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Devi R, Thakur R, Kapoor S, Joshi SJ, Kumar A. Comparative assessment on lignocellulose degrading enzymes and bioethanol production from spent mushroom substrate of Calocybe indica and Volvariella volvacea. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:38878-38892. [PMID: 37071368 DOI: 10.1007/s11356-023-26988-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Accepted: 04/09/2023] [Indexed: 06/19/2023]
Abstract
In the current study, we compared the production of extracellular lignocellulose degrading enzymes and bioethanol from the spent mushroom substrate (SMS) of Calocybe indica and Volvariella volvacea. From SMS at different stages of the mushroom development cycle, ligninolytic and hydrolytic enzymes were analysed. The activities of lignin-degrading enzymes, including lignin peroxidase (LiP), laccase, and manganese peroxidase (MnP) were maximal in the spawn run and primordial stages, while hydrolytic enzymes including xylanase, cellobiohydrolase (CBH), and carboxymethyl cellulase (CMCase) showed higher activity during fruiting bodies development and at the end of the mushroom growth cycle. SMS of V. volvacea showed relatively lower ligninase activity than the SMS of C. indica, but had the maximum activity of hydrolytic enzymes. The enzyme was precipitated with acetone and further purified with the DEAE cellulose column. The maximum yield of reducing sugars was obtained after hydrolysis of NaOH (0.5 M) pretreated SMS with a cocktail of partially purified enzymes (50% v/v). After enzymatic hydrolysis, the total reducing sugars were 18.68 ± 0.34 g/l (SMS of C. indica) and 20.02 ± 0.87 g/l (SMS of V. volvacea). We observed the highest fermentation efficiency and ethanol productivity (54.25%, 0.12 g/l h) obtained from SMS hydrolysate of V. volvacea after 48 h at 30 ± 2 °C, using co-culture of Saccharomyces cerevisiae MTCC 11,815 and Pachysolen tannophilus MTCC 1077.
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Affiliation(s)
- Rajni Devi
- Department of Microbiology, Punjab Agricultural University, 141004, Ludhiana, Punjab, India
| | - Richa Thakur
- Department of Biochemistry, Punjab Agricultural University, 141004, Ludhiana, Punjab, India
| | - Shammi Kapoor
- Department of Microbiology, Punjab Agricultural University, 141004, Ludhiana, Punjab, India
| | - Sanket J Joshi
- Oil & Gas Research Center, and Central Analytical and Applied Research Unit, Sultan Qaboos University, 123, Muscat, Oman.
| | - Amit Kumar
- Department of Biotechnology, School of Engineering and Technology, Sharda University, Greater Noida, India
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Suresh AR, Alphonse Mani AS, Muthuvelu KS. Investigation of pre-treatment techniques on spent substrate of Pleurotus ostreatus for enhanced biobutanol production using Clostridium acetobutylicum MTCC 11274. BIORESOURCE TECHNOLOGY 2024; 394:130228. [PMID: 38128888 DOI: 10.1016/j.biortech.2023.130228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 12/18/2023] [Accepted: 12/18/2023] [Indexed: 12/23/2023]
Abstract
Addressing global energy demand, researchers sought eco-friendly biobutanol production from lignocellulosic waste biomass. In the present research work, five different pre-treatment methods viz., Microwave, Ultrasound, Alkali, Acid, and Hybrid, were investigated to explore its biobutanol production potential by utilizing Pleurotus ostreatus spent as substrate. The compositional and physico-chemical changes of the pre-treated Spent Mushroom Substrate (SMS) were assessed using SEM, FTIR, and XRD. Hybrid pre-treatment (Microwave, Alkali, Ultrasound) showed higher delignification when compared to conventional pre-treatment method. Hybrid pre-treated SMS resulted in higher total reducing sugars (521.53 ± 1.84 mg/g) than indigenous SMS (267.89 ± 1.53 mg/g). Fermentation of hybrid pre-treated SMS with Clostridium acetobutylicum MTCC 11274 produced the highest biobutanol concentration (9.84 ± 0.03 g/L) and yielded 0.38 ± 0.02 g/g of biobutanol. This study revealed that hybrid pre-treatment could be a promising solution for enhanced biobutanol production using SMS biomass.
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Affiliation(s)
- Ashwin Raj Suresh
- Bioprocess and Bioproducts Special Lab, Department of Biotechnology, Bannari Amman Institute of Technology, Sathyamangalam, Erode 638 401, Tamilnadu, India
| | - Anitha Shalini Alphonse Mani
- Bioprocess and Bioproducts Special Lab, Department of Biotechnology, Bannari Amman Institute of Technology, Sathyamangalam, Erode 638 401, Tamilnadu, India
| | - Kirupa Sankar Muthuvelu
- Bioprocess and Bioproducts Special Lab, Department of Biotechnology, Bannari Amman Institute of Technology, Sathyamangalam, Erode 638 401, Tamilnadu, India.
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Halim SA, Razali N. Pelletisation of peat moss using binder from palm oil refinery waste (spent bleaching earth) and binder from grey oyster mushroom plantation waste (spent mushroom substrate). FUEL 2023; 342:127765. [DOI: 10.1016/j.fuel.2023.127765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
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Extraction and utilization of active substances from edible fungi substrate and residue: A review. Food Chem 2023; 398:133872. [PMID: 35964566 DOI: 10.1016/j.foodchem.2022.133872] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Revised: 06/16/2022] [Accepted: 08/05/2022] [Indexed: 02/06/2023]
Abstract
The expansion of the edible fungi industry has resulted in the production of large amounts of edible fungus residues, causing great pressure on environmental protection.Therefore, research on edible fungus residue utilization has become a controversial issue. Thus far, numerous efforts have been devoted to separate active substances from edible fungus substrates and residues for high application value utilization. Building upon this, the main methods for extracting active substances from edible mushroom residues are reviewed, and the mechanisms, influencing factors, and trade-offs of the various methods are analysed. Furthermore, the existing and possible directions of utilization of the extracted active substances are reviewed and discussed. Finally, challenges and prospects for the extraction and utilization of different substances in edible fungus residues are proposed. This review provides an effective strategy for protecting the ecological environment and promoting the sustainable development of human society.
