Abstract：
:The linear hexitol altritol has only been identified in six genera, all of them in the order Fucales of the brown algae. Five of these genera are closely related according to molecular phylogenetic and other data, while the sixth (Notheia) is an obligate epiphyte on two other altritol-containing genera with which it is symphanic. The possibility that Notheia obtains altritol from the algae on which it is epiphytic rather than by synthesizing altritol independently was investigated by supplying 13C-inorganic carbon in the light followed by mass spectrometric and nuclear magnetic resonance analysis. Notheia separated from the phorophyte Hormosira during exposure to 13C showed 13C enrichment in both altritol and mannitol, while the Hormosira only showed significant labelling of mannitol. These data show that altritol can be synthesized by Notheia, with implications for the number of gains and losses of the capacity to synthesize altritol in the evolution of the Fucales.
journal_name
Phytochemistryjournal_title
Phytochemistryauthors
Raven JA,Beardall J,Chudek JA,Scrimgeour CM,Clayton MN,McInroy SGdoi
10.1016/s0031-9422(01)00286-2subject
Has Abstractpub_date
2001-10-01 00:00:00pages
389-94issue
3eissn
0031-9422issn
1873-3700pii
S0031942201002862journal_volume
58pub_type
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