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Microbial synergy in vermicomposting: Characterization of bio-chemically enriched vermiwash from agricultural waste 蚯蚓堆肥中的微生物协同作用:农业废弃物中生化富集蚯蚓洗的特性
Bioresource Technology Reports Pub Date : 2025-07-02 DOI: 10.1016/j.biteb.2025.102205
Aarush Lal , M.S. Sailajakumari , B. Rani , B. Aparna , N. Chitra , Naveen Leno
{"title":"Microbial synergy in vermicomposting: Characterization of bio-chemically enriched vermiwash from agricultural waste","authors":"Aarush Lal ,&nbsp;M.S. Sailajakumari ,&nbsp;B. Rani ,&nbsp;B. Aparna ,&nbsp;N. Chitra ,&nbsp;Naveen Leno","doi":"10.1016/j.biteb.2025.102205","DOIUrl":"10.1016/j.biteb.2025.102205","url":null,"abstract":"<div><div>Sustainable management and utilization of crop residues such as paddy stubble poses a practically substantial challenge for farming communities globally due to limited exploitation routes. Rice straw, rice husk, banana pseudostem and <em>Gliricidia sepium</em> leaves biomasss was subjected to rapid vermicomposting in varying weight proportions by utilizing <em>Eudrilus eugeniae</em> and fungal decomposer consortium, followed by vermiwash extraction. Rice straw + banana pseudostem combination vermiwash registered the highest nitrogen, potassium, copper, silicon and sulphur values, while calcium and magnesium content was on par with the best treatment. Banana pseudostem vermiwash exhibited peak iron and zinc levels. Microbial enumeration revealed the highest bacterial and actinomycetes load in paddy waste dominant combinations. While fungal population was significantly higher in <em>Gliricidia sepium</em> leaves vermiwash. The study ratiocinates vermiwash production as a viable bio-resource harnessing technology for paddy cultivation waste management and fortified bio-stimulant production with scope for commercial exploitation within feasible margins.</div></div>","PeriodicalId":8947,"journal":{"name":"Bioresource Technology Reports","volume":"31 ","pages":"Article 102205"},"PeriodicalIF":0.0,"publicationDate":"2025-07-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144556696","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Activated coke-based cathode to improve the efficiency of continuous up-flow constructed wetland-microbial carbon-capture cell 活性炭基阴极提高连续上流式人工湿地-微生物碳捕集池效率
Bioresource Technology Reports Pub Date : 2025-07-02 DOI: 10.1016/j.biteb.2025.102200
Santosh Kumar , Akash Tripathi , Gourav Dhar Bhowmick , Makarand M. Ghangrekar
{"title":"Activated coke-based cathode to improve the efficiency of continuous up-flow constructed wetland-microbial carbon-capture cell","authors":"Santosh Kumar ,&nbsp;Akash Tripathi ,&nbsp;Gourav Dhar Bhowmick ,&nbsp;Makarand M. Ghangrekar","doi":"10.1016/j.biteb.2025.102200","DOIUrl":"10.1016/j.biteb.2025.102200","url":null,"abstract":"<div><div>This investigation evaluated the continuous up-flow algae-assisted constructed wetland-microbial carbon-capture cell (CW-MCC) with activated coke-based cathode for wastewater treatment and power recovery. The performance of CW-MCC–1 (with activated coke-based cathode and carbon-felt anode) was compared to CW-MCC–2 (with carbon-felt as cathode and anode), while operating under ambient conditions and fed with municipal wastewater. The CW-MCC–1 showed superior maximum power density (143.41 ± 7.09 mW/m<sup>3</sup>) than CW-MCC–2 (96.64 ± 3.54 mW/m<sup>3</sup>). The CW-MCC–1 also outperformed CW-MCC–2 for wastewater treatment by attaining an average COD, NH<sub>4</sub><sup>+</sup>–N, NO<sub>3</sub><sup>−</sup>–N, and PO<sub>4</sub><sup>3−</sup>–P removal efficiency of 92.5 ± 3.4, 87.7 ± 7.5, 78.3 ± 9.3, and 89.7 ± 6.7 %, respectively. Hence, the present investigation supports the application of activated coke-based cathode in CW-MCC for efficient wastewater treatment and power recovery. The improved oxygen reduction reaction (ORR) kinetics attributed to porous structure, presence of metal dopants, and elevated dissolved oxygen from algal cultivation in catholyte further advocate the application of activated coke cathode in CW-MCC.