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Topic: Ciliate



  
 Ciliates
Groups of cilia are fused into sheet-like membranelles.
In many ciliates fused cilia can be seen.
Most animals, even humans, have cilia similar to those of ciliates.
http://www.microscopy-uk.org.uk/mag/wimsmall/cilidr.html   (752 words)

  
 Two-Step Freezing Procedure for Cryopreservation of Rumen Ciliates, an Effective Tool for Creation of a Frozen Rumen ...
This means that the conditions used to cryopreserve the ciliates
Rumen ciliates need specific environmental conditions to survive.
in a monofaunated state for a wide range of ciliate strains
http://aem.asm.org/cgi/content/full/69/7/3826   (4118 words)

  
 Annotated Web Links - Ciliated Protists
This teachers guide to a laboratory on ciliates is geared towards grades 7-12 and includes procedures for the mircoscope lab.
Read an article on the predator-prey relationship between the ciliate Didium nasutum and it's prey, Paramecium.
View a guide to coastal planktonic ciliates that deals with ciliate ecology and systematics.
http://ebiomedia.com/teach/ciliatesLinks.html   (544 words)

  
 Litostomatea - Wikipedia, the free encyclopedia
The Haptoria includes mostly carnivorous forms, for instance Didinium, which preys exclusively on the ciliate Paramecium.
The body cilia arise from monokinetids, which have an ultrastructural arrangement characteristic to the group.
These include the species Balantidium coli, which is the only ciliate parasitic in humans.
http://en.wikipedia.org/wiki/Litostomatea   (257 words)

  
 Dramatic Diversity of Ciliate Histone H4 Genes Revealed by Comparisons of Patterns of Substitutions and Paralog ...
within and between ciliate lineages challenges traditional views
In contrast, there is evidence to support the second hypothesis
If relaxed functional constraints explain most of the observed
http://mbe.oxfordjournals.org/cgi/content/full/21/3/555   (3839 words)

  
 Ciliate Life Cycle
The basic sexual process in ciliates is conjugation.
Ciliates - Life Cycle and Life History - Macronuclear Development
Each clone of ciliates can be thought of as an individual.
http://www.zoology.ubc.ca/courses/bio332/Lectures/Ciliates/ciliate_life_cycle.htm   (1580 words)

  
 Protozoa: Ciliates: An introduction with photomicrographs of holotrich ciliates.
The cilia are sometimes organized into more elaborate structures such as cirri (several cilia joined into a tuft or "leg") or membranelles (a row of fused cilia functioning as a single membrane).
Are those whose bodies are more or less uniformly covered with cilia.
The classification of the ciliates has always been difficult, and has undergone many changes, especially recently in the light of genetic research.
http://www.micrographia.com/specbiol/protis/cili/cili0100.htm   (1518 words)

  
 Antimicrobial Activity of Euplotin C, the Sesquiterpene Taxonomic Marker from the Marine Ciliate Euplotes crassus -- ...
Hydrolytic breakdown of the euplotins, highly strained, adaptive, hemiacetal esters of the marine ciliate Euplotes crassus: a mimic of degradative pathway in nature and a trick for the assignment of the absolute configuration.
Control of interspecific relationships in marine ciliate protists by most evolved natural products.
in ciliate protozoa: euplotin producers, such as E.
http://aac.asm.org/cgi/content/full/48/10/3828   (3449 words)

  
 The Ciliate Protozoans Gallery from BioMEDIA
We'll explore the diversity of ciliates, and look at the behaviors and biology of many of the classic ciliated protists, including Stentor, Vorticella, Paramecium, Bursaria, Blepharisma, and Euplotes.
In this gallery, we will explain how cilia work, and we'll demonstrate ciliate feeding and escape behaviors.
Many ciliates are larger than a great number of multicellular organisms, such as rotifers, that share their watery environments.
http://www.ebiomedia.com/gall/ciliates   (240 words)

  
 Conjugation
This process is conserved among the majority of ciliates; however, the duration of each stage and other details can vary among ciliate species.
is the sexual stage of the ciliate life cycle.
During this stage, two cells pair to exchange haploid gametic nuclei.
http://www.ciliate.org/conjugation.shtml   (415 words)

  
 cilaite_mainbay
Rather, it consists of discrete ciliate assemblages that exploit primary production through different pathways.
Ciliate maxima in the upper estuary in late May 1988 may be directly related to high Chl a concentrations resulting from the mixed flagellate bloom in that area.
With intensified stratification, reduced Chl a concentrations and development of anoxic conditions in early summer, ciliate populations become vertically heterogeneous and often exhibit mid-water maxima coincident with the oxycline-pycnocline.
http://www.serc.si.edu/labs/protistan_ecology/ciliate_mainbay.jsp   (722 words)

