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Topic: Blepharisma

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In the News (Tue 23 Jul 19)

Blepharismas are protists that are commonly viewed under microscopes in science classes.
Blepharisma is a microphagus filter feeder and a ciliate, it is classified in the phylum Ciliophora.
Blepharismas generally eat bacteria from decomposing vegetation, which is drawn into the buccal cavity and then passes to the food vacuoles at the posterior end of the cell.
www.microscopy-uk.org.uk /mag/artnov04macro/jhblepharisma.html   (936 words)

 [No title]
As a primary compact macronucleus is already present, there is no condensation phase prior to the division and the macronucleus just elongates until it is divided between the two daughter cells, thus the binary fission process is analogue to that of most other ciliate species.
The vegetative macronucleus (MA) is the present strain of Blepharisma consists of 4-9, generally 7, spherical nodes arranged as a bent string of beads with diameters from about 5 to 10 um.
In Blepharisma's with a multinodal macronucleus a condensation of the latter takes place to form a spherical macronucleus, which reelongates before the cell splits to two daughter cells.
www.nies.go.jp /chiiki1/protoz/morpho/blephari.htm   (3378 words)

Blepharisma is a heterotrich ciliate and a microphagus filter feeder.
But once the buccal cavity and all its associated structures are understood the organism as a whole is easier to view.
Using what you know about the location of the buccal cavity and its related structures try to determine which view of the cell you are looking at.
www.zoology.ubc.ca /courses/bio332/Labs/CiliateProject/blepharisma/bleph1web.html   (295 words)

 Blepharisma - Wikipedia, the free encyclopedia
Blepharisma is a genus of heterotrich ciliates (a type of protista) which contains many species.
Its members are elongated and roughly egg-shaped, with a contractile vacuole without collecting channels.
Blepharisma reproduce by going through the 4 phases of Binary fission Blepharisma are covered in tiny hairlike parts called cilia.
en.wikipedia.org /wiki/Blepharisma   (135 words)

 BioMedia organism identification contest
Blepharisma is a ciliate protozoan that looks something like Paramecium (the genus of common ciliates named in many submissions to our contest).
Blepharisma is covered with short cilia, except in the oral groove, where there are both longer membranelles (cilia bundles) and an undulating membrane running along a portion of the groove.
If cultures of Blepharisma are left in the light for extended periods, the pink pigments fade away, whereas, the color of Blepharisma left in the dark is intensified.
ebiomedia.com /feat/05nov.html   (225 words)

 BioMed Central | Full text | A rapid and simple method of detection of Blepharisma japonicumusing PCR and ...
Blepharisma japonicum is easily identified by a bright purple photopigment and is therefore a useful organism for developing and evaluating a molecular detection system.
PCR amplification of DNA extracted from Blepharisma japonicum using primers BLEPTUBF and BLEPTUBR produced a band which co-migrated with the 400 bp marker and was therefore consistent with the predicted fragment size of 399 base pairs (Figure 1).
To investigate the sensitivity of this process for the detection of Blepharisma, we carried out serial dilutions of DNA extracted from a known number of Blepharisma which were micromanipulated into an extraction tube and counted manually prior to extraction.
www.biomedcentral.com /1472-6785/3/7   (2854 words)

 My Home Page
Johnson, T.C., Bond, J. and Repak, A.J. The immobilization and toxicity effects of various inorganic chemicals in the freshwater ciliated protozoa Paramecium caudatum, Blepharisma stoltei and Spirostomum ambiguum and the marine ciliate Fabrea salina.
Repak, A.J. and Isquith, I.R. The significance of polymorphism among strains of Blepharisma.
Repak, A.J. and Hirshfield, H.I. The buccal apparatus of Blepharisma.
home.att.net /~ajrepak/publications.html   (2075 words)

Click here to download a video (quicktime) of Blepharisma live and undergoing exposure to various frequencies.
Blepharisma are very difficult to photograph because they swim very fast across the slide.
These photos of Blepharisma are the result of me chasing them on the slide for quite a long time (no Protoslo used).
www.skidmore.edu /academics/music/aholland/Microphotos2.htm   (583 words)

 Main menu
A difference in the development and healing of the wound was observed between Paramecium and Blepharisma cells.
A more immediate reaction was recorded in Blepharisma cells containing blepharismin, a red pigment, known to absorb light energy.
Influences of laser pulses on selected cytoplasmic structures were studied together with the reparation of damaged cytoskeleton using imunofluorescent methods.
www.isibrno.cz /omitec/index.php?damage.html   (406 words)