</div></div>","PeriodicalId":8947,"journal":{"name":"Bioresource Technology Reports","volume":"31 ","pages":"Article 102200"},"PeriodicalIF":0.0,"publicationDate":"2025-07-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144536132","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Adaptation of the anaerobic microbiome for in-situ power-to-CH4 processes through fuzzy logic control of H2 input 通过H2输入的模糊逻辑控制厌氧微生物群对原位动力制甲烷过程的适应
Bioresource Technology Reports Pub Date : 2025-07-01 DOI: 10.1016/j.biteb.2025.102194
Pascal Otto , Philipp Witkabel , Maximilian Barth , Aziz Ben Ammar , Benjamin Rocktaeschel , Daniel Torrent , Adriel Latorre-Pérez , Maximilian Krause , Christian Abendroth
{"title":"Adaptation of the anaerobic microbiome for in-situ power-to-CH4 processes through fuzzy logic control of H2 input","authors":"Pascal Otto ,&nbsp;Philipp Witkabel ,&nbsp;Maximilian Barth ,&nbsp;Aziz Ben Ammar ,&nbsp;Benjamin Rocktaeschel ,&nbsp;Daniel Torrent ,&nbsp;Adriel Latorre-Pérez ,&nbsp;Maximilian Krause ,&nbsp;Christian Abendroth","doi":"10.1016/j.biteb.2025.102194","DOIUrl":"10.1016/j.biteb.2025.102194","url":null,"abstract":"<div><div>This study presents the first application of fuzzy logic control (FLC) for regulating in-situ biological methanation via H<sub>2</sub> injection in a fixed-bed reactor. Given the role of CH<sub>4</sub> as a storable and infrastructure-compatible energy carrier, the aim was to improve CH<sub>4</sub> production by dynamically adapting the H<sub>2</sub> supply to the metabolic capacity of the microbiome. This will pave the way for the biological utilisation and storage of renewable H<sub>2</sub>. Over a 226-day operational period, H<sub>2</sub> input was gradually increased based on real-time headspace gas measurements. Coupling the gradual increase in H<sub>2</sub> supply with real-time gas composition data allowed the microbiome to adapt dynamically to changing process conditions. This approach led to a 49 % increase in CH<sub>4</sub> concentration, from 58.4 % to 87.0 %, and improved H<sub>2</sub> conversion rates from 98.2 % to 99.0 %. Chemical analyses of COD, organic acids and nitrogen were performed, as well as taxonomic analyses using 16S rRNA sequencing, and multivariate methods were applied to confirm the adaptation of the microbiome to the FLC H<sub>2</sub> injection. The adopted microbial community was dominated by strictly hydrogenotrophic methanogens, <em>Methanoculleus</em> and <em>Methanobacterium</em>, while increased abundances of <em>Petrimonas</em>, <em>Rectinema</em>, <em>Syntrophomonas</em>, and <em>Geobacter</em> indicate interspecies H<sub>2</sub> transfer and syntrophic cooperation enhancing methanogenesis. These findings demonstrate that FLC-based H<sub>2</sub> control enables dynamic adjustment of in-situ methanation, optimising the interaction between hydrogenogenic, fermentative, syntrophic acetate-oxidising, and hydrogenotrophic microorganisms. This work introduces an adaptive control strategy that supports stable and efficient bio-CH<sub>4</sub> production and represents a significant advance in the field of power-to-gas technologies.</div></div>","PeriodicalId":8947,"journal":{"name":"Bioresource Technology Reports","volume":"31 ","pages":"Article 102194"},"PeriodicalIF":0.0,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144588257","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Syngas biomethanation using trickle bed reactor, impact of external hydrogen addition at high loading rate 滴流床反应器合成气生物甲烷化研究高负荷下外加氢的影响
Bioresource Technology Reports Pub Date : 2025-06-30 DOI: 10.1016/j.biteb.2025.102197
Begüm Bilgiç , Thea Os Andersen , Getachew Birhanu Abera , Michal Sposób , Lu Feng , Svein Jarle Horn
