Биотехнологии

Органоиды гипофиза и гипоталамуса из стволовых клеток человека выработали АКТГ у мышей и макак

Органоиды гипофиза и гипоталамуса из стволовых клеток человека выработали АКТГ у мышей и макак

Молоко дельфинов впервые изучили на уровне микроРНК — оно оказалось схоже с человеческим

Генетики прочитали ДНК людей из элитарных саргатских курганов

Российские генетики секвенировали ДНК восьми представителей саргатской археологической культуры, которых в раннем железном веке похоронили в Среднем Прииртышье в элитарных курганах. Исследователи определили у трех мужчин Y-хромосомные линии, которые…

Человеческий «прыгающий ген» обнаружили в вирусе

Биомедики связали ограничение белковой пищи с увеличением продолжительности жизни

Эволюционные биологи объяснили широкое распространение генетического риска волчанки

Leucine does more than build muscle. It powers up your cells

The essential amino acid leucine can boost cellular energy production by protecting key proteins on mitochondria from being destroyed. The discovery reveals a new connection between nutrition and metabolism that could eventually lead to new approaches for…

Scientists find evidence for two origins of life on Earth

Scientists probing life’s deepest origins have uncovered evidence that the first free-living cells may have emerged not once, but twice. The findings suggest a striking possibility: life may share one ancient genetic code, yet have undergone two separate…

One tiny chemical difference between RNA and DNA may help explain how life began

Scientists may have found a clue to one of the biggest mysteries surrounding the origin of life: how fragile RNA molecules could gather and survive before cells existed. New research shows that RNA is unusually good at assembling into tiny liquid-like…

Scientists just found what keeps plant cells from growing out of control

Before seedlings can photosynthesize, they depend on fatty acids—and on peroxisomes to process them. Researchers discovered that the protein PEX11 not only helps these structures divide but also controls their size during early growth. When key genes were…

New “plant armor” more than triples strawberry yields

A new protective fabric boosted strawberry yields by as much as 3.56 times while blocking insects and still allowing sunlight, rain, and airflow to reach the plants. Originally inspired by research on military clothing, Plant Armor could also help farms…

A donut-shaped protein breaks apart to start bacterial cell division

Researchers have revealed how bacteria precisely control the genes that trigger cell division. The study shows that the MraZ protein, which normally forms a donut-shaped structure, must bend and partially break apart to bind key DNA sequences that activate…

Mulberry may reshape gut bacteria and influence metabolism

Mulberry compounds may reshape the gut microbiome in ways that support intestinal health and metabolism, with some combinations showing especially strong effects in animal studies. However, the results vary depending on the plant part and processing method…

Light-guided evolution creates proteins that can switch, sense, and compute

Researchers have created a method called optovolution that uses light to guide the evolution of proteins with dynamic behaviors. By engineering yeast cells so their survival depended on proteins switching states at the right time, scientists could rapidly…

Bats may have first evolved in Europe 65 million years ago

A huge genomic and fossil study suggests bats first evolved in Europe around 65 to 60 million years ago before spreading across the globe. The findings also indicate that flight and echolocation emerged near the beginning of bat evolution, potentially helping…

The 4x rule: Why some people’s DNA is more unstable than others

A large genetic study shows that many people carry DNA sequences that slowly expand as they get older. Common genetic variants can dramatically alter how fast this expansion happens, sometimes multiplying the pace by four. Researchers also identified specific…

Scientists find new virus behind mysterious tick illness

Scientists have discovered a new tick-borne virus in China that causes flu-like illness and may account for previously unexplained cases of fever, fatigue, digestive problems, and low platelet counts. Most patients with ALTNV alone recovered, but coinfections…

Sunflowers may be the future of "vegan meat"

A collaboration between Brazilian and German researchers has led to a sunflower-based meat substitute that’s high in protein and minerals. The new ingredient, made from refined sunflower flour, delivers excellent nutritional value and a mild flavor. Tests…