  
 Life History and Ecology of the Ciliata
This may not sound very sexy, but remember that the essence of sexual reproduction is forming a new organism from the combined genetic material of parents.
Some other ciliates cause diseases in fish and may present a problem for aquaculturists; others are parasites or commensals on various invertebrates.
Large ciliates are common in freshwater environments, in particular those that have been organically enriched (such as by sewage).
http://www.ucmp.berkeley.edu/protista/ciliata/ciliatalh.html   (416 words)

  
 Protist Gallery
The right micrograph shows this same organism in its typical habit, perched on a macroalga and feeding in the surface microlayer.
For more on the feeding behavior of this ciliate see Lawrence and Snyder (1998).
For more on the growth responses of this ciliate see Ohman and Snyder (1991).
http://www.uwf.edu/rsnyder/protists/protist.html   (534 words)

  
 Conversion of omnipotent translation termination factor eRF1 into ciliate-like UGA-only unipotent eRF1
The UAA and UAG responses for the Phe131Ala and Phe131Gly mutants point to the role of Phe131 in the recognition of A in the second position of the stop codon.
This apparent controversy may be resolved by assuming that in UGA-only ciliate eRF1s the influence of Phe131 on the second A recognition is hindered by some negative determinants (yet unidentified) surrounding in space these residues, similar to what is known for tRNA recognition by aminoacyl-tRNA synthetases (Giege et al., 1993).
In the N domains of eRF1s from universal-code and variant-code organisms, there are numerous amino acids differences (see Inagaki and Doolittle, 2001; Kervestin et al., 2001; Lozupone et al., 2001; Inagaki et al., 2002) that may serve as negative determinants.
http://www.nature.com/embor/journal/v3/n9/full/embor080.html   (3060 words)

  
 The Ciliate Genomics and Proteomics Workshop was scheduled as a regular evening session of the FASEB meeting (7:30-10 ...
Inducible promoters will play a very important role in experimental analysis in Tetrahymena.
This work will further the use of ciliates as environmental biosensors.
The presentations were divided into three groups: 1) useful biological and experimental features of selected organisms; 2) advances in Ciliate genomics and proteomics; 3) advances in the development of methods to fully exploit a genome sequence.
http://www.lifesci.ucsb.edu/~genome/Tetrahymena/SeqInitiative/Workshop99Report.htm   (1751 words)

  
 The Autocrine Mitogenic Loop of the Ciliate Euplotes raikovi: The Pheromone Membrane-bound Forms Are the Cell Binding ...
fostered a basically different view, suggesting that ciliate pheromones
Beale, G.H. Self and nonself recognition the ciliate protozoan Euplotes.
of ciliates into the extracellular environment, from where they
http://www.molbiolcell.org/cgi/content/full/11/4/1445   (7376 words)

  
 Ciliate background
Why are ciliates useful as model organisms for research?
Ciliates offer many advantages as a research organism.
Thus their subcellular architecture can be quite complex, making them ideal organisms for the study of subcellular structure and how such structures are formed.
http://www.wooster.edu/biology/Ciliates/citc/Background.html   (350 words)

  
 Ciliate - Wikipedia, the free encyclopedia
The presence of alveoli, the structure of the cilia, the form of mitosis and various other details indicate a close relationship between the ciliates, Apicomplexa, and dinoflagellates.
Ciliates tend to be large protozoa, a few reaching 2 mm in length, and are some of the most complex in structure.
Most ciliates also have one or more prominent contractile vacuoles, which collect water and expel it from the cell to maintain osmotic pressure, or in some function to maintain ionic balance.
http://en.wikipedia.org/wiki/Ciliate   (701 words)

  
 Cytoskeletal proteins with N-terminal signal peptides: plateins in the ciliate Euplotes define a new family of ...
The cortical cytoskeleton of euplotid ciliates is disposed in
the ciliate Pseudomicrothorax (and which also seems to typify
which are widely used supporting elements in ciliate cortexes
http://jcs.biologists.org/cgi/content/full/116/7/1291   (6373 words)

  
 IngentaConnect Stomatogenesis in the ciliate genus MacropodiniumDehority, 1996 (...
Comparison with other litostome ciliates shows that the formation of new vestibular kineties is most similar to that of the entodiniomorphs, formation of adoral kineties is most similar to that of the haptorians and formation of the somatic kineties to that of the vestibuliferans.
are endosymbiotic ciliates found only in the stomachs of macropodid marsupials.
The phylogenetic affinities of Macropodinium are thus difficult to infer from the ontogeny of organelle systems.
http://www.ingentaconnect.com/content/urban/301/2001/00000037/00000002/art00819   (293 words)

