conclusions the results of the present study revealed that soil resources of these areas were contaminated with opportunistic amoebas such as acanthamoeba and hartmannella spp. and this may lead to severe diseases in high-risk people, such as immunocompromised patients. background free-living amoebas are very abundant in nature, especially in water and soil. some species of amoebas cause seriou...

O objetivo com esse estudo foi avaliar as atividades proteolítica e pectinolítica de isolados fúngicos oriundos do caule seis árvores frutíferas: pequizeiro, mangabeira, lobeira, muricizeiro, pimenta macaco marmelada. Submeteu-se 18 cepas fúngicas, em triplicata, a ensaio enzimático conforme metodologias adaptadas Strauss et al. (2001) Brizzio (2007), distintos períodos (24, 48 72 horas). Para ...

Ten isolates of Aureobasidium pullulans were screened for the highest production of pullulan and minimal melanin production from Fayoum Governorate, Egypt. The optimum conditions for continuous culture were studied; temperature was 24°C, while pH 5.0, and agitation speed was at 500 rpm, while the aeration rate was 2.5 vvm and the best flow rate was 1 L/ 24 h. The maximum production of pullulan ...

A stress-induced "mycosome" phase of Aureobasidium pullulans consisting of minute reproductive propagules that may revert directly to walled yeast cells is described. Mycosomes detected by light- and electron-microscopy reproduce within senescent plant plastids, and display three developmental pathways: wall-less cells (protoplasts), yeast cells, or membrane-bounded spherules that harbor plasti...

Subject to any disclaimer, the term of this patent is extended or adjusted under 35 U.S.C. 154(b) by 0 days. (57) ABSTRACT Three choline utilizing strains of microorganisms isolated from the anthers of wheat, Aureobasidium pullulans strainAS 55.2, Arthrobacter species strain OH 221.3, and Pseudomo nas species strain AS 64.4, are superior antagonists of F. graminearum. These microorganisms are e...