Effects of low temperature on sorbitol biosynthesis in peach leaves

Michihito Deguchi; Hiroshi Saeki; Wataru Ohkawa; Koki Kanahama; Yoshinori Kanayama

doi:10.2503/jjshs.71.446

Effects of low temperature on sorbitol biosynthesis in peach leaves

Michihito Deguchi, Hiroshi Saeki, Wataru Ohkawa, Koki Kanahama, Yoshinori Kanayama

Research output: Contribution to journal › Article › peer-review

14 Citations (Scopus)

Abstract

Effect of low temperature on sorbitol metabolism was investigated in peach (Prunus persica Batsch var. vulgaris Mixim.) leaves. Sorbitol content in leaf discs was increased after 16-hr incubation at 10/4°C whereas it remained constant at 18°C. The conversion of (¹⁴C) glucose to (¹⁴C) sorbitol was also hastened by the low temperature treatment. Northern blot analysis indicated that the level of mRNA encoding putative S6PDH was higher under low temperature than control. These results suggest that sorbitol accumulation is induced by low temperature and the accumulation is due to an increase in sorbitol biosynthesis from glucose that is related to the expression of the S6PDH gene.

Original language	English
Pages (from-to)	446-448
Number of pages	3
Journal	Journal of the Japanese Society for Horticultural Science
Volume	71
Issue number	3
DOIs	https://doi.org/10.2503/jjshs.71.446
Publication status	Published - 2002

Keywords

Low temperature
Peach
Sorbitol
Sorbitol-6-phosphate dehydrogenase

ASJC Scopus subject areas

Horticulture

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10.2503/jjshs.71.446

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abstract = "Effect of low temperature on sorbitol metabolism was investigated in peach (Prunus persica Batsch var. vulgaris Mixim.) leaves. Sorbitol content in leaf discs was increased after 16-hr incubation at 10/4°C whereas it remained constant at 18°C. The conversion of (14C) glucose to (14C) sorbitol was also hastened by the low temperature treatment. Northern blot analysis indicated that the level of mRNA encoding putative S6PDH was higher under low temperature than control. These results suggest that sorbitol accumulation is induced by low temperature and the accumulation is due to an increase in sorbitol biosynthesis from glucose that is related to the expression of the S6PDH gene.",

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T1 - Effects of low temperature on sorbitol biosynthesis in peach leaves

AU - Deguchi, Michihito

AU - Saeki, Hiroshi

AU - Ohkawa, Wataru

AU - Kanahama, Koki

AU - Kanayama, Yoshinori

PY - 2002

Y1 - 2002

N2 - Effect of low temperature on sorbitol metabolism was investigated in peach (Prunus persica Batsch var. vulgaris Mixim.) leaves. Sorbitol content in leaf discs was increased after 16-hr incubation at 10/4°C whereas it remained constant at 18°C. The conversion of (14C) glucose to (14C) sorbitol was also hastened by the low temperature treatment. Northern blot analysis indicated that the level of mRNA encoding putative S6PDH was higher under low temperature than control. These results suggest that sorbitol accumulation is induced by low temperature and the accumulation is due to an increase in sorbitol biosynthesis from glucose that is related to the expression of the S6PDH gene.

AB - Effect of low temperature on sorbitol metabolism was investigated in peach (Prunus persica Batsch var. vulgaris Mixim.) leaves. Sorbitol content in leaf discs was increased after 16-hr incubation at 10/4°C whereas it remained constant at 18°C. The conversion of (14C) glucose to (14C) sorbitol was also hastened by the low temperature treatment. Northern blot analysis indicated that the level of mRNA encoding putative S6PDH was higher under low temperature than control. These results suggest that sorbitol accumulation is induced by low temperature and the accumulation is due to an increase in sorbitol biosynthesis from glucose that is related to the expression of the S6PDH gene.

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Effects of low temperature on sorbitol biosynthesis in peach leaves

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Keywords

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