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DNA sequencing from water and leech bloodmeals helps identify novel mammalian viruses


DNA sequencing from water and leech bloodmeals helps identify novel mammalian viruses
In a new scientific investigation headed by the German Leibniz Institute for Zoo and Wildlife Research (Leibniz-IZW), water from African and Mongolian waterholes as well as bloodmeals from Southeast Asian leeches were assessed for the ability to retrieve mammalian viruses without the need to find and catch the mammals.
The scientists analyzed the samples using high throughput sequencing to identify known viruses as well as viruses new to science. Both approaches proved to be suitable tools for pandemic prevention research as they allow finding and monitoring reservoirs of wildlife viruses. For example, a novel coronavirus most likely associated with Southeast Asian deer species was identified. The results are published in the scientific journal ....

Alex Greenwood , Emily Henderson , German Leibniz Institute For Zoo , University Of Pavia , Department Of Wildlife Diseases , Wildlife Research , German Leibniz Institute , Southeast Asian , Prof Alex Greenwood , Southeast Asia , Wildlife Diseases , Ecological Dynamics , அலெக்ஸ் கிரீன்வுட் , எமிலி ஹென்டர்சன் , பல்கலைக்கழகம் ஆஃப் பாவியா , துறை ஆஃப் வனவிலங்கு நோய்கள் , வனவிலங்கு ஆராய்ச்சி , தென்கிழக்கு ஆசிய , ப்ரொஃப் அலெக்ஸ் கிரீன்வுட் , தென்கிழக்கு ஆசியா , வனவிலங்கு நோய்கள் , சுற்றுச்சூழல் இயக்கவியல் ,

Retroviruses are re-writing koala genome and causing cancer


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Retroviruses are re-writing koala genome and causing cancer
Koalas are facing multiple environmental and health issues which threaten their survival. Along with habitat loss – accelerated by last year’s devastating bush fires – domestic dog attacks and road accidents, they suffer from deadly chlamydial infections and extremely high frequency of cancer.
Wild Koala | Photo: A. Gillett
An international team of scientists led by the Leibniz Institute for Zoo and Wildlife Research (Leibniz-IZW) now demonstrate that a retrovirus invading the koala germline explains the high frequency of koala cancer. The results are reported in the journal Nature Communications.
The koala retrovirus (KoRV) is a virus which, like other retroviruses such as HIV, inserts itself into the DNA of an infected cell. At some point in the past 50,000 years, KoRV has infected the egg or sperm cells of koalas, leading to offspring that carry the retrovirus in every cell in their ....

Gayle Mcewen , Alex Greenwood , Leibniz Institute For Zoo , Nature Communications , Head Of Department Wildlife Diseases , Wildlife Research , Leibniz Institute , New South Wales , Prof Alex Greenwood , Wildlife Diseases , Forschungsverbund Berlin , Vertebrate Evolution , Species Survival , Road Accidents , Dog Attack , கேல் மக்ய்வந் , அலெக்ஸ் கிரீன்வுட் , இயற்கை தகவல்தொடர்புகள் , தலை ஆஃப் துறை வனவிலங்கு நோய்கள் , வனவிலங்கு ஆராய்ச்சி , புதியது தெற்கு வேல்ஸ் , ப்ரொஃப் அலெக்ஸ் கிரீன்வுட் , வனவிலங்கு நோய்கள் , முதுகெலும்பு பரிணாமம் , இனங்கள் பிழைப்பு , சாலை விபத்துக்கள் ,