Journal Article

Expression of the Gene for NADP-Dependent Sorbitol-6-phosphate Dehydrogenase in Peach Leaves of Various Developmental Stages

Kaori Sakanishi, Yoshinori Kanayama, Hitoshi Mori, Kunio Yamada and Shohei Yamaki

in Plant and Cell Physiology

Published on behalf of Japanese Society of Plant Physiologists

Volume 39, issue 12, pages 1372-1374
Published in print December 1998 | ISSN: 0032-0781
Published online December 1998 | e-ISSN: 1471-9053 | DOI: https://dx.doi.org/10.1093/oxfordjournals.pcp.a029344
Expression of the Gene for NADP-Dependent Sorbitol-6-phosphate Dehydrogenase in Peach Leaves of Various Developmental Stages

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The level of NADP-dependent sorbitol-6-phosphate dehydrogenase (S6PDH) transcripts was higher in more developed peach leaves than in folded young leaves, and was concomitant to the alteration of enzyme activity and protein level. These results suggest that the expression of the S6PDH gene is associated with source function. The S6PDH activity and protein level in leaves also varied seasonally. They were higher in May, declined with fruit maturation, and rose again after fruit harvest. This change was probably controlled by the level of transcripts.

Keywords: Gene expression; Peach (Prunus persica Batsch var. vulgaris Maxim); Sink to source transition; Sorbitol-6-phosphate dehydrogenase (S6PDH); S6PDH transcript

Journal Article.  0 words. 

Subjects: Biochemistry ; Molecular and Cell Biology ; Plant Sciences and Forestry

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