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Science Seen; Models and Targets; Interdisciplinary Research

Front Page | Science Seen; Models and Targets; Interdisciplinary Research SCIENCE SEEN Courtesy of Science Photo Library ROCKETTES MATERIAL? This diatom, belonging to the Bacillariophyceae class of minute planktonic unicellular or colonial algae, could be called the daddy longlegs of the unicellular marine world. Found in plankton, this Bacteriastrum delicatulum has very ornate cell walls made of silica; its legs may aid flotation. Plankton forms the basis for the entire marine food ch

Brendan Maher

Front Page | Science Seen; Models and Targets; Interdisciplinary Research


SCIENCE SEEN

Courtesy of Science Photo Library
 ROCKETTES MATERIAL? This diatom, belonging to the Bacillariophyceae class of minute planktonic unicellular or colonial algae, could be called the daddy longlegs of the unicellular marine world. Found in plankton, this Bacteriastrum delicatulum has very ornate cell walls made of silica; its legs may aid flotation. Plankton forms the basis for the entire marine food chain. This colored image was captured by a scanning electron microscope.

 

MODELS AND TARGETS
HIC-down

Johns Hopkins School of Medicine researchers developed a murine model to investigate the role of the HIC1 gene, which encodes a zinc-finger transcription factor. HIC1 is hypermethylated (in cancer) and therefore transcriptionally silent in many cancer types. HIC1-/- mice were not viable. But, heterozygotes developed normally for about a year, and then a variety of sex-dependent tumors arose. Males displayed...

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