Results 91 to 100 of about 134 (120)
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Intercellular assimilate translocation in Gracilaria cornea (Gracilariaceae, Rhodophyta)

Hydrobiologia, 1996
Assimilate translocation has been identified and characterized in Gracilaria cornea under different conditions. Carbon fixation and translocation were carried out by inserting the base part of the thallus into a bicarbonate labeled solution in seawater and exposing its upper part to the air (open system) or to a non-labeled solution above a rubber ...
Yael Gonen   +3 more
openaire   +1 more source

Complete mitochondrial genome of Gracilaria changii (Rhodophyta: Gracilariaceae)

Journal of Applied Phycology, 2017
Gracilaria changii is an agarophyte that has been used for agar extraction and as salads. Currently, there are only three complete mitochondrial genomes of Gracilaria species available in GenBank. We report here the complete mitogenome of G. changii from Peninsular Malaysia using next-generation sequencing.
Sze-Looi Song   +3 more
openaire   +1 more source

Structure of reproductive apparatus of Gracilaria/Gracilariopsis lemaneiformis (Gracilariaceae, Rhodophyta)

Science in China Series C: Life Sciences, 2008
Reproductive apparatus of Gracilaria/Gracilariopsis lemaneiformis collected from Qingdao city were studied with a light and a transmission electron microscope. The special superficial arrangement of spermatangium for this species was clearly observed, and the ultrastructure of spermatangial development revealed the similar cytodynamic pattern followed ...
Di, Xu   +5 more
openaire   +2 more sources

Approaches to the identification of terete Brazilian Gracilariaceae (Gracilariales, Rhodophyta)

Hydrobiologia, 1996
Most of the agar production in the world now comes from terete species of Gracilariaceae, a notoriously difficult group with regard to species circumscription. We have studied different populations of such algae from Brazil and from abroad in order to ascertain their identity and relationship.
Estela M. Plastino, Eurico C. Oliveira
openaire   +1 more source

Phylogeny of Gracilariaceae (Rhodophyta): evidence from plastid and mitochondrial nucleotide sequences

Journal of Phycology, 2015
Gracilariaceae are mostly pantropical red algae and include ~230 species in seven genera. Infrafamilial classification of the group has long been based on reproductive characters, but previous phylogenies have shown that traditionally circumscribed groups are not monophyletic.
Goia de M, Lyra   +9 more
openaire   +2 more sources

Agar polysaccharides from Gracilaria species (Rhodophyta, Gracilariaceae)

Journal of Biotechnology, 2001
Yield, physical and chemical properties of agar from three agarophytes species (Gracilaria gracilis, G. dura and G. bursa-pastoris) were determined.
openaire   +2 more sources

Long interspersed elements in three species of Gracilaria (Gracilariaceae, Rhodophyta)

Chinese Journal of Oceanology and Limnology, 2007
In order to find out whether long interspersed elements (LINEs) existed in macro-algae genomes or not, we tested the LINE homologues in representative families (species): Gracilaria (G. eucheumoides Harv., G. tenuistipitata Chang et Xia, and G. textorii (Sur) De-Toni), Laminaria (L. longissima Miyabe and L. japonica Aresch.), and Ulva (U.
Yuhui Li   +3 more
openaire   +1 more source

Molecular relationships among the Gracilariaceae (Rhodophyta): further observations on some undetermined species

European Journal of Phycology, 1994
We have used molecular characteristics to clarify the taxonomic status of three problematic gracilarioid algae, by comparison with existing data for the Gracilariaceae. Nucleotide sequences of nuclear-encoded 18S rDNA were determined for an unidentified species of Gracilariopsis from North Carolina, and two infertile strains of gracilarioid algae from ...
Bird, CJ   +4 more
openaire   +3 more sources

A review of recent taxonomic concepts and developments in the Gracilariaceae (Rhodophyta)

Journal of Applied Phycology, 1995
Despite much effort in the past decade to resolve the taxonomy of algae in the Gracilariaceae, the family remains problematic. Genetic concepts have become equivocal as their diagnostic reproductive features have been reported as mixed in single species.
openaire   +1 more source

Effects of season on the yield and quality of agar from Gracilaria species (Gracilariaceae, Rhodophyta)

Bioresource Technology, 2003
The effect of season on yield and physical properties of agars extracted from Gracia gracilis and G. bursa-pastoris were determined. The agar yield from G. gracilis was maximum during spring (30%) and minimum during autumn (19%). In G. bursa-pastoris, the agar yield was greatest in summer (36%) and lowest in winter (23%). Agar yield from G.
E, Marinho-Soriano, E, Bourret
openaire   +2 more sources

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