Search results for Eukaryote

Evolution Nov 7, 2023

New microfossils suggest earlier rise in complex life

Microfossils from Western Australia may capture a jump in the complexity of life that coincided with the rise of oxygen in Earth's atmosphere and oceans, according to an international team of scientists.

Ecology Nov 2, 2023

Wildfire plumes deposit ash on seawater, fueling growth of phytoplankton

A team of marine biologists at the University of California has found that large wildfires, such as the Thomas Fire in California, can deposit large amounts of ash on seawater, fueling the growth of phytoplankton. In their ...

Molecular & Computational biology Oct 23, 2023

Using DNA metabarcoding to analyze soil organism composition change in crop rotation farmland

A research team led by Professor Toshihiko Eki of the Department of Applied Chemistry and Life Science, Toyohashi University of Technology and others used DNA metabarcoding to analyze changes in the composition of soil organisms ...

Cell & Microbiology Oct 19, 2023

A change in rigidity switches the function of protein condensates involved in sensing touch

Touch plays a fundamental role in our physical, emotional, and social well-being. From a primary way of conveying emotions to sensory integration, it is crucial for the complex growth of cognitive, emotional, social, and ...

Molecular & Computational biology Oct 13, 2023

Thousands of programmable DNA-cutters found in algae, snails, and other organisms

A diverse set of species, from snails to algae to amoebas, make programmable DNA-cutting enzymes called Fanzors—and a new study from scientists at MIT's McGovern Institute for Brain Research has identified thousands of them. ...

Evolution Oct 12, 2023

Programmed cell death may be 1.8 billion years old

Apoptosis, often referred to as programmed cell death, is a fundamental process crucial to the growth and development of multicellular organisms. This process, or a primordial form of it, is also observed in single-celled ...

Cell & Microbiology Oct 2, 2023

Cell biologists identify new organelle present in mammalian cells made of rings of DNA

Researchers at ETH Zurich recently identified a previously unknown compartment in mammalian cells. They have named it the exclusome. It is made up of DNA rings known as plasmids. The researchers have published details of ...

Plants & Animals Sep 28, 2023

Global phosphoproteomics reveal the diverse roles of casein kinase 1 in plant development

Protein phosphorylation is a major posttranslational modification carried out by protein kinases that constitute an integral part of complex signaling networks in eukaryotes. Casein kinase 1 (CK1) is a conserved serine/threonine ...

Cell & Microbiology Sep 28, 2023

Scientists reveal how phosphate escapes from actin filaments

Actin filaments are dynamic protein-fibers in the cell built from single actin proteins. Many cellular functions, including cell movement, are regulated by constant filament assembly and disassembly. The disassembly phase ...

Biotechnology Sep 27, 2023

Study clarifies how 'junk DNA' influences gene expression

For decades, scientists have known that, despite its name, "junk DNA" in fact plays a critical role: While the coding genes provide blueprints for building proteins, which direct most of the body's functions, some of the ...

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