Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:

 

The World's First Discovery of genes in jigsaw-like pieces from an archaeon living in hot spring

05.02.2009
Japanese researchers have announced the world's first discovery of genes in jigsaw-like pieces from an archaeon living in hot spring, which gives new insight into the origin of genes.

A new insight into the origin of genes

Japanese researchers have announced the world's first discovery of genes in jigsaw-like pieces from an archaeon living in hot spring, which gives new insight into the origin of genes. The finding was published in The Proceedings of the National Academy of Science (PNAS Online) on 3 February 2009.

Kosuke Fujishima, the first author of the paper speculates, 'It is hard to believe that long functional genes existed from the early time of ancient life. It may be possible that as in the tRNA genes we've found, long genes may have evolved from the combination of short genes through trial and error'. These findings are highly expected to lead to explaining the origin and evolution of genes.

The research group from Keio University's Institute for Advanced Biosciences found that combination of 3 individual RNA produced from separate genes can generate transfer RNA (tRNA) that are essential for decoding the genomic information during protein biosynthesis. Usually, tRNA is encoded on the genomic DNA as a single gene, while in this archaeon, some tRNAs are encoded as a split tRNA genes. Furthermore, through computational analysis and experimental verification, the group has found that different tRNA genes are produced by various combinations of split tRNA (like a jigsaw puzzle, download file for Figure). This very rare phenomenon found in the deep-branching archaeon suggests that in ancient life, short genes could have been used in multiple combinations.

For more information, please contact
Ms. Akiko Shiozawa
Public Relations
Institute for Advanced Biosciences, Keio University
TEL: {81-235-29-0800
FAX: {81-235-29-0809
E-mail: akiko@ttck.keio.ac.jp

Center for Research Promotion | ResearchSEA
Further information:
http://www.iab.keio.ac.jp/
http://www.pnas.org/content/early/2009/02/03/0808246106.abstract
http://www.researchsea.com

More articles from Life Sciences:

nachricht Making fuel out of thick air
08.12.2017 | DOE/Argonne National Laboratory

nachricht ‘Spying’ on the hidden geometry of complex networks through machine intelligence
08.12.2017 | Technische Universität Dresden

All articles from Life Sciences >>>

The most recent press releases about innovation >>>

Die letzten 5 Focus-News des innovations-reports im Überblick:

Im Focus: Scientists channel graphene to understand filtration and ion transport into cells

Tiny pores at a cell's entryway act as miniature bouncers, letting in some electrically charged atoms--ions--but blocking others. Operating as exquisitely sensitive filters, these "ion channels" play a critical role in biological functions such as muscle contraction and the firing of brain cells.

To rapidly transport the right ions through the cell membrane, the tiny channels rely on a complex interplay between the ions and surrounding molecules,...

Im Focus: Towards data storage at the single molecule level

The miniaturization of the current technology of storage media is hindered by fundamental limits of quantum mechanics. A new approach consists in using so-called spin-crossover molecules as the smallest possible storage unit. Similar to normal hard drives, these special molecules can save information via their magnetic state. A research team from Kiel University has now managed to successfully place a new class of spin-crossover molecules onto a surface and to improve the molecule’s storage capacity. The storage density of conventional hard drives could therefore theoretically be increased by more than one hundred fold. The study has been published in the scientific journal Nano Letters.

Over the past few years, the building blocks of storage media have gotten ever smaller. But further miniaturization of the current technology is hindered by...

Im Focus: Successful Mechanical Testing of Nanowires

With innovative experiments, researchers at the Helmholtz-Zentrums Geesthacht and the Technical University Hamburg unravel why tiny metallic structures are extremely strong

Light-weight and simultaneously strong – porous metallic nanomaterials promise interesting applications as, for instance, for future aeroplanes with enhanced...

Im Focus: Virtual Reality for Bacteria

An interdisciplinary group of researchers interfaced individual bacteria with a computer to build a hybrid bio-digital circuit - Study published in Nature Communications

Scientists at the Institute of Science and Technology Austria (IST Austria) have managed to control the behavior of individual bacteria by connecting them to a...

Im Focus: A space-time sensor for light-matter interactions

Physicists in the Laboratory for Attosecond Physics (run jointly by LMU Munich and the Max Planck Institute for Quantum Optics) have developed an attosecond electron microscope that allows them to visualize the dispersion of light in time and space, and observe the motions of electrons in atoms.

The most basic of all physical interactions in nature is that between light and matter. This interaction takes place in attosecond times (i.e. billionths of a...

All Focus news of the innovation-report >>>

Anzeige

Anzeige

Event News

Innovative strategies to tackle parasitic worms

08.12.2017 | Event News

AKL’18: The opportunities and challenges of digitalization in the laser industry

07.12.2017 | Event News

Blockchain is becoming more important in the energy market

05.12.2017 | Event News

 
Latest News

New research identifies how 3-D printed metals can be both strong and ductile

11.12.2017 | Physics and Astronomy

Scientists channel graphene to understand filtration and ion transport into cells

11.12.2017 | Materials Sciences

What makes corals sick?

11.12.2017 | Earth Sciences

VideoLinks
B2B-VideoLinks
More VideoLinks >>>