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Chemotropism
 | This article needs additional citations for verification. (November 2015) |
Chemotropism is defined as the growth of organisms navigated by chemical stimulus from outside of the organism. It has been observed in bacteria, plants and fungi.[1] A chemical gradient can influence the growth of the organism in a positive or negative way. Positive growth is characterized by growing towards a stimulus and negative growth is growing away from the stimulus.[2]
Chemotropism is slightly different from Chemotaxis, the major difference being that chemotropism is related to growth, while chemotaxis is related to locomotion. A chemotropic process may have an underlying chemotactic component, as is the case with mating yeast.[3]
- ^ Turrà, David; El Ghalid, Mennat; Rossi, Federico; Di Pietro, Antonio (2015). "Fungal pathogen uses sex pheromone receptor for chemotropic sensing of host plant signals". Nature. 527 (7579): 521–524. Bibcode:2015Natur.527..521T. doi:10.1038/nature15516. ISSN 0028-0836. PMID 26503056. S2CID 4449720.
- ^ "Chemotropism Definition and Examples - Biology Online Dictionary". Biology Articles, Tutorials & Dictionary Online. 2019-10-07. Retrieved 2020-03-23.
- ^ Cite error: The named reference
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