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Assessment of membrane-based downstream purification processes as a replacement to traditional resin bead for monoclonal antibody purification. 评估以膜为基础的下游纯化工艺,以取代传统的树脂珠单克隆抗体纯化工艺。
IF 2.5 3区 生物学
Biotechnology Progress Pub Date : 2024-09-16 DOI: 10.1002/btpr.3508
Victor Pasquier, Kevin Botelho Ferreira, Morgane Lergenmuller, Alexis Tottoli, Arnaud Perilleux, Jonathan Souquet, Jean-Marc Bielser
{"title":"Assessment of membrane-based downstream purification processes as a replacement to traditional resin bead for monoclonal antibody purification.","authors":"Victor Pasquier, Kevin Botelho Ferreira, Morgane Lergenmuller, Alexis Tottoli, Arnaud Perilleux, Jonathan Souquet, Jean-Marc Bielser","doi":"10.1002/btpr.3508","DOIUrl":"https://doi.org/10.1002/btpr.3508","url":null,"abstract":"<p><p>Membrane chromatography devices are a viable alternative to packed-bed resins and enable highly productive purification cascades for monoclonal antibodies and Fc-fusion proteins. In this study, ion exchange and protein A membrane chromatography performances were assessed and compared with their resin counterparts. Protein A dynamic binding capacities were higher than 50 g/L for two of the tested membranes and with a residence time of 0.2 min. For polishing, it was observed that aggregate clearance was generally less performant with membrane separation when compared to resins with similar ligands. However, the comparable yield and increased productivity of membranes could be enough to consider their implementation. In addition, lifetime studies demonstrated that the performance of membranes remained robust over cycles. One hundred cycles were reached for most of the tested membranes with no impact on the process performance nor product quality. Finally, purification cascades were fully operated with membranes, from capture to polishing, reaching good levels of host cells proteins (less than 50 ppm) and aggregates (equal to or less than 1%). The outcome of this study demonstrated that resin chromatography could be fully replaced by membranes for monoclonal antibody and Fc-fusion protein purification processes.</p>","PeriodicalId":8856,"journal":{"name":"Biotechnology Progress","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142280026","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Metabolic engineering of rapidly growing Synechococcus elongatus strains for phototrophic production of alkanes. 对快速生长的细长 Synechococcus 菌株进行代谢工程改造,以实现光营养生产烷烃。
IF 2.5 3区 生物学
Biotechnology Progress Pub Date : 2024-09-15 DOI: 10.1002/btpr.3509
Vaibhav Srivastava, Aditya P Sarnaik, Pramod P Wangikar
{"title":"Metabolic engineering of rapidly growing Synechococcus elongatus strains for phototrophic production of alkanes.","authors":"Vaibhav Srivastava, Aditya P Sarnaik, Pramod P Wangikar","doi":"10.1002/btpr.3509","DOIUrl":"https://doi.org/10.1002/btpr.3509","url":null,"abstract":"<p><p>Alkanes are high-energy hydrocarbons that are foreseen as next generation biofuels. Cyanobacteria are known to naturally synthesize C15-C19 alkanes; however, the titers are too low to make this a commercially viable process. Therefore, to leverage these photosynthetic platforms for improved alkane production, here we engineered three novel isolates of Synechococcus elongatus PCC 11801, PCC 11802, and IITB6. The two gene AAR-ADO alkane biosynthesis pathway was constructed by cloning the genes for acyl-ACP reductase (aar) and aldehyde deformylating oxygenase (ado) from S. elongatus PCC 7942 under the regulation of P<sub>rbcL</sub> promoter from PCC 7942 and native promoters from PCC 11801 such as P<sub>cpcB300</sub>, P<sub>psbAI</sub>, and P<sub>psbAIII</sub>. The genes were separately cloned under two different promoters, creating a library of the engineered strains. The results indicated that the engineered strains of novel S. elongatus isolates produced significantly higher amounts of alkanes than the model strain PCC 7942. The highest alkane yield achieved was 4.1 mg/gDCW in BG-11, while the highest titer was 31.5 mg/L in 5X BG-11, with an engineered IITB6 strain (P<sub>cpcB300</sub>:aar:T<sub>rrnB</sub>::P<sub>rbcL</sub>:ado:T<sub>Lac</sub>). Overall, the study highlights the potential of newly isolated S. elongatus strains as efficient alkane production platforms.</p>","PeriodicalId":8856,"journal":{"name":"Biotechnology Progress","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142280027","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Optimizing cryopreservation strategies for scalable cell therapies: A comprehensive review with insights from iPSC‐derived therapies 为可扩展的细胞疗法优化低温保存策略:全面回顾 iPSC 衍生疗法的启示