{"title":"Syngas biomethanation using trickle bed reactor, impact of external hydrogen addition at high loading rate","authors":"Begüm Bilgiç ,&nbsp;Thea Os Andersen ,&nbsp;Getachew Birhanu Abera ,&nbsp;Michal Sposób ,&nbsp;Lu Feng ,&nbsp;Svein Jarle Horn","doi":"10.1016/j.biteb.2025.102197","DOIUrl":"10.1016/j.biteb.2025.102197","url":null,"abstract":"<div><div>Syngas biomethanation represents a promising pathway to convert recalcitrant feedstocks into biomethane. However, the hydrogen (H<sub>2</sub>) content in syngas is often insufficient or fluctuates, which affects the overall performance. This study evaluated the effect of H<sub>2</sub> addition on syngas conversion efficiency and microbial community dynamics using two trickle bed reactors (TBRs). One TBR was fed with syngas, while another received syngas supplemented with H<sub>2</sub>. Both TBRs demonstrated the feasibility of converting CO from syngas to methane, with the H<sub>2</sub> supplemented TBR outperforming the syngas-only TBR. The H<sub>2</sub> supplemented TBR achieved over 90 % conversion rate at a gas loading rate of 15 NL/L<sub>reactor</sub>/d and reached peak methane production at a gas loading rate at 20 NL/L<sub>reactor</sub>/d. Microbial community structure analysis revealed a dominance of <em>Methanobacterium</em>, a known thermophilic hydrogenotrophic methanogen. Although H<sub>2</sub> addition enhanced performance, a decline in conversion efficiency at higher gas loading rates highlights the need for further optimization.</div></div>","PeriodicalId":8947,"journal":{"name":"Bioresource Technology Reports","volume":"31 ","pages":"Article 102197"},"PeriodicalIF":0.0,"publicationDate":"2025-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144556698","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Eco-innovation in action: Using rice husk-derived silica for highly dispersed iron catalysts in the oxidation of phenol 生态创新在行动:使用稻壳衍生的二氧化硅作为苯酚氧化中高度分散的铁催化剂
Bioresource Technology Reports Pub Date : 2025-06-29 DOI: 10.1016/j.biteb.2025.102202
Yury M. Peralta , Rafael Molina , Alejandro Pérez , Sonia Moreno
{"title":"Eco-innovation in action: Using rice husk-derived silica for highly dispersed iron catalysts in the oxidation of phenol","authors":"Yury M. Peralta ,&nbsp;Rafael Molina ,&nbsp;Alejandro Pérez ,&nbsp;Sonia Moreno","doi":"10.1016/j.biteb.2025.102202","DOIUrl":"10.1016/j.biteb.2025.102202","url":null,"abstract":"<div><div>Highly dispersed iron catalysts on rice husk silica are obtained by deposition-precipitation assisted by hydrolysis with urea, controlling the hydrolysis (OH/metal molar ratio 5:1) up to pH 4.5 and low load of Fe<sup>3+</sup> as active phase (0.25–5 %). X-ray diffraction analysis presumes a good dispersion of the metallic phase, while H<sub>2</sub> temperature-programmed reduction suggests a reducibility from 49 to 100 % (5 to 0.25%wt Fe). Thermogravimetric analysis reveals good thermal stability of the catalysts. The IR analysis evidences the ≡Si-O-Fe interaction through a reduction in the bands of silanol groups, and an <em>in situ</em> diffuse reflectance infrared spectroscopy study with carbon monoxide on the reduced catalysts confirms the high dispersion of the metal phase in the catalysts. The catalytic activity was investigated in the wet oxidation reaction of phenol (5 × 10<sup>−4</sup> M) with H<sub>2</sub>O<sub>2</sub>. The catalysts achieve phenol conversions &gt;80 % and high selectivity to CO<sub>2</sub> (37–52 %) in just 20 min, which greatly exceeds the catalyst obtained by conventional impregnation, which only achieves 54 % conversion and 26 % selectivity.</div></div>","PeriodicalId":8947,"journal":{"name":"Bioresource Technology Reports","volume":"31 ","pages":"Article 102202"},"PeriodicalIF":0.0,"publicationDate":"2025-06-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144513992","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Comparative optimization of apple pomace pretreatment conditions to maximize sugar generation for dark fermentative biohydrogen production 苹果渣预处理条件的比较优化,以最大限度地提高暗发酵产氢的产糖量
