Buscar
Mostrando ítems 1-10 de 513
Comparison of radial growth rate of the mutualistic fungus of Atta sexdens rubropilosa forel in two culture media
(Sociedade Brasileira de Microbiologia, 2010)
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 ...
Growth of populations and the fungus garden of Atta sexdens rubropilosa (Hymenoptera, Formicidae) response to foraged substrates
(California State University, 2008-01-01)
The leaf-cutting ants forage diverse plants for cultivation of symbiotic fungus, which is a primary food source for larvae in the colony. Previous studies have suggested that continuous offering of a single vegetal species ...
Growth of populations and the fungus garden of Atta sexdens rubropilosa (Hymenoptera, Formicidae) response to foraged substrates
(2008-11-19)
The leaf-cutting ants forage diverse plants for cultivation of symbiotic fungus, which is a primary food source for larvae in the colony. Previous studies have suggested that continuous offering of a single vegetal species ...
Nest Architecture and Colony Growth of Atta bisphaerica Grass-Cutting Ants
(Mdpi, 2020-11-01)
Simple Summary Atta bisphaerica grass-cutting ants build giant nests with hundreds or thousands of large chambers. Here, we assessed whether the total volume of fungus chambers and other nest parameters grow at close or ...
The effect of gene tubC on the vegetative growth of benomyl-resistant strains of Aspergillus nidulans
(1994-06-29)
Two benomyl-resistant mutants, benD3 tubC41 and benD4 tubC42, of Aspergillus nidulans were isolated after UV treatment. The tubC mutations permitted good conidiation of these strains in culture media containing benomyl and ...
Isolation and growth of the symbiotic fungus of Atta capiguara (Hymenoptera: Formicidae)
(2007-11-15)
This work's objectives were to isolate and evaluate the growth of the symbiotic fungus of Atta capiguara Gonçalves on artificial medium, under different pH and temperature conditions. Isolation was accomplished using the ...
Induction and secretion of elastinolytic and proteolytic activity in cultures of Paracoccidioides brasiliensis
(2008-10-28)
P. brasiliensis parasitizes various human tissues and proteinases exported by this fungus may allow it to metabolize and invade host tissues. The influence of the culture medium on the production of proteinases by P. ...
Control of lipase production by Rhizopus oligosporus under various growth conditions
(1988-01-01)
Some factors influencing the growth and production of extracellular lipase by Rhizopus oligosporus were studied. Highest yields of enzyme were obtained when Tweens were the carbon source. Soybean meal extract supported ...
A volatile semiochemical released by the fungus garden of leaf-cutting ants
(Florida Entomological Soc, 2020-03-01)
The symbiosis between fungi and leaf-cutting ants (Hymenoptera: Formicidae) has aroused the interest of researchers about the mechanism used by ants to select plants. The nutritional needs of the fungus garden, and the ...
Escovopsioides as a fungal antagonist of the fungus cultivated by leafcutter ants
(2018-10-10)
Background: Fungus gardens of fungus-growing (attine) ants harbor complex microbiomes in addition to the mutualistic fungus they cultivate for food. Fungi in the genus Escovopsioides were recently described as members of ...