The Electro Sense

Antibacterial effect of a magnetic field on Serratia marcescens andrelated virulence to Hordeum vulgare and Rubus fruticosus callus cells.Piatti E, Albertini MC, Baffone W, Fraternale D, Citterio B, Piacentini MP, Dacha M, Vetrano F,Accorsi A.Universita degli Studi di Urbino, Istituto di Chimica Biologica Giorgio Fornaini, Via Saffi 2, 61029Urbino PU, Italy. e.piatti@uniurb.itThe exposure to a static magnetic field of 80+/-20 Gauss (8+/-2 mT) resulted in the inhibition ofSerratia marcescens growth. Callus cell suspensions from Hordeum vulgare and Rubus fruticosuswere also examined and only the former was found to be affected by the magnetic field, whichinduced a decreased viability. S. marcescens was shown to be virulent only toward H. vulgare andthis virulence was reduced by the presence of the magnetic field. The modification of glutathioneperoxidase activity under the different experimental conditions allowed us to speculate on thepossibility of an oxidative-stress response of H. vulgare both to S. marcescens infection andmagnetic field exposure. Since the control of microbial growth by physical agents is of interestfor agriculture, medicine and food sciences, the investigation presented herein could serve as astarting point for future studies on the efficacy of static magnetic field as low-cost/easy-handlingpreservative agent.Comp Biochem Physiol B Biochem Mol Biol. 2002 Jun;132(2):359-65.THE EFFECT OF LOW INDUCTIVITY STATIC MAGNETIC FIELD ON SOMEPLANTPATHOGEN FUNGINAGY PálDepartment of Agricultural Mechanisation, University of Veszprém, Georgikon Faculty ofAgriculture, H-8360 Keszthely, Deák F.u.16. Hungary,Tel. 36/83/311 290, Fax. 36/83/311 233, e-mail: nagyp@georgikon.huManuscript received: October 12, 2004; Reviewed: April 14, 2005; Accepted for publication: April27, 2005ABSTRACTGrowth and sporulation of phytopathogen microscopic fungi were studied under a static magneticfi eld. The appliedfl ux densities were 0,1, 0,5 and 1 mT. As a result of our experiments, the magnetic fi eld decreasedthe growth ofcolonies by 10 % using this fl ux density region. At the same time, the number of the developedconidia of Alternariaalternata and Curvularia inaequalis increased by 68-133 percent, but the number of Fusariumoxysporum conidiaThe ElectroSensedecreased by 79-83 percent.KEY WORDS: phytopathogenic fungi, sporulation, static magnetic fi eldÖSSZEFOGLALÁSVizsgálataink célja néhány növénypatogén mikroszkópikus gomba növekedésének éssporulációjának tanulmányozásamágneses tér hatására. Az alkalmazott térerősségek 0,1, 0,5 és 1 mT voltak. Kísérleteinkeredményeképpenmegállapítottuk, hogy ebben a térerősség tartományban a mágneses tér átlagosan mintegy 10%-al csökkentette atenyészetek növekedését. Ugyanakkor az Alternaria alternata és a Curvularia inaequalis fajokesetében 68-133 %-kalnövekedett, Fusarium oxysporum esetében pedig 79-83 %-kal csökkent a képződött konídiumokszáma.KULCSSZAVAK: növénypatogén gombák, sporuláció, statikus mágneses téExposure of simian virus-40-transformed human cells to magnetic fields results in increased levelsof T-antigen mRNA and protein.Gold S, Goodman R, Shirley-Henderson A.Institute for Biomolecular Structure and Function, Biological Sciences, Hunter College-CUNY, NY10021.AbstractIn its integrated form. SV-40 DNA offers an opportunity to observe the behavior of what is in effecta viral genome within a cellular genome, with transcriptional and translational products thatcan be clearly distinguished from those of the host cell. Exposure of SV40-transformed humanfibroblasts to a 60 Hz continuous-wave sinusoidal electromagnetic (EM) field resulted in increasedlevels of virally derived mRNA and protein of large T-antigen. These findings provide evidence thata foreign DNA integrated into cells can be affected by EM fields under conditions known to causeincreased transcripts from endogenous cellular genes.58 59