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By M. E. McCully, M. J. Canny (auth.), B. C. Loughamn, O. Gašparíková, J. Kolek (eds.)

ISBN-10: 9400908911

ISBN-13: 9789400908918

ISBN-10: 9401068895

ISBN-13: 9789401068895

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Read or Download Structural and Functional Aspects of Transport in Roots: Third International Symposium on ‘Structure and Function of Roots’ Nitra, Czechoslovakia, 3–7 August 1987 PDF

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Additional info for Structural and Functional Aspects of Transport in Roots: Third International Symposium on ‘Structure and Function of Roots’ Nitra, Czechoslovakia, 3–7 August 1987

Example text

I). In the central cylinder, the periphery is more coloured than the central part. With naphthol AS acetate the results are similar to those obtained with I-naphthyl butyrate, but the two layers are not conspicuous. In further experiments we tried some other amide and ester substrates. The material was handled as mentioned before and the media - with the exception of substrates - were the same. Plain N-acyl NAs (see Table I) were not hydrolysed at all. From several N-acetylated aminoacid esters applied (see Table I), a positive reaction appeared only with N-acetyl-L-glycine-2-naphthyl ester.

0% sucrose) there are seven periclinal divisions; usually, these all occur in the Fig. 1. 0% sucrose. Cells of the innermost cortical row are numbered sequentially starting from the most apical cell of the cortical cell-complex (cell number I). Cells considered to be the next to divide longitudinally in (A) are: 1, 2 and 5; in (B) they are 2,3, 5, 7 and 9; and in (C) they are I, 2, 3, 4, 5, 7 and II. Scale bar represents 25/lm. Table 2. 0 " I - Innermost row of the cortex; I-I-row next to I; 1-2row next to I-I , elc.

1. Many hydro lases are present in the root tip and the activity of some of them is fairly high. The knowledge of the role of hydro lases in cell 29 30 Benes et al. sponding to particular root growth zones. e. unequal number and disparate position of the bands. However, we were not able to discern any general conclusion concerning the relation between isoenzynme patterns and the progress of cell growth and maturation (Hadacova and Benes, 1977). The present paper is a continuation of our above mentioned studies and is devoted to the comparison of the localization and of the isoenzyme patterns of some peptidases and esterases.

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Structural and Functional Aspects of Transport in Roots: Third International Symposium on ‘Structure and Function of Roots’ Nitra, Czechoslovakia, 3–7 August 1987 by M. E. McCully, M. J. Canny (auth.), B. C. Loughamn, O. Gašparíková, J. Kolek (eds.)


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