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Pérez-Chávez AM, Alberti MM, Albertó E. Evaluation of ligninolytic activity in spent mushroom substrate from four cultivated mushrooms. JOURNAL OF BIORESOURCES AND BIOPRODUCTS 2022. [DOI: 10.1016/j.jobab.2022.09.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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Zhou F, Hansen M, Hobley TJ, Jensen PR. Valorization of Green Biomass: Alfalfa Pulp as a Substrate for Oyster Mushroom Cultivation. Foods 2022; 11:foods11162519. [PMID: 36010519 PMCID: PMC9407111 DOI: 10.3390/foods11162519] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 08/13/2022] [Accepted: 08/18/2022] [Indexed: 12/04/2022] Open
Abstract
In this study, the potential of alfalfa pulp as an alternative substrate to wheat straw for the cultivation of oyster mushroom (Pleurotus ostreatus) was investigated. The major components associated with different mushroom stages were evaluated, as well as changes in lignocellulolytic enzyme activities in substrates composed of alfalfa pulp, wheat straw or a combination of both. Based on the results, alfalfa pulp was demonstrated to be a better substrate than wheat straw for the production of oyster mushrooms, with a high biological efficiency of 166.3 ± 25.4%. Compared to the cultivation period on commercial straw (31 days), a shorter lifecycle for oyster mushroom was found on alfalfa pulp (24 days), which could help to reduce the risk of contamination during industrial production. Study of the spent substrate as well as the harvested mushrooms revealed that the biological efficiency was related to the higher protein content (17.42%) in the alfalfa pulp compared to wheat straw, as well as greater degradation of cellulose (57.58%) and hemicellulose (56.60%). This was, by and large, due to greater extracellular hydrolytic and oxidative enzyme activity from the mushroom growth in the alfalfa pulp. The quality and safety of the fruiting bodies produced on alfalfa pulp was evaluated, which showed that the protein content was 20.4%, of which 46.3% was essential amino acids, and levels of trace elements and heavy metals were below acceptable limits. Hence, oyster mushroom cultivation using alfalfa pulp provides an alternative method to produce a value-added product, while reducing the biomass wastes in the green protein bio-refinery, and may contribute to sustainable growth in the agricultural industry.
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Mattila H, Österman-Udd J, Mali T, Lundell T. Basidiomycota Fungi and ROS: Genomic Perspective on Key Enzymes Involved in Generation and Mitigation of Reactive Oxygen Species. FRONTIERS IN FUNGAL BIOLOGY 2022; 3:837605. [PMID: 37746164 PMCID: PMC10512322 DOI: 10.3389/ffunb.2022.837605] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Accepted: 02/21/2022] [Indexed: 09/26/2023]
Abstract
Our review includes a genomic survey of a multitude of reactive oxygen species (ROS) related intra- and extracellular enzymes and proteins among fungi of Basidiomycota, following their taxonomic classification within the systematic classes and orders, and focusing on different fungal lifestyles (saprobic, symbiotic, pathogenic). Intra- and extracellular ROS metabolism-involved enzymes (49 different protein families, summing 4170 protein models) were searched as protein encoding genes among 63 genomes selected according to current taxonomy. Extracellular and intracellular ROS metabolism and mechanisms in Basidiomycota are illustrated in detail. In brief, it may be concluded that differences between the set of extracellular enzymes activated by ROS, especially by H2O2, and involved in generation of H2O2, follow the differences in fungal lifestyles. The wood and plant biomass degrading white-rot fungi and the litter-decomposing species of Agaricomycetes contain the highest counts for genes encoding various extracellular peroxidases, mono- and peroxygenases, and oxidases. These findings further confirm the necessity of the multigene families of various extracellular oxidoreductases for efficient and complete degradation of wood lignocelluloses by fungi. High variations in the sizes of the extracellular ROS-involved gene families were found, however, among species with mycorrhizal symbiotic lifestyle. In addition, there are some differences among the sets of intracellular thiol-mediation involving proteins, and existence of enzyme mechanisms for quenching of intracellular H2O2 and ROS. In animal- and plant-pathogenic species, extracellular ROS enzymes are absent or rare. In these fungi, intracellular peroxidases are seemingly in minor role than in the independent saprobic, filamentous species of Basidiomycota. Noteworthy is that our genomic survey and review of the literature point to that there are differences both in generation of extracellular ROS as well as in mechanisms of response to oxidative stress and mitigation of ROS between fungi of Basidiomycota and Ascomycota.
