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Topic: Chlorophyceae


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In the News (Thu 31 May 12)

  
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CCMP131 Prymnesiophyceae *Gyrodinium *uncatenum CCMP1310 Dinophyceae *Amphidinium *carterae CCMP1314 Dinophyceae *Chaetoceros *calcitrans CCMP1315 Coscinodiscophyceae *Chaetoceros *muelleri CCMP1316 Coscinodiscophyceae *Chaetoceros *neogracile CCMP1317 Coscinodiscophyceae *Chaetoceros *neogracile CCMP1318 Coscinodiscophyceae *Rhodomonas *salina CCMP1319 Cryptophyceae *Arcocellulus *mammifer CCMP132 Coscinodiscophyceae *Dunaliella *tertiolecta CCMP1320 Chlorophyceae *Gymnodinium *sanguineum CCMP1321 Dinophyceae *Heterocapsa *pygmaea CCMP1322 Dinophyceae *Isochrysis *galbana CCMP1323 Prymnesiophyceae *Isochrysis sp.
CCMP258 Chlorophyceae *Chlorosarcinopsis *halophilia CCMP259 Chlorophyceae *Chromophyton *rosanoffii CCMP260 Chrysophyceae *Chromulina *chionophila CCMP261 Chrysophyceae *Chromulina *nebulosa CCMP262 Chrysophyceae *Chromulina *nebulosa CCMP263 Chrysophyceae *Chromulina *nebulosa CCMP264 Chrysophyceae *Chromulina *nebulosa CCMP265 Chrysophyceae *Chromulina *nebulosa CCMP266 Chrysophyceae *Chroomonas *pauciplastida CCMP268 Cryptophyceae *Chroomonas *mesostigmatica CCMP269 Cryptophyceae *Chroomonas sp.
CCMP822 Chlorophyceae *Stichogloea *doederleinii CCMP823 Chrysophyceae *Helicotheca *thamesis CCMP824 Coscinodiscophyceae *Helicotheca *thamesis CCMP825 Coscinodiscophyceae *Helicotheca *thamesis CCMP826 Coscinodiscophyceae *Symbiodinium *microadriaticum CCMP827 Dinophyceae *Symbiodinium *microadriaticum CCMP828 Dinophyceae *Symbiodinium *microadriaticum CCMP829 Dinophyceae *Symbiodinium *microadriaticum CCMP830 Dinophyceae *Symbiodinium sp.
ccmp.bigelow.org /data/names.txt   (2195 words)

  
 ALGAE - LoveToKnow Article on ALGAE   (Site not responding. Last check: 2007-10-09)
Before leaving the Chlorophyceae, it should be mentioned that the genus Volvox has been included by some zoologists (Biitschli, for example) among Flagellata; on the other hand, certain green Flagellata, such as Euglena, are included by some botanists (for example, van Tieghem) among unicellular plants.
Among Chlorophyceae it is often the case that the oospore on germination divides up directly to form a brood of zoospores.
In the case of the freshwater algae, however, belonging to Habitat the Chlorophyceae and Cyanophyceae, although they required to be immersed during the vegetative period, the reproductive cells are often capable of resisting a considerable degree of desiccation, and in this condition are dispersed through great distances by various agencies.
www.1911encyclopedia.org /A/AL/ALGAE.htm   (14159 words)

  
 Chlorophyceae - Wikipedia, the free encyclopedia
The Chlorophyceae are one of the classes of green algae, distinguished mainly on the basis of ultrastructural morphology.
For example the chlorophycean CW clade, and chlorophycean DO clade, are defined by the arrangement of their flagella.
In older classifications, the term Chlorophyceae is sometimes used to apply to all the green algae except the Charales, and the internal division is considerably different.
en.wikipedia.org /wiki/Chlorophyceae   (121 words)

