Ultrastructural Localization of Bromine and Iodine in the Stipes of Laminaria digitata (Huds.) Lamour., Laminaria saccharina (L.) Lamour. and Laminaria hyperborea (Gunn.) Fosl.

Publisher Website
Google Scholar
Abstract
Ultrastructural localization of bromine and iodine by X-ray microanalysis was carried out in 3 Laminaria spp. Marked differences in the localization of these elements between different species were found. Within a single species, seasonal and age differences in the accumulation of I and Br could be seen. In stipes of L. digitata (Huds.) Lamour., collected in Feb., I was found in semi-dense, physode-like cytoplasmic vesicles. Also the physodes in old (but not in young) stipes of L. saccharina (L.) Lamour. contained I or Br, in contrast to corresponding structures of L. hyperborea (Gunn.) Fosl., where neither element could be detected. I or Br could be found in the outer cell wall of all 3 Laminaria spp.

This publication has 23 references indexed in Scilit: