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Microbial World
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Microbial World
Microbial life is everywhere - a largely invisible world of astonishing metabolic diversity that helped to create the biosphere and that continues to support life on earth. In fact, there are more bacterial cells inside your gut and on your skin than there are cells in your entire body. So, we are not only living in a microbial world… we are microbial worlds!”


This Curation Blog aims to be a comprehensive and entertaining source of microbial news.


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Curated by Guus Roeselers
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Guus Roeselers: Cantaloupe outbreak

Guus Roeselers: Cantaloupe outbreak | Microbial World | Scoop.it

Do you worry about your food? Do you do anything in particular to make sure what you eat is safe?

With 30 people confirmed dead and one confirmed miscarriage, the Listeria monocytogenesoutbreak linked to cantaloupe melons from a Colorado farm is officially the deadliest food-borne illness outbreak in the United States since 1924, according to the Centers for Disease Control and Prevention...."

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Scientists coax shy microorganisms to stand out in a crowd

Scientists coax shy microorganisms to stand out in a crowd | Microbial World | Scoop.it
The communities of marine microorganisms that make up half the biomass in the oceans and are responsible for half the photosynthesis the world over, mostly remain enigmatic.
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Dutch academics call for integrity oath | Radio Netherlands Worldwide

Dutch academics call for integrity oath | Radio Netherlands Worldwide | Microbial World | Scoop.it
Three Dutch professors are calling for all academics to take a mandatory oath which commits them to respect ethical research norms.
Academics would take the oath upon taking their doctoral degree but ...
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Musings on size: do bacteria want to be bigger? | The Ocelloid, Scientific American Blog Network

Musings on size: do bacteria want to be bigger? | The Ocelloid, Scientific American Blog Network | Microbial World | Scoop.it
We all know that eukaryotes are bigger than prokaryotes. On average. Mostly. Of course our pathetic attempts at generalisation are too often devastated in a counterattack ...
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On the evolutionary ecology of symbioses between chemosynthetic bacteria and bivalves

On the evolutionary ecology of symbioses between chemosynthetic bacteria and bivalves | Microbial World | Scoop.it
Roeselers G, Newton IL. Appl Microbiol Biotechnol. 2012

 

Mutualistic associations between bacteria and eukaryotes occur ubiquitously in nature, forming the basis for key ecological and evolutionary innovations. Some of the most prominent examples of these symbioses are chemosynthetic bacteria and marine invertebrates living in the absence of sunlight at deep-sea hydrothermal vents and in sediments rich in reduced sulfur compounds. Here, chemosynthetic bacteria living in close association with their hosts convert CO(2) or CH(4) into organic compounds and provide the host with necessary nutrients. The dominant macrofauna of hydrothermal vent and cold seep ecosystems all depend on the metabolic activity of chemosynthetic bacteria, which accounts for almost all primary production in these complex ecosystems. Many of these enigmatic mutualistic associations are found within the molluscan class Bivalvia. Currently, chemosynthetic symbioses have been reported from five distinct bivalve families (Lucinidae, Mytilidae, Solemyidae, Thyasiridae, and Vesicomyidae). This brief review aims to provide an overview of the diverse physiological and genetic adaptations of symbiotic chemosynthetic bacteria and their bivalve hosts."

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Decoding a Contagious Devil-Killing Cancer

Decoding a Contagious Devil-Killing Cancer | Microbial World | Scoop.it
In the wilds of Tasmania and in labs in England, researchers are making some encouraging advances in their attempt to decode what may be a t...
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What's living on your smartphone?

What's living on your smartphone? | Microbial World | Scoop.it
Your cell phone and your shoes have whole communities of microbes living on them, as distinctive as the germs on your fingers and in your mouth.
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Bacteria-Killing Viruses Wield an Iron Spike - ScienceNOW

Bacteria-Killing Viruses Wield an Iron Spike - ScienceNOW | Microbial World | Scoop.it
Bacteria-Killing Viruses Wield an Iron Spike - ScienceNOW...
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EHEC - Tödlicher EHEC-Fall in Hamburg: Erregertyp steht fest - Hamburg - Hamburger Abendblatt

EHEC - Tödlicher EHEC-Fall in Hamburg: Erregertyp steht fest - Hamburg - Hamburger Abendblatt | Microbial World | Scoop.it
Nach der tödlichen Erkrankung einer sechsjährigen Schülerin in Hamburg ist nun der Erregertyp gefunden worden. Das Mädchen war an einem Erreger der Serogruppe 0157 erkrankt.
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Microbial oasis discovered beneath the Atacama Desert

Microbial oasis discovered beneath the Atacama Desert | Microbial World | Scoop.it

Two metres below the surface of the Atacama Desert there is an 'oasis' of microorganisms. Researchers from the Center of Astrobiology (Spain) and the Catholic University of the North in Chile have found it in hypersaline substrates thanks to SOLID, a detector for signs of life which could be used in environments similar to subsoil on Mars.

