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Fungi in the pressmud composting: diversity, genomics and biotechnological potential

Grant number: 12/14594-7
Support type:Scholarships in Brazil - Doctorate
Effective date (Start): October 01, 2012
Effective date (End): November 30, 2016
Field of knowledge:Biological Sciences - Microbiology - Applied Microbiology
Principal researcher:André Rodrigues
Grantee:Tássio Brito de Oliveira
Home Institution: Instituto de Biociências (IB). Universidade Estadual Paulista (UNESP). Campus de Rio Claro. Rio Claro , SP, Brazil
Associated research grant:10/12624-0 - Application of physical-chemical and enzymatic methods in the saccharification of sugar cane bagasse: studies on microorganisms, fermentative processes and hydrolyses methods, AP.TEM
Associated scholarship(s):15/25252-8 - Exploring the extremophilic fungi from pressmud: genomic analysis of Thermomucor indicae-seudaticae and diversity of osmophilic species, BE.EP.DR


The search for renewable alternatives for the use of fossil fuels led to a growing interesting in bioethanol production from agroindustrial residues, specially the sugarcane bagasse. Representing 30% of sugar cane dry weight, the bagasse requires pre-treatment with enzymes that allows subsequent saccharification of the lignocellulosic biomass. In this context, the utilization of enzymes that presents thermotolerance is necessary to improve the process yield. The aim of the present study is to assess the thermophilic and thermotolerant fungi dynamic in a filter cake composting system. It will be evaluated the diversity of thermophilic and thermotolerant fungi isolated from different composting process phases using culture dependent and independent (pyrosequencing) methods. The isolated fungi will be selected according to enzymes production useful to saccharification of lignocellulosic material (xylanase, cellulase, pectinase). In addition, to understand which enzymes are found in the different phases of the composting process, the activity of the enzymes will be measured in situ and correlated with fungus producers. With an ecologic and applied focus this proposal will bring advance in the study of themophilic fungi and its enzymes in the process of hemicellulose and cellulose hydrolysis.

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Scientific publications (4)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
MELO, WEILAN GOMES DA PAIXAO; DE OLIVEIRA, TASSIO BRITO; ARCURI, SILVIO LOVATO; DE MORAIS, PAULA BENEVIDES; PAGNOCCA, FERNANDO CARLOS. Yeasts in the nests of the leaf-cutter ant Acromyrmex balzani in a Savanna biome: exploitation of community and metabolic diversity. ANTONIE VAN LEEUWENHOEK INTERNATIONAL JOURNAL OF GENERAL AND MOLECULAR MICROBIOLOGY, v. 114, n. 6 MAR 2021. Web of Science Citations: 0.
DE OLIVEIRA, TASSIO BRITO; GOSTINCAR, CENE; GUNDE-CIMERMAN, NINA; RODRIGUES, ANDRE. Genome mining for peptidases in heat-tolerant and mesophilic fungi and putative adaptations for thermostability. BMC Genomics, v. 19, FEB 20 2018. Web of Science Citations: 1.
DE OLIVEIRA, TASSIO BRITO; PADILHA LOPES, VIVIANE CRISTINA; BARBOSA, FERNANDO NOGUEIRA; FERRO, MILENE; MEIRELLES, LUCAS ANDRADE; SETTE, LARA DURAES; GOMES, ELENI; RODRIGUES, ANDRE. Fungal communities in pressmud composting harbour beneficial and detrimental fungi for human welfare. MICROBIOLOGY-SGM, v. 162, n. 7, p. 1147-1156, JUL 2016. Web of Science Citations: 1.
DE OLIVEIRA, TASSIO BRITO; GOMES, ELENI; RODRIGUES, ANDRE. Thermophilic fungi in the new age of fungal taxonomy. EXTREMOPHILES, v. 19, n. 1, p. 31-37, JAN 2015. Web of Science Citations: 14.
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
OLIVEIRA, Tássio Brito de. Fungos na compostagem da torta de filtro : diversidade, genômica e potencial biotecnológico. 2016. 127 f. Doctoral Thesis - Universidade Estadual Paulista "Júlio de Mesquita Filho" Instituto de Biociências (Campus de Rio Claro)..

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