STUDIES IN RESPIRATORY AND CARBOHYDRATE METABOLISM OF PLANT TISSUES .25. CHANGES IN RATE OF CO2 OUTPUT AND IN CONTENT OF VARIOUS PHOSPHATE COMPOUNDS IN POTATOES

被引：9

作者：

BARKER, J

机构：

[1] The Botany School, University of Cambridge

来源：

NEW PHYTOLOGIST | 1968年 / 67卷 / 03期

关键词：

D O I：

10.1111/j.1469-8137.1968.tb05478.x

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

The changes of various phosphate compounds were determined during the increase in rate of CO2 output and of sugar content which occurred in low‐sugar potatoes at 1° C. The contents of phosphate compounds were also estimated in high‐ and low‐sugar potatoes at 10° C. The increase in rate of CO2 output associated with higher sugar content could not be attributed wholly to an increase in the amounts of the hexose mono‐ and di‐phosphates; possible explanations are given. The changes observed in glucose‐1‐phosphate do not afford any explanation of the mechanism of sweetening and de‐sweetening in potatoes. In different metabolic data the quotient, glucose‐1‐phosphate/glucose‐6‐phosphate, remained close to that for phosphoglucomutase in vitro. Copyright © 1968, Wiley Blackwell. All rights reserved

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页码：495 / &

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