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Evidence for the cytoplasmic localization of betaine in leaf cells ofSuaeda maritima

✍ Scribed by J. L. Hall; Diana M. R. Harvey; T. J. Flowers

Publisher
Springer-Verlag
Year
1978
Tongue
English
Weight
804 KB
Volume
140
Category
Article
ISSN
0032-0935

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✦ Synopsis

An attempt has been made to localize glycinebetaine in shoots of Suaeda maritima L. Dum. using a technique based on the formation of an iodoplatinate precipitate. Deposits were largely restricted to the cytoplasm of salt-grown plants and were analysed by transmission analytical electron microscopy. The results are considered to support the hypothesis that glycinebetaine acts as a cytoplasmic osmoticum to balance high vacuolar salt levels in certain halophytes.

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