Aida Raio

My research field regards the study of bacterial plant diseases and of the antagonistic mechanisms of potential biocontrol bacteria. My present research is focused on the monitoring of alien invasive pathogenic bacteria of forest plants and the application of sustainable strategies to control microbial pathogens of woody plants.
I have set up a database including data regarding woody plant phytopathogenic bacteria both already present in Europe and potentially invasive. The monitoring activity is performed by the identification of epyphitic and endophytic bacteria of woody plants grown in commercial nursery. Bacteria are identified by sequence analysis of 16S ribosomial region.

Pseudomonas chlororaphis subsp. aureofaciens M71 strain is an effective antagonist of Seiridium cardinale, responsible of cypress canker. The antagonistic activity of the bacterium is mainly due to the production of phenazine-1-carboxylic acid (PCA). The ability to produce PCA within bacterized cypress tissues will be investigated by molecule extraction and identification by spectroscopic analysis. Antagonist-pathogen interaction will be investigated by molecular analysis.

In 2014 a field experiment started to study the effect of ozonated and electrolyzed water on epiphytic microflora (fungi, bacteria and yeasts) of leaves and berries of grape. These treatment do not produce dangerous residues. Representative strains belonging to the different microbial groups are identified by by sequence analysis of 16S ribosomial region. The aim of the project is to reduce the use of chemicals in viticulture by integrating different control strategies.

I’m also studying potential entomopathogenic bacteria of Rhynchophorous ferrugineus, the red palm weevil.

Projects

Articles and book chapters since 2008

  • 2019 - Silver nanoparticles enter the tree stem faster through leaves than through roots - Cocozza C., Perone A., Giordano C., Salvatici M.C., Pignattelli S., Raio A., Schaub M., Sever K., Innes J.L., Tognetti R., Cherubini P. - Tree physiology,
  • 2019 - Real-time loop-mediated isothermal amplifcation: an early-warning tool for quarantine plant pathogen detection - Aglietti C., Luchi N., Pepori A.L., Bartolini P., Pecori F., Raio A., Capretti P., Santini A. - AMB express, volume 9
  • 2019 - Root colonization by Pseudomonas chlororaphis primes tomato (Lycopersicum esculentum) plants for enhanced tolerance to water stress - Brilli F., Pollastri S., Raio A., Baraldi R., Neri L., Bartolini P., Podda A., Loreto F., Maserti B., Balestrini R. - Journal of plant physiology, 232: 82-93
  • 2018 - Drought response of Mucuna pruriens (L.) DC. inoculated with ACC deaminase and IAA producing rhizobacteria - Saleem A.R., Brunetti C., Khalid A., Della Rocca G., Raio A., Emiliani G., De Carlo A., Mahmood T., Centritto M. - Plos One , volume 13
  • 2017 - Involvement of phenazine-1-carboxylic acid in the interaction between Pseudomonas chlororaphis subsp. aureofaciens strain M71 and Seiridium cardinale in vivo - Raio A., Reveglia P., Puopolo G., Cimmino A., Danti R., Evidente A. - Microbiological research, 199: 49-56
  • 2016 - Integrated vineyard management trials using ozonated and electrolyzed water - Raio A., Feliciani A., Ferri V., Carboni C. - Infowine ,
  • 2016 - Bacterial endophytes of weeds are effective biocontrol agents of Agrobacterium spp., Pectobacterium spp., and promote growth of tomato plants - Krimi Z., Alim D., Djellout H., Tafifet L., Mohamed-Mahmoud F., Raio A. - Phytopathologia Mediterranea , 55: 184-196
  • 2016 - Bacteria associated to Rhynchophorus ferrugineus (Olivier) (Coleoptera Dryophthoridae) in Italy - Raio A., Roversi P.F., Francardi V. - Redia , 99: 53-57
  • 2012 - Insights on the susceptibility of plant pathogenic fungi to phenazine-1-carboxylic acid and its chemical derivatives - Puopolo G., Masi M., Raio A., Andolfi A., Zoina A., Cimmino A., Evidente A. - Natural Product Research , 27:956-66
  • 2011 - Biocontrol of cypress canker by the phenazine producer Pseudomonas chlororaphis subsp. aureofaciens strain M71 - Raio A., Puopolo G., Cimmino A., Danti R., Della Rocca G., Evidente A. - Biological Control (Print), 58: 133-138
  • 2011 - Selection of a new Pseudomonas chlororaphis strain for the biological control of Fusarium oxysporum f. sp. radicis-lycopersici - Puopolo G., Raio A., Pierson Iii L.s., Zoina A. - Phytopathologia Mediterranea (Testo stamp.), 50: 228-235
  • 2010 - Identification and characterization of Lysobacter capsici strain PG4: a new plant health-promoting rhizobacterium - Puopolo G., Raio A., Zoina A. - Journal Of Plant Pathology, 92:157-164
  • 2009 - Evidence of pAgK84 transfer from Agrobacterium rhizogenes K84 to natural pathogenic Agrobacterium spp. in an Italian peach nursery - Raio A., Peluso R., Puopolo G., Zoina A. - Plant Pathology, 58:745-753