Article
Biochemical Research Methods
Jiahui Sun, Zhichao Zhang, Shanshan Zhang, Yu Dan, Huili Sun, Yannan Wu, Guodong Luan, Xuefeng Lu
Summary: This study developed a paradigm for engineering cyanobacterial chassis cells into efficient cell factories for the photosynthetic production of fructose. Through combinatory optimizations, the fructose yield of the cyanobacterial cell factories was significantly improved. This work demonstrated the feasibility and potential of cyanobacterial photosynthetic biomanufacturing as a simple and efficient route for fructose production.
ACS SYNTHETIC BIOLOGY
(2023)
Review
Microbiology
Maria Santos-Merino, Lisa Yun, Daniel C. Ducat
Summary: Biofuels and other biologically manufactured sustainable goods are becoming more popular and in demand. Cyanobacteria are being considered as potential candidates for sustainable production of carbohydrate feedstocks, with lower land and water requirements compared to plants. Genetically engineered cyanobacterial strains have been found to export significant quantities of sugars. This review provides a comprehensive summary of cyanobacterial sucrose synthesis and degradation pathways, genetic modifications to increase sucrose production, and recent advances in co-cultivation strategies with heterotrophic microbes.
FRONTIERS IN MICROBIOLOGY
(2023)
Article
Engineering, Environmental
Cristian A. Sepulveda-Munoz, Gorka Hontiyuelo, Saul Blanco, Andres F. Torres-Franco, Raul Munoz
Summary: Photosynthetic processes can be used to treat wastewater and convert nutrients into biomass. In this study, a combination of purple phototrophic bacteria photobioreactor and microalgae-bacteria photobioreactor was used to treat piggery wastewater, achieving efficient removal of carbon and nitrogen contaminants.
JOURNAL OF WATER PROCESS ENGINEERING
(2022)
Article
Plant Sciences
Yuanyuan Li, Bei Tian, Yue Wang, Jiechen Wang, Hongbo Zhang, Lu Wang, Guangyu Sun, Yongtao Yu, Huihui Zhang
Summary: The overexpression of MYB37 alleviates salt stress symptoms in Arabidopsis plants by increasing photosynthesis, reducing chlorophyll degradation, and improving salt tolerance.
FRONTIERS IN PLANT SCIENCE
(2022)
Review
Engineering, Chemical
Yaru Xie, Lei Chen, Tao Sun, Weiwen Zhang
Summary: Liquid sunshine, generated by cyanobacteria, shows promising potential for producing renewable fuels and chemicals. However, challenges such as high light stress need to be addressed for large-scale outdoor cultivation to improve productivity.
CHINESE JOURNAL OF CHEMICAL ENGINEERING
(2021)
Article
Multidisciplinary Sciences
Xuemei Ma, Qiang Liu, Zhidong Zhang, Zewen Zhang, Zeyu Zhou, Yu Jiang, Xuanrui Huang
Summary: The study compared four models in simulating the photosynthetic light response curve of tree crown and found that the MRHM model had the highest fitting accuracy. The light saturation point (LSP) obtained by MRHM was slightly lower than the observed values, while the maximum net photosynthetic rates (P-max) modeled by the four models were close to the measured values.
Review
Chemistry, Multidisciplinary
Zhenyu Yang, Ping Li, Wei Feng, Yu Chen
Summary: Oxygen is crucial for regulating metabolic activities in living organisms, but disease-induced hypoxia reduces the effectiveness of various therapies. Nanomaterials with oxygen-production capacity have been developed to recover oxygen function in tissue, but there are limitations. Photosynthetic microorganisms have efficient photocatalytic oxygen production efficacy and desirable biocompatibility, making them extensively applied for improving hypoxia in diseases. This review summarizes the research progress on microbial-based photosynthetic oxygenation in cancer therapy, wound healing, and tissue engineering, emphasizing the importance of biocompatibility in vivo and discussing the future evolution of microbial-based treatment.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Environmental Sciences
Renjun Wang, Chao Wang, Xiuxia Liu, Junfeng Chen, Chunchen Liu, Yuhao Song, Ning Ding, Peike Gao
Summary: Linoleic acid (LA) released by macroalgae has been shown to inhibit the growth of harmful microalgae K. mikimotoi by inducing cell cycle arrest and promoting apoptosis through increased oxidative stress. This research suggests that LA has great potential in controlling harmful algal blooms.
FRONTIERS IN MARINE SCIENCE
(2023)
Article
Biotechnology & Applied Microbiology
Saeed Uz Zafar, Anju Mehra, Asha Arumugam Nesamma, Pannaga Pavan Jutur
Summary: The concept of biorefinery is crucial for sustainable economic growth as it explores and expands new dimensions of bio-based commodity production. It has the potential to transform biomass into renewable energy and bioenergies for human wellbeing.
ALGAL RESEARCH-BIOMASS BIOFUELS AND BIOPRODUCTS
(2023)
Article
Chemistry, Multidisciplinary
V. Rissanen, S. Vajravel, S. Kosourov, S. Arola, E. Kontturi, Y. Allahverdiyeva, T. Tammelin
Summary: The study demonstrates a novel solid-state cell factory design using never-dried TCNF matrix to immobilize cyanobacteria, showing superior wet strength and stability compared to existing alginate-based matrices. These results indicate the potential of using this approach for efficient and sustainable chemical production.
Article
Plant Sciences
Hang T. T. Nguyen, Daniel W. Pritchard, Matthew J. Desmond, Christopher D. Hepburn
Summary: This study compares the photosynthetic characteristics and pigment concentrations of an articulated coralline alga and a crustose coralline species using measurements of photosynthetically active radiation (PAR) in a New Zealand kelp forest. The results show that the articulated coralline alga has higher photosynthetic rates and pigment concentrations compared to the crustose coralline species, and both of these coralline algae can adapt well to low light environments.
PHOTOSYNTHESIS RESEARCH
(2022)
Article
Plant Sciences
Nicolo Fattore, Simone Savio, Antoni M. Vera-Vives, Mariano Battistuzzi, Isabella Moro, Nicoletta La Rocca, Tomas Morosinotto
Summary: Eukaryotic algae, including red algae, have the ability to use sunlight to fix carbon dioxide into biomass. Despite the diversity of algae metabolism, information on red algae is relatively scarce. This study focuses on the photosynthetic properties of a recently isolated mesophilic red algae and found that these cells are capable of acclimating, regulating chlorophyll content, and reorganizing thylakoid membranes under different light conditions.
PHYSIOLOGIA PLANTARUM
(2021)
Article
Biotechnology & Applied Microbiology
Ines B. Maia, Mariana Carneiro, Tania Magina, F. Xavier Malcata, Ana Otero, Joao Navalho, Joao Varela, Hugo Pereira
Summary: The growth patterns, photosystem II performance, and accumulation of target metabolites of two commercially relevant diatoms, Phaeodactylum tricornutum and Skeletonema costatum, were investigated. S. costatum exhibited higher growth rate, biomass productivity, photosynthetic efficiency, and temperature tolerance compared to P. tricornutum.
JOURNAL OF BIOTECHNOLOGY
(2022)
Article
Environmental Sciences
Li Hu, Tianhong Liang, Gaofang Yin, Nanjing Zhao
Summary: This paper utilized the photosynthetic inhibition effect of algae and employed various fluorescence parameters to improve the accuracy and stability of toxicity detection. The results showed that the BP neural network performed well in high concentration ranges, while the SVR model remained stable throughout the entire concentration range. This study provides valuable insights for the development of biotoxicity detection using the algae photosynthetic inhibition method.
Article
Horticulture
Xiaohua Ma, Qin Zhou, Qingdi Hu, Xule Zhang, Jian Zheng, Renjuan Qian
Summary: This study analyzed the effects of light intensity on Clematis tientaiensis and found that high light intensity caused chlorosis and reduced photosynthetic efficiency, while moderate light conditions resulted in good adaptability. The results highlight the importance of proper light management for the growth and population expansion of Clematis tientaiensis.
Article
Environmental Sciences
Ma Jesus Garcia-Galan, Victor Matamoros, Enrica Uggetti, Ruben Diez-Montero, Joan Garcia
Summary: The study evaluated the efficiency of a new type of reactor in treating different types of pollutants, and indicated through risk assessment that it has minimal impact on the environment.
ENVIRONMENTAL RESEARCH
(2021)
Article
Engineering, Environmental
Cristina Avila, Maria Jesus Garcia-Galan, Enrica Uggetti, Nicola Montemurro, Manuel Garcia-Vara, Sandra Perez, Joan Garcia, Cristina Postigo
Summary: This study evaluated the removal efficiency of 13 wastewater-borne pharmaceuticals in a pilot constructed wetland operated under different aeration strategies. Aeration was found to improve the removal of conventional wastewater parameters and the targeted micropollutants, with varying effects on different pharmaceuticals.
JOURNAL OF HAZARDOUS MATERIALS
(2021)
Article
Environmental Sciences
Laura Flores, Marianna Garfi, Rocio Pena, Joan Garcia
Summary: This study aimed to quantify and compare greenhouse gas emissions from two full-scale winery wastewater and sludge treatment systems in Galicia, Spain. The results showed that surface emission rates were lower in the constructed wetlands system compared to the activated sludge system.
SCIENCE OF THE TOTAL ENVIRONMENT
(2021)
Editorial Material
Ecology
Joan Garcia
ECOLOGICAL ENGINEERING
(2021)
Article
Environmental Sciences
Cristina Avila, Maria J. Garcia-Galan, Carles M. Borrego, Sara Rodriguez-Mozaz, Joan Garcia, Damia Barcelo
Summary: The study investigated the removal of 49 antibiotics and 11 selected antibiotic resistance genes in two vertical subsurface flow constructed wetlands. It was found that the partially saturated unit (SVF) showed more significant removal of certain antibiotics compared to the unsaturated unit (UVF). All selected antibiotic resistance genes were detected in influent wastewater and in the biofilm of both wetlands, with varying removal rates.
SCIENCE OF THE TOTAL ENVIRONMENT
(2021)
Article
Engineering, Chemical
Antonio Ortiz, Maria Jesus Garcia-Galan, Joan Garcia, Ruben Diez-Montero
Summary: The study evaluated the performance of a harvesting unit in a demonstration scale microalgae biorefinery for wastewater treatment and resource recovery, finding that the coagulant dose could be determined daily by measuring influent turbidity, and the suspended solids concentration and turbidity in the clarified water met the requirements. The volume of harvested biomass correlated well with results of standard V-30 tests, showing how a full scale coagulation, flocculation and sedimentation process for microalgae separation and concentration can be operated with few simple tools.
SEPARATION AND PURIFICATION TECHNOLOGY
(2021)
Article
Environmental Sciences
Barbara Sowinska-Swierkosz, Joan Garcia
Summary: This paper introduces a new evaluation framework for NBS projects at the stage of solution selection, based on performance questions and indicators approach. By conducting a systematic review to consider a wide range of influencing factors, around 130 indicators were identified for the evaluation of NBS projects. This work contributes to the discussion on the conceptual sphere of NBS and its practical implementation by introducing multi-perspective standards and guidelines for project selection.
SCIENCE OF THE TOTAL ENVIRONMENT
(2021)
Article
Engineering, Chemical
Antonio Ortiz, Joan Garcia, Enrica Uggetti, Ruben Diez-Montero
Summary: This study focuses on the operation and optimization of thickening microalgal biomass in photobioreactors using agricultural runoff and domestic wastewater. Through the use of two gravity thickeners in series, the concentration of microalgae biomass was successfully improved. The study also identified key factors such as adjusting the purge flowrate, coordinating purge times and volumes, and proper operation of the scrapers for successful thickening of biomass.
SEPARATION AND PURIFICATION TECHNOLOGY
(2022)
Article
Biochemistry & Molecular Biology
Antonio Ortiz, Ruben Diez-Montero, Joan Garcia, Nadeem Khalil, Enrica Uggetti
Summary: In this study, a demonstrative-scale high rate algal pond (HRAP) system for secondary wastewater treatment in India was designed and optimized using simulations and modelling. The study found that a hydraulic retention time of 4 days was optimal for nutrient removal and biomass production. The most efficient design configuration was determined, and a technical-economic assessment of the system was conducted.
