Massimiliano Morelli

ORCID: 0000-0002-9980-1283
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About
Contact & Profiles
Research Areas
  • Phytoplasmas and Hemiptera pathogens
  • Cocoa and Sweet Potato Agronomy
  • Plant Virus Research Studies
  • Plant and Fungal Interactions Research
  • Plant Pathogens and Fungal Diseases
  • Pineapple and bromelain studies
  • Insect-Plant Interactions and Control
  • Garlic and Onion Studies
  • Plant Pathogenic Bacteria Studies
  • Insect symbiosis and bacterial influences
  • Mycorrhizal Fungi and Plant Interactions
  • Plant Disease Resistance and Genetics
  • Horticultural and Viticultural Research
  • Plant-Microbe Interactions and Immunity
  • Fermentation and Sensory Analysis
  • Nematode management and characterization studies
  • Research on scale insects
  • Rural Development and Agriculture
  • Animal Disease Management and Epidemiology
  • Leaf Properties and Growth Measurement
  • Viral Infections and Outbreaks Research
  • Date Palm Research Studies
  • Insect behavior and control techniques
  • Plant Pathogens and Resistance
  • Genomics and Phylogenetic Studies

Institute for Sustainable Plant Protection
2016-2025

Alliant International University
2019

National Research Council
2019

Istituto Nazionale di Fisica Nucleare, Sezione di Bari
2016

University of Bari Aldo Moro
2011

In autumn 2013, the presence of Xylella fastidiosa, a xylem-limited Gram-negative bacterium, was detected in olive stands an area Ionian coast Salento peninsula (Apulia, southern Italy), that were severely affected by disease denoted quick decline syndrome (OQDS). Studies carried out for determining involvement this bacterium genesis OQDS and leaf scorching shown number naturally infected plants other than olive. Isolation axenic culture attempted assays its pathogenicity to olive, oleander...

10.1038/s41598-017-17957-z article EN cc-by Scientific Reports 2017-12-12

The recent Xylella fastidiosa subsp. pauca (Xfp) outbreak in olive (Olea europaea) groves southern Italy is causing a destructive disease denoted Olive Quick Decline Syndrome (OQDS). Field observations disclosed that Xfp-infected plants of cv. Leccino show much milder symptoms, than the more widely grown and highly susceptible Ogliarola salentina. To determine whether these field underlie tolerant condition Leccino, which could be exploited for lessening economic impact on local industry,...

10.1186/s12864-016-2833-9 article EN cc-by BMC Genomics 2016-06-27

The role of Grapevine Pinot gris virus (GPGV) in the etiology grapevine leaf mottling and deformation was investigated by biological molecular assays. A survey on different cultivars from Trentino Region Italy showed a widespread distribution GPGV, which associated with symptomatic (79%) but also symptomless (21%) vines. Symptomatic GPGV-infected ‘Pinot gris’ vines induced symptoms grafted healthy or ‘Traminer’, whereas did not. High-throughput sequencing small RNA (sRNA) populations two...

10.1094/phyto-09-14-0241-r article EN other-oa Phytopathology 2014-11-25

The fungi Aspergillus niger and A. welwitschiae are morphologically indistinguishable species used for industrial fermentation food beverage production. also occur widely on crops. Concerns about their safety have arisen with the discovery that some isolates of both produce fumonisin (FB) ochratoxin A (OTA) mycotoxins. Here, we examined FB OTA production as well presence genes responsible synthesis mycotoxins in a collection 92 niger/A. from multiple crop geographic origins. results indicate...

10.3389/fmicb.2016.01412 article EN cc-by Frontiers in Microbiology 2016-09-09

Following a request from the European Commission, EFSA was asked to create and regularly update database of host plant species Xylella spp. The mandate now covers period 2021–2026 is requested release an twice per year. aim provide information scientific support risk assessors, managers researchers dealing with This report related fifth version published in Zenodo Knowledge Junction community, covering literature 1 January 2021 up 30 June 2021, recent Europhyt outbreak notifications....

10.2903/j.efsa.2022.7039 article EN EFSA Journal 2022-01-01

The dynamics of Xylella fastidiosa infections in the context endophytic microbiome was studied field-grown plants susceptible and resistant olive cultivars Kalamata FS17. Whole metagenome shotgun sequencing (WMSS) coupled with 16S/ITS rRNA gene carried out on same trees at two different stages infections: In Spring 2017 when were almost symptomless Autumn 2018 cultivar clearly showed desiccations. progression detected both unraveled that tends to occupy whole ecological niche suppresses...

10.3390/pathogens9090723 article EN cc-by Pathogens 2020-09-02

Olive quick decline syndrome (OQDS) is a devastating disease of olive trees in the Salento region, Italy. This caused by bacterium Xylella fastidiosa, which widespread outbreak area; however, “Leccino” variety olives has proven to be resistant with fewer symptoms and lower bacterial populations than “Ogliarola salentina” variety. We completed an empirical study determine mineral trace element contents (viz; ionome) leaves from infected comparing two varieties, develop hypotheses related...

10.3390/pathogens8040272 article EN cc-by Pathogens 2019-11-28

The root-endophytic fungus Piriformospora indica (=Serendipita indica) has been revealed for its growth-promoting effects and capacity to induce resistance in a broad spectrum of host plants. However, the bioefficacy this had not yet tested against any pathogen affecting onion (Allium cepa). In study, biocontrol potency P. leaf blight, an impacting disease caused by necrotrophic fungal Stemphylium vesicarium, was evaluated. First, it proved that colonisation roots beneficial plant growth, as...

10.3390/pathogens10091085 article EN cc-by Pathogens 2021-08-26

Following a request from the European Commission, EFSA was asked to create and regularly update database of host plant species

10.2903/j.efsa.2021.6674 article EN EFSA Journal 2021-06-01

Xylella fastidiosa subsp. pauca strain De Donno has been recently identified as the causal agent of a severe disease affecting olive trees in wide area Apulia Region (Italy). While insights on genetics and epidemiology this virulent have gained, its phenotypic biological traits remained to be explored. We investigated vitro behavior compare relevant features (growth rate, biofilm formation, cell-cell aggregation, twitching motility) with those type Temecula1. The experiments clearly showed...

10.3390/microorganisms8111832 article EN cc-by Microorganisms 2020-11-20
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