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苋属植物幼苗中甜菜色素合成的温度依赖性表达

Temperature-dependent Expression of Betacyanin Synthesis in Amaranthus Seedlings.

作者信息

Elliott D C

机构信息

School of Biological Sciences, Flinders University of South Australia, Bedford Park, South Australia 5042.

出版信息

Plant Physiol. 1979 Feb;63(2):277-9. doi: 10.1104/pp.63.2.277.

Abstract

Two phenomena related to temperature effects have been observed during the induction of betacyanin synthesis by a cytokinin (benzyladenine) in Amaranthus tricolor seedlings. One is a total inhibition of betacyanin accumulation at a temperature (39 C) at which seedling growth is unimpaired, and where there is still adequate uptake of benzyladenine. The other is the apparent induction of a higher potential for subsequent betacyanin synthesis following pretreatment of the seedlings at an elevated temperature.

摘要

在用细胞分裂素(苄基腺嘌呤)诱导三色苋幼苗中甜菜色素合成的过程中,观察到了两种与温度效应相关的现象。一种是在某个温度(39℃)下甜菜色素积累完全受到抑制,此时幼苗生长未受影响,且苄基腺嘌呤的吸收仍充足。另一种是在较高温度下对幼苗进行预处理后,后续甜菜色素合成的潜力明显增加。

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