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The unicellular marine organism Salpingoeca rosetta belongs to the group of choanoflagellates. When hunting for bacteria, these protozoa can detect their prey by means of certain signaling molecules. They then form rosette-like multicellular structures to better catch their prey. However, some bacteria produce inhibitors to prevent the formation of the […]

Using these engineered proteins, researchers can record histories that reveal when certain genes are activated or how cells respond to a drug. As cells perform their everyday functions, they turn on a variety of genes and cellular pathways. MIT engineers have now coaxed cells to inscribe the history of these […]

Certain T cells can secrete cytokines that are normally part of the innate immune system, as researchers from the Leibniz Institute for Natural Product Research and Infection Biology (Leibniz-HKI) and an international research team discovered. They have thus revealed several previously unknown properties of these immune cells that are relevant […]

Although the human body is externally symmetric across the left-right axis, there are remarkable left-right asymmetries in the shape and positioning of most internal organs including the heart, lungs, liver, stomach, and brain. Left-right asymmetry is known to be established during early embryogenesis by a small cluster of cells termed […]