Signal Conversion and Auxin Transport in Plant Tropism

Dear Colleagues,

A tropism is a biological phenomenon, indicating the growth or turning movement of a biological organism, usually a plant, in response to an environmental stimulus. In tropisms, this response is dependent on the direction of the stimulus (as opposed to nastic movements which are non-directional responses). Tropisms are usually named for the stimulus involved (for example, a phototropism is a reaction to sunlight) and may be either positive (towards the stimulus) or negative (away from the stimulus).

Tropisms occur in three sequential steps. First, there is a sensation to a stimulus, which is usually beneficial to the plant. Next, signal transduction occurs. Finally, the directional growth response occurs.

This present Special Issue will focus on all recent developments in the exciting field of plant tropism: from the stimulus perception, through signal transduction, and to the growth response or the generation of contractile properties, which both involve fine changes at the level of cell wall polymers.

Dr. Takeshi Nishimura
Guest Editor

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• tropism
• gravitropism
• aerotropism
• hydrotropism
• phototropism
• statoliths
• amyloplasts
• auxin
• signal transduction
• cell wall
• extensibility
• differential growth
• microtubules
• G-layer
• plant fibers
• tertiary cell wall
• cellulose
• xyloglucan