THE CYTOCHEMICAL LOCALIZATION OF ASCORBIC ACID IN ROOT TIP CELLS | Zendy

William A. Jensen | Zendy; Leroy G. Kavaljian | Zendy

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THE CYTOCHEMICAL LOCALIZATION OF ASCORBIC ACID IN ROOT TIP CELLS

Author(s) -

William A. Jensen,

Leroy G. Kavaljian

Publication year - 1956

Publication title -

the journal of cell biology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.414

H-Index - 380

eISSN - 1540-8140

pISSN - 0021-9525

DOI - 10.1083/jcb.2.1.87

Subject(s) - ascorbic acid , cytoplasm , biology , vicia faba , silver nitrate , allium , meristem , cell , intracellular , root tip , biochemistry , botany , cell wall , microbiology and biotechnology , biophysics , food science , chemistry , nuclear chemistry , gene

The intracellular distribution of ascorbic acid was studied in frozen-dried root tips of Allium cepa and Vicia faba by the silver nitrate procedure. The sites of the ascorbic acid as indicated by the deposited silver appear as spherical (0.2 to 0.6 micro in diameter) cytoplasmic particles. The site appears to have small amounts of lipides and to be rich in ribonucleic acid. These particles are concluded to be submicroscopic in size and associated, in the elongating cell, with the cell surface. In the meristematic cells they appear fewer in number and are distributed throughout the cytoplasm.

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