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The contribution of sucrose metabolism enzymes to sucrose accumulation in Cucumis melo
Year:
2007
Authors :
Burger, Joseph
;
.
Schaffer, Arthur
;
.
Volume :
132
Co-Authors:
Burger, Y., Newe-Ya'ar Research Center, Agricultural Research Organization, P.O. Box 1021, Ramat Yishay, 30009, Israel
Schaffer, A.A., Department of Vegetable Research, Volcani Center, Agricultural Research Organization, Bet Dagan, 50250, Israel
Facilitators :
From page:
704
To page:
712
(
Total pages:
9
)
Abstract:
The relationship between sugar accumulation and sucrose metabolism enzyme activities was studied among seven genotypes of Cucumis melo L., covering the broad genetic range of sucrose accumulation found in the species. The primary determinant correlated with sucrose levels was the genetic variation for developmental loss of soluble acid invertase (AI) activity. Sucrose accumulation in the developing fruit began only when AI activity declined to less than an experimentally determined threshold value, and continued until removal of the fruit from the plant. In addition, the activities of sucrose phosphate synthase (SPS), sucrose synthase (SuSy), and neutral invertase (NI) were all positively correlated with sucrose accumulation among the genotypes. The low-sucrose-accumulating genotypes were characterized by low activities of each of the three enzymes, irrespective of their invertase activities. Final sucrose content was best predicted for each genotype by the number of days the fruit remained attached to the plant while characterized by "sucrose accumulation metabolism," which was characterized primarily by AI activity less than threshold values, together with SPS, SuSy, and NI activities higher than threshold levels.
Note:
Related Files :
Acid invertase
Cucumis
Cucumis melo
enzymes
Melon
Neutral invertase
Sucrose phosphate synthase
Sucrose synthase
Show More
Related Content
More details
DOI :
Article number:
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
31304
Last updated date:
02/03/2022 17:27
Creation date:
17/04/2018 01:01
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Scientific Publication
The contribution of sucrose metabolism enzymes to sucrose accumulation in Cucumis melo
132
Burger, Y., Newe-Ya'ar Research Center, Agricultural Research Organization, P.O. Box 1021, Ramat Yishay, 30009, Israel
Schaffer, A.A., Department of Vegetable Research, Volcani Center, Agricultural Research Organization, Bet Dagan, 50250, Israel
The contribution of sucrose metabolism enzymes to sucrose accumulation in Cucumis melo
The relationship between sugar accumulation and sucrose metabolism enzyme activities was studied among seven genotypes of Cucumis melo L., covering the broad genetic range of sucrose accumulation found in the species. The primary determinant correlated with sucrose levels was the genetic variation for developmental loss of soluble acid invertase (AI) activity. Sucrose accumulation in the developing fruit began only when AI activity declined to less than an experimentally determined threshold value, and continued until removal of the fruit from the plant. In addition, the activities of sucrose phosphate synthase (SPS), sucrose synthase (SuSy), and neutral invertase (NI) were all positively correlated with sucrose accumulation among the genotypes. The low-sucrose-accumulating genotypes were characterized by low activities of each of the three enzymes, irrespective of their invertase activities. Final sucrose content was best predicted for each genotype by the number of days the fruit remained attached to the plant while characterized by "sucrose accumulation metabolism," which was characterized primarily by AI activity less than threshold values, together with SPS, SuSy, and NI activities higher than threshold levels.
Scientific Publication
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