  
 Genetics
This microbial eukaryote has great value as an experimental model system due to the facility with which it can be handled, its structural and functional differentiations, its accessibility to genetic and molecular approaches, its large evolutionary distance from other commonly used eukaryotic genetic model systems, and its potential for biotechnological applications coupled with its biosafety.
Gall,JG (1986): Molecular Biology of the Ciliated Protozoa.
Nanney,DL (1980): Experimental Ciliatology: An introduction to genetic and developmental analysis in Ciliates.
http://www.lifesci.ucsb.edu/~genome/Tetrahymena/genetics.htm   (7567 words)

  
 Introduction to the Ciliata
Ciliates include some of the largest free-living protists; a few genera may reach two millimeters in length.
Because individual ciliate species vary greatly in their tolerance of pollution, the ciliates found in a body of water can be used to gauge the degree of pollution quickly.
They derive their name from the Latin word for "eyelash," which describes the appearance of many ciliates quite well: some or all of the surface of a ciliate is covered with relatively short, dense hairlike structures, the cilia, which beat to propel the ciliate through the water and/or to draw in food particles.
http://www.ucmp.berkeley.edu/protista/ciliata.html   (202 words)

  
 Folliculina - a marine ciliate
Then it was a matter of patience before the ciliate would come out of its house.
Although this gives less resolution it gives a better idea of the actual shape of the organism.
I could make a series of images that was, although not perfect, good enough to see several of the main features of the organism.
http://www.microscopy-uk.org.uk/mag/artjan03/fol.html   (536 words)

  
 BSCI 485 Syllabus and Class Notes
Mar 28 Intro to the Ciliophora, Ciliate Kinetids — structural conservatism, the karyorelictea
More information will be provided as the date for the exam approaches.
The final exam format will consist of multiple choice, matching, fill-in-the-blank, short essay, identification, etc. This exam will focus on ciliates and the second half of the course.
http://www.life.umd.edu/classroom/bsci485/syllabus.html   (395 words)

  
 Temporal changes in the ciliate assemblage and consecutive estimates of their grazing effect during the course of a ...
Temporal changes in ciliate assemblages during the course of
Temporal changes in the ciliate assemblage and consecutive estimates of their grazing effect during the course of a Heterocapsa circularisquama bloom -- Kamiyama and Matsuyama 27 (4): 303 -- Journal of Plankton Research
Temporal changes in the ciliate assemblage and consecutive estimates of their grazing effect during the course of a Heterocapsa circularisquama bloom
http://plankt.oxfordjournals.org/cgi/content/abstract/27/4/303   (269 words)

  
 Tetrahymena Biology
Ciliate cells mate by exchanging haploid nuclei during a process called conjugation.
More than just a review of the genetic phenomena peculiar to Tetrahymena, this extensive guide is a great introduction to the unique aspects of ciliate biology.
Like many ciliates, Tetrahymena utilizes an alternative genetic code.
http://www.ciliate.org/Biology.shtml   (171 words)

  
 Ciliate Part I Title Page
In Part 1 of the Ciliates Lab you will be looking at some of the more primitive ciliate groups.
The main objective is to get a good feel for the general organization of the cells and their major features.
http://www.zoology.ubc.ca/courses/bio332/Labs/CiliateProject/ciliate1/TitlePage.htm   (90 words)

  
 Ciliate class (Ciliatea) Chemical Toxicity Studies
Ciliate class (Ciliatea) Toxicity Studies - Toxicology studies from the primary scientific literature on aquatic organisms
Note: Only partial study information is reported on these pages.
http://www.pesticideinfo.org/List_AquireAll.jsp?Species=7659   (145 words)

  
 Article of the Month: 'The Sophisticated Ciliate"
Professor Niko Tinbergen, Oxford's first professor of animal behaviour - friend and mentor, taught my colleagues and I that every Herring Gull is different and recognisable by both his own kind and by students of behaviour.
The same goes for single celled animals, protozoa, like the ciliate Paramecium caudatum.
http://www.imagequest3d.com/pages/articles/articleofmonth/ciliate   (373 words)

  
 Selaginella Subg. Stachygynandrum in Flora of North America @ efloras.org
Rhizophores borne on underside or upperside, or in axils of branch forks, always present.
Margins of lateral leaves entire or basally ciliate; stems long-creeping, lateral branches 2--3-forked.
Median leaves ovate-deltate to deltate, apex acuminate; margins with wide transparent portion, ciliate at base and dentate or ciliate toward apex; base nearly cordate.
http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=302115   (626 words)

