Results tagged “genomics”

The basic building blocks of RNA could have been delivered by carbon-rich meteorites, or produced in situ by processes beginning with the synthesis of hydrogen cyanide (HCN) in the early Earth's atmosphere.

DNA In Archaeological Sediments

The analysis of ancient DNA preserved in sediments is an emerging technology allowing for the detection of the past presence of humans and other animals at archaeological sites.

The genetic code of all three kingdoms of life is universal and encodes the same 20 natural amino acids for a variety of complex physiological functions.

Tomonari Sumi, Associate Professor of Research Institute for Interdisciplinary Science, Okayama University, and Koji Harada, Associate Professor of Center for IT-Based Education, Toyohashi University of Technology, have developed a kinetic hypothesis governing the evolution of the Last Universal Common Ancestor (LUCA) based on the simulation of the carbon metabolism of ancient evolutionary microorganisms, which are similar to the LUCA.

The GL4HS program is a 4-week intensive summer program hosted by NASA Ames Research Center and funded by NASA's Space Biology program.

Samples of Bacillus pumilus SAFR-032, an endospore-forming bacterial strain, were externally mounted on ISS in the EXPOSE facility and with full UV exposure.

On 22 May 2019, scientists from Queen's University boarded a modified Falcon 20 aircraft at Ottawa airport. Scheduled was a 'vomit comet' flight, where the plane repeatedly climbs to 8km in a steep parabola, alternating with a descent in freefall.

The emergence of eukaryotic cells is considered as a critical biological evolutionary event on Earth.

A team of scientists from the Institute of Vertebrate Paleontology and Paleoanthropology (IVPP) of the Chinese Academy of Sciences and from the Shandong Tianyu Museum of Nature (STM) has isolated exquisitely preserved cartilage cells in a 125-million-year-old dinosaur from Northeast China that contain nuclei with remnants of organic molecules and chromatin.

Researchers from The Hong Kong University of Science and Technology (HKUST) have decoded the chromosomal-level genome of a deep-sea gutless tubeworm and the genome of its co-living "partner" - a kind of bacteria that provide nutrients they generate from inorganic compounds to the worm for the first time, explaining how the pair adapts to the extreme habitat.

Researchers have developed and successfully demonstrated a novel method for studying how cells repair damaged DNA in space. Sarah Stahl-Rommel of Genes in Space and colleagues present the new technique in the open-access journal PLOS ONE on June 30, 2021.

The presence of amino acids on the prebiotic Earth is widely accepted, either coming from endogenous chemical processes or being delivered by extraterrestrial material. On the other hand, plausibly prebiotic pathways to peptides often rely on different aqueous approaches where condensation of amino acids is thermodynamically unfavorable.

The genome of single-celled plankton, known as dinoflagellates, is organized in an incredibly strange and unusual way, according to new research. The findings lay the groundwork for further investigation into these important marine organisms and dramatically expand our picture of what a eukaryotic genome can look like.

Nagoya University scientists in Japan have demonstrated how DNA-like molecules could have come together as a precursor to the origins of life.

Chemists at Scripps Research have made a discovery that supports a surprising new view of how life originated on our planet.

University of Alberta researchers have found an answer to a fundamental question in genomic biology that has eluded scientists since the discovery of DNA: Within the nucleus of our cells, is the complex package of DNA and proteins called chromatin a solid or a liquid?

Perhaps as far back as the history of research and philosophy goes, people have attempted to unearth how life on earth came to be.

An international team of researchers has discovered a new group of Chlamydiae - Anoxychlamydiales - living under the ocean floor without oxygen.

"I'm fascinated with life, and that's why I want to break it." This is how Betül Kaçar, an assistant professor at the University of Arizona with appointments in the Department of Molecular and Cellular Biology, Department of Astronomy and the Lunar and Planetary Laboratory, describes her research.

NASA astronaut and Expedition 63 Commander Chris Cassidy works inside the International Space Station's Harmony module servicing microbial DNA samples for sequencing and identification.

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