Influence of Hook Position on Phototropic and Gravitropic Curvature by Etiolated Hypocotyls of Arabidopsis thaliana | Zendy

Jitendra P. Khurana | Zendy; Thérèse R. Best | Zendy; Kenneth L. Poff | Zendy

AI Assistant Blog Pricing

Home ZAIA Blog

Open Access

Influence of Hook Position on Phototropic and Gravitropic Curvature by Etiolated Hypocotyls of Arabidopsis thaliana

Author(s) -

Jitendra P. Khurana,

Thérèse R. Best,

Kenneth L. Poff

Publication year - 1989

Publication title -

plant physiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.554

H-Index - 312

eISSN - 1532-2548

pISSN - 0032-0889

DOI - 10.1104/pp.90.2.376

Subject(s) - phototropism , hook , etiolation , curvature , gravitropism , hypocotyl , arabidopsis thaliana , population , arabidopsis , biology , botany , physics , biophysics , geometry , genetics , mathematics , optics , biochemistry , enzyme , structural engineering , demography , sociology , gene , mutant , blue light , engineering

Phototropic and gravitropic curvature by hypocotyls of Arabidopsis thaliana is minimal when the side of the hook with the cotyledons attached is positioned toward the direction of tropistic curvature, and maximal when that side of the hook is positioned away from the direction of tropistic curvature. Based on these data, it is proposed that the position of the hook with attached cotyledons affects curvature and not stimulus perception. A randomly oriented population of plants exhibited considerable heterogeneity in tropistic curvature. This heterogeneity arises at least in part from the dependence of curvature on the position of the hook.

The content you want is available to Zendy users.

Already have an account? Click here to sign in.

Having issues? You can contact us here

Accelerating Research