  
 ALGAE   (Site not responding. Last check: 2007-10-09)
Before leaving the Chlorophyceae, it should be mentioned that the genus Volvox has been included by some zoologists (Butschli, for example) among Flagellata; on the other hand, certain green Flagellata, such as Euglena, are included by some botanists (for example, van Tieghem) among unicellular plants.
Again, while Conjugatae may be shut out from Chlorophyceae as an independent group co-ordinate with them in rank, the Characeae constitute so aberrant a group that it has even been proposed to raise them as Charophyta to the dignity of a main division co-ordinate with Thallophyta.
In the case of the freshwater algae, however, belonging to the Chlorophyceae and Cyanophyceae, although they required to be immersed during the vegetative period, the reproductive cells are often capable of resisting a considerable degree of desiccation, and in this condition are dispersed through great distances by various agencies.
simplestartpage.com /2301_ALGAE.HTML   (15307 words)

  
 Introduction to the Chlorophyceae
The Chlorophyceae are a large and important group of freshwater green algae.
The Chlorophyceae includes three major groups distinguished primarily by basic differences in the arrangement of their flagellae:
Chlorophycean Diversity : Above are shown representatives of the three major groups of Chlorophyceae.
www.ucmp.berkeley.edu /greenalgae/chlorophyceae.html   (727 words)

  
 The Green Tree of Life - NSF Proposal 4
We will test the idea that red and glaucocystophyte algae represent the proximal outgroups for green plants by incorporating published data from selected representatives of these outgroups into our analyses, and by interacting with colleagues who will be conducting research on potential outgroups from among both algae and protozoa (collaboration with Lang).
The Ulvophyceae is one of the 3 classes currently recognized in the chlorophyte lineage, the others being Chlorophyceae and Trebouxiophyceae (formerly Pleurastrophyceae; [58]).
Conversely, the Chlorophyceae and Trebouxiophyceae, and the streptophytes, consist almost entirely of non-marine organisms.
ucjeps.berkeley.edu /TreeofLife/proposal4.php   (1249 words)

  
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Consequently, it is difficult to unequivocally map the pattern of evolution of flagellar orientation within the Chlorophyceae to a consensus topology of molecular phylogenetic analyses.
Regardless of the approach taken, a better understanding of the phylogenetic position of the Oedogoniales within the Chlorophyceae is necessary if questions about character evolution are to be answered.
Ultrastructure of male gametes of Sphaeroplea robusta (Chlorophyceae).
www.bio.utulsa.edu /deepestgreen/Chlorophyceae.htm   (8784 words)

  
 Reference Literature D-H   (Site not responding. Last check: 2007-10-09)
Archibald, P.A. The genus Neochloris Starr (Chlorophyceae, Chlorococcales).
Buchheim, M., Lemieux, C., Otis, C., Gutell, R., Hapman, R. and Turmel, R.(1996) Phylogeny of the Chlamydomonadales (Chlorophyceae): A Comparison of Ribosomal RNA Gene Sequences from the Nucleus and the Chloroplast.
Cheng, J.Y., Don-Paul, M. and Antia, N.J. Isolation of an unusually stable cis-isomer of alloxanthin from a bleached autolysed culture of Chroomonas salina grown photoheterotrophically on glycerol.
www.zo.utexas.edu /research/utex/reference/lit-1.html   (1232 words)

  
 Biological Science at the University of Tulsa
As a consequence of my diverse green algal interests, I remain interested in reconstructing the phylogeny of the "big picture" for the Chlorophyceae, in particular, and the Chlorophyta, in general.
Buchheim, M. A., Lemieux, C., Otis, C., Gutell, R.R., Chapman, R. and Turmel, M. Phylogeny of the Chlamydomonadales (Chlorophyceae): A comparison of ribosomal RNA gene sequences from the nucleus and the Chloroplast.
Jenny Michalopulos (B.S. 1998): Phylogeny of the Chlorophyceae
www.bio.utulsa.edu /Buchheim.htm   (560 words)

