The effects of dietary nickel on the detoxification enzymes, innate immunity and resistance to the fungus Beauveria bassiana in the larvae of the greater wax moth Galleria mellonella

Chemosphere ◽  
2011 ◽  
Vol 85 (1) ◽  
pp. 92-96 ◽  
Author(s):  
I.M. Dubovskiy ◽  
E.V. Grizanova ◽  
N.S. Ershova ◽  
M.J. Rantala ◽  
V.V. Glupov
1999 ◽  
Vol 34 (3) ◽  
pp. 286-294 ◽  
Author(s):  
D. L. Olson ◽  
R. D. Oetting

In laboratory and greenhouse studies, the compatibility of a spore suspension of Beauveria bassiana (Balsamo) with insect growth regulators (IGRs) was determined. When B. bassiana was applied over residues of 7 different IGRs, infectivity of greater wax moth larvae, Galleria mellonella (L), exposed to leaf rinsates was reduced by two of the IGRs. Azadirachtin and diflubenzuron reduced the infectivity of B. bassiana by up to 50%. Fenoxycarb, cyromazine, S-kinoprene, pyriproxyfen, and buprofezin did not significantly reduce the infectivity of B. bassiana. Under greenhouse conditions, the population levels of green peach aphid, Myzus persicae (Sulzer), on chrysanthemums, were not significantly different when Botanigard® (B. bassiana strain GHA) was used independently or in combination with the IGR S-kinoprene. In laboratory tests, 100% of wax moth larvae were infected with B. bassiana when they were exposed to leaf washes 24 h post Botanigard application to chrysanthemum foliage. Infectivity decreased rapidly with less than 15% of the larvae infected with B. bassiana when exposed to leaf washes 48 hr post Botanigard application to foliage.


Virulence ◽  
2021 ◽  
Vol 12 (1) ◽  
pp. 1900-1920
Author(s):  
Aiste Dijokaite ◽  
Maria Victoria Humbert ◽  
Emma Borkowski ◽  
Roberto M La Ragione ◽  
Myron Christodoulides

2006 ◽  
Vol 387 (5) ◽  
pp. 549-557 ◽  
Author(s):  
Gregor Langen ◽  
Jafargholi Imani ◽  
Boran Altincicek ◽  
Gernot Kieseritzky ◽  
Karl-Heinz Kogel ◽  
...  

Abstract A cDNA encoding gallerimycin, a novel antifungal peptide from the greater wax moth Galleria mellonella, was isolated from a cDNA library of genes expressed during innate immune response in the caterpillars. Upon ectopic expression of gallerimycin in tobacco, using Agrobacterium tumefaciens as a vector, gallerimycin conferred resistance to the fungal pathogens Erysiphe cichoracearum and Sclerotinia minor. Quantification of gallerimycin mRNA in transgenic tobacco by real-time PCR confirmed transgenic expression under control of the inducible mannopine synthase promoter. Leaf sap and intercellular washing fluid from transgenic tobacco inhibited in vitro germination and growth of the fungal pathogens, demonstrating that gallerimycin is secreted into intercellular spaces. The feasibility of the use of gallerimycin to counteract fungal diseases in crop plants is discussed.


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