“The results of the research we have carried out on the genome of viruses, specifically on nucleopolyhedroviruses (NPVs; Baculoviridae) will help to understand how genetic systems evolve. This discovery is of great importance when we take into account that NPVs have shown to have great insecticide potential for the control of agricultural and forestry plagues, above all for the cultivation of maize in countries such as Mexico and Honduras”. This is one of the conclusions of the PhD thesis “Functional importance of genotypic and phenotypic diversity in a Spodoptera frugiperda multiple nucleopolyhedrovirus population” that researcher Oihane Simón De Goñi recently defended at the Public University of Navarre.
How the virus affects the plague
The nucleopolyhedrovirus (NPVs; Baculoviridae) have shown to have great insecticide potential for the control of agricultural and forestry plagues. It involves an infectious virus for insects that cause plagues, the size of which is 2 to 3 micras and which can be found, according to Ms Simón de Goñi, “contaminating a plant leaf which the insect feeds off. This virus is composed of a protein that includes the infectious viruses, known as virions. The larva, on eating the contaminated leaf, ingests the virus which, when it arrives at the digestive tract of the insect, it dissolves the protein surrounding the virions and these are released. Then the virions unite with the epithelial cells and enter the nuclei thereof where they multiply to produce new virions which then infect the cells of other internal tissues of the insect’s body. Thus, the infected cells burst (lysis) and, finally, the whole insect becomes a pool of liquid in a matter of 3 or 4 days, releasing thousands of millions of viral particles that contaminate other leaves to commence a new cycle. This is the useful insecticide action of this virus”.
Iñaki Casado Redin | Basque research
One step closer to reality
20.04.2018 | Max-Planck-Institut für Entwicklungsbiologie
The dark side of cichlid fish: from cannibal to caregiver
20.04.2018 | Veterinärmedizinische Universität Wien
University of Connecticut researchers have created a biodegradable composite made of silk fibers that can be used to repair broken load-bearing bones without the complications sometimes presented by other materials.
Repairing major load-bearing bones such as those in the leg can be a long and uncomfortable process.
Study published in the journal ACS Applied Materials & Interfaces is the outcome of an international effort that included teams from Dresden and Berlin in Germany, and the US.
Scientists at the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) together with colleagues from the Helmholtz-Zentrum Berlin (HZB) and the University of Virginia...
Novel highly efficient and brilliant gamma-ray source: Based on model calculations, physicists of the Max PIanck Institute for Nuclear Physics in Heidelberg propose a novel method for an efficient high-brilliance gamma-ray source. A giant collimated gamma-ray pulse is generated from the interaction of a dense ultra-relativistic electron beam with a thin solid conductor. Energetic gamma-rays are copiously produced as the electron beam splits into filaments while propagating across the conductor. The resulting gamma-ray energy and flux enable novel experiments in nuclear and fundamental physics.
The typical wavelength of light interacting with an object of the microcosm scales with the size of this object. For atoms, this ranges from visible light to...
Stable joint cartilage can be produced from adult stem cells originating from bone marrow. This is made possible by inducing specific molecular processes occurring during embryonic cartilage formation, as researchers from the University and University Hospital of Basel report in the scientific journal PNAS.
Certain mesenchymal stem/stromal cells from the bone marrow of adults are considered extremely promising for skeletal tissue regeneration. These adult stem...
In the fight against cancer, scientists are developing new drugs to hit tumor cells at so far unused weak points. Such a “sore spot” is the protein complex...
13.04.2018 | Event News
12.04.2018 | Event News
09.04.2018 | Event News
20.04.2018 | Physics and Astronomy
20.04.2018 | Interdisciplinary Research
20.04.2018 | Physics and Astronomy