The making of a compound leaf: genetic manipulation of leaf architecture in tomato

Article Abstract:

Highly compound leaf structures were induced in tomato plants by introducing a homeobox gene, Kn1, derived from corn plants. Mutant tomato plants produced leaves that were highly divided into smaller versions of its basic leaf shape. A similar manipulation of leaf development in plants that produce simple leaves failed to produce compound structures. The localization of a Kn-1 analog in tomato leaf primordia points to a divergence in developmental stages that lead to the production of either simple or compound leaves.

Genetic aspects, Leaves

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The new bacterial cell biology: Moving parts and subcellular architecture

Article Abstract:

The bacterial cell has an exquisitely organized and dynamic subcellular architecture and like their eukaryotic counterparts, bacteria employ a full complement of cytoskeletal proteins, localize proteins and DNA to specific subcellular addresses at specific times, and use intercellular signaling to coordinate multicellular events. The molecular similarities between prokaryotic and eukaryotic cell biology makes bacteria powerful model systems for studying fundamental cell questions.

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Neuroscience and architecture: Seeking common ground

Article Abstract:

Neuroscientists and architects are coming together to bring the technical knowledge and skill about their respective fields to improve the environment of research buildings and laboratories. Architects who wish to optimize the design of built space can utilize the neuroscience literatures.

United States, Science & research, Testing Laboratories, Biomedical Testing Labs, Research, Design and construction, Medical laboratories, Biomedical laboratories, Neurosciences

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