Add BrightSurf on Google Email

James Chappell wins NSF CAREER Award

James Chappell, a Rice University bioscientist, has won a National Science Foundation CAREER Award to create RNA programming methods for microbial communities in natural habitats. His research aims to improve human health and the environment by genetically manipulating microbial communities.

Designing more useful bacteria

Scientists create modified E. coli bacteria that cannot be infected by viruses while minimizing gene escape into the wild. This breakthrough technology has implications for reducing viral contamination in biotechnology production, such as insulin production and biofuel manufacturing.

SourceHarvard Medical School·JournalNature·TypeExperimental study·DateMar 15, 2023

Nanosatellite shows the way to RNA medicine of the future

Scientists at Aarhus University and Berkeley Laboratory developed a method called RNA origami to design artificial RNA nanostructures. The technique allowed for the discovery of rules and mechanisms for RNA folding that will make it possible to build more ideal RNA particles for use in RNA-based medicine.

SourceAarhus University·JournalNature Nanotechnology·TypeExperimental study·DateFeb 27, 2023

Linking fossil climate proxies to living bacteria helps climate predictions

A new study reveals that certain types of lipids found in ancient fossils are produced by specific living bacteria. By identifying these microorganisms and understanding how they produce the lipids, scientists can create more accurate climate reconstructions. This discovery also sheds light on the early evolution of life on Earth.

Pathogenic sensor’s surprising capabilities revealed

Researchers developed a new way to study the sensory system used by pathogenic bacteria to infect humans. They screened thousands of peptides against a bacterial sensor and discovered 13 new human antimicrobial peptides (AMPs) that activate the sensor. The findings suggest an arms race between humans and bacteria, with each evolving ne...

SourceRice University·JournalNature Chemical Biology·TypeExperimental study·DateDec 12, 2022

Why synonymous mutations are not always silent

Researchers modeled how genetic changes affecting protein synthesis speed can lead to misfolding and altered activity levels in proteins. This finding suggests the importance of kinetics alongside sequence for determining protein structure and function, with potential implications for fields such as biopharmaceutics and medicine.

SourcePenn State·JournalNature Chemistry·TypeComputational simulation/modeling·DateDec 5, 2022

Synthetic biology meets medicine: ‘programmable molecular scissors’ could help fight COVID-19 infection

Researchers at Cambridge University have successfully created artificial enzymes, known as XNAzymes, that can target and destroy the genetic code of SARS-CoV-2, a promising approach to develop new antiviral drugs. The engineered enzymes are highly specific and can be programmed to attack mutated RNAs involved in cancer or other diseases.

SourceUniversity of Cambridge·JournalNature Communications·TypeExperimental study·DateNov 16, 2022

Artificial intelligence makes enzyme engineering easy

Researchers from Osaka University have developed an AI-powered method to identify optimal amino acid mutations in enzymes. This approach accelerates the enzyme engineering process, allowing for tailored enzyme designs suitable for various biochemical environments.

SourceOsaka University·JournalACS Synthetic Biology·TypeData/statistical analysis·DateNov 3, 2022

Two-stage chemical and bioconversion approach turns mixed plastic waste into valuable chemical products

Researchers develop two-stage approach converting mixed plastic waste into polyhydroxyalkanoates, a family of bioplastics suitable for medical materials. The hybrid process combines metal ion-promoted oxidation and bioconversion via genetically modified soil bacterium, enabling efficient recycling of commonly used plastics.

RNA origami enables applications in synthetic biology

Researchers at Aarhus University use RNA origami sponges and CRISPR technology to regulate protein production levels and gene expression in bacteria and yeast. This approach generates stable, interactive molecules for synthetic biology-based regulation, enabling unique applications in industrial, diagnostic, and therapeutic fields.

SourceAarhus University·JournalNucleic Acids Research·TypeExperimental study·DateOct 5, 2022

The "cellular" network

Scientists at the University of Pittsburgh create microcapsules that exhibit life-like autonomy through self-generated motion and chemical signals. The system mimics protocell behavior, showcasing the potential for simple mechanisms to produce complex biological functions.