Bioresource Technology Reports Pub Date : 2025-06-28 DOI: 10.1016/j.biteb.2025.102191
Umar Muazu Yunusa , Ilgi Karapinar
{"title":"Comparative optimization of apple pomace pretreatment conditions to maximize sugar generation for dark fermentative biohydrogen production","authors":"Umar Muazu Yunusa ,&nbsp;Ilgi Karapinar","doi":"10.1016/j.biteb.2025.102191","DOIUrl":"10.1016/j.biteb.2025.102191","url":null,"abstract":"<div><div>Emerging pretreatment techniques like autoclave-assisted extraction (AAE), heat-assisted extraction (HAE), and ultrasound-assisted extraction (UAE), which utilize water instead of organic solvents, are particularly attractive due to their minimal energy requirements and reduced environmental impact. The Box–Behnken design was employed to optimize the operational parameters for AAE, HAE, and UAE, resulting in total sugar (TS) yields of 0.39, 0.54, and 0.53 g/g of dry apple pomace, respectively. The HAE showed higher TS and micronutrient yields and lower concentrations of inhibitors, and fermentation was conducted with apple pomace hydrolysate (APH) produced under HAE against glucose employing <em>Clostridium tyrobutyricum</em>. Biohydrogen, lactic, acetic, propionic, and butyric acids were monitored daily. The hydrogen production rates were 433.92 mL/L·day for glucose and 744.51 mL/L·day for APH. <em>Re</em>-assimilation of acetic acid contribute to increased butyric acid production. The findings highlight apple pomace as feedstock for biohydrogen and butyric acid production, supporting waste valorization and carbon neutrality.</div></div>","PeriodicalId":8947,"journal":{"name":"Bioresource Technology Reports","volume":"31 ","pages":"Article 102191"},"PeriodicalIF":0.0,"publicationDate":"2025-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144549179","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Deep eutectic solvents (DESs) in lignocellulosic biomass pretreatment: Mechanisms and process optimization 木质纤维素生物质预处理中的深度共晶溶剂(DESs):机理和工艺优化
Bioresource Technology Reports Pub Date : 2025-06-27 DOI: 10.1016/j.biteb.2025.102190
Nida Arshad , Elizabeth Jayex Panakkal , Aiya Chantarasiri , Peerapong Pornwongthong , Hassan El Bari , Widya Fatriasari , Prapakorn Tantayotai , Malinee Sriariyanun
{"title":"Deep eutectic solvents (DESs) in lignocellulosic biomass pretreatment: Mechanisms and process optimization","authors":"Nida Arshad ,&nbsp;Elizabeth Jayex Panakkal ,&nbsp;Aiya Chantarasiri ,&nbsp;Peerapong Pornwongthong ,&nbsp;Hassan El Bari ,&nbsp;Widya Fatriasari ,&nbsp;Prapakorn Tantayotai ,&nbsp;Malinee Sriariyanun","doi":"10.1016/j.biteb.2025.102190","DOIUrl":"10.1016/j.biteb.2025.102190","url":null,"abstract":"<div><div>The urgent transition from fossil-based resources to renewable alternatives has driven extensive research into lignocellulosic biomass as a sustainable feedstock for biofuels and chemicals. Deep eutectic solvents (DESs) have emerged as an innovative pretreatment technology that enhances delignification and facilitates the fractionation of lignocellulosic biomass. This study critically evaluates recent advancements in DES formulations and the mechanisms underlying their interactions with structural components of biomass. As tunable solvents, DESs enable the selective solubilization of cellulose while preserving the structural integrity of hemicellulose and lignin. The efficiency of DES pretreatment can be further improved through the optimization of reaction parameters and the integration of various intensification technologies. This review highlights the crucial role of reaction parameters in enhancing pretreatment efficiency. Additionally, it examines how the incorporation of intensification technologies further enhances DES-based pretreatment by modifying biomass structure, thereby facilitating greater interaction between DES components and lignocellulosic substrates.</div></div>","PeriodicalId":8947,"journal":{"name":"Bioresource Technology Reports","volume":"31 ","pages":"Article 102190"},"PeriodicalIF":0.0,"publicationDate":"2025-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144501238","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Potential for integrating enzymatic and conventional approaches in lignin nanoparticle production from oil palm biomass 结合酶法和传统方法从油棕生物质中生产木质素纳米颗粒的潜力
