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Microbiology News
Thu, 23 Mar 2017 15:03:00 EDT
Botany: A stem's 'sense of self' contributes to shape
It is well known that as plants grow, their stems and shoots respond to outside signals like light and gravity. But if plants all have similar stimuli, why are there so many different plant shapes? Using simple mathematical ideas, researchers have constructed a framework that explains and quantifies the different shapes of plant stems.
Thu, 23 Mar 2017 14:13:26 EDT
Designer proteins fold DNA: Biophysicists construct complex hybrid structures using DNA and proteins
Scientists have developed a new method that can be used to construct custom hybrid structures using DNA and proteins. The method opens new opportunities for fundamental research in cell biology and for applications in biotechnology and medicine.
Thu, 23 Mar 2017 13:25:32 EDT
Scientists reveal hidden structures in bacterial DNA
Researchers have described the 3D structure of the genome in the extremely small bacteria Mycoplasma pneumoniae. They discovered previously unknown arrangements of DNA within this tiny bacteria, which are also found in larger cells. Their findings suggest that this type of organization is a universal feature of living cells.
Thu, 23 Mar 2017 08:36:20 EDT
Immune study in chickens reveals key hurdle for Campylobacter vaccine effort
The immune response of farmed chickens does not develop fast enough to fight off Campylobacter during their short lifespan, new research has found. The findings have important implications in the challenge towards developing a poultry vaccine for the bug, which is the UK's leading cause of food poisoning.
Wed, 22 Mar 2017 12:26:27 EDT
Self-sustaining bacteria-fueled power cell created
Researchers have developed the next step in microbial fuel cells (MFCs) with the first micro-scale self-sustaining cell, which generated power for 13 straight days through symbiotic interactions of two types of bacteria.
Wed, 22 Mar 2017 10:37:21 EDT
After the epigenome: The epitranscriptome
A new article explains that RNA also has its own spelling and grammar, just like DNA. These 'epigenetics of RNA' are called epitranscriptome.
Wed, 22 Mar 2017 10:37:14 EDT
Sea urchin spines could fix bones
More than 2 million procedures every year take place around the world to heal bone fractures and defects from trauma or disease, making bone the second most commonly transplanted tissue after blood. To help improve the outcomes of these surgeries, scientists have developed a new grafting material from sea urchin spines.
Wed, 22 Mar 2017 10:08:01 EDT
New cell membrane fusion model challenges dogma
Membrane fusion lies at the heart of many cell functions—from the secretion of antibodies to the release of neurotransmitters. For more than two decades, one view of the process by which membrane fusion occurs has been accepted as dogma; now recent studies indicate that fusion is more complex. These discoveries are being regarded by at least one leading cell biologist as “textbook changing” and could alter how we develop drugs that affect membrane fusion activities.
Wed, 22 Mar 2017 09:45:20 EDT
Salmon with side effects: Aquacultures are polluting Chile's rivers with a cocktail of dissolved organic substances
Tasty, versatile, and rich in essential omega-3 fatty acids: salmon is one of the most popular edible fish of all. Shops sell fish caught in the wild, but their main produce is salmon from breeding farms which can pollute rivers, lakes and oceans. Just how big is the problem? Scientists are working to answer this question by examining the dissolved organic compounds which enter Chile’s rivers from salmon farms. They warn that these substances are placing huge strain on ecosystems and are changing entire biological communities.
Wed, 22 Mar 2017 09:45:16 EDT
Caught on camera: Chemical reactions 'filmed' at the single-molecule level
Scientists have succeeded in ‘filming’ inter-molecular chemical reactions – using the electron beam of a transmission electron microscope (TEM) as a stop-frame imaging tool. They have also discovered that the electron beam can be simultaneously tuned to stimulate specific chemical reactions by using it as a source of energy as well as an imaging tool.
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