Abstract
When cell-suspension cultures and callus tissue from Nicotiana tabacum are grown on medium containing α-naphthaleneacetic acid (NAA) and kinetin, three classes of auxin-binding proteins can be detected. When the herbicide 2,4-dichlorophenoxyacetic acid is used instead of both NAA and kinetin, one of these sites, which is membranebound, disappears. After retransferring cells to medium containing NAA and kinetin, this membrane-bound site reappears after four to eight weeks. This reappearance is correlated with the ability of the cells to regenerate roots.
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Abbreviations
- IAA:
-
indole-3-acetic acid
- NAA:
-
α-naphthaleneacetic acid
- 2,4-D:
-
2,4-dichlorophenoxyacetic acid
References
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Maan, A.C., van der Linde, P.C.G., Harkes, P.A.A. et al. Correlation between the presence of membrane-bound auxin binding and root regeneration in cultured tobacco cells. Planta 164, 376–378 (1985). https://doi.org/10.1007/BF00402949
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DOI: https://doi.org/10.1007/BF00402949