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Whitney Hopfauf

Could new flu spark global flu pandemic? New bird flu strain seen adapting to mammals, ... - 0 views

www.sciencedaily.com/...130412192402.htm

pandemic humans virology influenza

shared by Whitney Hopfauf on 16 Apr 13 - No Cached
  • "The human isolates, but not the avian and environmental ones, have a protein mutation that allows for efficient growth in human cells and that also allows them to grow at a temperature that corresponds to the upper respiratory tract of humans, which is lower than you find in birds,
    • Whitney Hopfauf
      Whitney Hopfauf on 30 Apr 13
       
      These are the same researchers who did the infamous bird flu study that was temporarily banned
  • new virus has sickened at least 33 people, killing nine.
  • ...4 more annotations...
    • Whitney Hopfauf
      Whitney Hopfauf on 30 Apr 13
       
      This is so concerning... and yet it seems that the general population is oblivious to the implications of this virus
  • majority of the viruses in the study -- from both humans and birds -- display mutations in the surface protein hemagglutinin, which the pathogen uses to bind to host cells.
  • The same mutation, Kawaoka notes, lets the avian virus thrive in the cooler temperatures of the human upper respiratory system
  • the new strain could be treated with another clinically relevant antiviral drug, oseltamivir.
  • Jenna Veldhuizen on 16 Apr 13
     
    Genetic sequencing of the current H7N9 outbreak in China has revealed the ability of the virus to adapt to a human host
Tiffany Arcand

Onions and Flu - Can Raw Onions Prevent the Flu? - Urban Legends - 1 views

urbanlegends.about.com/...e_flu_facts_onions_and_flu.htm

shared by Tiffany Arcand on 25 Mar 13 - No Cached
  • Tiffany Arcand on 25 Mar 13
     
    Although this article does not come from the most scholarly source, my dad and I were talking and he mentioned that if you slice an onion and place it in the corner of the room, it will "absorb" any flu virus present. This is not true.
Katelyn Madigan

Holographic microscopy: Peering into living cells -- with neither dye nor fluophore - 0 views

www.sciencedaily.com/...130207172205.htm

Holographic Microscopy

shared by Katelyn Madigan on 08 Feb 13 - No Cached
  • incredibly precise resolution of less than 100 nanometers, 1000 times smaller than the diameter of a human hair.
  • observe in real time the reaction of a cell that is subjected to any kind of stimulus
  • low-intensity laser, the influence of the light or heat on the cell is minimal,
  • ...1 more annotation...
  • can be virtually "sliced" to expose its internal elements, such as the nucleus, genetic material and organelles.
  • Katelyn Madigan on 08 Feb 13
     
    Observe living tissues at the nanoscale
Katelyn Madigan

'Quadruple helix' DNA discovered in human cells - 0 views

www.sciencedaily.com/...130120150033.htm

DNA quadruple helix

shared by Katelyn Madigan on 07 Feb 13 - No Cached
  • our-stranded 'quadruple helix' DNA structures -- known as G-quadruplexes
  • rich in the building block guanine
  • over 10 years investigation by scientists to show these complex structures in vivo -- in living human cells
  • ...2 more annotations...
  • quadruplexes are more likely to occur in genes of cells that are rapidly dividing, such as cancer cells.
  • quadruplex DNA is found fairly consistently throughout the genome of human cells and their division cycles
  • Katelyn Madigan on 07 Feb 13
     
    A better understanding of DNA structure, as well as other factors at the molecular level, have tremendous clinical implications. A personalized inhibitory mechanism for proliferating cancer cells looks like a promising approach for cancer treatments.
Casey Finnerty

Brownian ratchets: Darwin's motors. [Nature. 2002] - PubMed - NCBI - 1 views

www.ncbi.nlm.nih.gov/pubmed

microbiology metabolism respiration

shared by Casey Finnerty on 05 Feb 13 - No Cached
  • Casey Finnerty on 05 Feb 13
     
    This article is the citation for "Every day, we produce - and consume - about half our body weight in ATP!"
Elijah Velasquez

Storm Clouds Crawling With Bacteria - 2 views

www.livescience.com/iding-out-in-storm-clouds.html

shared by Elijah Velasquez on 31 Jan 13 - No Cached
  • Elijah Velasquez on 31 Jan 13
     
    Some of the bacterial species can seed the tiny ice crystals that lead to rain, suggesting they play a role in causing rain. Bacteria have been found as far up as 24.8 miles (40 kilometers) and may even survive as spores into space.
  • Katelyn Madigan on 07 Feb 13
     
    This was a very interesting article - I had never thought of bacteria as the cause for some rain. This also would contribute to the growing issues with endospores.
Katelyn Madigan

Tomorrow's life-saving medications may currently be living at the bottom of the sea - 1 views

www.sciencedaily.com/...130129130949.htm

medications sea

shared by Katelyn Madigan on 30 Jan 13 - No Cached
  • new antibiotics to keep these diseases at bay.
  • Bacteria that live in harmony with animals are a promising source. "
  • bacteria carried by cone snails produce a chemical that is neuroactive,
  • ...2 more annotations...
  • chemicals have promise for treatment of pain
  • "Mollusks with external shells, like the cone snail, were previously overlooked in the search for new antibiotics and other medications
  • Katelyn Madigan on 30 Jan 13
     
    Scientists return to previously overlooked sources for new antibiotics and other medications - really portrays the prevalence of antibiotic-resistant microbes.
  • Richard Herron on 01 Feb 13
     
    This is great news not only for what we've overlooked, but future implications that deep-sea life has a lot to offer in antibiotics. Another important factor is that we know more about the surface of the moon then our own oceans, so gives us the opportunity and a reason for categorizing deep-sea life.
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