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Bio & Medicine Nov 22, 2024

Engineers refine lipid nanoparticles for better mRNA therapies

Penn Engineers have cooked up a new way to improve mRNA delivery, developing an optimal "recipe" for ionizable lipids—key ingredients in lipid nanoparticles (LNPs), the molecules behind the COVID-19 vaccines and other innovative ...

Biochemistry Nov 20, 2024

Engineered antibiotic D22 shows promise against drug-resistant bacteria

Antibacterial drugs are important for treating infections. But increasingly, bacterial resistance to current drugs—so they don't work well, or even at all—means new ones are urgently needed.

Cell & Microbiology Nov 19, 2024

By exerting 'crowd control' over mouse cells, scientists make progress towards engineering tissues

Genes aren't the sole driver instructing cells to build multicellular structures, tissues, and organs. In a paper published in Nature Communications, USC Stem Cell scientist Leonardo Morsut and Caltech computational biologist ...

Evolution Nov 14, 2024

Q&A: Holobiont biology, a new concept for exploring how microbiome shapes evolution of visible life

Microorganisms—bacteria, viruses and other tiny life forms—may drive biological variation in visible life as much, if not more, than genetic mutations, creating new lineages and even new species of animals and plants, ...

Biochemistry Nov 12, 2024

Plastic that dissolves in water could combat global pollution crisis

At a time when synthetic plastic has polluted nearly every corner of the globe and appeared in food and in the human body, Northeastern University researchers have developed a new plastic that dissolves in water.

Biotechnology Nov 7, 2024

Plant engineering method promises to dramatically improve biofuel and bioproduct development

The ability to genetically engineer plants is largely thanks to a microscopic helper: a bacterium called Agrobacterium tumefaciens. Agrobacterium in the wild causes damaging tumors in flowering plants, including some economically ...

Evolution Nov 5, 2024

Biologists reveal the genetic 'switch' behind parrot color diversity

From the Carnival in Rio de Janeiro to the shoulders of pirates: parrots are synonymous with color for people across the world. In a study published in the journal Science, scientists from The University of Hong Kong, together ...

Molecular & Computational biology Nov 4, 2024

Not the usual suspects: Research reveals novel genetic basis of pest resistance to biotech crops

If left unchecked, insect pests can devastate crops. To minimize damage and reduce the need for insecticide sprays, crops have been genetically engineered to produce bacterial proteins that kill key pests but are not harmful ...

Biotechnology Nov 3, 2024

Something to sniff at: Lab-engineered receptors illuminate odor detection

A team of researchers led by Duke University, the University of California San Francisco, and the Beckman Research Institute of the City of Hope have engineered odorant receptors to reveal the molecular basis of odor discrimination.

Cell & Microbiology Oct 24, 2024

On the way to light-controlled medicine: Researchers elucidate the structure of specific photoreceptors

Researchers in biology and medicine have long dreamed of controlling the activities of cells without, for example, having to use chemicals. After all, in a structure as complex as an entire organism, unwanted side-effects ...

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