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Affiliation(s)
| | | | | | - Taina Lundell
- Department of Microbiology, Faculty of Agriculture and Forestry, Viikki Campus, University of Helsinki, Helsinki, Finland
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Namnuch N, Thammasittirong A, Thammasittirong SNR. Lignocellulose hydrolytic enzymes production by Aspergillus flavus KUB2 using submerged fermentation of sugarcane bagasse waste. Mycology 2020; 12:119-127. [PMID: 34026303 PMCID: PMC8128202 DOI: 10.1080/21501203.2020.1806938] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
Lignocellulosic wastes, rice straw, sugarcane bagasse, rice bran and sawdust, and pure commercial carboxymethyl cellulose (CMC) and xylan were used as substrates to cultivate cellulolytic fungus, Aspergillus flavus KUB2, in submerged fermentation at 30°C. Of all the substrates, sugarcane bagasse was a good source for the production of cellulolytic and also hemicellulolytic enzymes. The maximum activities of endoglucanase (CMCase), total cellulase (FPase) and xylanase using sugarcane bagasse as substrate were 8%, 75% and 165%, respectively, higher than those of the commercial substrates. The time course determination of enzyme production revealed that the highest CMCase (1.27 U/ml), FPase (0.72 U/ml) and xylanase (376.81 U/ml) activities were observed at 14 days of fermentation. Fourier transform infrared (FTIR) spectroscopy and scanning electron microscopy (SEM) analyses confirmed the efficient structural alteration of sugarcane bagasse caused by enzymatic actions during A. flavus KUB2 cultivation. Based on the results of the hydrolytic enzyme activities, FTIR and SEM, A. flavus KUB2 is suggested as an efficient hydrolytic enzymes producer and an effective lignocellulose degrader, while sugarcane bagasse can be applied as a low-cost carbon source for the economical production of lignocellulose hydrolytic enzymes by A. flavus KUB2.
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Affiliation(s)
- Nattida Namnuch
- Department of Microbiology, Faculty of Liberal Arts and Science, Kasetsart University, Nakhon Pathom, Thailand
| | - Anon Thammasittirong
- Department of Microbiology, Faculty of Liberal Arts and Science, Kasetsart University, Nakhon Pathom, Thailand.,Microbial Biotechnology Unit, Faculty of Liberal Arts and Science, Kasetsart University, Nakhon Pathom, Thailand
| | - Sutticha Na-Ranong Thammasittirong
- Department of Microbiology, Faculty of Liberal Arts and Science, Kasetsart University, Nakhon Pathom, Thailand.,Microbial Biotechnology Unit, Faculty of Liberal Arts and Science, Kasetsart University, Nakhon Pathom, Thailand
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Antunes F, Marçal S, Taofiq O, M. M. B. Morais A, Freitas AC, C. F. R. Ferreira I, Pintado M. Valorization of Mushroom By-Products as a Source of Value-Added Compounds and Potential Applications. Molecules 2020; 25:molecules25112672. [PMID: 32526879 PMCID: PMC7321189 DOI: 10.3390/molecules25112672] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Revised: 05/27/2020] [Accepted: 06/03/2020] [Indexed: 01/08/2023] Open
Abstract
Nowadays, the food sector is highly concerned with environmental issues and foreseen to develop strategies to reduce waste and losses resulting from activities developed in the food system. An approach is to increment added value to the agro-industrial wastes, which might provide economic growth and environmental protection, contributing to a circular economy. Mushroom by-products represent a disposal problem, but they are also promising sources of important compounds, which may be used due to their functional and nutritional properties. Research has been developed in different fields to obtain value added solutions for the by-products generated during mushroom production and processing. Bioactive compounds have been obtained and applied in the development of nutraceutical and pharmaceutical formulations. Additionally, other applications have been explored and include animal feed, fertilizer, bioremediation, energy production, bio-based materials, cosmetics and cosmeceuticals. The main purpose of this review is to highlight the relevant composition of mushroom by-products and discuss their potential as a source of functional compounds and other applications. Future research needs to explore pilot and industrial scale extraction methods to understand the technological feasibility and the economic sustainability of the bioactive compounds extraction and valorization towards different applications.
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Affiliation(s)
- Filipa Antunes
- CBQF–Centro de Biotecnologia e Química Fina–Laboratório Associado, Escola Superior de Biotecnologia, Universidade Católica Portuguesa, Rua Diogo Botelho 1327, 4169-005 Porto, Portugal; (F.A.); (S.M.); (A.M.M.B.M.); (A.C.F.)
| | - Sara Marçal
- CBQF–Centro de Biotecnologia e Química Fina–Laboratório Associado, Escola Superior de Biotecnologia, Universidade Católica Portuguesa, Rua Diogo Botelho 1327, 4169-005 Porto, Portugal; (F.A.); (S.M.); (A.M.M.B.M.); (A.C.F.)
| | - Oludemi Taofiq
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal; (O.T.); (I.C.F.R.F.)
| | - Alcina M. M. B. Morais
- CBQF–Centro de Biotecnologia e Química Fina–Laboratório Associado, Escola Superior de Biotecnologia, Universidade Católica Portuguesa, Rua Diogo Botelho 1327, 4169-005 Porto, Portugal; (F.A.); (S.M.); (A.M.M.B.M.); (A.C.F.)
| | - Ana Cristina Freitas
- CBQF–Centro de Biotecnologia e Química Fina–Laboratório Associado, Escola Superior de Biotecnologia, Universidade Católica Portuguesa, Rua Diogo Botelho 1327, 4169-005 Porto, Portugal; (F.A.); (S.M.); (A.M.M.B.M.); (A.C.F.)
| | - Isabel C. F. R. Ferreira
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal; (O.T.); (I.C.F.R.F.)
| | - Manuela Pintado
- CBQF–Centro de Biotecnologia e Química Fina–Laboratório Associado, Escola Superior de Biotecnologia, Universidade Católica Portuguesa, Rua Diogo Botelho 1327, 4169-005 Porto, Portugal; (F.A.); (S.M.); (A.M.M.B.M.); (A.C.F.)
