Chao Zhang, Hao Liu, Xiujun Li, Feng Xu, Zedong Li
Biosensors that sense the concentration of a specified target and produce a specific signal output have become important technology for biological analysis. Recently, intelligent biosensors have received great interest due to their adaptability to meet sophisticated demands. Advances in developing standard modules and carriers in synthetic biology have shed light on intelligent biosensors that can implement advanced analytical processing to better accommodate practical applications. This review focuses on intelligent synthetic biology-enabled biosensors (SBBs)...
March 25, 2023: Trends in Biotechnology
Shanshan Li, Zilong Li, Gao-Yi Tan, Zhenguo Xin, Weishan Wang
A biosensor is an analytical device that converts a biological response into a measurable output signal. Bacterial allosteric transcription factors (aTFs) have been utilized as a novel class of recognition elements for in vitro biosensing, which circumvents the limitations of aTF-based whole-cell biosensors (WCBs) and helps to meet the increasing requirement of small-molecule biosensors for diverse applications. In this review, we summarize the recent advances related to the configuration of aTF-based biosensors in vitro...
March 25, 2023: Trends in Biotechnology
Feng Guo, Yangyi Qiao, Fengxue Xin, Wenming Zhang, Min Jiang
Bioconversion of C1 feedstocks for chemical production offers a promising solution to global challenges such as the energy and food crises and climate change. The methylotroph Pichia pastoris is an attractive host system for the production of both recombinant proteins and chemicals from methanol. Recent studies have also demonstrated its potential for utilizing CO2 through metabolic engineering or coupling with electrocatalysis. This review focuses on the bioconversion of C1 feedstocks for chemical production using P...
March 24, 2023: Trends in Biotechnology
Diewertje Houtman, Boy Vijlbrief
To share our lessons learned from using art and design to start public dialogue concerning genomics, we co-created a course called 'Art & Genomics', together with designers Bertrand Burgers and Mirte de Wit. Here, we aim to share our tips for any scientist who wants to harness creative design to trigger public engagement, illustrated by student experiences as well as our own.
March 22, 2023: Trends in Biotechnology
Jakub Gizewski, Lisa V D Sande, Dirk Holtmann
The UN Sustainable Development Goals (SDGs) are 17 interlinked goals designed to be a 'shared blueprint for peace and prosperity for people and the planet, now and into the future'. Therefore, global efforts should focus on achieving these. Herein, we discuss the contribution of electrobiotechnology to the realization of the SDGs.
March 22, 2023: Trends in Biotechnology
Masanori Kataoka, Christopher Gyngell, Julian Savulescu, Tsutomu Sawai
Representations of brain organoids in the media are often negatively or positively exaggerated without appropriate discussion. Here, we examine two topics (the possibility of consciousness and medical applications) and call on scientists, ethicists, and the media to represent brain organoid research and its ethical issues more accurately.
March 22, 2023: Trends in Biotechnology
Lucas Becker, Jonathan Sturm, Frank Eiden, Dirk Holtmann
The robustness of bioprocesses is becoming increasingly important. The main driving forces of this development are, in particular, increasing demands on product purities as well as economic aspects. In general, bioprocesses exhibit extremely high complexity and variability. Biological systems often have a much higher intrinsic variability compared with chemical processes, which makes the development and characterization of robust processes tedious task. To predict and control robustness, a clear understanding of interactions between input and output variables is necessary...
March 21, 2023: Trends in Biotechnology
Jin-Long Zhou, Feng Gao
Microalgae have the ability to remove emerging contaminants (ECs) from wastewater and to recover resources, but this is limited by oxidative damage caused by the contaminants. Recently, phytohormones have been found to improve the tolerance of microalgae under oxidative stress, to promote the removal of ECs, and to enhance the synthesis of metabolites.
March 21, 2023: Trends in Biotechnology
John M Pettersen, Yaxin Yang, Anne S Robinson
Membrane scaffold protein nanodiscs (MSPNDs) are an invaluable tool for improving purified membrane protein (MP) stability and activity compared to traditional micellar methods, thus enabling an increase in high-resolution MP structures, particularly in concert with cryogenic electron microscopy (cryo-EM) approaches. In this review we highlight recent advances and breakthroughs in MSPND methodology and applications. We also introduce and discuss saposin-lipoprotein nanoparticles (salipros) and copolymer nanodiscs which have recently emerged as authentic MSPND alternatives...
March 17, 2023: Trends in Biotechnology
Kaikun Wei, Yazhen Kou, Hongjin Kan, Wu He, Jin Li, Xinjun Guo
The impending loss of market exclusivity for established biologic products creates a lucrative market opportunity for biosimilars. However, complex and variable regulatory requirements between regions present challenges to developers. Understanding the regulatory differences between two major markets, Europe and China, will expedite entry into these key markets.
March 14, 2023: Trends in Biotechnology
Mohamadmahdi Samandari, Farnoosh Saeedinejad, Jacob Quint, Sharon Xin Ying Chuah, Razieh Farzad, Ali Tamayol
Cellular agriculture is an emerging field rooted in engineering meat-mimicking cell-laden structures using tissue engineering practices that have been developed for biomedical applications, including regenerative medicine. Research and industrial efforts are focused on reducing the cost and improving the throughput of cultivated meat (CM) production using these conventional practices. Due to key differences in the goals of muscle tissue engineering for biomedical versus food applications, conventional strategies may not be economically and technologically viable or socially acceptable...
