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פותח על ידי קלירמאש פתרונות בע"מ -
Effect of Mineral Deficiencies and Other Co‐factors on the Aldolase Enzyme Activity of Citrus Leaves
Year:
1971
Source of publication :
Physiologia Plantarum
Authors :
בר-עקיבא, אביגדור
;
.
שגיב, י'
;
.
Volume :
25
Co-Authors:
BAR‐AKIVA, A., Division of Citriculture, Volcani Institute of Agricultural Research, Bet Dagan, Israel
SAGIV, J., Division of Citriculture, Volcani Institute of Agricultural Research, Bet Dagan, Israel
HASDAI, D., Division of Citriculture, Volcani Institute of Agricultural Research, Bet Dagan, Israel
Facilitators :
From page:
386
To page:
390
(
Total pages:
5
)
Abstract:
Ca and S deficiencies cause a strong, N, P and Mg deficiencies a slight, and K deficiency an intermediate decrease in the aldolase activity of Eureka lemon leaves. Fe and Zn deficiencies result in a moderate decrease in the activity. Cysteine increases the enzyme activity (approximately 30 %). Opposed to with yeast aldolase, EDTA inhibits the enzyme activity only moderately in control (full nutrient) lemon leaves nor does Zn EDTA restore it. Gel electrophoresis of yeast and lemon leaves' aldolase isoenzymes also exhibited different patterns. Dialysis studies and other reactivation experiments with different ions failed to establish specific metal requirements of the aldolase in the lemon leaves. However, infiltration of Zn into Zn‐deficient detached and intact citrus leaves brought about a partial restoration of the enzyme activity. In view of these results, the relationship between the citrus leaf enzyme and the varying types of aldolase enzymes is discussed. Copyright © 1971, Wiley Blackwell. All rights reserved
Note:
Related Files :
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More details
DOI :
10.1111/j.1399-3054.1971.tb01461.x
Article number:
Affiliations:
Database:
סקופוס
Publication Type:
מאמר
;
.
Language:
אנגלית
Editors' remarks:
ID:
26593
Last updated date:
02/03/2022 17:27
Creation date:
17/04/2018 00:24
Scientific Publication
Effect of Mineral Deficiencies and Other Co‐factors on the Aldolase Enzyme Activity of Citrus Leaves
25
BAR‐AKIVA, A., Division of Citriculture, Volcani Institute of Agricultural Research, Bet Dagan, Israel
SAGIV, J., Division of Citriculture, Volcani Institute of Agricultural Research, Bet Dagan, Israel
HASDAI, D., Division of Citriculture, Volcani Institute of Agricultural Research, Bet Dagan, Israel
Effect of Mineral Deficiencies and Other Co‐factors on the Aldolase Enzyme Activity of Citrus Leaves
Ca and S deficiencies cause a strong, N, P and Mg deficiencies a slight, and K deficiency an intermediate decrease in the aldolase activity of Eureka lemon leaves. Fe and Zn deficiencies result in a moderate decrease in the activity. Cysteine increases the enzyme activity (approximately 30 %). Opposed to with yeast aldolase, EDTA inhibits the enzyme activity only moderately in control (full nutrient) lemon leaves nor does Zn EDTA restore it. Gel electrophoresis of yeast and lemon leaves' aldolase isoenzymes also exhibited different patterns. Dialysis studies and other reactivation experiments with different ions failed to establish specific metal requirements of the aldolase in the lemon leaves. However, infiltration of Zn into Zn‐deficient detached and intact citrus leaves brought about a partial restoration of the enzyme activity. In view of these results, the relationship between the citrus leaf enzyme and the varying types of aldolase enzymes is discussed. Copyright © 1971, Wiley Blackwell. All rights reserved
Scientific Publication
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