- Correspondence:
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Economou CN, Philippoussis AN, Diamantopoulou PA. Spent mushroom substrate for a second cultivation cycle of Pleurotus mushrooms and dephenolization of agro-industrial wastewaters. FEMS Microbiol Lett 2020; 367:5817841. [DOI: 10.1093/femsle/fnaa060] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Accepted: 04/03/2020] [Indexed: 11/13/2022] Open
Abstract
ABSTRACT
Spent mushroom substrate (SMS) of Pleurotus ostreatus was supplemented with wheat bran and soybean flour and used as substrate for a new cultivation cycle of the oyster mushrooms Pleurotus ostreatus and Pleurotus pulmonarius. The bioconversion efficiency of mushrooms produced over substrate (BE%) used and the chemical composition of sporophores were evaluated. The concentration of mycelial mass, crude exopolysaccharide content and laccase enzyme activity were also determined at the supplemented SMS before inoculation, at 50% and 100% of colonization stages in the new cultivation and in the final re-utilized SMS. The laccase enzyme was extracted to examine SMS potential for the dephenolization of olive mill and winery wastewaters. Results showed that both Pleurotus species exhibited BE over 185%, demonstrating this bioprocess could represent a promising strategy to convert SMS into nutritional food. Data also indicate the strong positive impact that SMS could have in the solid wastes’ management and agribusiness enhancement.
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Affiliation(s)
- Christina N Economou
- Laboratory of Edible Fungi, Institute of Technology of Agricultural Products, Hellenic Agricultural Organization – Demeter, 1 Sofokli Venizelou Street, GR-14123 Lykovryssi, Attiki, Greece
- Department of Chemical Engineering, University of Patras, Rio, GR-26504 Patras, Greece
| | - Antonios N Philippoussis
- Laboratory of Edible Fungi, Institute of Technology of Agricultural Products, Hellenic Agricultural Organization – Demeter, 1 Sofokli Venizelou Street, GR-14123 Lykovryssi, Attiki, Greece
| | - Panagiota A Diamantopoulou
- Laboratory of Edible Fungi, Institute of Technology of Agricultural Products, Hellenic Agricultural Organization – Demeter, 1 Sofokli Venizelou Street, GR-14123 Lykovryssi, Attiki, Greece
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Huang W, Yuan H, Li X. Multi-perspective analyses of rice straw modification by Pleurotus ostreatus and effects on biomethane production. BIORESOURCE TECHNOLOGY 2020; 296:122365. [PMID: 31759858 DOI: 10.1016/j.biortech.2019.122365] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2019] [Revised: 10/31/2019] [Accepted: 11/01/2019] [Indexed: 06/10/2023]
Abstract
Multi-perspective analyses were carried out to investigate the effect of rice straw modification for 45 days by P. ostreatus on biomethane of production. The results showed that rice straw modified for 25 days achieved the highest biomethane yield of 269 mL·g-1 VS, which was a 26.9% improvement compared with non-modified rice straw. The multi-perspective analyses demonstrated that the improvement resulted from fungal enzymatic reactions, which led to changes in the physicochemical properties of rice straw. The porosity, surface area, acetyl group abundance, degree of polymerization, and lignin degradation selectivity of rice straw modified for 25 days were optimal for enzyme adsorption. Compared with non-modified rice straw, the adsorption of cellulase and xylanase on rice straw modified for 25 days was increased by 18.8% and 58.1%, respectively, which facilitated biomethane production. The study indicated that P. ostreatus is effective for improving biomethane production from rice straw.
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Affiliation(s)
- WenBo Huang
- Department of Environmental Science and Engineering, Beijing University of Chemical Technology, 15 Beisanhuan East Road, Chaoyang District, Beijing 100029, PR China
| | - HaiRong Yuan
- Department of Environmental Science and Engineering, Beijing University of Chemical Technology, 15 Beisanhuan East Road, Chaoyang District, Beijing 100029, PR China
| | - XiuJin Li
- Department of Environmental Science and Engineering, Beijing University of Chemical Technology, 15 Beisanhuan East Road, Chaoyang District, Beijing 100029, PR China.
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Liu B, Huang Q, Su Y, Sun L, Wu T, Wang G, Kelly RM. Rice busk biochar treatment to cobalt-polluted fluvo-aquic soil: speciation and enzyme activities. ECOTOXICOLOGY (LONDON, ENGLAND) 2019; 28:1220-1231. [PMID: 31720910 DOI: 10.1007/s10646-019-02134-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 11/02/2019] [Indexed: 06/10/2023]
Abstract
Rice busk biochar was mixed with cobalt (Co)-polluted soil to examine the efficacy of biochar for Co immobilization and detoxification in fluvo-aquic soil. The Co speciation (modified BCR sequential extraction), fluorescein diacetate (FDA) hydrolysis and soil enzyme activities were investigated. In soil, the Co ions (acid-soluble fraction) could be uptake by biochar due to the microporous structure on the surface, as well as the oxygen-containing functional groups and conjugated structure in the molecular structure. Therefore, when the biochar concentration was lower than the optimum concentration (~6 g·kg-1), there was transformation of Co from the acid-soluble fraction to the oxidizable fraction, resulting in lower environmental risk. However, if the biochar concentration continued increasing, the distribution coefficient of Co in the acid-soluble fraction increased (P < 0.05). The biochar could also reduce the toxicity of Co, resulting in the negative correlations between soil enzyme activities (FDA hydrolysis, urease and alkaline phosphatases) and Co in the acid-soluble fraction (r = -0.816, -0.928 and -0.908, respectively, P < 0.01). When the biochar concentration ranged from 5.83 to 6.76 g·kg-1, the efficacy for Co immobilization and detoxification reached the maxima. To conclude, in fluvo-aquic soil, rice busk biochar is an effective amendment for immobilizing Co ions and reducing the toxicity of Co. The biochar concentration in soil should range from 5.83 to 6.76 g·kg-1 to reach the optimum efficacy.