March 11, 2023: Trends in Biotechnology
Zibo Chen
Protein-based biological circuits enable customized control of cellular functions, and de novo protein design enables circuit functionalities that are not possible by repurposing natural proteins. Here, I highlight recent progress in protein circuit design, including CHOMP, developed by Gao et al., and SPOC, developed by Fink et al.
March 9, 2023: Trends in Biotechnology
Yue Zhang, Xuemei Zhang, Meng Wang
Traditional strain breeding of industrial filamentous actinomycetes has long been hampered by insufficient screening throughput. From microtiter plate based methods to droplet-based microfluidic screening, various novel product-driven high-throughput screening (HTS) methods have pushed the screening speed limit towards a minimum of hundreds of strains per second with single cell resolution.
February 28, 2023: Trends in Biotechnology
Dixuan Xue, Shan Lu, Hailing Zhang, Li Zhang, Zhijun Dai, Dan S Kaufman, Jin Zhang
T cells, natural killer (NK) cells, macrophages (Macs), and dendritic cells (DCs) are among the most common sources for immune-cell-based therapies for cancer. Antitumor activity can be enhanced in induced pluripotent stem cell (iPSC)-derived immune cells by using iPSCs as a platform for stable genetic modifications that impact immuno-activating or -suppressive signaling pathways, such as transducing a chimeric antigen receptor (CAR) or deletion of immunosuppressive checkpoint molecules. This review outlines the utility of four iPSC-derived immune-cell-based therapies, highlight the latest progress and future trends in the genome-editing strategies designed to improve efficacy, safety, and universality, and provides perspectives that compare different contexts in which each of these iPSC-derived immune cell types can be most effectively used...
February 28, 2023: Trends in Biotechnology
Carmela Niederberger, Arthur Vermeersch, Flavia Davidhi, Collin Y Ewald, George Havenith, Jörg Goldhahn, Can Dincer, Noé Brasier
A real-time, noninvasive, and clinically applicable aging test in humans has yet to be established. Herein we propose a sweat- and wearable-based test to determine biological age. This test would empower users to monitor their aging process and take an active role in managing their lifestyle and health.
February 21, 2023: Trends in Biotechnology
Cassamo U Mussagy, Jorge F B Pereira, Laurent Dufossé
Paracoccus carotinifaciens could be considered a key microbial factory for obtaining healthier natural products such as astaxanthin (AXT), thus contributing to a bioeconomy. Short cultivation time, high production titers, and thin cell wall are the main advantages that make this bacterium promising in the development of sustainable third-generation biorefineries.
February 10, 2023: Trends in Biotechnology
Marcus Petersson, Sandra W Thrane, Lone Gram, Serge Muyldermans, Andreas H Laustsen
Single-domain antibodies (sdAbs) are exceptionally stable fragments derived from the antigen-binding domains of immunoglobulins. They can withstand extreme pH, high temperature, and proteolysis, making them suitable for controlling gastrointestinal (GI) infections in humans and animals. sdAbs may function in their native soluble form, although different derived protein formats and the use of delivery vehicles can be useful for improved oral delivery. We discuss selected examples of the use of orally delivered sdAbs for protecting humans and animals against GI infections caused by pathogenic bacteria, viruses, and parasites...
February 9, 2023: Trends in Biotechnology
Paula M Pincela Lins, Elke Pirlet, Michal Szymonik, Annelies Bronckaers, Inge Nelissen
Mesenchymal stromal cells (MSCs) are a promising therapy for various diseases ranging from ischemic stroke to wound healing and cancer. Their therapeutic effects are mainly mediated by secretome-derived paracrine factors, with extracellular vesicles (EVs) proven to play a key role. This has led to promising research on the potential of MSC-EVs as regenerative, off-the-shelf therapeutic agents. However, the translation of MSC-EVs into the clinic is hampered by the poor scalability of their production. Recently, new advanced methods have been developed to upscale MSC cultivation and EV production yields, ranging from new cell culture devices to priming procedures...
February 6, 2023: Trends in Biotechnology
Jon Rueda, Jonathan Pugh, Julian Savulescu
In response to De Proost and Segers, we provide further reflections on how technologies induce moral change. We discuss moral changes at the societal level as distinguished from changes in bioethical principles or ethical concepts, impacts on theories of justice, and whether the transformations are negative or positive.
February 2, 2023: Trends in Biotechnology
Tofazzal Islam, Rojana B Azad, Shamfin H Kasfy, Arin A Rahman, Tasnim Z Khan
The recent discovery of the horizontal transfer of a toxin-neutralizing gene from plant to whitefly (Bemisia tabaci), a polyphagous insect, sparked a new area of study. In this forum, we discuss some potential biotechnological applications of this newly discovered knowledge in the coevolutionary arms race between plants and whitefly.
February 2, 2023: Trends in Biotechnology
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