IF 2.9 3区 生物学
Biotechnology Progress Pub Date : 2024-09-13 DOI: 10.1002/btpr.3504
Michael Dobruskin, Geoffrey Toner, Ronald Kander
{"title":"Optimizing cryopreservation strategies for scalable cell therapies: A comprehensive review with insights from iPSC‐derived therapies","authors":"Michael Dobruskin, Geoffrey Toner, Ronald Kander","doi":"10.1002/btpr.3504","DOIUrl":"https://doi.org/10.1002/btpr.3504","url":null,"abstract":"Off‐the‐shelf cell therapies hold significant curative potential for conditions, such as Parkinson's disease and heart failure. However, these therapies face unique cryopreservation challenges, especially when novel routes of administration, such as intracerebral or epicardial injection, require cryopreservation media that are safe for direct post‐thaw administration. Current practices often involve post‐thaw washing to remove dimethyl sulfoxide (Me<jats:sub>2</jats:sub>SO), a cytotoxic cryoprotective agent, which complicates the development and clinical translation of off‐the‐shelf therapies. To overcome these obstacles, there is a critical need to explore Me<jats:sub>2</jats:sub>SO‐free cryopreservation methods. While such methods typically yield suboptimal post‐thaw viability with conventional slow‐freeze protocols, optimizing freezing profiles offers a promising strategy to enhance their performance. This comprehensive review examines the latest advancements in cryopreservation techniques across various cell therapy platforms, with a specific case study of iPSC‐derived therapies used to illustrate the scalability challenges. By identifying key thermodynamic and biochemical phenomena that occur during freezing, this review aims to identify cell‐type independent approaches to improve the efficiency and efficacy of cryopreservation strategies, thereby supporting the widespread adoption and clinical success of off‐the‐shelf cell therapies.","PeriodicalId":8856,"journal":{"name":"Biotechnology Progress","volume":null,"pages":null},"PeriodicalIF":2.9,"publicationDate":"2024-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142266026","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A new method to immobilize urease in silk fibroin membrane by unidirectional nanopore dehydration. 通过单向纳米孔脱水将脲酶固定在蚕丝纤维素膜上的新方法。
IF 2.5 3区 生物学
Biotechnology Progress Pub Date : 2024-09-05 DOI: 10.1002/btpr.3502
Meng Zhang, Hai-Yan Wang, Yu-Qing Zhang
{"title":"A new method to immobilize urease in silk fibroin membrane by unidirectional nanopore dehydration.","authors":"Meng Zhang, Hai-Yan Wang, Yu-Qing Zhang","doi":"10.1002/btpr.3502","DOIUrl":"https://doi.org/10.1002/btpr.3502","url":null,"abstract":"<p><p>The immobilization of free enzymes is crucial for enhancing their stability in different environments, enabling reusability, and expanding their applications. However, the development of a straightforward immobilization method that offers stability, high efficiency, biocompatibility, and modifiability remains a significant challenge. Silk fibroin (SF) is a good carrier for immobilized enzymes and drugs. Here, we employed urease as a model enzyme and utilized our developed technology called unidirectional nanopore dehydration (UND) to efficiently dehydrate a regenerated SF solution containing urease in a single step, resulting in the preparation of a highly functionalized SF membrane immobilizing urease (UI-SFM). The preparation process of UI-SFM is based on an all-water system, which is mild, green and able to efficiently and stably immobilize urease in the membranes, maintaining 92.7% and 82.8% relative enzyme activity after 30 days of storage in dry and hydrated states, respectively. Additionally, we performed additional post-treatments, including stretching and cross-linking with polyethylene glycol diglycidyl ether (PEGDE), to obtain two more robust immobilized urease membranes (UI-SFMs and UI-SFMc). The thermal and storage stability of these two membranes were significantly improved, and the recovery ratio of enzyme activity reached more than 90%. After 10 repetitions of the enzymatic reaction, the activity recovery of UI-SFMs and UI-SFMc remained at 92% and 88%, respectively. The results suggest that both UND-based and post-treatment-developed membranes exhibit excellent urease immobilization capabilities. Furthermore, the enzyme immobilization method offers a straightforward and versatile approach for efficient and stable enzyme immobilization, while its flexible modifiability caters to diverse application requirements.</p>","PeriodicalId":8856,"journal":{"name":"Biotechnology Progress","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142139204","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Tangential flow filtration-facilitated purification of human red blood cell membrane fragments and its preferential use in removing unencapsulated material from resealed red blood cell ghosts compared to centrifugation. 切向流过滤促进了人类红细胞膜碎片的纯化,与离心法相比,切向流过滤更适于从重新封闭的红细胞幽灵中去除未包裹的物质。