  
 MICROALGE
Kingdom: Plantae; Division Chlorophyta; Class Chlorophyceae; OrderChlorococcales; Family Desmidiaceae.
Colony usually of four cells, the two inner cells are oval to box-shaped, whereas the two outer cells have spines and may be crescent-shaped.
Two equal lengthed flagella attached at the rounded end of the cell, in the area of the gullet.
www.msnucleus.org /watersheds/biological/microalgaegen.html   (523 words)

  
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Because these two lineages are monophyletic, they have been placed in a single monophyletic group called green plants, or, in technical parlance, the subkingdom Chlorobionta (Bremer, 1985).
The groups of the primary "green algal" lineage included here (Prasinophytes, Chlorophyceae, Trebouxiophyceae, and Ulvophyceae) represent a synthesis of the most recent classifications based primarily on ultrastructure of motile cells (when present) and analysis of molecular data (small subunit rDNA) Melkonian and Surek, 1995; Friedl, 1995).
The name for the sister taxon to the Chlorophyceae used here (class Trebouxiophyceae) is has also been referred to as the order Microthmaniales (Melkonian and Surek, 1995); recent studies of small-subunit rDNA sequences led Friedl (1995) to raise the group to class level.
ag.arizona.edu /tree/eukaryotes/green_plants/Green_Plants.nex   (816 words)

  
 Publikationen   (Site not responding. Last check: 2007-10-09)
Fluctuating light (30 min for a cycle) resulted in a decrease in specific growth rates as compared with constant irradiance at the same photoperiod length.
This decrease amounts to 15-20% for diatoms, 20-25% for Chlorophyceae and 35-40% for cyanobacteria, respectively.
Regarding the in vivo absorption spectra, fluctuating light or a shorter photoperiod has little or no effect on the Chlorophyceae and diatoms studied, whereas cyanobacteria show an increase in light absorption by chlorophyll a and phycobilins.
www.biologie.hu-berlin.de /~oekophys/publik/abstracts/110.htm   (130 words)

  
 ..::treeBASE::..   (Site not responding. Last check: 2007-10-09)
Coccal green algae of the Selenastraceae were investigated by means of LM, TEM and 18S rRNA analyses in order to evaluate the generic concept in this family.
Phylogenetic trees inferred from the 18S rRNA gene sequences showed that the studied species of autosporic Selenastraceae formed a well resolved monophyletic clade within the DO-group of Chlorophyceae.
Several morphological characteristics that are traditionally used as generic features were investigated, especially the arrangement of autospores in the mother cells, colony formation and pyrenoid structure.
www.phylo.org /treebase/view/view_study.php?studyID=S664   (311 words)

  
 Phycologia: Phylogenetic placement of Chlorotetraedron incus, C. polymorphum and Polyedriopsis spinulosa ...   (Site not responding. Last check: 2007-10-09)
We investigated unialgal strains of the type species of the genera Chlorotetraedron and Polyedriopsis, C. polymorphum and P. spinulosa, and also of C. incus, by means of 18S rRNA analyses.
According to the phylogenetic analyses, C. incus, C. polymorphum and P. spinulosa are closely related and belong to the Chlorophyceae, family Neochloridaceae: this contrasts with the previous classification of Polyedriopsis in the Golenkiniaceae.
Our wider analysis indicates that, of the Chlorophyceae that have been analysed, the Scenedesmaceae appear to be the most closely related group to the Hydrodictyaceae and Neochloridaceae (Fig.
www.findarticles.com /p/articles/mi_qa3850/is_200109/ai_n8978017   (1283 words)

  
 CAS Diatoms Database   (Site not responding. Last check: 2007-10-09)
1836 (Chlorophyceae - Scenedesmaceae" and "Arthrodesmus Ehrenberg ex Ralfs, Brit.
1848 (Chlorophyceae - Desmidiaceae)." Entry in SVL reads: "Arthrodesmus Ehrenberg 1840 (a desmid genus, but with a species of diatom)".
No page is given by SVL, a single species, Arthrodesmus striatulus Ehrenberg 1840 is cited by SVL who also indicates the synonymy of this species with Fragilaria striatula Lyngbye 1819.
www.calacademy.org /research/diatoms/hanna_db/DtmBrwsRecs.asp?Obj=vGenRef&Atr=GenusID&Val=619   (69 words)

