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Origin of Life News
September 29, 2020

Top Headlines
 

Genome of Alexander Fleming's Original Penicillin-Producing Mold Sequenced

Researchers have sequenced the genome of Alexander Fleming's penicillin mould for the first time and compared it to later ...

Y Chromosomes of Neanderthals and Denisovans Now Sequenced

An international research team led by Martin Petr and Janet Kelso of the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, has determined Y chromosome sequences of three ...

Living in an Anoxic World: Microbes Using Arsenic Are a Link to Early Life

Much of life on planet Earth today relies on oxygen to exist, but before oxygen was present on our blue planet, lifeforms likely used arsenic ...

Bird Beak Revealed by Laser Imaging Informs Early Beak Function and Development

Confuciusornis was a crow-like fossil bird that lived in the Cretaceous ~120 million years ago. It was one of the first birds to evolve a beak. Early ...
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Earlier Headlines
 

In Ancient Giant Viruses Lies the Truth Behind Evolution of Nucleus in Eukaryotic Cells

An exchange of genetic material that occurred when ancient giant viruses infected ancient eukaryotic cells could have caused the nucleus of the eukaryotic cell -- its defining feature -- to form. A ...

Lost Frogs Rediscovered With Environmental DNA

Scientists have detected signs of a frog listed extinct and not seen since 1968, using an innovative technique to locate declining and missing species in two regions of ...

New Insights Into Evolution of Gene Expression

The long-term expression of genes in vertebrate organs predisposes these genes to be subsequently utilized in other organs during ...

Ancient Bony Fish Forces Rethink of How Sharks Evolved

Sharks' non-bony skeletons were thought to be the template before bony internal skeletons evolved, but a new fossil discovery suggests ...

Study Reveals Lactose Tolerance Happened Quickly in Europe

A new study published in Current Biology reveals that the ability for humans to digest milk (lactase persistence) spread through Central Europe quickly in evolutionary ...

Study Finds Missing Link in the Evolutionary History of Carbon-Fixing Protein Rubisco

A team has discovered a missing link in the evolution of photosynthesis and carbon fixation. Dating back more than 2.4 billion years, a newly discovered form of the plant enzyme rubisco could give ...

Early Cambrian Fossil: Bizarre Half-Billion-Year-Old Worm With Tentacles Solves Evolutionary Mystery

A half-a-billion years old fossil species of marine animal sheds light on how the anatomies of the two main types of an animal group called the hemichordates are related, and provides new evidence in ...

Atlantic Sturgeon in the King's Pantry -- Unique Discovery in Baltic Shipwreck from 1495

Researchers can now reveal what the Danish King Hans had planned to offer when laying claim to the Swedish throne in 1495: A two-meter-long Atlantic sturgeon. The well-preserved fish remains were ...

Catching Genes from Chlamydiae Allowed Complex Life to Live Without Oxygen

Researchers has discovered a new group of Chlamydiae - named the Anoxychlamydiales - living under the ocean floor without oxygen. These have genes that allow them to survive without oxygen while ...

Domesticated Chickens Have Smaller Brains

Researchers suggest a process by which the timid junglefowl from the rain forest could have become today's domesticated chicken. When the scientists selectively bred the junglefowl with least ...

Two Major Microbial Groups Living Deep Underground Can't Breathe

A new scientific study has revealed unique life strategies of two major groups of microbes that live below Earth's surface. These groups, originally thought to rely on symbiotic relationships ...

Tracing the Cosmic Origin of Complex Organic Molecules With Their Radiofrequency Footprint

How did organic matter reach the Earth in the first place? One way to ponder this question is by observing the distribution and abundance of complex organic molecules in interstellar gas clouds. ...

Bird Skull Evolution Slowed After the Extinction of the Dinosaurs

From emus to woodpeckers, modern birds show remarkable diversity in skull shape and size, often hypothesized to be the result of a sudden hastening of evolution following the mass extinction that ...

Traces of Ancient Life Tell Story of Early Diversity in Marine Ecosystems

If you could dive down to the ocean floor nearly 540 million years ago just past the point where waves begin to break, you would find an explosion of life -- scores of worm-like animals and other sea ...

Remains of 17th Century Bishop Support Neolithic Emergence of Tuberculosis

Researchers present analysis of the highest quality ancient Mycobacterium tuberculosis genome to date, suggesting the pathogen is much younger than previously ...

To Understand the Machinery of Life, This Scientist Breaks It on Purpose

By tinkering with some of life's oldest components, astrobiologists hope to find clues about how life emerged. In a recent article researchers report an unexpected discovery, hinting at an ...

Although overhunting led to the demise of some prehistoric megafauna after the last ice age, a new study found that the extinction of the woolly rhinoceros may have been caused by climate change. By ...

An Ancient Association? Crickets Disperse Seeds of Early-Diverging Orchid Apostasia Nipponica

A professor presents evidence of the apparently unusual seed dispersal system by crickets and camel crickets in Apostasia nipponica (Apostasioideae), acknowledged as an early-diverging lineage of ...

Oldest Enzyme in Cellular Respiration Isolated

Researchers have found what is perhaps the oldest enzyme in cellular respiration. They have been able to isolate the extremely fragile 'Rnf' protein complex from the heat-loving bacterium ...

Origins of Life: Chemical Evolution in a Tiny Gulf Stream

Chemical reactions driven by the geological conditions on the early Earth might have led to the prebiotic evolution of self-replicating molecules. Scientists now report on a hydrothermal mechanism ...

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