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

All articles from Life Sciences >>>

The most recent press releases about innovation >>>

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

Im Focus: In best circles: First integrated circuit from self-assembled polymer

For the first time, a team of researchers at the Max-Planck Institute (MPI) for Polymer Research in Mainz, Germany, has succeeded in making an integrated circuit (IC) from just a monolayer of a semiconducting polymer via a bottom-up, self-assembly approach.

In the self-assembly process, the semiconducting polymer arranges itself into an ordered monolayer in a transistor. The transistors are binary switches used...

Im Focus: Demonstration of a single molecule piezoelectric effect

Breakthrough provides a new concept of the design of molecular motors, sensors and electricity generators at nanoscale

Researchers from the Institute of Organic Chemistry and Biochemistry of the CAS (IOCB Prague), Institute of Physics of the CAS (IP CAS) and Palacký University...

Im Focus: Hybrid optics bring color imaging using ultrathin metalenses into focus

For photographers and scientists, lenses are lifesavers. They reflect and refract light, making possible the imaging systems that drive discovery through the microscope and preserve history through cameras.

But today's glass-based lenses are bulky and resist miniaturization. Next-generation technologies, such as ultrathin cameras or tiny microscopes, require...

Im Focus: Stem cell divisions in the adult brain seen for the first time

Scientists from the University of Zurich have succeeded for the first time in tracking individual stem cells and their neuronal progeny over months within the intact adult brain. This study sheds light on how new neurons are produced throughout life.

The generation of new nerve cells was once thought to taper off at the end of embryonic development. However, recent research has shown that the adult brain...

Im Focus: Interference as a new method for cooling quantum devices

Theoretical physicists propose to use negative interference to control heat flow in quantum devices. Study published in Physical Review Letters

Quantum computer parts are sensitive and need to be cooled to very low temperatures. Their tiny size makes them particularly susceptible to a temperature...

All Focus news of the innovation-report >>>

Anzeige

Anzeige

VideoLinks
Industry & Economy
Event News

2nd International Conference on High Temperature Shape Memory Alloys (HTSMAs)

15.02.2018 | Event News

Aachen DC Grid Summit 2018

13.02.2018 | Event News

How Global Climate Policy Can Learn from the Energy Transition

12.02.2018 | Event News

 
Latest News

Researchers invent tiny, light-powered wires to modulate brain's electrical signals

21.02.2018 | Life Sciences

The “Holy Grail” of peptide chemistry: Making peptide active agents available orally

21.02.2018 | Life Sciences

Atomic structure of ultrasound material not what anyone expected

21.02.2018 | Materials Sciences

VideoLinks
Science & Research
Overview of more VideoLinks >>>