Comparison of radial growth rate of the mutualistic fungus of Atta sexdens rubropilosa forel in two culture media

AUTOR(ES)

Miyashira, C.H, Tanigushi, D.G, Gugliotta, A.M, Santos, D.Y.A.C

FONTE

Brazilian Journal of Microbiology

DATA DE PUBLICAÇÃO

2010-06

RESUMO

In vitro culture of the mutualistic fungus of leaf-cutting ants is troublesome due to its low growth rate, which leads to storage problems and contaminants accumulation. This paper aims at comparing the radial growth rate of the mutualistic fungus of Atta sexdens rubropilosa Forel in two different culture media (Pagnocca B and MEA LP). Although total MEA LP radial growth was greater all along the bioassay, no significant difference was detected between growth efficiencies of the two media. Previous evidences of low growth rate for this fungus were confirmed. Since these data cannot point greater efficiency of one culture medium over the other, MEA LP medium is indicated for in vitro studies with this mutualistic fungus due its simpler composition and translucent color, making the analysis easier.

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