  
 PhycoTech - Keys and Taxonomic References
Chlorophyceae: Ulotrichales, Microsporales, Cylindrocapsales, Sphaeropleales, Chaetophorales, Cladophorales, Schizogoniales, Siphonales and Oedogoniales.
Chlorophyceae: Zynematales: Zygnemataceae, Mesotaeniaceae and Desmidiaceae (Section 1).
Hindák, F. Studies on the Chlorococcal Algae (Chlorophyceae).
www.phycotech.com /reference.html   (1390 words)

  
 Linda A Cooney - 0061067180 - Tim M. Berra   (Site not responding. Last check: 2007-10-09)
Freshwater Algae of the Southeastern United States Part 5 Section 3 Chlorophyceae Zygnematales Desmidiaceae Bibliotheca Thycologica Volume 90.
Freshwater Algae of the Southeastern USA Part 6 - Chlorophyceae Zygnematales Desmidiaceae Bibl Phycologica Vol 93.
Freshwater Algae of the Southeastern United States Chlorophyceae Zygnematales Zygnemataceae Mesotaeniaceae Desmidiaceae Section 1 bibliote.
www.howtowrite.net /158126freshman_scandal_freshman_dorm_no_22.html   (137 words)

  
 AllRefer.com - Chlorophyta : Class Chlorophyceae (Moneran And Protistan) - Encyclopedia
AllRefer.com - Chlorophyta : Class Chlorophyceae (Moneran And Protistan) - Encyclopedia
The class includes unicellular organisms such as those in the genus Chlamydomonas with their two apical flagella and nonmotile organisms such as Chlorella, which is being cultivated for use as a dietary supplement.
The most complex of the class are the filamentous members, some of which exhibit features that are seen primarily in plants.
reference.allrefer.com /encyclopedia/C/Chloroph-1-class-chlorophyceae.html   (318 words)

  
 Great Lakes Water Life Photo Gallery - Green Algae
Found on dead fish and animal wastes along shores and in beach soils.
Profile: Unicellular, found in association with blue-greens, sometimes within the mucilage of colonies.
Profile: aka water net, macroscopic, cells to 1cm length, 200um width arranged to form a mesh.
www.glerl.noaa.gov /seagrant/GLWL/Algae/Chlorophyta/Chlorophyta.html   (808 words)

  
 Multicellular brown and red algae, kelps, seaweeds; Euglenoids   (Site not responding. Last check: 2007-10-09)
In Chlorophyceae, the spindle fibers are oriented perpendicular to this (a phycoplast).
In Chlorophyceae, Fritschiella, a filamentous amphibious green alga (p392) has many suitable traits.
but we all agree Chlorophyceae can't be the origin - remember the phycoplast.
morgan.botany.uga.edu /btny1220/syllabus/lec/algae3.htm   (876 words)

  
 Natura Croatica
The aim of the paper is to present summarized literature data to provide the first systematic inventory of Croatian freshwater Chlorophyceae taxa.
The list is a result of the author's investigation and of detailed analyses of more than one hundred papers, published in the period from 1900 to 1996.
The list of freshwater Chlorophyceae consists of 97 genera with 412 species.
mahpm.hpm.hr /Vol6_1.htm   (716 words)

