A5075769768- Plant Pathogens and Fungal Diseases
- Mycotoxins in Agriculture and Food
- Plant Disease Resistance and Genetics
- Plant-Microbe Interactions and Immunity
- Wheat and Barley Genetics and Pathology
- Mycorrhizal Fungi and Plant Interactions
- Plant Disease Management Techniques
- Plant Pathogens and Resistance
- Fungal Biology and Applications
- Yeasts and Rust Fungi Studies
- Plant Pathogenic Bacteria Studies
- Essential Oils and Antimicrobial Activity
- Plant Virus Research Studies
- Agriculture, Plant Science, Crop Management
- Plant and Fungal Interactions Research
- Powdery Mildew Fungal Diseases
- Phytochemicals and Antioxidant Activities
- Plant Physiology and Cultivation Studies
- Banana Cultivation and Research
- Studies on Chitinases and Chitosanases
- Transgenic Plants and Applications
- Forest Insect Ecology and Management
- Toxin Mechanisms and Immunotoxins
- Plant tissue culture and regeneration
- Fermentation and Sensory Analysis
University of Sassari
2016-2025
Istituto Nazionale Biostrutture e Biosistemi
2007-2010
Centro di Ricerca per la Patologia Vegetale
1991-2006
Research Centre for Cereal and Industrial Crops
2006
Institute of Sciences of Food Production
2006
Marche Polytechnic University
2005
Istituto di Chimica Biomolecolare
2005
University of Turin
2003
Istituto Sperimentale per la Zootecnia
1997
Fusarium species, particularly graminearum and F. culmorum, are the main cause of trichothecene type B contamination in cereals. Data on distribution genotypes cereals Europe scattered time space. Furthermore, a common core set related variables (sampling method, host cultivar, previous crop, etc.) that would allow more effective analysis factors influencing spatial temporal population distribution, is lacking. Consequently, based available data, it difficult to identify chemotype spread at...
Scientific communication is facilitated by a data-driven, scientifically sound taxonomy that considers the end-user's needs and established successful practice. In 2013, Fusarium community voiced near unanimous support for concept of represented clade comprising all agriculturally clinically important species, including F. solani species complex (FSSC). Subsequently, this was challenged in 2015 one research group who proposed dividing genus into seven genera, FSSC described as members...
ABSTRACT A collection of 712 Fusarium graminearum sensu stricto (s.s.) strains, predominantly gathered between 1999 and 2000 from nine states within the United States, was examined for population structure polymerase chain reaction-based trichothecene type. Most strains belonged to a cohesive genetic characterized by 15-acetyldeoxynivalenol (15ADON) However, using Bayesian model-based clustering method, we also identified genetically divergent groups in some sampled locations Minnesota North...
The use of yeast-derived volatile organic compounds (VOCs) represents a promising strategy for the biological control various plant pathogens, including mycotoxin-producing fungi. Previous studies demonstrated efficacy low-fermenting yeast Candida intermedia isolate 253 in reducing growth, sporulation, and ochratoxin A biosynthesis by Aspergillus carbonarius MPVA566. This study aimed to investigate whether inhibitory effect volatilome is solely attributable 2-phenylethanol, its major...
Agricultural diseases are a major threat to sustainable food production. Yet, for many pathogens we know exceptionally little about their epidemiological and population dynamics, this knowledge gap is slowing the development of efficient control strategies. Here study genomics molecular epidemiology wheat powdery mildew, disease caused by biotrophic fungus Blumeria graminis forma specialis tritici (Bgt). We sampled Bgt across two consecutive years, 2022 2023, compiled genomic dataset 415...
We have used a Mediterranean hot spot of biodiversity (the Island Sardinia) to investigate the impact abiotic factors on distribution species common soil fungus Trichoderma. To this end, we isolated 482 strains Hypocrea/Trichoderma from 15 soils comprising undisturbed and disturbed environments (forest, shrub lands or extensively grazed grass steppes respectively). Isolates were identified at level by oligonucleotide BarCode for (TrichOKEY), sequence similarity analysis (Trichoblast)...