 Protist Images : Blepharisma undulans
Species: 70-250 μm long; peristome 1/3 or at times half of the body; 12-15 somatic ciliary rows on one side of the body; macronucleus binodal, two nodes are connected by a thin strand; micronuclei 1-12 are located near the macronuclear membrane; cysts ovoid and dark brown in color; (Giese, 1973).
Blepharisma undulans, cell body 168 μm long, 37 μm wide, x 400, x 640, Japan, November 1998, by Y. Tsukii
Blepharisma undulans, cysts, x 400, x 640, December 1998 by Y. Tsukii
protist.i.hosei.ac.jp /PDB/Images/Ciliophora/Blepharisma/undulans.html   (134 words)

 [No title]   (Site not responding. Last check: 2007-11-06)
Sustained treatment of Blepharisma cells with mastoparan also suppressed the photoresposiveness, as in the case of cell adaptation to light during prolonged illumination.
Moreover, using antibodies raised against bovine transducin, a cross-reacting protein with an apparent molecular mass of about 55 kDa in the Blepharisma cortex fraction was detected on immunoblots.
However, further experiments are necessary to clarify the possible coupling between the G-protein and the putative phospholipase C.
www.kumc.edu /POL/JPPBHome/7943.html   (359 words)

The Blepharisma is a rather large, common protozoan and belongs to the Phyllum Ciliophora.
Blepharisma eat smaller ciliates and euglena and have been noted to be cannibals.
To observe them closely, add bits of cotton fiber to your sample to trap and localize a specimen.
www.microscope-microscope.org /applications/pond-critters/protozoans/ciliphora/blepharisma.htm   (85 words)

 SOME PROPERTIES OF A PHOTODYNAMIC PIGMENT FROM BLEPHARISMA -- Giese 37 (2): 259 -- The Journal of General Physiology
blepharismas are not sensitized to their own pigment even after
Blepharisma is also less sensitive than any of the protozoans
is not extracted from wet blepharismas by non-polar solvents,
www.jgp.org /cgi/content/abstract/37/2/259   (298 words)

 [No title]   (Site not responding. Last check: 2007-11-06)
This image shows the more normal, elongated body of the Blepharisma.
Also visible is the dark undulatory membrane on the upper right - this is the feature that produces the waves that allow locomotion, much in the same manner as the Paramecium.
In fact, under intense bright artificial light, the pink pigment will emit a poisonous toxin that causes the Blepharisma to completely disintegrate.
www.silkentent.com /gus1911/Blepharisma.htm   (64 words)

 FEBS Abstract
Sobierajska K., Fabczak H., Groszy[nacute]ska B., Fabczak S. Blepharisma japonicum is a protozoan ciliate, which possesses a photoreceptor system that renders the cell capable of avoiding light (photophobic response).
This photoreceptor system is coupled to photomotility changes via a G-protein-mediated sensory transduction pathway.
The findings presented in this study suggest that the identified phosphoprotein in photosensitive Blepharisma may also participate in the regulation of sensory transduction resulting in photophobic response.
www.blackwellpublishing.com /febsabstracts2004/abstract.asp?id=17491   (278 words)

 Developmentally and environmentally regulated expression of gamone 1: the trigger molecule for sexual reproduction in ...
Developmentally and environmentally regulated expression of gamone 1: the trigger molecule for sexual reproduction in Blepharisma japonicum -- Sugiura et al.
Miyake, A. Induction of conjugating union by cell-free fluid in the ciliate Blepharisma.
Miyake, A. and Beyer, J. Blepharmone: A conjugation-inducing glycoprotein in the ciliate Blepharisma.
jcs.biologists.org /cgi/content/full/118/12/2735   (4576 words)

 Blepharismidae - MavicaNET   (Site not responding. Last check: 2007-11-06)
Paramecia and Blepharisma are from the same family of ciliates and about the same size.
However, Blepharisma moves more slowly than paramecia and are distinguished by their rose colored pigment.
Blepharisma - Main - Systema Naturae 2000 - English
www.mavicanet.com /directory/isl/36670.html   (72 words)

 Cell Biology LAB/Papers
Ultrastructure of the isolated microtubules and intermicrotubular bridges in a heterotrichous ciliate, Spirostomum ambiguum.
Ishida, M. Studies on the mechanism of cell elongation in Blepharisma japonicum.
Immunocytochemical study on the cortical fiber structure as the functional component of cell elongation.
mail2.nara-edu.ac.jp /~masaki/CellBiolLab/Papers.html   (1556 words)

