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Cell Biology News
Mon, 15 Sep 2014 13:29:41 EDT
Small algae with great potential
The single most important calcifying algae of the world's oceans is able to simultaneously adapt to rising water temperatures and ocean acidification through evolution. A unique long-term experiment with the species Emiliania huxleyi shows that the evolutionary potential of the algae is much greater than previously thought. In their laboratory evolution experiment, the scientists have shown for the first time that evolutionary adaptations to multiple stress factors do not necessarily interfere with each other.
Mon, 15 Sep 2014 13:29:39 EDT
Strategic self-sabotage? MRSA inhibits its own growth
A bacterial mystery has finally been uncovered. Against all logic, the most predominant strain of methicillin-resistant Staphylococcus aureus (MRSA) in North American produces an enzyme that degrades skin secretions into compounds that are toxic to itself.
Mon, 15 Sep 2014 11:44:38 EDT
Protein secrets of Ebola virus
The current Ebola virus outbreak in West Africa, which has claimed more than 2000 lives, has highlighted the need for a deeper understanding of the molecular biology of the virus that could be critical in the development of vaccines or antiviral drugs to treat or prevent Ebola hemorrhagic fever.
Mon, 15 Sep 2014 11:44:36 EDT
Zebrafish genes linked to human respiratory diseases
Hundreds of novel genes in the zebrafish have been identified that could be functionally identical to the human genes required for forming motile cilia, hair-like structures on the surface of airway cells. These are required for removing dust and pathogens from the human airway. The study showed that the loss of these genes is linked to development of defective motile cilia, which could be the cause of some respiratory diseases.
Mon, 15 Sep 2014 08:37:46 EDT
Martian meteorite yields more evidence of the possibility of life on Mars
A tiny fragment of Martian meteorite 1.3 billion years old is helping to make the case for the possibility of life on Mars, say scientists. The finding are of a 'cell-like' structure, which investigators now know once held water.
Sun, 14 Sep 2014 16:02:38 EDT
How an ancient vertebrate uses familiar tools to build a strange-looking head
New research reveals that the sea lamprey Petromyzon marinus, a survivor of ancient jawless vertebrates, exhibits a pattern of gene expression that is reminiscent of its jawed cousins, which evolved much, much later.
Sat, 13 Sep 2014 14:14:23 EDT
Healing power of 'rib-tickling' found by researchers
Unlike salamanders, mammals can't regenerate lost limbs, but they can repair large sections of their ribs. In a new study, a team of researchers takes a closer look at rib regeneration in both humans and mice.
Sat, 13 Sep 2014 14:13:22 EDT
Extreme insect: Genetic analysis of a species of African midge that can survive harsh conditions
Scientists have completed the genetic analysis on a species of African midge, which can survive a wide array of extreme conditions including large variations in temperature, extreme drought and even airless vacuums such as space. The team successfully deciphered the genetic mechanism that makes the midge invulnerable to these harsh conditions.
Sat, 13 Sep 2014 14:13:10 EDT
Zebrafish model of a learning and memory disorder shows better way to target treatment
Using a zebrafish model of a human genetic disease called neurofibromatosis, researchers have found that the learning and memory components of the disorder are distinct features that will likely need different treatment approaches.
Fri, 12 Sep 2014 15:21:12 EDT
How evolutionary principles could help save our world
The age of the Anthropocene -- the scientific name given to our current geologic age -- is dominated by human impacts on our environment. A warming climate. Increased resistance of pathogens and pests. A swelling population. Coping with these modern global challenges requires application of what one might call a more ancient principle: evolution.
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