Search results for Prokaryote

Evolution Aug 28, 2024

Research team discovers 'impossible' unicellular organism

The origin of eukaryotes is considered one of the greatest enigmas in biology: according to current doctrine, two prokaryotes, a so-called Asgard archaeon and a bacterium, are believed to have merged. The bacterium is said ...

Cell & Microbiology Aug 26, 2024

Investigating adaptive strategies of high and low nucleic acid prokaryotes

A research team conducted a 73-day large-volume Aquatron macrocosm experiment, utilizing flow cytometry and dilution experiments to thoroughly investigate the temporal changes and influencing factors in the abundance, growth ...

Evolution Aug 21, 2024

Ancient microbes linked to evolution of human immune proteins

When you become infected with a virus, some of the first weapons your body deploys to fight it are those passed down to us from our microbial ancestors billions of years ago. According to new research from The University ...

Cell & Microbiology Aug 20, 2024

Unveiling the intricate and subtle dance of proteins: Understanding how parasites disarm host defenses

Pathogens hijack host cell functions by expressing or secreting effector proteins, creating environments conducive to their survival and reproduction. These pathogenic microorganisms—including eukaryotic parasites, prokaryotic ...

Ecology Aug 14, 2024

Earth's oldest, tiniest creatures are poised to be climate change winners—and the repercussions could be huge

The world's oceans are home to microscopic organisms invisible to the human eye. The tiny creatures, known as "prokaryotes," comprise 30% of life in the world's oceans.

Evolution Aug 5, 2024

Sex chromosomes may reduce 'sexual conflict' during evolution, say researchers

Researchers from Tokyo Metropolitan University have taken a big step in solving the mystery around why animals evolve sex chromosomes. It had long been proposed that sex chromosomes evolved to reduce "sexual conflict," the ...

Evolution Jul 12, 2024

Insight into one of life's earliest ancestors revealed in new study

An international team of researchers led by the University of Bristol has shed light on Earth's earliest ecosystem, showing that within a few hundred million years of planetary formation, life on Earth was already flourishing.

Biochemistry Jun 6, 2024

Researchers discover how nature repurposes ammonium transporters as receptors

A team led by Freiburg biochemist Prof. Dr. Susana Andrade has characterized a new membrane protein that allows microorganisms to repurpose ammonium transporters (Amts) as receptors.

Cell & Microbiology May 24, 2024

Researchers reveal how acetylation regulates centromere dynamics, chromosome segregation and mitotic progression

Cell division produces new cells, which underpin life proliferation and development. Mitosis is the shortest and the most dynamic phase of the cell cycle. During mitosis, chromosomes are evenly distributed between the two ...

Cell & Microbiology Apr 26, 2024

CRISPR is promising to tackle antimicrobial resistance, but bacteria can fight back

In his presentation "How to use CRISPR-Cas to combat AMR" at the ESCMID Global Congress, Assistant Prof. Ibrahim Bitar, Department of Microbiology, Faculty of Medicine and University Hospital in Plzen, Charles University ...

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