SourceUniversity of Pittsburgh·JournalMatter·TypeComputational simulation/modeling·DateOct 5, 2022

Glowing tags reveal split-second activity of pathogenic circuitry

Researchers at Rice University have created a new optical tool called homo-FRET that allows them to observe the real-time activity of two-component systems in bacteria. This breakthrough enables scientists to study the behavior of deadly pathogens and antibiotic-resistant bacteria, shedding light on their mechanisms and potential targe...

SourceRice University·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateAug 25, 2022

More than meets the eye: How patterns in nature arise and inspire everything from scientific theory to biodegradable materials

A University of Arizona-led study uses bacteria to understand how natural patterns form through mechanical interactions. The findings suggest that just four different adhesive molecules are sufficient to create any possible tiling pattern, with implications for understanding complex multicellular life and creating biodegradable materials.

SourceUniversity of Arizona·JournalNature·TypeExperimental study·DateAug 10, 2022

To cell surface and beyond: Tracing subcellular glycoprotein transport using modified cholera toxin

Scientists at Okayama University designed and tested a modified cholera toxin to study glycosylation in eukaryotic cells. They tracked the toxin's movement through organelles using bioluminescence, gaining insights into protein modification. This method may lead to new treatments for diseases caused by enzyme deficiencies.

SourceOkayama University·JournalChemistry - A European Journal·TypeExperimental study·DateJul 25, 2022

A 'wise counsel' for synthetic biology

A team of researchers at Max-Planck-Gesellschaft developed METIS, a modular software system for optimizing biological systems using machine learning. The tool allows users to optimize their already discovered or synthesized biological systems and can be used with different lab equipment.

SourceMax-Planck-Gesellschaft·JournalNature Communications·TypeComputational simulation/modeling·DateJul 8, 2022

Living sensor research wins federal backing

The five-year grant aims to develop electrobiology techniques that enable applications like living sensors to quickly detect environmental pollutants. The project will involve multiple disciplines, including synthetic biology, protein engineering, soft materials, microsystems integration, and machine learning.

Rebooting evolution

Scientists have developed a new computational tool that mimics the processes of natural selection, producing proteins for medicinal and household uses. This innovation reduces the time required for laboratory evolution from months or years to just days.

SourceCurtin University·JournalNature Chemical Biology·TypeRandomized controlled/clinical trial·DateFeb 24, 2022

New DNA computer assesses water quality

A new DNA-based device can detect contamination levels in water, providing a more accurate picture of water quality. The device uses genetic networks to mimic electronic circuits and can detect zinc, lead, and other contaminants at varying concentrations.

SourceNorthwestern University·JournalNature Chemical Biology·TypeExperimental study·DateFeb 17, 2022

Stanford researchers take “protein circuits” a step closer to cell-to-cell communication

Stanford researchers have made a breakthrough in developing protein circuits that can enable cell-to-cell communication, mimicking the natural process of cells interacting with neighboring cells. The new platform, RELEASE, allows proteins to be secreted and displayed on the cell surface, enabling cells to respond to these signals.

SourceStanford University·JournalNature Communications·DateFeb 17, 2022

Roswell Biotechnologies demonstrates molecular electronics sensors on a semiconductor chip in peer-review paper

Roswell Biotechnologies has developed a molecular electronics sensor on a semiconductor chip, enabling real-time detection of single molecules for diverse applications including drug discovery, diagnostics, and DNA sequencing. The platform offers unlimited scalability in sensor pixel density and high resolution measurements.

SourceRoswell Biotechnologies·JournalProceedings of the National Academy of Sciences·DateJan 24, 2022

New gene-writing technology to obtain more effective and safe therapies developed

Researchers have developed Find Cut-and-Transfer (FiCAT) technology, a tool capable of accurately writing small and large genes. FiCAT allows precise insertion of large fragments into the genome, enabling development of therapeutic solutions for diseases like Duchenne muscular dystrophy and hereditary blindness.

SourceUniversitat Pompeu Fabra - Barcelona·JournalNature Communications·TypeExperimental study·DateDec 13, 2021

Swirling bacteria mimic Van Gogh’s ‘The Starry Night’

Researchers from Rice University and the University of Wyoming discovered self-organization into circular aggregates in Myxococcus xanthus, a model system for social cooperation. The circular behavior is linked to TraAB protein overexpression, which creates a sticky bond between cells, preventing reversals.

SourceRice University·JournalmSystems·TypeExperimental study·DateDec 13, 2021