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Today โ€” 17 May 2024Main stream

Study identifies new topogenesis pathway for folding and assembly of multi-spanning membrane proteins

Researchers led by Prof. Zhang Zairong from the Shanghai Institute of Organic Chemistry of the Chinese Academy of Sciences have identified a post-translational topogenesis pathway for the folding and assembly of multi-spanning membrane proteins (MSPs).

Deep-sea sponge's 'zero-energy' flow control could inspire new energy efficient designs

The Venus flower basket sponge, with its delicate glass-like lattice outer skeleton, has long intrigued researchers seeking to explain how this fragile-seeming creature's body can withstand the harsh conditions of the deep sea where it lives.

Study shows plants restrict use of corrective 'Tipp-Ex proteins'

Plants have special corrective molecules at their disposal that can make retrospective modifications to copies of genes. However, it would appear that these "Tipp-Ex proteins" do not have permission to work in all areas of the cell, only being used in chloroplasts and mitochondria.

Researchers in Portugal develop an image analysis AI platform to boost worldwide research

A team of researchers from the Instituto Gulbenkian de Ciรชncia (IGC) in Portugal, together with ร…bo Akademi University in Finland, the AI4Life consortium, and other collaborators, have developed an innovative open-source platform called DL4MicEverywhere. The paper, "DL4MicEverywhere: Deep learning for microscopy made flexible, shareable, and reproducible," was published in the journal Nature Methods.

Using DNA origami, researchers create diamond lattice for future semiconductors of visible light

The shimmering of butterfly wings in bright colors does not emerge from pigments. Rather, photonic crystals are responsible for the play of colors. Their periodic nanostructure allows light at certain wavelengths to pass through while reflecting other wavelengths. This causes the wing scales, which are in fact transparent, to appear so magnificently colored.

Study finds paleolithic people settled in Cyprus thousands of years earlier than previously thought

The patterns of dispersal of early humans across continents and islands are hotly debated, but according to a new study in Proceedings of the National Academy of Sciences, Pleistocene hunter-gatherers settled in Cyprus thousands of years earlier than previously thought.

Remains of two men from central China shed light on ancient practice of punitive amputation

It's a scene straight out of a mystery novel: The skeletons of two unrelated men show signs of remarkably similar injuries. One is missing about one-fifth of his lower left leg, while the other is missing the same length of bone, down to the centimeter, on his right.

Modern plant enzyme partners with surprisingly ancient protein

Scientists from the U.S. Department of Energy's (DOE) Brookhaven National Laboratory have discovered that a protein responsible for the synthesis of a key plant material evolved much earlier than suspected. The research published in The Plant Cell, explores the origin and evolution of the biochemical machinery that builds lignin, a structural component of plant cell walls with significant impacts on the clean energy industry.

Astronomers detect rare neutral atomic-carbon absorbers with deep neural network

Recently, an international team led by Prof. Ge Jian from the Shanghai Astronomical Observatory of the Chinese Academy of Sciences conducted a search for rare weak signals in quasar spectral data released by the Sloan Digital Sky Survey III (SDSS-III) program using deep learning neural networks.

Chemists develop new method for making gamma chiral centers on simple carboxylic acids

Scripps Research chemists have accomplished a long-elusive feat in synthetic chemistry: the invention of a broadly useful method for constructing "gamma chiral centers" on simple starting compounds called carboxylic acids. The method significantly extends the ability of chemists to build and modify complex pharmaceutical molecules and other valuable chemical products.

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