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Affiliation(s)
- Borui Liu
- School of Materials Science and Engineering, Beijing Institute of Technology, 100081, Beijing, China
| | - Qing Huang
- School of Materials Science and Engineering, Beijing Institute of Technology, 100081, Beijing, China.
| | - Yuefeng Su
- School of Materials Science and Engineering, Beijing Institute of Technology, 100081, Beijing, China
| | - Liuye Sun
- School of Materials Science and Engineering, Beijing Institute of Technology, 100081, Beijing, China
| | - Tong Wu
- School of Materials Science and Engineering, Beijing Institute of Technology, 100081, Beijing, China
| | - Guange Wang
- School of Materials Science and Engineering, Beijing Institute of Technology, 100081, Beijing, China
| | - Ryan M Kelly
- Rykell Scientific Editorial, LLC, Los Angeles, CA, USA
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Postemsky PD, Bidegain MA, Lluberas G, Lopretti MI, Bonifacino S, Inés Landache M, Zygadlo JA, Fernández-Lahore M, Omarini AB. Biorefining via solid-state fermentation of rice and sunflower by-products employing novel monosporic strains from Pleurotus sapidus. BIORESOURCE TECHNOLOGY 2019; 289:121692. [PMID: 31265963 DOI: 10.1016/j.biortech.2019.121692] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2019] [Revised: 06/18/2019] [Accepted: 06/19/2019] [Indexed: 06/09/2023]
Abstract
Pleurotus sapidus monokaryotic strains (Mk) were screened as a novel source of mycelia to valorize rice straw (RS), rice husks (RH) and sunflower seed hulls (SSH) into value-added products through solid-state fermentation (SSF). P. sapidus Dk3174 basidiospores were cultured in the presence of Remazol Brillant Blue R for strain selection, revealing the ligninolytic ability of emerging colonies. Further screening demonstrated the intraspecific variability in dye degradation and enzyme production of 63 strains. Growth rate, biomass and enzyme production in plates containing RS, RH or SSH pointed at MkP6 as a suitable strain for pilot-scale SSF. MkP6 presented a similar laccase profile as the parental Dk3174, being greater in pasteurized substrates (300-1200 U/Kg) than in sterilized substrates (30-250 U/Kg). Peroxidase represented 25% of the total ligninolytic activity measured. The SSH fermented biomass with MkP6 obtained good yields of nanocellulose (67%) and the saccharide release for ethanol production increased by 3-4 times.
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Affiliation(s)
- Pablo D Postemsky
- Laboratory of Biotechnology of Edible and Medicinal Mushrooms, Centro de Recursos Naturales Renovables de la Zona Semiárida (CERZOS-UNS/CONICET), Camino de La Carrindaga Km7, 8000 Bahía Blanca, Buenos Aires, Argentina
| | - Maximiliano A Bidegain
- Laboratory of Biotechnology of Edible and Medicinal Mushrooms, Centro de Recursos Naturales Renovables de la Zona Semiárida (CERZOS-UNS/CONICET), Camino de La Carrindaga Km7, 8000 Bahía Blanca, Buenos Aires, Argentina
| | - Gabriela Lluberas
- Universidad de la República (UdelaR), Facultad de Ciencias, CIN, Mataojos s/n, Malvin Norte, Montevideo, 11200 Montevideo, Uruguay
| | - Mary I Lopretti
- Universidad de la República (UdelaR), Facultad de Ciencias, CIN, Mataojos s/n, Malvin Norte, Montevideo, 11200 Montevideo, Uruguay
| | - Silvana Bonifacino
- Universidad de la República (UdelaR), Facultad de Ciencias, CIN, Mataojos s/n, Malvin Norte, Montevideo, 11200 Montevideo, Uruguay
| | - María Inés Landache
- Downstream Bioprocessing Laboratory, Jacobs University Bremen gGmbH, Campus Ring 1, 28759 Bremen, Germany
| | - Julio A Zygadlo
- Instituto Multidisciplinario de Biología Vegetal, IMBIV-UNC/CONICET, Av. Vélez Sarsfield 1611, X5016GCA Córdoba, Argentina
| | - Marcelo Fernández-Lahore
- Downstream Bioprocessing Laboratory, Jacobs University Bremen gGmbH, Campus Ring 1, 28759 Bremen, Germany
| | - Alejandra B Omarini
- Instituto de Ciencias de la Tierra y Ambientales de La Pampa, INCITAP-UNLPam/CONICET, Mendoza 109, L6300DUG Santa Rosa, La Pampa, Argentina.
