Kinetically Distinguishable Populations of Phytochrome | Zendy

William K. Purves | Zendy; Winslow R. Briggs | Zendy

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Kinetically Distinguishable Populations of Phytochrome

Author(s) -

William K. Purves,

Winslow R. Briggs

Publication year - 1968

Publication title -

plant physiology

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 3.554

H-Index - 312

eISSN - 1532-2548

pISSN - 0032-0889

DOI - 10.1104/pp.43.8.1259

Subject(s) - phytochrome , biology , botany , multiplicity (mathematics) , phytochrome a , biochemistry , red light , gene , arabidopsis , mathematical analysis , mathematics , mutant

Two or more kinetically distinguishable populations of phytochrome molecules were observed in living tissues of oat, pea, maize, and cauliflower, as well as in extracts of oat. At least 3 different populations occurred in cauliflower florets, while 2 were observed in each of the other species. In extracted oat phytochrome, the relative proportions of the 2 forms remained constant during successive stages of purification. The physiological significance of this multiplicity of forms remains unclear.

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