Phosphate Translocator of Mesophyll and Bundle Sheath Chloroplasts of a C4 Plant, Panicum miliaceum L. | Zendy

Jun-ichi Ohnishi | Zendy; Ulf Ingo Flügge | Zendy; Hans Walter Heldt | Zendy

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Phosphate Translocator of Mesophyll and Bundle Sheath Chloroplasts of a C₄ Plant, Panicum miliaceum L.

Author(s) -

Jun-ichi Ohnishi,

Ulf Ingo Flügge,

Hans Walter Heldt

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.91.4.1507

Subject(s) - panicum miliaceum , vascular bundle , chloroplast , botany , biology , chemistry , biochemistry , gene

The phosphate translocator was identified in the envelope membranes of both mesophyll and bundle sheath chloroplasts of Panicum miliaceum L. by labeling with [1,2-(3)H]1,2-(2,2' -disulfo-4,4' -diisothiocyano)diphenylethane ([(3)H]H(2)DIDS) and by using SDS-PAGE. Assay of (32)Pi uptake by the chloroplasts showed that the phosphate translocators of both types of chloroplasts have a higher affinity for phosphoenolpyruvate than the C(3) counterpart and can be regarded as C(4) types.

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