2018
DOI: 10.29267/mxjb.2018.3.3.26
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Análisis cualitativo de la producción de enzimas de Beauveria bassiana en fermentación sólida utilizando un inductor

Abstract: La producción de hongos entomopatógenos es un área de estudio de gran importancia representando una alternativa ante el uso de insecticidas de origen químico. Durante el mecanismo de infección los hongos entomopatógenos liberan lipasas, proteasas y quitinasas responsables de la penetración de la cutícula de los insectos. Se ha demostrado que en fermentación líquida estas enzimas son inducibles, pero los productos obtenidos por este bioproceso no tienen alta efectividad para su uso a nivel agrícola; en cambio, … Show more

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Cited by 4 publications
(3 citation statements)
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“…However, conidia concentrations higher than 1 x 10 8 conidia g -1 of substrate were obtained with amaranth stubble and were sufficient to evaluate virulence using bioassays (Montesinos-Matias et al, 2011). In previous reports, the profile of conidia production by solid-state cultivation with Beauveria bassiana 885.2 was independent of the substrate used, whether it was broken rice, broken maize, or wheat bran (López-Sosa et al, 2017). When comparing the conidia production of Beauveria bassiana 885.2 and Beauveria bassiana DS3.17 on broken rice, both strains had similar results; however, the use of amaranth stubble as a substrate influenced conidia production.…”
Section: Resultsmentioning
confidence: 70%
See 1 more Smart Citation
“…However, conidia concentrations higher than 1 x 10 8 conidia g -1 of substrate were obtained with amaranth stubble and were sufficient to evaluate virulence using bioassays (Montesinos-Matias et al, 2011). In previous reports, the profile of conidia production by solid-state cultivation with Beauveria bassiana 885.2 was independent of the substrate used, whether it was broken rice, broken maize, or wheat bran (López-Sosa et al, 2017). When comparing the conidia production of Beauveria bassiana 885.2 and Beauveria bassiana DS3.17 on broken rice, both strains had similar results; however, the use of amaranth stubble as a substrate influenced conidia production.…”
Section: Resultsmentioning
confidence: 70%
“…Conidia production kinetics were carried out in triplicate using plastic containers (10 cm length x 10 cm width x 4 cm depth) with 25 g of either rice (Oryza sativa, C/N ratio 8.38) or amaranth stubble (Amaranthus hypochondriacus L., C/N ratio 6.54) inoculated under aseptic conditions with 32.5 mL of a conidia suspension at a concentration of 2 x 10 9 conidia mL -1 , with an initial humidity of 75 % and a water activity of 0.99 (López-Sosa et al, 2017). The containers were then incubated at 25 °C for 8 days (Sev Prendo INO 650V-7, Mexico).…”
Section: Conidia Production Kineticsmentioning
confidence: 99%
“…La cepa se incubó a 25 °C durante 14 días en medio agar Dextrosa Sabouraud al 4% (p/v) suplementado con 0.05% (p/v) de extracto de levadura (Bioxon, México). La producción del inóculo fúngico se realizó por fermentación bifásica empleando la metodología descrita por López-Sosa et al (15) . Al final de la fermentación, los conidios se recuperaron mediante tamizado (300 µm, TEST SIEVE Alemania), se suspendieron en agua destilada estéril (1:10 g ml -1 ) hasta una concentración final de 4.2x10 9 conidios ml -1 ; a partir de ésta se realizaron diluciones para obtener suspensiones con concentraciones de 1x10 6 ,1x10 7 1x10 8 y 1x10 9 conidios ml -1 que fueron utilizadas para los bioensayos.…”
Section: Materials Y Métodos Microorganismounclassified