Morphological and biochemical modifications induced by a static magnetic field on Fusarium culmorum

The effects of the exposure to a static magnetic field (sMF) of 0.3 ± 0.03 T on the Fusarium culmorum were investigated in vitro. sMF inhibition of mycelia growth was accompanied by morphological and biochemical changes. Fungal conidia germination and cell viability were also reduced. We provide evi...

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Bibliographic Details
Published in:Biochimie 2003-10, Vol.85 (10), p.963-970
Main Authors: Albertini, Maria Cristina, Accorsi, Augusto, Citterio, Barbara, Burattini, Sabrina, Piacentini, Maria Piera, Uguccioni, Francesco, Piatti, Elena
Format: Article
Language:English
Subjects:
Antifungal agents
BIOCHEMISTRY
BIOCHIMIE
BIOQUÍMICA
Ca 2+-dependent signal transduction pathways
Calcium Chloride - pharmacology
CAMPO MAGNÉTICO
CEREAL CROPS
CHAMP MAGNÉTIQUE
CONTROL DE ENFERMEDADES
CONTRÔLE DE MALADIES
CULTIVOS DE CEREALES
DISEASE CONTROL
Egtazic Acid - pharmacology
ENFERMEDADES FUNGOSAS
ESPORAS FÚNGICAS
EXPERIMENTACIÓN IN VITRO
EXPÉRIMENTATION IN VITRO
FUNGAL DISEASES
FUNGAL SPORES
Fusarium - drug effects
Fusarium - growth & development
FUSARIUM CULMORUM
GERMINACIÓN
GERMINATION
IN VITRO EXPERIMENTATION
Lithium Chloride - pharmacology
MAGNETIC FIELD
Magnetics
MALADIE FONGIQUE
Mycelium - drug effects
Mycelium - growth & development
Neomycin - pharmacology
PLANTE CÉRÉALIÈRE
SPORE FONGIQUE
Static magnetic field
Tetradecanoylphorbol Acetate - analogs & derivatives
Tetradecanoylphorbol Acetate - pharmacology
ULTAESTRUCTURA
ULTRASTRUCTURE
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Summary:The effects of the exposure to a static magnetic field (sMF) of 0.3 ± 0.03 T on the Fusarium culmorum were investigated in vitro. sMF inhibition of mycelia growth was accompanied by morphological and biochemical changes. Fungal conidia germination and cell viability were also reduced. We provide evidence of the influence of sMF on Ca 2+-dependent signal transduction pathways involved in conidia germination. Perturbation of these pathways by adding different compounds (i.e. CaCl 2, phorbol 12-myristate 13-acetate, neomycin, EGTA, LiCl) to the medium, suggested that exposed conidia are unable to mobilise calcium from intracellular stores and that the hindered mechanism may be IP 3-dependent.
ISSN:0300-9084
1638-6183
DOI:10.1016/j.biochi.2003.09.017