COMPUTATIONAL AND STRUCTURAL BIOTECHNOLOGY JOURNAL
(2022)
Article
Microbiology
Ulysse Bremond, Aude Bertrandias, Jerome Hamelin, Kim Milferstedt, Valerie Bru-Adan, Jean-Philippe Steyer, Nicolas Bernet, Helene Carrere
Summary: The recirculation of solid digestate with ligninolytic aerobic consortia did not increase methane recovery during the short-term aerobic post-treatment. The decrease in methane yields was attributed to the respiration of easily degradable fractions by the selected consortia.
Article
Energy & Fuels
Hector Rodriguez-Rangel, Dulce Maria Arias, Luis Alberto Morales-Rosales, Victor Gonzalez-Huitron, Mario Valenzuela Partida, Joan Garcia
Summary: This paper develops a model to forecast biomass production in wastewater treatment systems by analyzing the accumulation of carbohydrates and using artificial intelligence algorithms. After comparing five learning models, the CNN-1D model obtains the best results.
Article
Environmental Sciences
Bruna Chyoshi, Lucia Helena Gomes Coelho, Joan Garcia, Eduardo Lucas Subtil
Summary: The Anaerobic Fluidized Membrane Bioreactor (AnFMBR) is an effective technology for removing conventional organic pollutants as well as emerging contaminants (ECs) like diclofenac and 17 beta-estradiol. However, it has lower removal efficiency for 17a-ethinylestradiol and amoxicillin. The study suggests that a combination of other treatment processes is necessary to prevent the release of these contaminants into the environment.
Article
Engineering, Environmental
Thalita Gouveia Castilho, Jose Alberto Domingues Rodrigues, Joan Garcia, Eduardo Lucas Subtil
Summary: In recent years, research has shown that the addition of conductive materials can significantly improve anaerobic digestion and methane production. However, there are still questions regarding the mechanism and impact of material properties on methanogenic pathways. A systematic review and statistical analysis of recent studies found that the use of conductive materials is associated with changes in the microbial community and that millimeter-scale materials may be more effective in increasing methane production. Overall, the use of conductive materials shows promise in improving anaerobic digestion and methane production.
JOURNAL OF WATER PROCESS ENGINEERING
(2022)
Article
Environmental Sciences
Eva Gonzalez-Flo, Antonio Ortiz, Carlos A. Arias, Ruben Diez-Montero, Norbert Kohlheb, Ulf-Henning Schauser, Joan Garcia, Peder K. S. Gregersen
Summary: The management and disposal of wastewater treatment sludge can be a costly and resource-intensive process. Sludge Treatment Wetlands (STW) offer a cost-effective and sustainable alternative for enhancing sludge quality. A study evaluated the effectiveness of a full-scale STW in stabilizing and dewatering digested microalgal biomass, finding that it was a cost-effective and environmentally friendly option for land application.
Article
Green & Sustainable Science & Technology
Roger Samso, Julia Crespin, Antonio Garcia-Olivares, Jordi Sole
Summary: Based on a literature review, it is found that the total energy potential of marine renewable energy is uncertain and highly dependent on various factors. The actual net energy contribution is limited by technical, economic, and sustainable constraints.
Article
Biotechnology & Applied Microbiology
Sung-Yeoul Kim, Vikash Chandra Roy, Jin-Seok Park, Byung-Soo Chun
Summary: This study aims to extract functional substances from Undaria pinnatiida sporophyll using supercritical carbon dioxide (SC-CO2) and subcritical water extraction (SWE). The results showed that the consecutive green extraction method can yield extracts rich in fucoxanthin and beta-carotene, and the sporophyll of Undaria pinnatiida contains health-beneficial fatty acids. Additionally, SWE can extract substances with antioxidant, antibacterial, and antihypertensive activities.
ALGAL RESEARCH-BIOMASS BIOFUELS AND BIOPRODUCTS
(2024)