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Calabi-Floody M, Medina J, Suazo J, Ordiqueo M, Aponte H, Mora MDLL, Rumpel C. Optimization of wheat straw co-composting for carrier material development. WASTE MANAGEMENT (NEW YORK, N.Y.) 2019; 98:37-49. [PMID: 31425837 DOI: 10.1016/j.wasman.2019.07.041] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/18/2019] [Revised: 07/28/2019] [Accepted: 07/30/2019] [Indexed: 06/10/2023]
Abstract
In modern agriculture large amounts of harvesting residues are produced each year due to the increase of agricultural activities in order to maintain food production for the growing population. The development of innovative fertilizers, able to satisfy nutrient needs without adverse effects on the environment. In order to allow for effective production of a carrier material for smart fertilizers, the objective of this study is to propose a statistical method to optimize the water holding capacity (WHC) and organic matter stability properties of co-composted wheat straw (WS) by using a multi response method. We varied WS size (<1, 1-2, >2 cm), charge of Trichoderma harzianum (0, 7 and 14 discs), and nitrogen addition (0, 0.95 and 1.95 g kg-1). Optimized carrier material was characterized by a higher porosity (WHC 91.7%) than raw WS, associated to structural changes and slightly increased stability as indicated by C:N ratio of the 59.5, slightly alkaline (pH ∼ 8.0), with high OM structural complexity (E4:E6 ∼ 7,9) and enhanced sorption properties (total acidity ∼ 11.6). We conclude that the optimal treatment included co-composting of WS with fine particle size (<1 cm), with a charge of T. harzianum (14 discs), and 0.98 g kg-1 of NH4NO3 to obtain a suitable WS carrier material with high possibility to improve nutrient and water holding capacity in soil.
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Affiliation(s)
- Marcela Calabi-Floody
- Nano-biotechnology Laboratory, Universidad de La Frontera, Temuco, Chile; Center of Plant, Soil Interaction and Natural Resources Biotechnology, Scientific and Biotechnological Bioresource Nucleus, BIOREN-UFRO, Av. Francisco Salazar 01145, Universidad de La Frontera, Temuco, Chile.
| | - Jorge Medina
- Centro de Investigación en Micorrizas y Sustentabilidad Agroambiental (CIMYSA), Scientific and Technological Bioresources Nucleus-BIOREN, Universidad de La Frontera, Temuco, Chile
| | - Jonathan Suazo
- Nano-biotechnology Laboratory, Universidad de La Frontera, Temuco, Chile; Center of Plant, Soil Interaction and Natural Resources Biotechnology, Scientific and Biotechnological Bioresource Nucleus, BIOREN-UFRO, Av. Francisco Salazar 01145, Universidad de La Frontera, Temuco, Chile
| | - Manuel Ordiqueo
- Nano-biotechnology Laboratory, Universidad de La Frontera, Temuco, Chile
| | - Humberto Aponte
- Centro de Investigación en Micorrizas y Sustentabilidad Agroambiental (CIMYSA), Scientific and Technological Bioresources Nucleus-BIOREN, Universidad de La Frontera, Temuco, Chile
| | - María de La Luz Mora
- Center of Plant, Soil Interaction and Natural Resources Biotechnology, Scientific and Biotechnological Bioresource Nucleus, BIOREN-UFRO, Av. Francisco Salazar 01145, Universidad de La Frontera, Temuco, Chile
| | - Cornelia Rumpel
- CNRS, Institute for Ecology and Environmental Sciences IEES (UMR 7618, CNRS-UPMC-UPEC-IRD-INRA), Thiverval-Grignon, France
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Huang W, Wachemo AC, Yuan H, Li X. Modification of corn stover for improving biodegradability and anaerobic digestion performance by Ceriporiopsis subvermispora. BIORESOURCE TECHNOLOGY 2019; 283:76-85. [PMID: 30901591 DOI: 10.1016/j.biortech.2019.02.035] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Revised: 02/03/2019] [Accepted: 02/06/2019] [Indexed: 06/09/2023]
Abstract
Ceriporiopsis subvermispora was used to modify corn stover for improving the biodegradability and biomethane yield. Corn stover was incubated with C. subvermispora for 5-90 days then anaerobically digested. It was found that the corn stover modified for 15 days achieved the highest biomethane yield of 235 mL·g-1 VS, which was an increase of 15.2% over that of the non-modified one. The mechanism analyses indicated that the improvement resulted from the combined roles of degradation selectivity, destruction of lignocellulosic structures, and linkages. The analyses showed that C. subvermispora has a high relative selectivity of lignin degradation. The structure of the lignin and the linkages among lignin and hemicellulose and cellulose were broken obviously by acetyl group removal, and the enzymatic hydrolysis of cellulose was increased by 35.61%. The finding indicated that C. subvermispora modification is one of the effective methods for enhancing biomethane yield of corn stover.
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Affiliation(s)
- WenBo Huang
- Department of Environmental Science and Engineering, Beijing University of Chemical Technology, 15 Beisanhuan East Road, Chaoyang District, Beijing 100029, PR China
| | - Akiber Chufo Wachemo
- Department of Environmental Science and Engineering, Beijing University of Chemical Technology, 15 Beisanhuan East Road, Chaoyang District, Beijing 100029, PR China; Faculty of Water Supply and Environmental Engineering, Arba Minch University, P.O.Box 21, Arba Minch, Ethiopia
| | - HaiRong Yuan
- Department of Environmental Science and Engineering, Beijing University of Chemical Technology, 15 Beisanhuan East Road, Chaoyang District, Beijing 100029, PR China
| | - XiuJin Li
- Department of Environmental Science and Engineering, Beijing University of Chemical Technology, 15 Beisanhuan East Road, Chaoyang District, Beijing 100029, PR China.