Bioresource Technology Reports Pub Date : 2025-06-27 DOI: 10.1016/j.biteb.2025.102189
Getrude Shallom Afrakomah , Alfred Elikem Kwami Afedzi , Kwame Gyan , Pratuang Puthson , Wanwitoo Wanmolee , Pramuk Parakulsuksatid
{"title":"Potential for integrating enzymatic and conventional approaches in lignin nanoparticle production from oil palm biomass","authors":"Getrude Shallom Afrakomah ,&nbsp;Alfred Elikem Kwami Afedzi ,&nbsp;Kwame Gyan ,&nbsp;Pratuang Puthson ,&nbsp;Wanwitoo Wanmolee ,&nbsp;Pramuk Parakulsuksatid","doi":"10.1016/j.biteb.2025.102189","DOIUrl":"10.1016/j.biteb.2025.102189","url":null,"abstract":"<div><div>Oil palm processing generates substantial lignin-rich residues that remain underutilized. Converting this lignin into nanoparticles (LNPs) offers sustainable applications in biomedicine, materials, and remediation. Conventional extraction and synthesis methods often involve harsh chemicals or high energy input, which alter lignin's functional groups and raise environmental concerns. Enzymatic methods, using laccases, peroxidases, and auxiliary oxidases, operate under mild conditions and preserve phenolic and aliphatic functionalities. This review examines physical, chemical, and enzymatic strategies for LNP production, highlighting their effects on particle properties and environmental impact. Major approaches include solvent exchange, acid precipitation, ultrasonication, and homogenization, combined with enzymatic surface modification. It also outlines characterization methods and potential applications in drug delivery, UV protection, antioxidant activity, and pollutant adsorption. Challenges remain in enzyme cost, stability, and lignin variability. Future research should prioritize enzyme engineering, process intensification, and integration with deep eutectic and ionic liquids to support a sustainable circular bioeconomy.</div></div>","PeriodicalId":8947,"journal":{"name":"Bioresource Technology Reports","volume":"31 ","pages":"Article 102189"},"PeriodicalIF":0.0,"publicationDate":"2025-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144556703","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Mushroom residue extract-based media enhanced the enrichment and isolation of cellulose-degrading bacteria 以香菇渣提取物为基础的培养基增强了纤维素降解菌的富集和分离
Bioresource Technology Reports Pub Date : 2025-06-27 DOI: 10.1016/j.biteb.2025.102188
Xiaoli Luo , Tianshu Wang , Yili Meng , Li Li , Shuihong Yao , Huawei Wu , Jun Li
{"title":"Mushroom residue extract-based media enhanced the enrichment and isolation of cellulose-degrading bacteria","authors":"Xiaoli Luo ,&nbsp;Tianshu Wang ,&nbsp;Yili Meng ,&nbsp;Li Li ,&nbsp;Shuihong Yao ,&nbsp;Huawei Wu ,&nbsp;Jun Li","doi":"10.1016/j.biteb.2025.102188","DOIUrl":"10.1016/j.biteb.2025.102188","url":null,"abstract":"<div><div>This study aims to develop substrate-specific media for targeted enrichment of cellulose-degrading bacteria from mushroom residue to increase composting efficiency. Mushroom residue extract-based media—MR (basic extract) and MRC (with sodium carboxymethyl cellulose)—were designed and comparatively analyzed against conventional LB medium. Both MR and MRC significantly increased bacterial alpha diversity and enriched key cellulose-degrading genera (e.g., <em>Paenibacillus</em> and <em>Bacillus</em>). Functional shifts were observed through the altered abundance of carbon-degrading genes (<em>abfA</em>, <em>cex</em>, <em>lig</em>) and