things, plant growth, plant-microbe interaction and the priming effect. In this work, two complementary metabolomic approaches (both liquid and gas chromatography coupled to mass spectrometry) were applied to investigate the modulation of root exudation imposed by two beneficial fungi (substrate tr...
Article
Full-text available
Plant-derived protein hydrolysates (PHs) have received increased attention in the last decade because of their potential to improve yield, nutritional quality as well as tolerance to abiotic stressors. The current study investigated the effects and the molecular mechanisms of a legume-derived PH under optimal and sub-optimal nitrogen (N) concentrat...
Article
Full-text available
Plant biostimulants (PBs) such as protein hydrolysates and seaweed extracts are attracting the increasing interest of scientists and vegetable growers for their potential toenhance yield and nutritional quality. The current study assessed crop productivity, leaf colorimetry, mineral profile and bioactive compounds of greenhouse spinach in response...
Article
Full-text available
Plant biostimulants are receiving great interest for boosting root growth during the first phenological stages of vegetable crops. The present study aimed at elucidating the morphological, physiological, and metabolomic changes occurring in greenhouse melon treated with the biopolymer-based biostimulant Quik-link, containing lateral root promoting...
Data
Hotelling’s T2 investigation on outliers as carried out in UHPLC/QTOF-MS metabolomic investigations on root and leaf metabolic profile following root application of the biopolymer-based biostimulant.
Data
Visual representation of the VIP-selected discriminating compounds from the OPLS-DA modeling on roots (A) and leaves (B) metabolic profile, following root application of the biopolymer-based biostimulant.
Data
Whole dataset gained from UHPLC/QTOF-MS metabolomic investigations on melon metabolic profile following root application of the biopolymer-based biostimulant. Compounds abundance, together with retention time and composite spectra (mass-abundance pairwise) are provided.
Data
VIP-selected discriminating compounds from OPLS-DA modeling on root and leaf metabolic profile, following root application of the biopolymer-based biostimulant.
Article
Full-text available
Plant-derived protein hydrolysates (PHs) have gained prominence as plant biostimulants because of their potential to increase the germination, productivity and quality of a wide range of horticultural and agronomic crops. Application of PHs can also alleviate the negative effects of abiotic plant stress due to salinity, drought and heavy metals. Re...
Article
Full-text available
The current research aimed 1) at evaluating the effects of three biostimulants (legume-derived protein hydrolysate, PH; plant and seaweed extract, PE and SWE) on yield performance and nutritional quality, mineral profiling, antioxidant activities, lycopene, total phenols and ascorbic acid of greenhouse tomato (Solanum lycopersicum L.) under soil cu...
Article
Full-text available
In the coming years, farmers will have to deal with growing crops under suboptimal conditions dictated by global climate changes. The application of plant biostimulants such as beneficial microorganisms and plant-derived protein hydrolysates (PHs) may represent an interesting approach for increasing crop tolerance to alkalinity and salinity. The cu...
Article
Full-text available
The aim of this study was to assess whether seed coating with microbial consortium based on the arbuscular mycorrhizal (AM) fungus Glomus intraradices BEG72, Glomus mossae and Trichoderma atroviride MUCL 45632 could improve seedling establishment, yield and grain quality (protein content and mineral composition) of wheat (Triticum durum Desf.). As...

Projects

Projects (2)
Project
The project is a collaborative effort to characterise microbial communities across different agricultural environments. We investigate the influence of our microbial inoculants on the soil microbiome of tomato, grapevine, peach and pepper plants. We aim to shed light on the metabolomic response of the plants derived by the application of mycorrhiza, Trichoderma and PGPR. By integrating metabolomic and microbiome analysis, the information from this coordinated effort could help provide missing links between soil taxonomic and functional diversity on plant health and productivity. NGALAB has received support from the CDTI (Centro para el Desarrollo Tecnológico Industrial) and ERDF (European Regional Development Fund) (Grant IDI-20170913)
Project
In the Agro-Industrial sector, quality control of microbial-based products is performed by using culture-dependent methods. These methods are labour-intensive, time-consuming, expensive and requires highly trained persons. Moreover, the accuracy and reproducibility of these methods is often compromised by the intrinsic nature of the techniques and by the interpretation of the results, which often overestimate the concentration of viable microorganisms. The development of new molecular tools to ensure quality of microbials based product is our goal.