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image: Dogs Have a Single Genetic Origin: Study

Dogs Have a Single Genetic Origin: Study

By Diana Kwon | July 18, 2017

A new genetic analysis contradicts a 2016 study proposing that our canine companions were domesticated from two distinct populations.

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image: Most of Human Genome Nonfunctional: Study

Most of Human Genome Nonfunctional: Study

By Kerry Grens | July 17, 2017

An estimate derived from fertility rates concludes that at least 75 percent of our DNA has no critical utility.

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At Harvard University the chemical biologist looks for new metabolic pathways to investigate how gut bacteria interact with one another and their hosts.

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image: Epigenetic Inheritance in Nematodes

Epigenetic Inheritance in Nematodes

By Catherine Offord | July 17, 2017

The memory of a temperature spike can persist for as many as 14 generations in C. elegans.

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image: Microbiota Manipulations

Microbiota Manipulations

By Ruth Williams | July 17, 2017

Two research teams develop tools for tinkering with a bacterial genus prominent in human guts.

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Scientists examine floating traces of DNA left by fish to better understand New York’s aquatic life.

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image: Making the Rounds

Making the Rounds

By Catherine Offord | July 17, 2017

Circular RNA biogenesis occurs when RNA fragments are bent into closed loops of one or more exons and/or introns.

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image: Messing with the Microbiome

Messing with the Microbiome

By Ruth Williams | July 17, 2017

Two new techniques allow researchers to manipulate the activity of gut bacteria. 

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image: Worms’ Epigenetic Memories

Worms’ Epigenetic Memories

By Catherine Offord | July 17, 2017

When kept at warmer temperatures for five generations, C. elegans showed evidence of “remembering” that experience for up to 14 generations.

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image: First Genetic Screen of Pigs Using ENU

First Genetic Screen of Pigs Using ENU

By Ashley Yeager | July 14, 2017

Using the mutagenic chemical N-ethyl-N-nitrosourea, researchers confirm the role of a gene in a piglet deformity and identify potential models for human diseases. 

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