Title

Bromine, bromophenols and floridorubin in the red alga Lenormandia prolifera

Document Type

Article

Publication details

Pedersén, M, Saenger, P, Rowan, KS & Hofsten, AV 1979, 'Bromine, bromophenols and floridorubin in the red alga Lenormandia prolifera', Physiologia Plantarum, vol. 46, no. 2, pp. 121-126.

The definitive version is available at www3.interscience.wiley.com, http://dx.doi.org/10.1111/j.1399-3054.1979.tb06543.x

Abstract

The pigment floridorunin was localized to the cuticle of the red alga Lenormandia prolifera (C. Ag.) J. Agardh by x-ray micro-analysis in Ihe transmission electron microscope and by its colour reactions in the light microscope. The pigment was set free from the cell wall by a pectinase. Bromine was also identified in the chloro-plasts. the middle lamellae, the intercellulars and the pore plugs of the alga. The content of bromophenols in the alga increases with increasing age. The cell walls of old plants are stratified and their outer parts are apparently shed. The bromophenols could have a function as regulators of the epiphytes or the shedding of parts of the outer cell wall.

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