 Microorganisms: Blepharisma, Vinegar Eels, and Volvox | eThemes | eMINTS
Learn how the blepharisma, vinegar eels, and volvox look like, where they live, what they eat, and how they propagate.
Learn what happens with the pink color of blepharisma under the sunlight and artificial light.
This site has a video collection of over 1000 movies of invertebrates including six video files of blepharisma.
www.emints.org /ethemes/resources/S00001450.shtml   (484 words)

 Culture Requests: Blepharisma
Editor's Note: I've decided to create an Announcements section of the Stentor, to serve as a community bulletin board for the Society.
I'm a graduate student at the Rockefeller University and would like to make species-defined microcosms containing Blepharisma to study their dynamics.
I'm especially interested in Blepharisma americanum or japonicum, but open to any strains you might have.
www.uga.edu /protozoa/artman/publish/article_19.shtml   (166 words)

 Blepharisma intermedium: Ultraviolet Resistance of Pigmented and Albino Clones -- Giese 149 (3683): 540 -- Science
Blepharisma intermedium: Ultraviolet Resistance of Pigmented and Albino Clones -- Giese 149 (3683): 540 -- Science
Blepharisma intermedium: Ultraviolet Resistance of Pigmented and Albino Clones
An albino mutant of Blepharisma intermedium is much more sensitive
www.sciencemag.org /cgi/content/abstract/149/3683/540   (202 words)

 Carolina: Curriculum Programs for Science and Math
With the proper care, you should be able to maintain the cultures for several weeks.
Open your shipment and remove the lids from all containers to allow in fresh oxygen.
Blepharisma prefers a cool (70° to 80 °F) location.
www.carolina.com /carolina_curriculum/stc/living_materials/blepharisma.asp   (163 words)

 Boreal Laboratories - Boreal Predation Kit
The Boreal Predation Kit, developed by teacher Bryan Flanagan from St. Catharines, Ontario, illustrate predation by using two large colored protozoans, Blepharisma (a pink, one celled organism that moves and feeds by means of cilia), and Climacostomum virens.
You can use a stereomicroscope or videocam so as to allow the entire class to observe the interactions, or microscope(s) for individual study.
Includes: 1 culture of Climacostomum virens, 1 culture Blepharisma, 2 micropippets, 1 small petri dish, 15 microscope slides, instruction sheet, video.
boreal.com /category.asp?c=542525   (205 words)

 Curriculum Vitae of Giovanni Checcucci   (Site not responding. Last check: 2007-11-06)
Checcucci G., Lenci F., Ghetti F., Song P.-S. A videomicroscopic study of the effect of a singlet oxygen quencher on Blepharisma japonicum photobehavior - Journal of Photochemistry and Photobiology, 11: 49-55.
Ghetti F., Checcucci G., Lenci F., Heelis P.F. A laser flash photolysis study of the triplet states of the red and the blue forms of Blepharisma japonicum pigment - Journal of Photochemistry and Photobiology, 13: 315-321.
Role of intracellular pH and comparison between Stentor Coeruleus and Blepharisma japonicum - Journal of Photochemistry and Photobiology, 21: 47-52.
www.ib.pi.cnr.it /staff/giovanni.checcucci/index.html   (1832 words)

 Visuals Unlimited Stock Photography: Conjugation in Blepharisma Protozoans. Blepharisma are large rose colored ciliated ...
Visuals Unlimited Stock Photography: Conjugation in Blepharisma Protozoans.
Blepharisma are large rose colored ciliated protozoans in the same family as the paramecium.
They often feed on bacteria from decomposing vegetable matter.
www.visualsunlimited.com /browse/vu899/vu899290.html   (161 words)

 Heterotrich - Wikipedia, the free encyclopedia
Many species are highly contractile, and are typically compressed or conical in form.
These include some of the largest protozoa, such as Stentor and Spirostomum, as well as many brightly pigmented forms, such as certain Blepharisma.
A number of ultrastructural details characterize the group.
en.wikipedia.org /wiki/Heterotrich   (294 words)

 ATCC: Protistology Collection   (Site not responding. Last check: 2007-11-06)
Please click here for information regarding the specific requirements for shipment to your location.
Encystment and excystment of the heterotrichous ciliate Blepharisma stoltei Isquith.
ATCC products are intended for laboratory research purposes only.
www.atcc.org /common/catalog/numSearch/numResults.cfm?atccNum=30299   (289 words)

 Untitled Page
preconjugant cell interactions in a marine species of Blepharisma (Protozoa Ciliata).
III: The meniscus between air and water as a very peculiar
102) Ricci N. and V.Tortorella The ethogram of Blepharisma japonicum (Protozoa,
www.life.uiuc.edu /nanney/biblio/biblio-ricci.html   (2848 words)

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