Blue and Green Light-Induced Phototropism in Arabidopsis thaliana and Lactuca sativa L. Seedlings | Zendy

Benjamin Steinitz | Zendy; Zhangling Ren | Zendy; Kenneth L. Poff | Zendy

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Blue and Green Light-Induced Phototropism in Arabidopsis thaliana and Lactuca sativa L. Seedlings

Author(s) -

Benjamin Steinitz,

Zhangling Ren,

Kenneth L. Poff

Publication year - 1985

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.77.1.248

Subject(s) - phototropism , lactuca , arabidopsis thaliana , botany , arabidopsis , blue light , biology , physics , gene , optics , genetics , mutant

Exposure time-response curves for blue and green light-induced phototropic bending in hypocotyls of Arabidopsis thaliana (L.) Heynh. and Lactuca sativa L. seedlings are presented. These seedlings show significant phototropic sensitivity up to 540 to 550 nanometers. Since wave-lengths longer than 560 nanometers do not induce phototropic bending, it is suggested that the response to 510 to 550 nanometers light is mediated by the specific blue light photoreceptor of phototropism. We advise care in the use of green ;safelights' for studies of phototropism.

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