Fusarium culmorum is one of the most harmful pathogens durum wheat and causal agent foot root rot (FRR) disease. F. produces mycotoxin deoxynivalenol (DON) that involved in pathogenic process. The role gene FcStuA, a StuA ortholog protein with an APSES domain sharing 98.5% homology to FgStuA (FGSG10129), was determined by functional characterisation deletion mutants obtained from two wild-type strains, FcUk99 (a highly DON producer) Fc233B (unable produce toxin mild behavior). ΔFcStuA...
Abstract Trichoderma genus includes soil-inhabiting fungi that provide important ecosystem services in their interaction with plants and other fungi, as well biocontrol of fungal plant diseases. A collection isolates from Sardinia has been previously characterized, but here we selected 113 isolates, representatives the collection, characterized viral components. We carried out high-throughput sequencing ribosome-depleted total RNA following a bioinformatics pipeline detects virus-derived...
The Mediterranean island of Sardinia is well known for high levels vascular plant diversity and endemism, but little about its microbial diversity. Under the hypothesis that Fusarium species would show similarly diversity, we estimated variability in composition among 10 sites around island. Markers previously adopted multilocus sequence typing (MLST) were used to determine DNA haplotypes 263 isolates. In addition portions translation elongation factor 1-alpha second largest RNA polymerase...
SUMMARY An RNA silencing construct was used to alter mycotoxin production in the plant pathogenic fungus Fusarium culmorum , incitant of crown and foot rot on wheat. The transformation a wild‐type strain its nitrate reductase‐deficient mutant with inverted repeat transgenes (IRTs) containing sequences corresponding trichothecene regulatory gene TRI6 achieved using hygromycin B resistance as selectable marker. Southern analysis revealed variety integration patterns IRT. One transformant...
Fifty-eight fusaria isolated from 50 Italian patients between 2004 and 2007 were subject to multilocus DNA sequence typing characterize the spectrum of species circulating types (STs) associated with dermatological infections, especially onychomycoses paronychia, other fusarioses in northern central Italy. Sequence revealed that isolates nearly evenly divided among Fusarium solani complex (FSSC; n = 18), F. oxysporum (FOSC; 20), Gibberella (Fusarium) fujikuroi (GFSC; 20). The three-locus...
Fusarium culmorum, a fungal pathogen of small grain cereals, produces 4-deoxynivalenol and its acetylated derivatives that may cause toxicoses on humans or animals consuming contaminated food feed. Natural natural-like compounds belonging to phenol hydroxylated biphenyl structural classes were tested in vitro determine their activity vegetative growth trichothecene biosynthesis by F. culmorum. Most the at 1.5 1.0 mM reduced 3-acetyl-4-deoxynivalenol production over 70% compared control,...
Environmental conditions in Sardinia (Tyrrhenian Islands) are conducive to fusarium root rot ( FRR ) and head blight FHB ). A monitoring survey on wheat was carried out from 2001 2013, investigating relations among these diseases their causal agents. more frequently encountered the most recent years while constantly present throughout monitored period. By assessing population composition of agents as well genetic chemotypes EF ‐1α polymorphisms, study examined whether two could be...
The antifungal activity of magnolol and honokiol, two naturally occurring hydroxylated biphenyls, their synthetic derivatives was evaluated on a collection representative isolates Fusarium oxysporum, F. solani verticillioides clinical ecological concern. tested compounds were proposed as 'natural' alternative to conventional fungicides, even though larger range concentrations (5–400 μg/ml) applied. honokiol compared with that terbinafine (0.1–10 μg/ml), fluconazole (1–50 fungicides widely...
Mycotoxins are important contaminants of food and feed. In this study, low fermenting yeast (Lachancea thermotolerans) its derivatives were applied against toxigenic fungi their mycotoxins. A. parasiticus, P. verrucosum F. graminearum mycotoxins exposed to volatile organic compounds (VOCs) cells, respectively. VOCs reduced significantly the fungal growth (up 48%) sporulation mycotoxin synthesis 96%). Very interestingly, it was shown that even 7 colonies Fusarium’s mycotoxin,...