Exploring the Synergistic Secretome: Insights from Co-Cultivation of and RUT-C30

Overview

Journal J Fungi (Basel)

Date 2024 Oct 25

PMID 39452629

Authors

Guilherme Bento Sperandio

Reynaldo Magalhaes Melo

Taisa Godoy Gomes

Robert Neil Gerard Miller

Luis Henrique Ferreira do Vale

Marcelo Valle de Sousa

Carlos Andre Ornelas Ricart

Edivaldo Ximenes Ferreira Filho

Affiliations

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Abstract

The spectrum of enzymes required for complete lignocellulosic waste hydrolysis is too diverse to be secreted by a single organism. An alternative is to employ fungal co-cultures to obtain more diverse and complete enzymatic cocktails without the need to mix enzymes during downstream processing. This study evaluated the co-cultivation of and RUT-C30 in different conditions using sugarcane bagasse as the carbon source. The resulting enzymatic cocktails were characterized according to the impact of strain inoculation time on enzymatic activities and proteome composition. Data revealed that the profile of each enzymatic extract was highly dependent on the order in which the participating fungi were inoculated. Some of the co-cultures exhibited higher enzyme activities compared to their respective monocultures for enzymes such as CMCase, pectinase, β-glucosidase, and β-xylosidase. Analysis of the RUT-C30 and co-culture secretome resulted in the identification of 167 proteins, with 78 from and 89 from . In agreement with the enzymatic results, proteome analysis also revealed that the timing of inoculation greatly influences the overall secretome, with a predominance of RUT-C30 proteins when first inoculated or in simultaneous inoculation.

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