In a series of landmark papers to appear in journals including PLoS Biology and Insect Molecular Biology, the scientists shed light on the identity of an organism whose genome sequence offers solutions to central questions in basic biology and applied agriculture.
Both a highly destructive pest and highly complex organism, the aphid is known for the damage it causes to crops, feeding on the phloem sap in plants and spreading deadly viruses. Yet aphids have also evolved complex life cycles, alternating between sexual and asexual reproduction, producing offspring with multiple phenotypes and forming symbiotic relationships with inherited bacteria.
Many of these unusual features find their origins in the 35,000 newly-identified genes of the pea aphid genome, 37% of which, the researchers show, are unique to aphids. Among other discoveries, the researchers find a highly increased number of genes associated with reproduction, gene expression, signaling and virus transmission, and a strikingly reduced repertoire of immunity-related genes. At the evolutionary level, the discovery of a dozen functional genes of bacterial origin constitutes the first systematic evidence of horizontal gene transfer from bacteria to a eukaryotic host.
As the world’s most important agricultural pest and one of its most biologically distinctive species, the aphid is of central concern to industry and science alike. The first published aphid genome provides a basis for the development of safer, more effective pest control techniques, while also setting the stage to exploring the genetic basis of a range of complex biological phenomena.
For more information, please contact:Dr. Atsushi Nakabachi
Bare bones: Making bones transparent
27.04.2017 | California Institute of Technology
Link Discovered between Immune System, Brain Structure and Memory
26.04.2017 | Universität Basel
More and more automobile companies are focusing on body parts made of carbon fiber reinforced plastics (CFRP). However, manufacturing and repair costs must be further reduced in order to make CFRP more economical in use. Together with the Volkswagen AG and five other partners in the project HolQueSt 3D, the Laser Zentrum Hannover e.V. (LZH) has developed laser processes for the automatic trimming, drilling and repair of three-dimensional components.
Automated manufacturing processes are the basis for ultimately establishing the series production of CFRP components. In the project HolQueSt 3D, the LZH has...
Reflecting the structure of composites found in nature and the ancient world, researchers at the University of Illinois at Urbana-Champaign have synthesized thin carbon nanotube (CNT) textiles that exhibit both high electrical conductivity and a level of toughness that is about fifty times higher than copper films, currently used in electronics.
"The structural robustness of thin metal films has significant importance for the reliable operation of smart skin and flexible electronics including...
The nearby, giant radio galaxy M87 hosts a supermassive black hole (BH) and is well-known for its bright jet dominating the spectrum over ten orders of magnitude in frequency. Due to its proximity, jet prominence, and the large black hole mass, M87 is the best laboratory for investigating the formation, acceleration, and collimation of relativistic jets. A research team led by Silke Britzen from the Max Planck Institute for Radio Astronomy in Bonn, Germany, has found strong indication for turbulent processes connecting the accretion disk and the jet of that galaxy providing insights into the longstanding problem of the origin of astrophysical jets.
Supermassive black holes form some of the most enigmatic phenomena in astrophysics. Their enormous energy output is supposed to be generated by the...
The probability to find a certain number of photons inside a laser pulse usually corresponds to a classical distribution of independent events, the so-called...
Microprocessors based on atomically thin materials hold the promise of the evolution of traditional processors as well as new applications in the field of flexible electronics. Now, a TU Wien research team led by Thomas Müller has made a breakthrough in this field as part of an ongoing research project.
Two-dimensional materials, or 2D materials for short, are extremely versatile, although – or often more precisely because – they are made up of just one or a...
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