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Characterization of Cellulolytic Bacterial Cultures Grown in Different Substrates
Nine aerobic cellulolytic bacterial cultures were obtained from the Leibniz Institute DSMZ-German Collection of Microorganisms and Cell Culture (DSMZ) and the American Type Culture Collection (ATCC). The objectives of this study were to characterize the cellulolytic bacteria and to determine the opt...
Autores principales: | , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Hindawi Publishing Corporation
2013
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3844246/ https://www.ncbi.nlm.nih.gov/pubmed/24319380 http://dx.doi.org/10.1155/2013/689235 |
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author | Alshelmani, Mohamed Idris Loh, Teck Chwen Foo, Hooi Ling Lau, Wei Hong Sazili, Awis Qurni |
author_facet | Alshelmani, Mohamed Idris Loh, Teck Chwen Foo, Hooi Ling Lau, Wei Hong Sazili, Awis Qurni |
author_sort | Alshelmani, Mohamed Idris |
collection | PubMed |
description | Nine aerobic cellulolytic bacterial cultures were obtained from the Leibniz Institute DSMZ-German Collection of Microorganisms and Cell Culture (DSMZ) and the American Type Culture Collection (ATCC). The objectives of this study were to characterize the cellulolytic bacteria and to determine the optimum moisture ratio required for solid state fermentation (SSF) of palm kernel cake (PKC). The bacteria cultures were grown on reconstituted nutrient broth, incubated at 30°C and agitated at 200 rpm. Carboxymethyl cellulase, xylanase, and mannanase activities were determined using different substrates and after SSF of PKC. The SSF was conducted for 4 and 7 days with inoculum size of 10% (v/w) on different PKC concentration-to-moisture ratios: 1 : 0.2, 1 : 0.3, 1 : 0.4, and 1 : 0.5. Results showed that Bacillus amyloliquefaciens 1067 DSMZ, Bacillus megaterium 9885 ATCC, Paenibacillus curdlanolyticus 10248 DSMZ, and Paenibacillus polymyxa 842 ATCC produced higher enzyme activities as compared to other bacterial cultures grown on different substrates. The cultures mentioned above also produced higher enzyme activities when they were incubated under SSF using PKC as a substrate in different PKC-to-moisture ratios after 4 days of incubation, indicating that these cellulolytic bacteria can be used to degrade and improve the nutrient quality of PKC. |
format | Online Article Text |
id | pubmed-3844246 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2013 |
publisher | Hindawi Publishing Corporation |
record_format | MEDLINE/PubMed |
spelling | pubmed-38442462013-12-08 Characterization of Cellulolytic Bacterial Cultures Grown in Different Substrates Alshelmani, Mohamed Idris Loh, Teck Chwen Foo, Hooi Ling Lau, Wei Hong Sazili, Awis Qurni ScientificWorldJournal Research Article Nine aerobic cellulolytic bacterial cultures were obtained from the Leibniz Institute DSMZ-German Collection of Microorganisms and Cell Culture (DSMZ) and the American Type Culture Collection (ATCC). The objectives of this study were to characterize the cellulolytic bacteria and to determine the optimum moisture ratio required for solid state fermentation (SSF) of palm kernel cake (PKC). The bacteria cultures were grown on reconstituted nutrient broth, incubated at 30°C and agitated at 200 rpm. Carboxymethyl cellulase, xylanase, and mannanase activities were determined using different substrates and after SSF of PKC. The SSF was conducted for 4 and 7 days with inoculum size of 10% (v/w) on different PKC concentration-to-moisture ratios: 1 : 0.2, 1 : 0.3, 1 : 0.4, and 1 : 0.5. Results showed that Bacillus amyloliquefaciens 1067 DSMZ, Bacillus megaterium 9885 ATCC, Paenibacillus curdlanolyticus 10248 DSMZ, and Paenibacillus polymyxa 842 ATCC produced higher enzyme activities as compared to other bacterial cultures grown on different substrates. The cultures mentioned above also produced higher enzyme activities when they were incubated under SSF using PKC as a substrate in different PKC-to-moisture ratios after 4 days of incubation, indicating that these cellulolytic bacteria can be used to degrade and improve the nutrient quality of PKC. Hindawi Publishing Corporation 2013-11-11 /pmc/articles/PMC3844246/ /pubmed/24319380 http://dx.doi.org/10.1155/2013/689235 Text en Copyright © 2013 Mohamed Idris Alshelmani et al. https://creativecommons.org/licenses/by/3.0/ This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. |
spellingShingle | Research Article Alshelmani, Mohamed Idris Loh, Teck Chwen Foo, Hooi Ling Lau, Wei Hong Sazili, Awis Qurni Characterization of Cellulolytic Bacterial Cultures Grown in Different Substrates |
title | Characterization of Cellulolytic Bacterial Cultures Grown in Different Substrates |
title_full | Characterization of Cellulolytic Bacterial Cultures Grown in Different Substrates |
title_fullStr | Characterization of Cellulolytic Bacterial Cultures Grown in Different Substrates |
title_full_unstemmed | Characterization of Cellulolytic Bacterial Cultures Grown in Different Substrates |
title_short | Characterization of Cellulolytic Bacterial Cultures Grown in Different Substrates |
title_sort | characterization of cellulolytic bacterial cultures grown in different substrates |
topic | Research Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3844246/ https://www.ncbi.nlm.nih.gov/pubmed/24319380 http://dx.doi.org/10.1155/2013/689235 |
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