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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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image: Microglia Turnover in the Human Brain

Microglia Turnover in the Human Brain

By Shawna Williams | October 1, 2017

Researchers find that about a quarter of the immune cells are replaced every year.

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Pauses may help cells fine-tune gene expression.

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image: Researchers Identify Clue to Asymmetric Cell Division

Researchers Identify Clue to Asymmetric Cell Division

By Shawna Williams | September 1, 2017

Phosphorylation of a surface protein on endosomes is key to the organelles’ uneven distribution in daughter cells.

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Using single-cell RNA sequencing, scientists characterize new populations of dendritic cells and monocytes.

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The presence of similar light-emitting enzymes in the distantly related organisms lends new insight into bioluminescence evolution.

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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 Catherine Offord | 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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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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