  
 [No title]   (Site not responding. Last check: 2007-10-09)
Kelp David Muirhead 3014 Chlorophyta Chlorophyceae Codialea Codium fragile?
Red algae Onkaparinga Estuary David Muirhead 3043 Chlorophyta Chlorophyceae Codialea Codium Sp.
Paddleweed Seacliff Reef David Muirhead 3048 Chlorophyta Chlorophyceae Caulerpales Caulerpa trifaria Caulerpa Seacliff Reef David Muirhead 3049 Magnoliophyta Magnoliophyceae?
www.mlssa.asn.au /photos/algae.txt   (248 words)

  
 Phycologia: Grazer-induced defenses in scenedesmus (Chlorococcales; Chlorophyceae): coenobium and spine formation   (Site not responding. Last check: 2007-10-09)
Save a personal copy of this article and quickly find it again with Furl.net.
LURLNG AND W. Grazer-induced defenses in Scenedesmus (Chlorococcales; Chlorophyceae): coenobium and spine formation.
Three strains of the nonspiny Scenedesmus acutus Meyen, one strain of the nonspiny S. falcatus Chodat, and three strains of the spined Scenedesmus quadricauda (Turpin) Br6bisson were cultured in standard medium and in medium containing filtered water from a culture of the grazer Daphnia.
www.findarticles.com /p/articles/mi_qa3850/is_199909/ai_n8861491   (1415 words)

  
 Guampedia - Guam's Online Encyclopedia
The seaweed is considered an unsightly and odoriferous nuisance at Tumon Bay and east Agana Bay where growth along the shoreline is lush.
Enteromorpha clathrata is classified within the Family Ulvaceae, Order Ulvales, Class Chlorophyceae and Division Chlorophyta.
However, it is really a branched multi-cellular hollow cylinder which is only one-cell thick.
www.guampedia.com /demo/Sample%20Entry_files/enteromorpha/enteromorpha.htm   (372 words)

  
 Photoacclimation of Scenedesmus protuberans (Chlorophyceae) to fluctuating irradiances simulating vertical mixing -- ...
Photoacclimation of Scenedesmus protuberans (Chlorophyceae) to fluctuating irradiances simulating vertical mixing -- Flameling and Kromkamp 19 (8): 1011 -- Journal of Plankton Research
Photoacclimation of Scenedesmus protuberans (Chlorophyceae) to fluctuating irradiances simulating vertical mixing
Netherlands Institute of Ecology, Centre for Estuarine and Coastal Ecology, Korringaweg 7, NL-4401 NT Yerseke, The Netherlands; Corresponding author
plankt.oxfordjournals.org /cgi/content/abstract/19/8/1011   (268 words)

  
 Kargupta, Amarenda N.;Sarma, Pranjit: The Genus Spirogyra (Chlorophyceae: Zygnemataceae) in West Bengal, India. ...   (Site not responding. Last check: 2007-10-09)
Kargupta, Amarenda N.;Sarma, Pranjit: The Genus Spirogyra (Chlorophyceae: Zygnemataceae) in West Bengal, India.
The Genus Spirogyra (Chlorophyceae: Zygnemataceae) in West Bengal, India
A key to all these taxa is framed and their distribution in India and abroad is discussed.
www.schweizerbart.de /pubs/books/bibliot-060009100-desc.html   (116 words)

  
 The Complete Mitochondrial DNA Sequence of the Green Alga Pseudendoclonium akinetum (Ulvophyceae) Highlights ...
The Complete Mitochondrial DNA Sequence of the Green Alga Pseudendoclonium akinetum (Ulvophyceae) Highlights Distinctive Evolutionary Trends in the Chlorophyta and Suggests a Sister-Group Relationship Between the Ulvophyceae and Chlorophyceae -- Pombert et al.
The Complete Mitochondrial DNA Sequence of the Green Alga Pseudendoclonium akinetum (Ulvophyceae) Highlights Distinctive Evolutionary Trends in the Chlorophyta and Suggests a Sister-Group Relationship Between the Ulvophyceae and Chlorophyceae
relative to the Chlorophyceae and Trebouxiophyceae may be the
mbe.oxfordjournals.org /cgi/content/full/21/5/922   (5854 words)

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