Algae, green

In a more elaborate and specific synthesis, the terpenoid indole skeleton found in haplaindole G, which is isolated from a blue-green alga, was constructed by addition of a nucleophilic formyl equivalent to enone 6.5A. Cyelization and aromatization to the indole 6.6B followed Hg -catalysed unmasking of the aldehyde group[6]. [Pg.50]

National Rivers Authority, Toxic Blue-green Algae, Water Quality Series Report No. 2, NRA, 1990,... [Pg.28]

National Rivers Authority, Toxic Bine-Green Algae The Report of the National Rivers Authority,... [Pg.112]

G. A. Codd, The Toxicity of Benthic Blue-Green Algae in Scottish Freshwaters, Report No. FR/SC... [Pg.117]

Procaryotic organism Microorganisms which do NOT have an organized nucleus surrounded by a nuclear membrane. Bacteria and blue-green algae fit in this category. [Pg.623]

FIGURE 22.3 (a) Spirogyra—a fre.shwater green alga, (b) A higher plant cell. [Pg.711]

Chlorophyll h, in which the 3-Me group is replaced by -CHO this occurs in higher plants and green algae, the ratio CHI/uChl being-1 3. [Pg.126]

The tjipanazoles (18, 19a-d, 20a-b) a group of A-glycosides of indolo-[2,3-a]carbazole, have been isolated from the moderately antifungal extract of the blue-green alga Tolypothrix tjipanasensis. These alkaloids do not exhibit antitumor or protein kinase C (PKC) inhibitory activity, which is in contrast with the... [Pg.5]

Strongly hepatotoxic cyclic heptapeptides produced by some species of freshwater cyanobacteria (blue-green algae) (28). These microcystins represent a health risk to humans through drinking water, since they have been found to act as tumor promoters (29). Several chromatographic analytical procedures for microcystins have been... [Pg.120]

Pracamboan (Mainly igneoua and matamorphic rocKs 1,000— Pfimj lrve marine animals Green algae... [Pg.245]

Oldest dated rocks Bacieria, blue green algae... [Pg.245]

A slight toxic effect ( toxic defined as negative effects on health, growth, and reproduction) of the treated receiving water on the green alga Spiropyra species as a typical representative of the P-mesosaprobic zone was observed, when the test unit was subjected to the impact of 40 ppm secondary alkanesulfonates. [Pg.213]

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