  
 Micrographia Article: A Ciliate and a Crustacean from Homebush Bay, Sydney.
The ciliate turns out to be Folliculina spp., and was identified in a recent (22/01/2003) email from Wim van Egmond, a Netherlands-based microscopist who responded constructively to Micrographia's request for help in naming these creatures.
The body ciliature follows lengthwise parallel kineties having a blue-green pigmentation as seen by transmitted light, similar to some species of the freshwater ciliate Stentor, a creature of similar size, but without a lorica.
No contractile vacuole was seen in any individual, but this is the case with marine ciliates in general.
http://www.micrographia.com/articlz/artmicgr/artmic/homebu01.htm   (591 words)

  
 In the polymorphic ciliate Tetrahymena vorax, the non-selective phagocytosis seen in microstomes changes to a highly ...
In the polymorphic ciliate Tetrahymena vorax, the non-selective phagocytosis seen in microstomes changes to a highly selective process in macrostomes -- Grønlien et al.
In the polymorphic ciliate Tetrahymena vorax, the non-selective phagocytosis seen in microstomes changes to a highly selective process in macrostomes
It has been suggested that some ciliates may select edible particles
http://jeb.biologists.org/cgi/content/full/205/14/2089   (4467 words)

  
 The Hutchinson Encyclopedia: ciliate@ HighBeam Research
Most ciliates are asymmetrical organisms whose shape is definite (unlike the...
This material is published under license from the publisher through ProQuest Information and Learning Company, Ann Arbor, Michigan.
http://www.highbeam.com/doc/1P1:100125617/ciliate.html?refid=ip_hf   (124 words)

  
 Response to Comment on "A Green Algal Apicoplast Ancestor" -- Funes et al. 301 (5629): 49 -- Science
no evidence for a common origin of ciliate COXII and apicomplexan
that separates the corresponding domains in ciliate mitochondrial
after the divergence of ciliates from apicomplexans and dinoflagellates
http://www.sciencemag.org/cgi/content/full/301/5629/49b   (989 words)

  
 Conspicuous Peak of Oligotrichous Ciliates Following Winter Stratification in a Bog Lake -- Macek et al. 23 (4): 353 -- ...
feeding activity of the dominant ciliate species upon picoplankton.
a conspicuous ciliate peak that could not be related to the
from the ice melting where these ciliates could be concentrated.
http://plankt.oxfordjournals.org/cgi/content/abstract/23/4/353   (273 words)

  
 Geranium carolinianum page
Stipules to 1cm long, subulate, 3mm broad at the base, ciliate at least on one margin, often pinkish.
Filaments compressed and expanded at the base, green to pinkish, ciliate.
Flowers - Petals 5, distinct, pale pink, slightly emarginate at the apex, glandular externally, glabrous internally, to 3-4mm long, 2mm broad.
http://www.missouriplants.com/Pinkalt/Geranium_carolinianum_page.html   (302 words)

  
 Sherr Lab Homepage
Leegaardiella sp., a ciliate common in the Oregon upwelling system.
Picophytoplankton, food for microzooplankton, in slope and shelf euphotic zone of Oregon upwelling system.
ciliates in the Oregon upwelling system, Lugol fixed, inverted microscopy
http://bioloc.coas.oregonstate.edu/SherrLab/Microplankton.html   (109 words)

  
 [No title]
Fascicles 6-15 per cm; fascicle axes 0.6-3.1 mm, with 1-6 spikelets; outer bristles 20-60, 0.8-12.3 mm; inner bristles 3-7, 5.5-16.5 mm, flattened, neither grooved nor fused, ciliate; primary bristles 12.9-22.5 mm, ciliate, noticeably longer than the other bristles.
Fascicles 11-37 per cm, disarticulating at maturity; fascicle axes 0.2-1.5 cm, with 1-12 spikelets; outer bristles 16-89, 0.3-11.7 mm, many exceeding the spikelets; inner bristles 7-20, 3.8-13.8 mm, fused to 1/4 of their length, flattened, grooved, ciliate; primary bristles 10.5-23 mm, long-ciliate, noticeably longer than the other bristles.
Fascicles 11-24 per cm, disarticulating at maturity; fascicle axes 0.2-1.1 mm, with 1-12 spikelets; outer bristles 10-62, 0.1-1.8 mm, not exceeding the spikelets; inner bristles 6-32, 1.2-5 mm, ciliate, fused for 1/3-1/2 their length; flattened, grooved; primary bristles 2.9-6.5 mm, ciliate, not noticeably longer than the other bristles.
http://herbarium.usu.edu/treatments/Pennisetum.htm   (3957 words)

