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Items for "Rhodophyta"

Polyphosphate and siliceous granules in the macroscopic gametophytes of the red alga Porphyra purpurea (Bangiophyceae, Rhodophyta)

Phosphorylated fractions in tissues of starved and fresh plants of Porphyra purpurea, a representative of the Bangiophyceae, were analyzed over a 48 h incubation period in pulse-enriched seawater (15 uM phosphorus and 25 uM nitrogen)...

Keywords: Chondrus crispus, polyphosphates, Porphyra purpurea, Rhodophyta, siliceous granules

07/2004 | Botanica Marina, Walter de Gruyter
Aglaothamnion rigidulum nov. spec. (Rhodophyta, Ceramiaceae) from South Africa

Aglaothamnion rigidulum is described as a new species from southern Kwazulu-Natal, South Africa...

Keywords: Aglaothamnion, Callithamnion, Ceramiaceae, Rhodophyta, South Africa

11/2004 | Botanica Marina, Walter de Gruyter
Evaluation of the structures of polysaccharides from three taxa in the genus Hymenena and from Acrosorium decumbens (Rhodophyta, Delesseriaceae)

The polysaccharides extracted from Hymenena palmata, Hymenena palmata f...

Keywords: Acrosorium decumbens, Delesseriaceae, galactans, Hymenena palmata, Hymenena variolosa, Rhodophyta, sulfated polysaccharides, xylan

04/2005 | Botanica Marina, Walter de Gruyter
Optimum conditions for cultivation of the Trailliella phase of Bonnemaisonia hamifera Hariot (Bonnemaisoniales, Rhodophyta), a candidate species for secondary metabolite production

Red algae of the order Bonnemaisoniales produce secondary metabolites that may be used as preservatives for industrial applications...

Keywords: algal culture, Bonnemaisonia, Growth, Rhodophyta, Trailliella

10/2005 | Botanica Marina, Walter de Gruyter
Variations in lipid composition among different developmental stages of Gracilaria verrucosa (Rhodophyta)

Variation in the lipid composition of the marine red alga Gracilaria verrucosa at different developmental stages was examined...

Keywords: developmental stage, Gracilaria verrucosa, lipids, macroalgae, Rhodophyta

02/2006 | Botanica Marina, Walter de Gruyter
Ganonema vermiculare sp. nov. (Liagoraceae, Rhodophyta), a new species from Puerto Rico, Caribbean Sea

A new species of Ganonema, G. vermiculare, is described based on specimens collected from 11–17 m depths in southwestern Puerto Rico...

Keywords: Caribbean Sea, Ganonema vermiculare, Liagoraceae, Puerto Rico, Rhodophyta

04/2006 | Botanica Marina, Walter de Gruyter
Antithamnionella multiglandulosa sp. nov. (Rhodophyta, Ceramiaceae) from the Atlantic Iberian Peninsula

Antithamnionella multiglandulosa is described as a new species from the Atlantic side of the Iberian Peninsula...

Keywords: Antithamnionella, Atlantic Iberian Peninsula, Ceramiaceae, Rhodophyta, taxonomy

04/2006 | Botanica Marina, Walter de Gruyter
Observations on the mode and seasonality of reproduction in Furcellaria lumbricalis (Gigartinales, Rhodophyta) populations in the northern Baltic Sea

The life cycle of the red alga, Furcellaria lumbricalis, is poorly known in the northern part of the brackish water Baltic Sea, even though it is one of the most common red algal species in the region...

Keywords: asexual reproduction, Baltic Sea, Furcellaria lumbricalis, Rhodophyta

09/2006 | Botanica Marina, Walter de Gruyter
Vegetative and reproductive morphology of Kallymenia patens (Kallymeniaceae, Rhodophyta) in the Mediterranean Sea

Reproductive morphology of the Mediterranean red alga Kallymenia patens is described for the first time, confirming its position in the genus...

Keywords: Kallymenia patens, Kallymeniaceae, reproduction, Rhodophyta, taxonomy

09/2006 | Botanica Marina, Walter de Gruyter
Filament induction in Halymenia sinensis (Halymeniaceae, Rhodophyta)

Callus-like filaments of Halymenia sinenis were induced from different-sized healthy thalli and overgrown discoid crusts...

Keywords: callus-like tissue, differentiation, filament, Halymenia sinenis, induction, Rhodophyta

09/2006 | Botanica Marina, Walter de Gruyter
Effect of nitrogen and phosphorus on the development and differentiation of vegetative cells of Porphyra yezoensis on solid agar medium

To identify the optimal nitrogen and phosphorus concentrations for development and differentiation of vegetative cells of Porphyra yezoensis cultured on solidified agar medium, vegetative cells were isolated with marine gastropod enzymes from mature thalli and varied concentrations of nitrogen and phosphorus were added to the culture media...

Keywords: differentiation, N:P ratio, phosphorus, Porphyra yezoensis, Rhodophyta, solid culture

12/2006 | Botanica Marina, Walter de Gruyter
Peyssonnelia imbricata sp. nov. (Peyssonneliaceae, Rhodophyta) from Puerto Rico, Caribbean Sea

Peyssonnelia imbricata sp. nov. occurs in shallow protected coral reef, mangrove and deep-reef habitats in southwestern Puerto Rico, Caribbean Sea...

Keywords: Caribbean Sea, Peyssonnelia imbricata, Peyssonneliaceae, Puerto Rico, Rhodophyta, western Atlantic Ocean

12/2006 | Botanica Marina, Walter de Gruyter
A fungal gall of Catenella nipae (Caulacanthaceae, Rhodophyta) and a review of Catenellocolax leeuwenii

Growths were found on the surface of Catenella nipae at Patonga, New South Wales, Australia...

Keywords: Ascomycota, Catenella, Catenellocolax, fungal galls, Rhodophyta

10/2008 | Botanica Marina, Walter de Gruyter
Champia harveyana sp. nov. (Champiaceae, Rhodophyta) from Puerto Rico, Caribbean Sea

Examination of specimens referable to Champia salicornioides from offshore algal plains in southwest Puerto Rico (Caribbean Sea) resulted in recognition of algae with different branching origins...

Keywords: Champiaceae, Champia harveyana sp. nov, Champia salicornioides, Puerto Rico, Rhodophyta

10/2008 | Botanica Marina, Walter de Gruyter
Ceramium periconicum sp. nov. (Ceramiaceae, Rhodophyta): a new subtidal species from Baja California Sur, Mexico

Ceramium periconicum sp. nov. is described from Baja California Sur, Mexico based on the developmental morphology of vegetative and reproductive plants...

Keywords: Ceramiaceae, Ceramium, Ceramium periconicum sp. nov, Rhodophyta, taxonomy

08/2008 | Botanica Marina, Walter de Gruyter
Chylocladia wynnei sp. nov. (Champiaceae, Rhodophyta) from the Mediterranean Sea

A new species, Chylocladia wynnei sp. nov., is described from the Mediterranean Sea...

Keywords: Aeolian Islands, Champiaceae, Chylocladia wynnei, Mediterranean Sea, Rhodophyta

05/2008 | Botanica Marina, Walter de Gruyter