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Synthetic SPECIES developed for use as a confinable gene drive

Scientists have developed a gene drive with a built-in genetic barrier that is designed to keep the drive under control. The researchers engineered synthetic fly species that, upon release in sufficient numbers, act as gene drives that can spread locally and be reversed if desired. ....

Anna Buchman , John Marshall , Omar Akbari , Michael Perry , Isaiah Shriner , Junru Liu , Igor Antoshechkin , Sciences Ph , California Institute Of Technology , Nature Communications , University Of California San Diego , Innovative Genomics Institute , Uc San Diego Division Of Biological Sciences , California San Diego , Synthetic Postzygotic , Engineering Species , Diego Division , Biological Sciences , California Institute , Ting Yang , Biological Sciences Phd , Biomedical Environmental Chemical Engineering , Cell Biology , Developmental Reproductive Biology , Gene Therapy , அண்ணா புச்மேன் ,

New study suggests falcons have natural 'eye makeup' to improve hunting ability

Dark eyeliner feathers of peregrine falcons act as sun shields to improve the birds hunting ability, a new scientific study suggests. Scientists have long speculated that falcons eye markings improve their ability to target fast-moving prey, like pigeons and doves, in bright sunlight. Now research suggests these markings have evolved according to the climate; the sunnier the bird s habitat, the larger and darker are the tell-tale dark sun-shade feathers. ....

South Africa , University Of Cape Town , Western Cape , Arjun Amar , Michelle Vrettos , Fitzpatrick Institute , University Of Witwatersrand , Biology Letters , Cape Town , Professor Arjun Amar , Patrick Institute , Ecology Environment , Zoology Veterinary Science , Animal Research Rights , பல்கலைக்கழகம் ஆஃப் கேப் நகரம் , மேற்கு கேப் , அர்ஜுன் அமர் , ஃபிட்ஸ்‌ப்யாட்ரிக் நிறுவனம் , உயிரியல் எழுத்துக்கள் , கேப் நகரம் , ப்ரொஃபெஸர் அர்ஜுன் அமர் , பேட்ரிக் நிறுவனம் ,

Spiders can sniff out and avoid killer ants, SFU study finds

Spiders avoid building webs near European fire ants, their natural predators, by sensing the chemicals they give off in the environment, Simon Fraser University researchers have found.

The findings, published recently in Royal Society Open Science, give us a peek inside the enduring struggle between spiders and ants, and could lead to the development of natural repellents for homeowners worried about unwanted eight-legged guests. ....

Andreas Fischer , Gerhard Gries , Communications Marketing , Department Of Biological Sciences , University Of Toronto Yerin Lee , Simon Fraser University , Royal Society Open Science , Tea Dong , Biological Sciences , Fraser University , Experts Directory , Zoology Veterinary Science , ஆண்ட்ரியாஸ் பிஷ்ஷர் , தகவல்தொடர்புகள் சந்தைப்படுத்தல் , துறை ஆஃப் உயிரியல் அறிவியல் , சிமோன் ஃப்ரேசர் பல்கலைக்கழகம் , அரச சமூகம் திறந்த அறிவியல் , உயிரியல் அறிவியல் , ஃப்ரேசர் பல்கலைக்கழகம் , நிபுணர்கள் அடைவு ,

Salps fertilize the Southern Ocean more effectively than krill

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Experts at the Alfred Wegener Institute have, for the first time, experimentally measured the release of iron from the fecal pellets of krill and salps under natural conditions and tested its bioavailability using a natural community of microalgae in the Southern Ocean. In comparison to the fecal pellets of krill, Antarctic phytoplankton can more easily take up the micronutrient iron from those produced by salps. Observations made over the past 20 years show that, as a result of climate change, Antarctic krill are increasingly being supplanted by salps in the Southern Ocean. In the future, salps could more effectively stimulate the fixation of the greenhouse gas carbon dioxide in Antarctic microalgae than krill, as the team of researchers report in the journal ....

Scarlett Trimborn , Helmholtz Centre For Polar , Marine Research , Research Vessel Polarstern , Alfred Wegener Institute , Southern Ocean , Helmholtz Centre , Antarctic Peninsula , Ecology Environment , கடல் ஆராய்ச்சி , ஆல்ஃபிரட் வெஜனர் நிறுவனம் , தெற்கு கடல் , அண்டார்டிக் தீபகற்பம் ,

Cancer-promoting Ras protein exists in a pair within cells

Credit: PRODI/ Till Rudack
Researchers from Bochum and Osnabrück have gained new insights into the structure of the Ras protein, which acts as a molecular switch for cell growth and is involved in the development of cancer. With the help of fluorescence markings, they have demonstrated that the protein is deposited in a pair at the cell membrane, and with the very structure that they predicted in theory back in 2012. The team from the Bochum Center for Protein Diagnostics (PRODI) hopes that these findings will open up a new approach for the development of cancer medications. The researchers from Ruhr-Universität Bochum (RUB) and Osnabrück University published the results in the ....

Klaus Gerwert , Group Leader , Bochum Center , Protein Diagnostics , Chemical Science , Professor Klaus Gerwert , Founding Director , Till Rudack , Associate Professor , Project Group Leader , Biomechanics Biophysics , குழு தலைவர் , ப்ரோடீந் பரிசோதனை , இரசாயன அறிவியல் , ஸ்தாபகம் இயக்குனர் , இணை ப்ரொஃபெஸர் ,