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Liu B, Huang Q, Su Y, Xue Q, Sun L. Cobalt speciation and phytoavailability in fluvo-aquic soil under treatments of spent mushroom substrate from Pleurotus ostreatus. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:7486-7496. [PMID: 30659482 DOI: 10.1007/s11356-018-04080-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2018] [Accepted: 12/27/2018] [Indexed: 06/09/2023]
Abstract
Cobalt (Co) is a nutrient for soil microorganisms and crops, as well as a worldwide industrial pollutant. When the level of Co exceeds the acceptable limit, this heavy metal can lead to devastating consequences for soil environments. There is considerable attention and concern about elevated levels of Co contaminating soil and crops. Spent mushroom substrate (SMS) is a potential amendment for the adsorption of pollutants, which has potential for resolving Co-polluted soil that spans the world. To investigate the environmental behavior and risks associated with Co in fluvo-aquic soil under specific treatments of SMS from Pleurotus ostreatus, a lab-scale pot experiment was conducted. SMS and exogenous Co were added to soil, which was retained for approximately 30 days. Pakchois (Brassica chinensis L.) were planted in the treated soil for 28 days until harvest. The Co speciation in soil (modified BCR sequential extraction) and Co accumulation in pakchoi tissue were studied. When the SMS concentration was within a range of 0 to 9 g kg-1 (total amount = 0 to 2.7 g), Co in the acid-soluble fraction was transformed to the oxidizable fraction in soil, resulting from the mesh structure on the surface of SMS, as well as the amide and carboxyl in the SMS molecular structure. In this situation, the Co accumulation levels in the pakchois decreased significantly (P < 0.05), indicating the efficacy of SMS for reducing Co phytoavailability. However, when the SMS concentration reached 12 g kg-1, the phytoavailability increased again (P < 0.05). When the SMS concentration ranged from 8.86 to 9.51 g kg-1, the Co phytoavailability in soil reached a minimum, while the biomass of pakchoi reached a maximum. Conclusively, SMS from Pleurotus ostreatus are effective for reducing the Co phytoavailability, as well as for reducing the chance of Co transferring into a human's body through crops (i.e., food consumption). In order to achieve the optimum efficacy, the SMS concentration in soil should be maintained at a range of 8.86 to 9.51 g kg-1.
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Affiliation(s)
- Borui Liu
- School of Materials Science and Engineering, Beijing Institute of Technology, Room 907-4, Teaching Building No. 5, 5th Zhongguancun South Street, Haidian District, Beijing, 100081, China
| | - Qing Huang
- School of Materials Science and Engineering, Beijing Institute of Technology, Room 907-4, Teaching Building No. 5, 5th Zhongguancun South Street, Haidian District, Beijing, 100081, China.
| | - Yuefeng Su
- School of Materials Science and Engineering, Beijing Institute of Technology, Room 907-4, Teaching Building No. 5, 5th Zhongguancun South Street, Haidian District, Beijing, 100081, China
| | - Qianhui Xue
- School of Materials Science and Engineering, Beijing Institute of Technology, Room 907-4, Teaching Building No. 5, 5th Zhongguancun South Street, Haidian District, Beijing, 100081, China
| | - Liuye Sun
- School of Materials Science and Engineering, Beijing Institute of Technology, Room 907-4, Teaching Building No. 5, 5th Zhongguancun South Street, Haidian District, Beijing, 100081, China
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Adsorption Thermodynamics and Dynamics of Three Typical Dyes onto Bio-adsorbent Spent Substrate of Pleurotus eryngii. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2019; 16:ijerph16050679. [PMID: 30813535 PMCID: PMC6427265 DOI: 10.3390/ijerph16050679] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/08/2019] [Revised: 02/16/2019] [Accepted: 02/21/2019] [Indexed: 02/06/2023]
Abstract
Dyeing wastewater is very hard to treat, and adsorption could be a good choice. Spent substrate of Pleurotus eryngii (SSPE) was first used to adsorb malachite green, safranine T and methylene blue from aqueous solutions, and the corresponding adsorption isotherm, thermodynamics and dynamics models were simulated. More than 93% of the dyes were removed with solutions with 100 mg/L of initial dye concentration, 1 g of SSPE and pH of 6.0 after adsorption for 4 h. Freundlich isotherm models fit better the adsorption data than Langmuir models. Adsorption of the dyes onto SSPE was a spontaneous exothermic process based on an adsorption thermodynamics model. SSPE could adsorb the dyes rapidly, and a second-order kinetics model fit better with the adsorption data than a pseudo first-order kinetics model. Accordingly, SSPE could be a good bio-adsorbent for the removal of malachite green, safranine T and methylene blue from the aqueous solution.
