Results 161 to 170 of about 2,203 (213)

Heterokonts (Xanthophyceae and Chrysophyceae) in Rivers

, 2016
The heterokont classes Xanthophyceae and Chrysophyceae are introduced with its key characteristics and typical benthic river genera. Two relatively widespread genera are the xanthophyte siphonous Vaucheria and the filamentous Tribonema. The heterokont classs (Chrysophyceae) genus Hydrurus is also listed, which consists of a branched colony and can be ...
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MOLECULAR SYSTEMATICS OF THE XANTHOPHYCEAE

Journal of Phycology, 2000
Species belonging to the Xanthophyceae have traditionally been classified in six (or seven) orders corresponding to amoeboid, coccoid, filamentous, monadoid, palmelloid and siphonous lines of descent. We have determined plastid rbcL and nuclear 18S rRNA gene sequences for selected coccoid, filamentous and siphonous species.
J.C. Bailey, A. L. McElhinney, R.A. Andersen   +2 more
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Xanthophyceae

2016
The Xanthophyceae is a clade of stramenopilan photoautotrophs containing about 118 genera and 600 species. Morphology ranges from free-living or attached unicells to colonies and unbranched or branched filaments and siphons. A large majority are found in freshwater and soil, while some occur in brackish and marine habitats.
MAISTRO, SILVIA, Broady, Paul, ANDREOLI, CARLO, NEGRISOLO, ENRICO MASSIMILIANO   +3 more
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Xanthophyceae, Euglenophyceae and Dinophyceae

2015
Xanthophyceae, Euglenophyceae and Dinophyceae are among those important algal groups which are less diverse than other major groups of algae. Members of Xanthophyceae and Euglenophyceae do not contaminate water, whereas Dinoflagellates causes various types of poisoning. Many important algal members have been included and excluded in these groups due to
Dinabandhu Sahoo, Savindra Kumar
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Feinbau und Carotinoide von Tribonema (Xanthophyceae)

Archiv f�r Mikrobiologie, 1968
Zell-Feinbau und Carotinoidausstattung wurde bei drei Arten der Xanthophyceengattung Tribonema untersucht: Tr. viride (Freilandmaterial), Tr. aequale und Tr. minus (Kulturmaterial). Wahrend die beiden letzteren nur einen Kern je Zelle enthielten, traten bei Tr. viride bis zu sechs Kerne je Zelle auf.
H. Falk, H. Kleinig
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The flagellar apparatus in Tribonema (Xanthophyceae) reinvestigated

Phycologia, 2003
Abstract In order to fill gaps in the knowledge of the zoospore ultrastructure of the genus Tribonema (Xanthophyceae, Heterokontophyta), the absolute three-dimensional structure of its flagellar apparatus has been reconstructed using transmission and scanning electron microscopy.
Gijsbert M. Lokhorst, Wim Star
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New records of Vaucheria (Ochrophyta, Xanthophyceae) in Russia

Novosti sistematiki nizshikh rastenii, 2020
This paper presents new data on the species of genus Vaucheria in Russia from analysis of original and museum collections. In total, 20 species were identified in 152 locations of 22 administrative regions of the European Russia, Western Siberia, and the Russian Far East.
V. S. Vishnyakov, R. E. Romanov, E. V. Chemeris, L. M. Kipriyanova, A. M. Chernova, A. S. Komarova, D. A. Philippov   +6 more
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Phytochelatin synthesis in response to cadmium uptake inVaucheria(Xanthophyceae) [PDF]

European Journal of Phycology, 1998
Production of phytochelatins (PCs) in response to cadmium uptake in the benthic macroalgae Vaucheria compacta and V. debaryana (Xanthophyceae) was investigated. The algae synthesized thiol-containing peptides, identified by means of high-performance liquid chromatography as ...
Skowronski, T., de Knecht, J.A., Simons, J., Verkley, J.A.C.   +3 more
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Chlorophyta, Xanthophyceae and Cyanobacteria in Wright Valley, Antarctica

Antarctic Science, 2015
AbstractWright Valley, Victoria Land contains numerous aquatic habitats suitable for the growth of algae in summer. Excepting diatoms and lichen phycobionts, algal diversity and distribution in the valley was documented. Using cultures and environmental cloning eight cyanobacterial and 14 eukaryotic species were revealed. The cyanobacterium Microcoleus
Phil M. Novis, Jackie Aislabie, Susan Turner, Malcolm McLeod   +3 more
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Autecology and morphology of selected Vaucheria species (Xanthophyceae)

Aquatic Ecology, 2008
In this study, the yellow-green alga Vaucheria was collected from 86 sites with different environmental characteristics. A principal component analysis of the sites revealed a model with four principal components explaining 64.7% of the total variance in the data set.
Michael Schagerl, Maria Kerschbaumer
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