  
 Findings of Water Samples from a Lake at South Boulder Campus, Boulder Colorado!
At first I thought it was a fragment of a Spirostonum as I have observed similar objects when Spirostonum are dividing!
A Ciliate like Urosoma cienkowskii with two caudals, Copepod and Translucent Egg-Shaped Ciliate with inclusions!!!
Looks like Nassula, a Large Translucent Egg-Shaped Ciliate with obvious ingested algae, a small Spirostonum and a what looks like an Insect Larva plus various small ciliates!!
http://wolfbat359.com/sbcl.html   (332 words)

  
 Ciliate Links
Encarta: Run by Microsoft this site offers a simple introduction to ciliates with links to other sites.
Protist Database: Another site containing a large selection of protista images (Tsukuba Univ., Japan)
Glossary: Glossary run by Dr. Nancy Bowers at Portland State University.
http://www.wooster.edu/biology/Ciliates/citc/CiliateLinks.html   (286 words)

  
 Ciliate Image Database
This project was underwritten by Plattsburgh State University's Teaching and Technology Grants.
Ciliate Image Database © 2000 - 2003, José de Ondarza.
http://research.plattsburgh.edu/ciliates/Tableview.asp   (22 words)

  
 genome.gov Ciliate Genome Sequencing
The National Human Genome Research Institute (NHGRI) currently supports a project aimed at producing a draft assembly of the macronuclear genomic sequence of the ciliate Tetrahymena thermophila.
The genome will be sequenced to 6- to 8-fold sequence depth.
http://www.genome.gov/12512294   (82 words)

  
 Selaginella lepidophylla in Flora of North America @ efloras.org
Median leaves broadly ovate, 1.5--1.7 X 1.4--1.5 mm; base nearly cordate to truncate, pubescent; margins transparent, ciliate toward base, dentate to ciliate toward apex; apex abruptly acuminate (short-cuspidate) to obtuse.
Lateral leaves yellow to reddish on abaxial surface, green on adaxial surface, overlapping, ascending, deltate to deltate-ovate, 2--2.2 X (1--)1.7--1.8 mm; base nearly cordate, pubescent; margins transparent, ciliate toward base, dentate to ciliate toward apex; apex rounded.
Rhizophores borne on upperside of stems, restricted to basal part of rosette, 0.3--0.5 mm diam.
http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=200002796   (215 words)

  
 Fermentation characteristics and ruminal ciliate protozoal populations in cattle fed medium- or high-concentrate ...
genera of ciliate protozoa were determined in ruminal fluid samples
Fermentation characteristics and ruminal ciliate protozoal populations in cattle fed medium- or high-concentrate barley-based diets -- Hristov et al.
Fermentation characteristics and ruminal ciliate protozoal populations in cattle fed medium- or high-concentrate barley-based diets
http://jas.fass.org/cgi/content/abstract/79/2/515   (700 words)

  
 Ciliate Evolution and Systematics
stichodyad organiztion vs. “paves” membranelles, peniculi quadrulus, membranoids types1-6) in most ciliates
http://www.life.umd.edu/classroom/bsci485/Ciliate.html   (132 words)

  
 Arrowhead's Perennials and Rock Plants: Ba-Ce
A rare and beautiful plant related to C. collina, this form has 3-6 pale grayish blue bells, heavily ciliate on the interior, displayed on 10-20cm scapes.
http://www.arrowheadalpines.com/ba-ce.htm   (4012 words)

  
 SSU Eukaryotic rRNA Taxonomic List -- 3.13-3.13.3.4.2
[1259] Anpr.haemo Anophyroides haemophila (scuticociliatidan ciliate; lobster parasite)
[1261] Ohon.henne Opisthonecta henneguyi (ATCC 30600) (peritrichan ciliate)
[1253] Colp.infla Colpoda inflata (ATCC 30917) (colpodean, hymenostome ciliate)
http://geta.life.uiuc.edu/RDP/data/SubEuk/Euk_tax.3M.html   (113 words)

  
 PLANTS Profile for Phaeophyscia ciliata (ciliate wreath lichen) USDA PLANTS
Click on a scientific name below to expand it in the PLANTS Classification Report.
Phaeophyscia ciliata (Hoffm.) Moberg – ciliate wreath lichen
PLANTS Profile for Phaeophyscia ciliata (ciliate wreath lichen)
http://plants.usda.gov/java/profile?symbol=PHCI60   (55 words)

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