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The findings more than double the number of known defense mechanisms, piquing the interests of molecular biology tool developers.

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image: Image of the Day: Virus Spacecraft 

Image of the Day: Virus Spacecraft 

By The Scientist Staff | January 5, 2018

Researchers reconstruct images of a virus that infects Escherichia coli bacteria.

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image: Bacteriophages to the Rescue

Bacteriophages to the Rescue

By Emily Monosson | July 17, 2017

Phage therapy is but one example of using biological entities to reduce our reliance on antibiotics and other failing chemical solutions.

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image: Book Excerpt from <em>Natural Defense</em>

Book Excerpt from Natural Defense

By Emily Monosson | July 17, 2017

In Chapter 3, “The Enemy of Our Enemy Is Our Friend: Infecting the Infection,” author Emily Monosson makes the case for bacteriophage therapy in the treatment of infectious disease.

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image: Anti-CRISPR Protein Reduces Off-Target Effects

Anti-CRISPR Protein Reduces Off-Target Effects

By Diana Kwon | July 12, 2017

AcrIIA4, an inhibitor protein from the Listeria bacteriophage, can block DNA from binding to Cas9 during genome editing.

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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: Inflammation Drives Gut Bacteria Evolution

Inflammation Drives Gut Bacteria Evolution

By Ruth Williams | March 16, 2017

Viruses within Salmonella rapidly spread genes throughout the bacterial population during a gut infection, scientists show.

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image: Scientists Identify a Viral Communication System

Scientists Identify a Viral Communication System

By Joshua A. Krisch | January 20, 2017

A team finds that viruses can sense chemical signals and use them to decide whether to kill or infect their hosts.

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image: Keeping CRISPR in Check

Keeping CRISPR in Check

By Anna Azvolinsky | December 14, 2016

In bacteriophage genomes, researchers find three anti-CRISPR proteins that naturally inhibit CRISPR-Cas9 in one bacterial species and can do the same in human cells. 

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image: Phages Carry Antibiotic Resistance Genes

Phages Carry Antibiotic Resistance Genes

By Abby Olena | December 8, 2016

Researchers find evidence of antibiotic resistance genes in the DNA of viruses that infect bacteria.

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