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Basic Mechanism of Lignocellulose Mycodegradation. Fungal Biol 2019. [DOI: 10.1007/978-3-030-23834-6_1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Coelho-Moreira JDS, Brugnari T, Sá-Nakanishi AB, Castoldi R, de Souza CG, Bracht A, Peralta RM. Evaluation of diuron tolerance and biotransformation by the white-rot fungus Ganoderma lucidum. Fungal Biol 2018; 122:471-478. [DOI: 10.1016/j.funbio.2017.10.008] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2017] [Revised: 10/15/2017] [Accepted: 10/19/2017] [Indexed: 10/18/2022]
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Pereira GS, Cipriani M, Wisbeck E, Souza O, Strapazzon JO, Gern RM. Onion juice waste for production of Pleurotus sajor-caju and pectinases. FOOD AND BIOPRODUCTS PROCESSING 2017. [DOI: 10.1016/j.fbp.2017.08.006] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Borin GP, Sanchez CC, de Santana ES, Zanini GK, Dos Santos RAC, de Oliveira Pontes A, de Souza AT, Dal'Mas RMMTS, Riaño-Pachón DM, Goldman GH, Oliveira JVDC. Comparative transcriptome analysis reveals different strategies for degradation of steam-exploded sugarcane bagasse by Aspergillus niger and Trichoderma reesei. BMC Genomics 2017; 18:501. [PMID: 28666414 PMCID: PMC5493111 DOI: 10.1186/s12864-017-3857-5] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2016] [Accepted: 06/09/2017] [Indexed: 12/12/2022] Open
Abstract
Background Second generation (2G) ethanol is produced by breaking down lignocellulosic biomass into fermentable sugars. In Brazil, sugarcane bagasse has been proposed as the lignocellulosic residue for this biofuel production. The enzymatic cocktails for the degradation of biomass-derived polysaccharides are mostly produced by fungi, such as Aspergillus niger and Trichoderma reesei. However, it is not yet fully understood how these microorganisms degrade plant biomass. In order to identify transcriptomic changes during steam-exploded bagasse (SEB) breakdown, we conducted a RNA-seq comparative transcriptome profiling of both fungi growing on SEB as carbon source. Results Particular attention was focused on CAZymes, sugar transporters, transcription factors (TFs) and other proteins related to lignocellulose degradation. Although genes coding for the main enzymes involved in biomass deconstruction were expressed by both fungal strains since the beginning of the growth in SEB, significant differences were found in their expression profiles. The expression of these enzymes is mainly regulated at the transcription level, and A. niger and T. reesei also showed differences in TFs content and in their expression. Several sugar transporters that were induced in both fungal strains could be new players on biomass degradation besides their role in sugar uptake. Interestingly, our findings revealed that in both strains several genes that code for proteins of unknown function and pro-oxidant, antioxidant, and detoxification enzymes were induced during growth in SEB as carbon source, but their specific roles on lignocellulose degradation remain to be elucidated. Conclusions This is the first report of a time-course experiment monitoring the degradation of pretreated bagasse by two important fungi using the RNA-seq technology. It was possible to identify a set of genes that might be applied in several biotechnology fields. The data suggest that these two microorganisms employ different strategies for biomass breakdown. This knowledge can be exploited for the rational design of enzymatic cocktails and 2G ethanol production improvement. Electronic supplementary material The online version of this article (doi:10.1186/s12864-017-3857-5) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Gustavo Pagotto Borin
- Laboratório Nacional de Ciência e Tecnologia do Bioetanol (CTBE), Centro Nacional de Pesquisa em Energia e Materiais (CNPEM), Av Giuseppe Maximo Scolfaro 10000, Campinas, São Paulo, Caixa Postal 6170, 13083-970, Brazil
| | - Camila Cristina Sanchez
- Laboratório Nacional de Ciência e Tecnologia do Bioetanol (CTBE), Centro Nacional de Pesquisa em Energia e Materiais (CNPEM), Av Giuseppe Maximo Scolfaro 10000, Campinas, São Paulo, Caixa Postal 6170, 13083-970, Brazil
| | - Eliane Silva de Santana
- Laboratório Nacional de Ciência e Tecnologia do Bioetanol (CTBE), Centro Nacional de Pesquisa em Energia e Materiais (CNPEM), Av Giuseppe Maximo Scolfaro 10000, Campinas, São Paulo, Caixa Postal 6170, 13083-970, Brazil
| | - Guilherme Keppe Zanini
- Laboratório Nacional de Ciência e Tecnologia do Bioetanol (CTBE), Centro Nacional de Pesquisa em Energia e Materiais (CNPEM), Av Giuseppe Maximo Scolfaro 10000, Campinas, São Paulo, Caixa Postal 6170, 13083-970, Brazil
| | - Renato Augusto Corrêa Dos Santos
- Laboratório Nacional de Ciência e Tecnologia do Bioetanol (CTBE), Centro Nacional de Pesquisa em Energia e Materiais (CNPEM), Av Giuseppe Maximo Scolfaro 10000, Campinas, São Paulo, Caixa Postal 6170, 13083-970, Brazil
| | - Angélica de Oliveira Pontes
- Laboratório Nacional de Ciência e Tecnologia do Bioetanol (CTBE), Centro Nacional de Pesquisa em Energia e Materiais (CNPEM), Av Giuseppe Maximo Scolfaro 10000, Campinas, São Paulo, Caixa Postal 6170, 13083-970, Brazil
| | - Aline Tieppo de Souza
- Laboratório Nacional de Ciência e Tecnologia do Bioetanol (CTBE), Centro Nacional de Pesquisa em Energia e Materiais (CNPEM), Av Giuseppe Maximo Scolfaro 10000, Campinas, São Paulo, Caixa Postal 6170, 13083-970, Brazil
| | - Roberta Maria Menegaldo Tavares Soares Dal'Mas
- Laboratório Nacional de Ciência e Tecnologia do Bioetanol (CTBE), Centro Nacional de Pesquisa em Energia e Materiais (CNPEM), Av Giuseppe Maximo Scolfaro 10000, Campinas, São Paulo, Caixa Postal 6170, 13083-970, Brazil
| | - Diego Mauricio Riaño-Pachón
- Laboratório Nacional de Ciência e Tecnologia do Bioetanol (CTBE), Centro Nacional de Pesquisa em Energia e Materiais (CNPEM), Av Giuseppe Maximo Scolfaro 10000, Campinas, São Paulo, Caixa Postal 6170, 13083-970, Brazil.,Current address: Laboratório de Biologia de Sistemas Regulatórios, Instituto de Química, Universidade de São Paulo, Av. Prof. Lineu Prestes, 748 - Butantã - São Paulo - SP, São Paulo, CEP 05508-000, Brazil
| | - Gustavo Henrique Goldman
- Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Av do Café S/N, Ribeirão Preto, CEP, São Paulo, 14040-903, Brazil
| | - Juliana Velasco de Castro Oliveira
- Laboratório Nacional de Ciência e Tecnologia do Bioetanol (CTBE), Centro Nacional de Pesquisa em Energia e Materiais (CNPEM), Av Giuseppe Maximo Scolfaro 10000, Campinas, São Paulo, Caixa Postal 6170, 13083-970, Brazil.
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