Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:


English Flies v Italian Flies And The Rhythm Of Life

Italian flies behave completely differently from English ones – and the difference lies in their genes, a new study from the University of Leicester has discovered.

The finding in the world renowned Department of Genetics at the University of Leicester has shed new light on the rhythm of life.

The Leicester team has published its findings in two back-to-back papers in the journal Science and further develops a decade-old Leicester discovery.

The Leicester research relates to two important aspects of life:

... more about:
»Genetics »flies

The 24-hour body clock known as the circadian cycle

The seasonal cycle (hibernation) known as diapause in insects

Professor Bambos Kyriacou and his team in Genetics found for the first time a connection between these two cycles in a single gene. Their finding settles a decades-old argument about the correlations between the two cycles.

This gene, called timeless, was found to control the 24-hour rhythm of the fruifly as well as its seasonal cycle.

Professor Kyriacou said: “The story begins in 1997 with a discovery by Dr Ezio Rosato, now Reader in the Genetics department, but then a postdoc in my lab. He found that the timeless gene came in two different versions L-tim and S-tim. In collaboration with Professor Rudi Costa’s group in Padova Italy, a study of natural European fly populations revealed that the L-tim variant was found predominantly in the south of Europe, and S-tim in the north.

“Dr Eran Tauber, now Lecturer in Genetics, but also formerly a postdoc in my laboratory, then showed that L-tim had been derived from S-tim by a mutation that occurred about 8000 years ago in southeastern Italy, and then had spread by natural selection in all directions.”

Professor Kyriacou explained that this occurred as a result of the different environments, particularly daylight conditions and temperature, between northern and southern Europe.

“These studies are important, not just because they show that the timeless gene connects the two major biological cycles on our planet, but as a pretty complete evolutionary story,” he said.

Ather Mirza | alfa
Further information:

Further reports about: Genetics flies

More articles from Life Sciences:

nachricht Novel mechanisms of action discovered for the skin cancer medication Imiquimod
21.10.2016 | Technische Universität München

nachricht Second research flight into zero gravity
21.10.2016 | Universität Zürich

All articles from Life Sciences >>>

The most recent press releases about innovation >>>

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

Im Focus: New 3-D wiring technique brings scalable quantum computers closer to reality

Researchers from the Institute for Quantum Computing (IQC) at the University of Waterloo led the development of a new extensible wiring technique capable of controlling superconducting quantum bits, representing a significant step towards to the realization of a scalable quantum computer.

"The quantum socket is a wiring method that uses three-dimensional wires based on spring-loaded pins to address individual qubits," said Jeremy Béjanin, a PhD...

Im Focus: Scientists develop a semiconductor nanocomposite material that moves in response to light

In a paper in Scientific Reports, a research team at Worcester Polytechnic Institute describes a novel light-activated phenomenon that could become the basis for applications as diverse as microscopic robotic grippers and more efficient solar cells.

A research team at Worcester Polytechnic Institute (WPI) has developed a revolutionary, light-activated semiconductor nanocomposite material that can be used...

Im Focus: Diamonds aren't forever: Sandia, Harvard team create first quantum computer bridge

By forcefully embedding two silicon atoms in a diamond matrix, Sandia researchers have demonstrated for the first time on a single chip all the components needed to create a quantum bridge to link quantum computers together.

"People have already built small quantum computers," says Sandia researcher Ryan Camacho. "Maybe the first useful one won't be a single giant quantum computer...

Im Focus: New Products - Highlights of COMPAMED 2016

COMPAMED has become the leading international marketplace for suppliers of medical manufacturing. The trade fair, which takes place every November and is co-located to MEDICA in Dusseldorf, has been steadily growing over the past years and shows that medical technology remains a rapidly growing market.

In 2016, the joint pavilion by the IVAM Microtechnology Network, the Product Market “High-tech for Medical Devices”, will be located in Hall 8a again and will...

Im Focus: Ultra-thin ferroelectric material for next-generation electronics

'Ferroelectric' materials can switch between different states of electrical polarization in response to an external electric field. This flexibility means they show promise for many applications, for example in electronic devices and computer memory. Current ferroelectric materials are highly valued for their thermal and chemical stability and rapid electro-mechanical responses, but creating a material that is scalable down to the tiny sizes needed for technologies like silicon-based semiconductors (Si-based CMOS) has proven challenging.

Now, Hiroshi Funakubo and co-workers at the Tokyo Institute of Technology, in collaboration with researchers across Japan, have conducted experiments to...

All Focus news of the innovation-report >>>



Event News

#IC2S2: When Social Science meets Computer Science - GESIS will host the IC2S2 conference 2017

14.10.2016 | Event News

Agricultural Trade Developments and Potentials in Central Asia and the South Caucasus

14.10.2016 | Event News

World Health Summit – Day Three: A Call to Action

12.10.2016 | Event News

Latest News

Resolving the mystery of preeclampsia

21.10.2016 | Health and Medicine

Stanford researchers create new special-purpose computer that may someday save us billions

21.10.2016 | Information Technology

From ancient fossils to future cars

21.10.2016 | Materials Sciences

More VideoLinks >>>