nitrogen/phosphorus metabolism genes (<em>nifH</em>, <em>gcd</em>), indicating metabolic adaptation to lignocellulose-rich substrates. Critically, 35 cellulose-degrading strains with superior enzymatic activities were isolated (endoglucanase: 32.77–144.88 μg min<sup>−1</sup>; β-glucosidase: 49.99–122.34 μg min<sup>−1</sup>; filter paper activity: 38.82–169.34 μg min<sup>−1</sup>). Compared with LB-derived isolates, strains from MR/MRC media presented a 1.8–2.3-fold greater cellulose-degrading capacity. These findings demonstrate that substrate-specific media preferentially enrich functional consortia, providing tailored inoculants to accelerate composting and valorize agricultural waste.</div></div>","PeriodicalId":8947,"journal":{"name":"Bioresource Technology Reports","volume":"31 ","pages":"Article 102188"},"PeriodicalIF":0.0,"publicationDate":"2025-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144513993","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Supplementation of carbon dioxide ameliorated the physicochemical attributes of duckweed (Lemna trisulca) 添加二氧化碳改善浮萍理化性状的研究
Bioresource Technology Reports Pub Date : 2025-06-27 DOI: 10.1016/j.biteb.2025.102195
Xiaoyu Wang , Xuyao Zhao , Abeer Kazmi , Manli Xia , Zuoliang Sun , Jingjing Yang , Gaojie Li , Xiaozhe Li , Hongwei Hou
{"title":"Supplementation of carbon dioxide ameliorated the physicochemical attributes of duckweed (Lemna trisulca)","authors":"Xiaoyu Wang ,&nbsp;Xuyao Zhao ,&nbsp;Abeer Kazmi ,&nbsp;Manli Xia ,&nbsp;Zuoliang Sun ,&nbsp;Jingjing Yang ,&nbsp;Gaojie Li ,&nbsp;Xiaozhe Li ,&nbsp;Hongwei Hou","doi":"10.1016/j.biteb.2025.102195","DOIUrl":"10.1016/j.biteb.2025.102195","url":null,"abstract":"<div><div>Duckweed has gained attention as a potential aquatic crop for starch and protein production. Compared to most duckweed species, <em>Lemna trisulca</em> (<em>L. trisulca</em>) is distinguished by its submerged habitat. In context of rising CO<sub>2</sub> levels, which pose significant enviromental risks, duckweed presents potential as an effective carbon sequestration agent. Despite its relevance, research on L. <em>trisulca</em> for carbon sequestration remains limited, particularly when compared to microalgae. This study inestigates the effects of varying carbon dioxide (CO<sub>2</sub>) concentrations (400 ppm,10,000 ppm and 50,000 ppm) on the relative growth rate, biomass accumulation and enzyme activity of L. <em>trisulca</em>. The results indicated that CO<sub>2</sub> supplementation significantly enhanced biomass production, photosynthetic pigment concentration, activity of photosynthetic enzymes, and starch/protein accumulation. Compared to ambient CO<sub>2</sub> concentration, under the 50,000 ppm CO<sub>2</sub> treatment, fresh weight, starch content and protein levels increased by 11.6 times, 3.3 times and 1.6 times, respectively. Furthermore, the carbon sequestration capacity in high concentration (HC) treatment group was 18.1 times higher than control concentration (CC) treatment groups and 3.4 times of that in media concentration (MC). This is the first study to explore the physiological response of L. <em>trisulca</em> to elevated CO<sub>2</sub> concentrations. The specie demonstrated higher growth efficiency and carbon sequestration ability when exposed to high CO<sub>2</sub> conditions. The findings provide critical insights into the potential application of <em>L.trisulca</em> in the process of carbon sequestration, and lay a foundation for the utilization of <em>L.trisulca</em> in sustainable bioenergy production.</div></div>","PeriodicalId":8947,"journal":{"name":"Bioresource Technology Reports","volume":"31 ","pages":"Article 102195"},"PeriodicalIF":0.0,"publicationDate":"2025-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144523810","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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