IF 2.5 3区 生物学
Biotechnology Progress Pub Date : 2024-07-30 DOI: 10.1002/btpr.3501
Xiangming Gu, Andre F Palmer
{"title":"Tangential flow filtration-facilitated purification of human red blood cell membrane fragments and its preferential use in removing unencapsulated material from resealed red blood cell ghosts compared to centrifugation.","authors":"Xiangming Gu, Andre F Palmer","doi":"10.1002/btpr.3501","DOIUrl":"10.1002/btpr.3501","url":null,"abstract":"<p><p>The biodistribution of many therapeutics is controlled by the immune system. In addition, some molecules are cytotoxic when not encapsulated inside of larger cellular structures, such as hemoglobin (Hb) encapsulation inside of red blood cells (RBCs). To counter immune system recognition and cytotoxicity, drug delivery systems based on red blood cell membrane fragments (RBCMFs) have been proposed as a strategy for creating immunoprivileged therapeutics. However, the use of RBCMFs for drug delivery applications requires purification of RBCMFs at large scale from lysed RBCs free of their intracellular components. In this study, we were able to successfully use tangential flow filtration (TFF) to remove >99% of cell-free Hb from lysed RBCs at high concentrations (30%-40% v/v), producing RBCMFs that were 2.68 ± 0.17 μm in diameter. We were also able to characterize the RBCMFs more thoroughly than prior work, including measurement of particle zeta potential, along with individual TFF diacycle data on the cell-free Hb concentration in solution and time per diacycle, as well as concentration and size of the RBCMFs. In addition to purifying RBCMFs from lysed RBCs, we utilized a hypertonic solution to reseal purified RBCMFs encapsulating a model protein (Hb) to yield resealed Hb-encapsulated RBC ghosts (Hb-RBCGs). TFF was then compared against centrifugation as an alternative method for removing unencapsulated Hb from Hb-RBCGs, and the effects that each washing method on the resulting Hb-RBCG biophysical properties was assessed.</p>","PeriodicalId":8856,"journal":{"name":"Biotechnology Progress","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-07-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141791802","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Tangential flow filtration facilitated fractionation of polymerized human serum albumin: Insights into the effects of molecular size on biophysical properties. 切向流过滤促进聚合人血清白蛋白的分馏:洞察分子大小对生物物理特性的影响。
IF 2.5 3区 生物学
Biotechnology Progress Pub Date : 2024-07-29 DOI: 10.1002/btpr.3500
Amna Abdalbaqi, Ahmad Yahya, Krianthan Govender, Carlos Muñoz, Gala Sanchez Van Moer, Daniela Lucas, Pedro Cabrales, Andre F Palmer
{"title":"Tangential flow filtration facilitated fractionation of polymerized human serum albumin: Insights into the effects of molecular size on biophysical properties.","authors":"Amna Abdalbaqi, Ahmad Yahya, Krianthan Govender, Carlos Muñoz, Gala Sanchez Van Moer, Daniela Lucas, Pedro Cabrales, Andre F Palmer","doi":"10.1002/btpr.3500","DOIUrl":"10.1002/btpr.3500","url":null,"abstract":"<p><p>Human serum albumin (HSA) is currently used as a plasma expander (PE) to increase blood volume during hypovolemic conditions, such as blood loss. However, its effectiveness is suboptimal in septic shock and burn patients due to their enhanced endothelial permeability, resulting in HSA extravasation into the tissue space leading to edema, and deposition of toxic HSA-bound metabolites. Hence, to expand HSA's applicability toward treating patients with compromised endothelial permeability, HSA has been previously polymerized to increase its molecular size thus compartmentalizing the polymerized HSA (PolyHSA) molecules in the vascular space. Previous studies bracketed PolyHSA between 100 kDa and 0.2 μm. In this research, PolyHSA was synthesized at two cross-link densities 