Fungal Growth on Solid Substrates

Gomes, Eleni; Silva, Roberto da; Ladino-Orjuela, Guillermo; Pereira, Joelma

doi:10.1016/b978-0-444-63990-5.00003-7

Cited by 9 publications

(19 citation statements)

References 127 publications

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“…Therefore, absorption of nutrients and oxygen occurs faster (Zhou et al 2018). Meanwhile, in a solid medium, fungal mycelium can only grow on the surface of the medium (Canovas et al 2017;Gomes et al 2018).…”

Section: The Effect Of Low Ph Degrees On the Growth Of Antagonistic Fmentioning

confidence: 99%

Evaluation of in vitro antagonistic activity of fungi from peatlands against Ganoderma species under acidic condition

et al. 2020

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Abstract. Supriyanto, Purwanto, Poromarto SH, Supyani. 2020. Evaluation of in vitro antagonistic activity of fungi from peatlands against Ganoderma species under acidic conditions. Biodiversitas 21: 2935-2945. The use of peatlands is a significant contributor to the world’s palm oil production. A serious problem of oil palm plantations in peatlands is the high incidence of basal stem rot (BSR) disease caused by Ganoderma, which has a higher attack rate than on mineral soils. There is no effective way to control Ganoderma in peatlands. At present, the effort for the same focuses on environment-friendly biological methods; however, this is constrained by the unavailability of appropriate biological agents for peatlands. The development of biological control agents for peatlands is hampered by limited data on biological control of Ganoderma in peatlands. This research was conducted to evaluate the in vitro antagonistic activity of fungi isolated from a peatland in acidic pH conditions. Twenty-seven Ganoderma-antagonistic fungi from peatland were evaluated for their activity and their ability to antagonism in vitro within a pH range of 2-7. The results show that most antagonistic fungi from peatland, based on biomass weight, the sporulation ability, and germination of conidium, were able to grow optimally at pH 3.0-4.0, indicating that most of the Ganoderma-antagonistic fungi from peatland can be used as biological control agents for BSR on oil palms in peatlands.

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Section: The Effect Of Low Ph Degrees On the Growth Of Antagonistic Fmentioning

confidence: 99%

Evaluation of in vitro antagonistic activity of fungi from peatlands against Ganoderma species under acidic condition

et al. 2020

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“…High osmotic pressure in a culture medium induces the fungal accumulation of polyols such as glycerol, mannitol, erythritol, and arabitol. Fungal polyol production is a chemical response to keep cell turgor pressure and growth in low moisture content environment [23]. Our hypothesis is that the increase of the osmotic pressure in the culture medium could affect cell turgor pressure and possibly reduce mycelial free water.…”

Section: Introductionmentioning

confidence: 97%

Semisolid culture medium improves mycelial recovery of Agaricus subrufescens cryopreserved in cereal grains

et al. 2019

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This study aimed to evaluate the effects of the solid and semisolid culture medium on the mycelial viability of A. subrufescens after 5-year cryopreservation at − 70°C. Mycelia were grown in three types of whole or ground grains, with or without 5% glycerol addition in the substrate and/or in a cryotube. After 5 years of cryopreservation at − 70°C, every treatment was thawed and recovered in malt extract culture medium with 15 (solid culture medium) or 5 g L −1 (semisolid culture medium) of agar. The semisolid recovery culture medium increased the mycelial viability recovery capacity of A. subrufescens cryopreserved for 5 years in grains with glycerol only in the cryotube, and specifically with medium-hard wheat grain without glycerol addition at all. Agar-based substrates such as malt extract agar, agar-ground grain, or the one with glycerol addition to the substrate were not effective to keep the mycelial viability, regardless of the recovery culture medium consistency. Hard and medium-hard endosperm wheat grains or hard endosperm rye grains with addition of glycerol as cryoprotectant only to the cryotube were effective to cryopreserve the fungus for 5 years without cryoprotectant addition in the substrate.

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“…Ya que, un alto porcentaje de humedad puede ocasionar deficiencias en la transferencia de O2 que podría inducir el crecimiento bacteriano, y por otra parte, si hay un bajo contenido de humedad, se reduce la transferencia de nutrientes, lo que ocasionaría una deficiencia en el crecimiento microbiano (Pandey, 2003). Por lo general, el CS ha sido empleado para el estudio de hongos filamentosos, debido a sus capacidades de crecer sobre superficies con baja actividad de agua, la cual influye sobre su fisiología, y producción de metabolitos y proteína (Gomes et al, 2018;Romero, 2001).…”

Section: Ventajas Del Cultivo Sólido Sobre El Cultivo Líquidounclassified

“…En el caso de la producción de la proteína, la morfología que desarrollan los hongos filamentosos durante su crecimiento también tiene que ser considerada, debido a que es un variable que depende de la ramificación (Gomes et al, 2018;Zhang y Zhang, 2016).…”

Section: Comparación Del Cultivo Sólido Y Cultivo Líquidounclassified

“…en el cual las hifas se extienden sobre y dentro del soporte sólido (Gomes et al, 2018;Villena y Gutiérrez-Correa, 2007), asemejando el crecimiento en condiciones naturales. Se ha planteado que la ramificación de las hifas durante el crecimiento micelial es importante, ya que incrementa el área superficial mejorando la adquisición de nutrientes.…”

Section: Morfología De Los Hongos Filamentososunclassified

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Análisis comparativo del secretoma de Aspergillus brasiliensis obtenido en cultivo líquido y sólido

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Fungal Growth on Solid Substrates

Cited by 9 publications

References 127 publications

Evaluation of in vitro antagonistic activity of fungi from peatlands against Ganoderma species under acidic condition

Evaluation of in vitro antagonistic activity of fungi from peatlands against Ganoderma species under acidic condition

Semisolid culture medium improves mycelial recovery of Agaricus subrufescens cryopreserved in cereal grains

Análisis comparativo del secretoma de Aspergillus brasiliensis obtenido en cultivo líquido y sólido

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