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image: Plant Cell Walls Can Control Growth in the Dark

Plant Cell Walls Can Control Growth in the Dark

By Kerry Grens | February 1, 2018

To maintain an energy-saving growth strategy in the absence of light, seedlings need signals generated by pectin in their cell walls.

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Time-lapse imaging shows the immune cells transferring chemical signals during pigment pattern formation in developing zebrafish.

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image: Plant Photoreceptor Doubles as a Thermometer

Plant Photoreceptor Doubles as a Thermometer

By Ben Andrew Henry | 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: The Fungus that Poses as a Flower

The Fungus that Poses as a Flower

By Ben Andrew Henry | February 1, 2017

Mummy berry disease coats blueberry leaves with sweet, sticky stains that smell like flowers, luring in passing insects to spread fungal spores.

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image: Transgenerational Epigenetics Prepares Plants for Drought

Transgenerational Epigenetics Prepares Plants for Drought

By Ben Andrew Henry | 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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Spruce and pine and have relied on similar genetic toolkits for climate adaptation despite millions of years of evolution.

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A chloroplast mutation has dramatically affected the genomes of railside populations of Arabidopsis thaliana.

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image: Fungal Security Force

Fungal Security Force

By Karen Zusi | February 1, 2016

In yew trees, Taxol-producing fungi function as an immune system to ward off pathogens.

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image: Hydropowered Pollen

Hydropowered Pollen

By Karen Zusi | February 1, 2016

A tension-sensing ion channel regulates hydration and germination in pollen.

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image: Adding Padding

Adding Padding

By Karen Zusi | November 1, 2015

Adipogenesis in mice has alternating genetic requirements throughout the animals’ lives.

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