43:1 and 60:1 (i.e., molar ratios of glutaraldehyde to HSA) and subsequently fractionated via tangential flow filtration (TFF) into two narrower brackets: bracket A (500 kDa and 0.2 μm) and bracket B (50-500 kDa). PolyHSA within the same size bracket at different cross-link densities exhibited similar solution viscosity, zeta potential, and osmolality but differed in hydrodynamic diameter. At the same cross-link density, the PolyHSA A bracket showed higher viscosity, lowered zeta potential, and a larger hydrodynamic diameter compared with the PolyHSA B bracket while maintaining osmolality. Interestingly, PolyHSA 43:1 B, PolyHSA 60:1 A, and PolyHSA 60:1 B brackets exhibited colloid osmotic pressure similar to HSA, indicating their potential to serve as PEs.</p>","PeriodicalId":8856,"journal":{"name":"Biotechnology Progress","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141787175","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Non-sterile cultivation of Yarrowia lipolytica in fed-batch mode for the production of lipids and biomass. 以饲料批处理模式对脂肪溶解亚罗菌进行非灭菌培养,以生产脂类和生物质。
IF 2.5 3区 生物学
Biotechnology Progress Pub Date : 2024-07-28 DOI: 10.1002/btpr.3498
Atith V Chitnis, Abhishek S Dhoble
{"title":"Non-sterile cultivation of Yarrowia lipolytica in fed-batch mode for the production of lipids and biomass.","authors":"Atith V Chitnis, Abhishek S Dhoble","doi":"10.1002/btpr.3498","DOIUrl":"https://doi.org/10.1002/btpr.3498","url":null,"abstract":"<p><p>A reduction in the cost of production and energy requirement is necessary for developing sustainable commercial bioprocesses. Bypassing sterilization, which is an energy and cost-intensive part of bioprocesses could be a way to achieve this. In this study, nonsterile cultivation of Yarrowia lipolytica was done on a synthetic medium containing acetic acid as the sole carbon source using two different strategies in the fed-batch mode. The contamination percentages throughout the process were measured using flow cytometry and complemented using brightfield microscopy. Maximum biomass and lipid yields of 0.57 (g biomass/g substrate) and 0.17 (g lipids/g substrate), respectively, and maximum biomass and lipid productivities of 0.085 and 0.023 g/L/h, respectively, were obtained in different fed-batch strategies. Feeding at the point of stationary phase resulted in better biomass yield and productivity with less than 2% contamination till 48 h. Feeding to maintain a minimum acetic level resulted in better lipid yield and productivity with less than 2% contamination during the complete process. The results of this study demonstrate the potential for cultivating Y. lipolytica in nonsterile conditions and monitoring the contamination throughout the process using flow cytometry.</p>","PeriodicalId":8856,"journal":{"name":"Biotechnology Progress","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-07-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141787174","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Enhanced production of isobutyl and isoamyl acetate using Yarrowia lipolytica. 利用脂肪分解蓍草菌提高乙酸异丁酯和乙酸异戊酯的产量。
IF 2.5 3区 生物学
Biotechnology Progress Pub Date : 2024-07-26 DOI: 10.1002/btpr.3499
Ayumi Koshiba, Mariko Nakano, Yuuki Hirata, Rie Konishi, Yuta Matsuoka, Yuta Miwa, Ayana Mori, Akihiko Kondo, Tsutomu Tanaka
{"title":"Enhanced production of isobutyl and isoamyl acetate using Yarrowia lipolytica.","authors":"Ayumi Koshiba, Mariko Nakano, Yuuki Hirata, Rie Konishi, Yuta Matsuoka, Yuta Miwa, Ayana Mori, Akihiko Kondo, Tsutomu Tanaka","doi":"10.1002/btpr.3499","DOIUrl":"https://doi.org/10.1002/btpr.3499","url":null,"abstract":"<p><p>Short-chain esters, particularly isobutyl acetate and isoamyl acetate, hold significant industrial value due to their wide-ranging applications in flavors, fragrances, solvents, and biofuels. In this study, we demonstrated the biosynthesis of acetate esters using Yarrowia lipolytica as a host by feeding alcohols to the yeast culture. Initially, we screened for optimal alcohol acyltransferases for ester biosynthesis in Y. lipolytica. Strains of Y. lipolytica expressing atf1 from Saccharomyces cerevisiae, produced 251 or 613 mg/L of isobutyl acetate or of isoamyl acetate, respectively. We found that introducing additional copies of ATF1 enhanced ester production. Furthermore, by increasing the supply of acetyl-CoA and refining the culture conditions, we achieved high production of isoamyl acetate, reaching titers of 3404 mg/L. We expanded our study to include the synthesis of a range of acetate esters, facilitated by enriching the culture medium with various alcohols. This study underscores the versatility and potential of Y. lipolytica in the industrial production of acetate esters.</p>","PeriodicalId":8856,"journal":{"name":"Biotechnology Progress","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141756909","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Quantification of nisin concentration from fluorescence-based antimicrobial activity assay using Bayesian calibration. 利用贝叶斯校准法对基于荧光的抗菌活性测定中的尼生素浓度进行定量。
