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Cell Biology News
Thu, 28 Apr 2016 15:18:53 EDT
Lifestyle has a strong impact on intestinal bacteria, which has a strong impact on health
Everything you eat or drink affects your intestinal bacteria, and is likely to have an impact on your health. That is the finding of a large-scale study into the effect of food and medicine on the bacterial diversity in the human gut.
Thu, 28 Apr 2016 13:21:26 EDT
Study identifies a key to bone formation, vertebrate evolution
Researchers have identified a key action of a watershed gene critical to bone formation and the evolution of vertebrates. The Sp7 or Osterix gene more than likely emerged from an ancestral gene family about 400 million years ago, expanding the diversity of life and programming the development of bone-secreting osteoblast cells. The closest living relatives to vertebrates, including sea squirts and lampreys, lack bone and an Sp7 gene.
Thu, 28 Apr 2016 12:24:54 EDT
Scientists reveal secret of antibiotic-resistant bacteria
Researchers have built a computer model of the interaction between different bacteria, and between bacteria and the gut wall. This has led them to explain how antibiotic-resistant microbes develop and spread.
Thu, 28 Apr 2016 09:44:59 EDT
Brain cells divide the work to recognize bodies
Specific regions of the brain are specialized in recognizing bodies of animals and human beings. By measuring the electrical activity per cell, scientists have shown that the individual brain cells in these areas do different things. Their response to specific contours or body shapes is very selective.
Wed, 27 Apr 2016 16:53:36 EDT
Protecting diversity on coral reefs: DNA may hold the key
Scientists have discovered that large areas of intact coral reef with extensive live coral cover, not disturbed by humans or climate change, harbor the greatest amount of genetic diversity. With this work, the researchers uncovered a link between species diversity of an ecosystem and the genetic diversity encoded within the DNA of those species.
Wed, 27 Apr 2016 16:41:34 EDT
Analysis of dog genome will provide insight into human disease
An important model in studying human disease, the non-coding RNA of the canine genome is an essential starting point for evolutionary and biomedical studies, according to a new study.
Wed, 27 Apr 2016 10:37:01 EDT
Coral 'toolkit' allows floating larvae to transform into reef skeletons
Key components of the molecular 'toolkit' that allow corals to build their skeletons (called biomineralization) has been desicribed in that new article that also outlines when -- in the transformation from floating larvae to coral skeleton -- these components are used.
Wed, 27 Apr 2016 08:15:33 EDT
A single-celled organism capable of learning
For the first time, scientists have demonstrated that an organism devoid of a nervous system is capable of learning. Biologists have succeeded in showing that a single-celled organism, the protist, is capable of a type of learning called habituation. This discovery throws light on the origins of learning ability during evolution, even before the appearance of a nervous system and brain. It may also raise questions as to the learning capacities of other extremely simple organisms such as viruses and bacteria.
Wed, 27 Apr 2016 08:07:10 EDT
Old world bird in a new world rainforest
The Sapayoa, a rainforest bird from Central and South America, is an evolutionary enigma -- genetic analysis shows that its closest relatives are bird species living across the ocean in Asia and Africa. Now, new research demonstrates for the first time that its natural history links it to its evolutionary relatives thousands of miles away.
Tue, 26 Apr 2016 21:54:48 EDT
Zika present in Americas longer than previously thought
The Zika virus was present in Haiti several months before the first Zika cases were identified in Brazil, according to new research by infectious-disease specialists.
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