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Microbiologists need encouragement | Newspaper | DAWN.COM

Microbiologists need encouragement | Newspaper | DAWN.COM | Microbial World | Scoop.it
Microbiologists in developed countries are placed almost in every organisation like hospitals, pharmaceutical companies, municipalities, pathological labs, food and mineral water industries, as well as in government research organisations like biological warfare.
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Nanopore genome sequencer makes its debut : Nature News & Comment

Nanopore genome sequencer makes its debut : Nature News & Comment | Microbial World | Scoop.it
Technique promises it will produce a human genome in 15 minutes.
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Lynn Margulis Biography – American Microbial Evolutionist ...

Lynn Margulis Biography – American Microbial Evolutionist ... | Microbial World | Scoop.it
Lynn Margulis developed the symbiotic theory of evolution, which explains the relationship between prokaryotic and eukaryotic cells and describes the emergence of new species by a mechanism called symbiogenesis.
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Toying with biological systems

Toying with biological systems | Microbial World | Scoop.it
Bacteria don’t normally take photographs. Nor do they attack tumor cells or produce chemicals. But with some help from biological engineer Chris Voigt, they can do all that and more.
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M i c r o b e s . n l: Lake Vostok

M i c r o b e s . n l: Lake Vostok | Microbial World | Scoop.it

Russian researchers reported Wednesday that they had reached Lake Vostok, a pristine body of water buried beneath 4-km thick East Antarctic ice sheet, untouched by light or wind for about 20 million years.

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Microcartography | Oscillator, Scientific American Blog Network

Microcartography | Oscillator, Scientific American Blog Network | Microbial World | Scoop.it
Feet smell like feet and armpits smell like armpits because they each harbor unique species of bacteria with unique metabolisms that produce unique volatiles. Human skin ...
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International Human Microbiome Congress organized by MetaHIT | ResearchGate

International Human Microbiome Congress organized by MetaHIT | ResearchGate | Microbial World | Scoop.it

Human Microbiome research has become one of the most exciting fields in biology, generating fascinating insights into the relations of microbes and man and the effects of our microbes on our health and well-being. World leading scientists will discuss the new findings, their impacts and the future trends at the next International Human Microbiome Congress, organized by the European consortium MetaHIT in Paris, March 19-21, 2012 at the Palais Brongniart.

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Closely Watched Study Fails to Find Arsenic in Microbial DNA - ScienceInsider

Closely Watched Study Fails to Find Arsenic in Microbial DNA - ScienceInsider | Microbial World | Scoop.it

The debate over whether a bacterium can incorporate arsenic into its DNA just flared up again, with the posting yesterday of a paper refuting the idea on ArXiv, an electronic preprint archive primarily used by astronomers, mathematicians, and physicists....

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Tainted sprouts again linked to Jimmy John's

Tainted sprouts again linked to Jimmy John's | Microbial World | Scoop.it

Sprouts from the sandwich chain Jimmy John's have been linked to an outbreak of foodborne illness — again. The federal Centers for Disease Control and Prevention said Wednesday that 12 cases of E. coli poisoning in five states are linked to clover sprouts eaten at Jimmy John's restaurants. The outbreak comes a year after sprouts from one of the chain's suppliers were linked to 140 salmonella illnesses. Sprouts from the chain were also linked to a 2009 salmonella outbreak in several Midwestern states and were suspected in an E. coli outbreak in Colorado in 2008.

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Evidence for a core gut microbiota in the zebrafish.

Evidence for a core gut microbiota in the zebrafish. | Microbial World | Scoop.it

Roeselers G, Mittge EK, Stephens WZ, Parichy DM, Cavanaugh CM, Guillemin K, Rawls JF. (2011)

ISME Journal. 5(10):1595-608.

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European Commission : CORDIS : Newsroom : Scientists shed light on sympatric speciation

European Commission : CORDIS : Newsroom : Scientists shed light on sympatric speciation | Microbial World | Scoop.it

Sympatric speciation, the creation of two or more descendant species from one ancestral species all occupying the same habitat, has weighed on the minds of researchers for a long time. A team of scientists from the United Kingdom and the United States provides fresh insight into the profound genetic diversity that probably occurs everywhere in wild microbial populations. The findings of the study are presented in the journal PLoS Biology.

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MicrobeWorld - TWiM #27: An inflamed gut is good for Salmonella

MicrobeWorld - TWiM #27: An inflamed gut is good for Salmonella | Microbial World | Scoop.it
How inflammation allows Salmonella to compete with fermenting gut microbes, and a riboswitch in bacterial and Archeal species that is triggered by fluoride...
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