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| Registros recuperados : 633 | |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Florestas. Para informações adicionais entre em contato com cnpf.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Florestas. |
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Data corrente: |
16/10/2017 |
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Data da última atualização: |
16/10/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 2 |
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Autoria: |
HEINZ, K. G. H.; ZANONI, P. R. S.; OLIVEIRA, R. R.; MEDINA-SILVA, R.; SIMÃO, T. L. L.; TRINDADE, F. J.; PEREIRA, L. M.; TAVARES, L. B. B.; GIONGO, A. |
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Afiliação: |
Kássia G. H. Heinz, Centro de Ciências Tecnológicas, PPGEA, FURB; PATRICIA RAQUEL SILVA ZANONI, CNPF; Rafael R. Oliveira, Instituto do Petróleo e dos Recursos Naturais, PUCRS; Renata Medina-Silva, PUCRS; Taiz L. L. Simão, Faculdade de Biociências, PUCRS; Fernanda J. Trindade, Faculdade de Biociências, PUCRS; Leandro M. Pereira, Faculdade de Biociências, PUCRS; Lorena B. B. Tavares, Centro de Ciências Tecnológicas, PPGEA, FURB; Adriana Giongo, Instituto do Petróleo e dos Recursos Naturais, PUCRS. |
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Título: |
Recycled paper sludge microbial community as a potential source of cellulase and xylanase enzymes. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
Waste and Biomass Valorization, v. 8, n. 6, p. 1907-1917, Sept. 2017. |
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DOI: |
10.1007/s12649-016-9792-x |
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Idioma: |
Inglês |
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Conteúdo: |
Waste disposal from paper and pulp industry is of great environmental concern. Sludge from recycled paper mills favors colonization with different microbial species due to its chemical composition. In this environment, the microbiota can express enzymes that hydrolyze celluloses and hemicelluloses, such as cellulases, β-glucosidases, and xylanases. Understanding microbiota living in such disposal may give directions to what kind of enzymes or bioproducts may be possible to obtain from this microorganism and how to deal with the waste during the process. We have accessed microbial community associated with two steps in the recycled paper sludge generation by high-throughput DNA sequencing: fibrous residue, and wastewater sludge. Bacteroidetes, Proteobacteria and Firmicutes phyla represented more than 96% of the total. From the eukaryote perspective, Vorticella was the most frequent in fibrous residue samples while Acanthamoeba was the most common on wastewater sludge samples. Among the isolates cellulase activity was detectable only from fungi isolates. Half of the bacterial isolates presented xylanase activity, and most of them in high level of activity. Both a metabarcoding and culturing approaches are valuable tools for enzymatic screening in industrial waste disposal. |
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Palavras-Chave: |
Cloacibacterium; Metabarcoding; Paper mill; Xilanase. |
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Thesagro: |
Celulase; Enzima. |
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Thesaurus NAL: |
Cellulases; Enhydrobacter; Enzymes; Hydrolysis; Pulp and paper sludge; Xylanases. |
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Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
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Marc: |
LEADER 02348naa a2200373 a 4500
001 2077431
005 2017-10-16
008 2017 bl uuuu u00u1 u #d
024 7 $a10.1007/s12649-016-9792-x$2DOI
100 1 $aHEINZ, K. G. H.
245 $aRecycled paper sludge microbial community as a potential source of cellulase and xylanase enzymes.$h[electronic resource]
260 $c2017
520 $aWaste disposal from paper and pulp industry is of great environmental concern. Sludge from recycled paper mills favors colonization with different microbial species due to its chemical composition. In this environment, the microbiota can express enzymes that hydrolyze celluloses and hemicelluloses, such as cellulases, β-glucosidases, and xylanases. Understanding microbiota living in such disposal may give directions to what kind of enzymes or bioproducts may be possible to obtain from this microorganism and how to deal with the waste during the process. We have accessed microbial community associated with two steps in the recycled paper sludge generation by high-throughput DNA sequencing: fibrous residue, and wastewater sludge. Bacteroidetes, Proteobacteria and Firmicutes phyla represented more than 96% of the total. From the eukaryote perspective, Vorticella was the most frequent in fibrous residue samples while Acanthamoeba was the most common on wastewater sludge samples. Among the isolates cellulase activity was detectable only from fungi isolates. Half of the bacterial isolates presented xylanase activity, and most of them in high level of activity. Both a metabarcoding and culturing approaches are valuable tools for enzymatic screening in industrial waste disposal.
650 $aCellulases
650 $aEnhydrobacter
650 $aEnzymes
650 $aHydrolysis
650 $aPulp and paper sludge
650 $aXylanases
650 $aCelulase
650 $aEnzima
653 $aCloacibacterium
653 $aMetabarcoding
653 $aPaper mill
653 $aXilanase
700 1 $aZANONI, P. R. S.
700 1 $aOLIVEIRA, R. R.
700 1 $aMEDINA-SILVA, R.
700 1 $aSIMÃO, T. L. L.
700 1 $aTRINDADE, F. J.
700 1 $aPEREIRA, L. M.
700 1 $aTAVARES, L. B. B.
700 1 $aGIONGO, A.
773 $tWaste and Biomass Valorization$gv. 8, n. 6, p. 1907-1917, Sept. 2017.
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