IF 2.5 3区 生物学
Biotechnology Progress Pub Date : 2024-07-26 DOI: 10.1002/btpr.3495
Valentin Steier, Michael Osthege, Laura M Helleckes, Maximilian Siska, Eric von Lieres, Wolfgang Wiechert, Sebastian J Reich, Christian U Riedel, Marco Oldiges
{"title":"Quantification of nisin concentration from fluorescence-based antimicrobial activity assay using Bayesian calibration.","authors":"Valentin Steier, Michael Osthege, Laura M Helleckes, Maximilian Siska, Eric von Lieres, Wolfgang Wiechert, Sebastian J Reich, Christian U Riedel, Marco Oldiges","doi":"10.1002/btpr.3495","DOIUrl":"https://doi.org/10.1002/btpr.3495","url":null,"abstract":"<p><p>Bacteriocins are ribosomally synthesized peptides with the innate ability to kill or inhibit growth of other bacteria. In recent years, bacteriocins have received increased interest, as their antimicrobial activity enhances food safety and shelf life by combatting pathogens such as Listeria monocytogenes. They also have application potential as an active pharmaceutical compound to combat multidrug-resistant pathogens. As new bacteriocins continue to be discovered, accelerated workflows for screening, identification, and process development have been developed. However, antimicrobial activity measurement is often still limited with regards to quantification and throughput. Here, we present the use of a non-linear calibration model to infer nisin concentrations in cultivation supernatants of Lactococcus lactis ssp. lactis B1629 using readouts of pHluorin2 fluorescence-based antimicrobial activity assays.</p>","PeriodicalId":8856,"journal":{"name":"Biotechnology Progress","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141756912","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Just passing through: Deploying aquaporins in microbial cell factories. 只是经过:在微生物细胞工厂中部署水汽蛋白
IF 2.5 3区 生物学
Biotechnology Progress Pub Date : 2024-07-25 DOI: 10.1002/btpr.3497
Liam Richard Jenkins Sánchez, Lobke Maria Sips, Inge Noëlle Adriënne Van Bogaert
{"title":"Just passing through: Deploying aquaporins in microbial cell factories.","authors":"Liam Richard Jenkins Sánchez, Lobke Maria Sips, Inge Noëlle Adriënne Van Bogaert","doi":"10.1002/btpr.3497","DOIUrl":"https://doi.org/10.1002/btpr.3497","url":null,"abstract":"<p><p>As microbial membranes are naturally impermeable to even the smallest biomolecules, transporter proteins are physiologically essential for normal cell functioning. This makes transporters a key target area for engineering enhanced cell factories. As part of the wider cellular transportome, aquaporins (AQPs) are responsible for transporting small polar solutes, encompassing many compounds which are of great interest for industrial biotechnology, including cell feedstocks, numerous commercially relevant polyols and even weak organic acids. In this review, examples of cell factory engineering by targeting AQPs are presented. These AQP modifications aid in redirecting carbon fluxes and boosting bioconversions either by enhanced feedstock uptake, improved intermediate retention, increasing product export into the media or superior cell viability against stressors with applications in both bacterial and yeast production platforms. Additionally, the future potential for AQP deployment and targeting is discussed, showcasing hurdles and considerations of this strategy as well as recent advances and future directions in the field. By leveraging the natural diversity of AQPs and breakthroughs in channel protein engineering, these transporters are poised to be promising tools capable of enhancing a wide variety of biotechnological processes.</p>","PeriodicalId":8856,"journal":{"name":"Biotechnology Progress","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141756911","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","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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