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image: Genes’ Composition Guides More-Optimal Diets

Genes’ Composition Guides More-Optimal Diets

By | June 1, 2017

Fruit flies and mice grow better and eat less when the amino acid balance of their food reflects that coded by their exomes.

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image: Long-term Memory Storage Begins Immediately

Long-term Memory Storage Begins Immediately

By | June 1, 2017

In mice, cells in the prefrontal cortex—where memories are maintained long-term—start to encode a fearful experience right from the start.

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Scientists discover transcripts from the same gene that can express both proteins and noncoding RNA.  

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Mice engineered to overproduce the organelles involved in cell division spontaneously develop malignancies.

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image: Starvation Response Triggers Melanoma Invasion

Starvation Response Triggers Melanoma Invasion

By | April 1, 2017

Through similar mechanisms, amino acid depletion in culture and cytokine activity in the tumor microenvironment prompt cancer cells to metastasize.

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 Zebra finches reared by another species learn to sing their foster parents’ song with rhythms characteristic of their genetic background.

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Zebra finches dial down dopamine signaling when they hear errors in a song performance.

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image: Plant Photoreceptor Doubles as a Thermometer

Plant Photoreceptor Doubles as a Thermometer

By | February 1, 2017

Warmth acts on a light-sensing protein similarly to the way shade does, setting off a growth spurt in plant seedlings.

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image: RNA Sequences Don’t Predict In Vivo Transcript Structure

RNA Sequences Don’t Predict In Vivo Transcript Structure

By | January 1, 2017

Eukaryotes prevent secondary RNA structures called G-quadruplexes, commonly observed in vitro, from forming in the cell. 

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image: Transgenerational Epigenetics Prepares Plants for Drought

Transgenerational Epigenetics Prepares Plants for Drought

By | January 1, 2017

Plants grown in dry soil produce offspring that are hardier in drought conditions, and DNA methylation appears responsible. 

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