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image: Image of the Day: Flushing the Gut

Image of the Day: Flushing the Gut

By The Scientist Staff | June 19, 2017

In response to a bacterial infection, an immune signal in mice's guts triggers a molecular cascade that promotes diarrhea, which, researchers demonstrate, is important for ridding them of the bacteria.  

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Research shows that human immunity develops much earlier than previously thought, but functions differently in adults.

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Scientists expand the microbial tree of life by publishing more than 1,000 novel reference genomes.  

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Lactobacillus parafarraginis metabolites hindered the growth of multiple, distantly related bacterial pathogens. 

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image: Image of the Day: Root Rave 

Image of the Day: Root Rave 

By The Scientist Staff | May 24, 2017

Pea plant (Pisum sativum) roots that have been inoculated with engineered Rhizobia bacteria glow in the presence of certain proteins. 

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image: Image of the Day: Beautiful Bacteria 

Image of the Day: Beautiful Bacteria 

By The Scientist Staff | May 23, 2017

Artists paint with colorful microbes on agar palettes for the American Society for Microbiology's Agar Art Contest.

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image: Companies Pursue Diagnostics that Mine the Microbiome

Companies Pursue Diagnostics that Mine the Microbiome

By Andrea Anderson | May 23, 2017

Tests so far typically screen for risky patterns that may augment traditional types of clinical data.

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image: Bacterial Photography Goes Technicolor

Bacterial Photography Goes Technicolor

By Erin Hare | May 22, 2017

Genetically engineered "disco bacteria" sense and respond to different colors of light, creating both stunning art in the culture dish and new possibilities for synthetic biology.

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image: Ancient Protein Helps <em>E. coli</em> Thwart Viral Attack

Ancient Protein Helps E. coli Thwart Viral Attack

By Ashley Yeager | May 9, 2017

When engineered to use a four-billion-year-old version of the protein thioredoxin, the bacteria can stall bacteriophage replication, a new study shows.

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image: Warmer Temps Tied to Altered Microbiome in Lizards

Warmer Temps Tied to Altered Microbiome in Lizards

By Ashley P. Taylor | May 8, 2017

Bacterial differences after three-month temperature hikes, modeled after global warming predictions, were evident one year later, a study found.

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