α-d-galactosidase deficiency in coconut endosperm: its possible pleiotropic effects in makapuno |
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| Authors: | Cesar V. Mujer Dolores A. Ramirez Evelyn Mae T. Mendoza |
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| Affiliation: | Biochemistry and Genetics Laboratories Institute of Plant Breeding, University of the Philippines at Los Ba?os, College, Laguna 3720, Philippines |
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| Abstract: | α-d-galactosidase (α-d-galactoside galactohydrolase, EC 3.2.1.22) activity in the normal endosperm increased with age continually up to endosperm maturity. In contrast, makapuno α-d-galactosidase was hardly detected in almost all stages of development except the last, where its activity was 8300-fold lower as compared to the normal. The possible role of α-d-galactosidase in the formation of the makapuno endosperm is discussed. |
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| Keywords: | Palmae coconut ontogenetic activity enzyme deficiency mutant endosperm. |
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