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Topic: Cryptomonas


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In the News (Fri 11 Dec 09)

  
  Cryptomonad - Wikipedia, the free encyclopedia
This indicates that the chloroplast was derived from a eukaryotic symbiont, shown by genetic studies to have been a red alga.
A few cryptomonads, such as Cryptomonas, can form palmelloid stages, but readily escape the surrounding mucus to become free-living flagellates again.
Cryptomonad flagella are inserted parallel to one another, and are covered by bipartite hairs called mastigonemes, formed within the endoplasmic reticulum and transported to the cell surface.
en.wikipedia.org /wiki/Ejectosomes   (387 words)

  
 PID- Cryptomonas Taxonomy   (Site not responding. Last check: 2007-09-21)
Cryptomonas have been examined with respect to these characters.
Hence, a name applied to an illustration or culture may be misapplied at the species or even the genus level.
Cryptomonas strain [Greek letter theta]"; the Greek-letter strain designations were those applied to the strains by the original collector.
megasun.bch.umontreal.ca /protists/crypt/taxonomy.html   (104 words)

  
 Phytoplankton and protoplankton to observe in pond samples
Cryptomonas represents a group of algae known as cryptomonads.
The patterns can be seen best by using a scanning electron microscope, available in some high schools or at a local college or university.
Cryptomonas is a single-celled flagellate; there are two flagella by which it swims through the water.
microbes.limnology.wisc.edu /outreach/pondsamples.php   (441 words)

  
 Publication list 2003 with abstracts
The phytoplankton species were cultured under photosynthetically active radiation (PAR) conditions, and under PAR supplemented with ultraviolet-A and ultraviolet-B radiation, and fed to Daphnia.
Four algal species (Chlamydomonas reinhardtii, Cryptomonas sp., Scenedesmus obliquus and Microcystis aeruginosa) were used as food and fed to three zooplankton species (Daphnia galeata, Bosmina longirostris and Brachionus calyciflorus), representing different taxonomic groups.
Brachionus grazing rates were increased when feeding on UV-B stressed Cryptomonas and UV-B stressed Scenedesmus, and decreased when feeding on UV-B stressed Microcystis, compared with non-stressed algae.
www.dow.wau.nl /aew/publications/pub2003_full.html   (7997 words)

  
 Search for products to control Cryptomonas Spp. based upon pesticides registered in various states to control ...   (Site not responding. Last check: 2007-09-21)
Pesticides, such as products to control Cryptomonas Spp., are regulated by State Departments of Agriculture.
http://www.kellysolutions.com allows you to search for products to control Cryptomonas Spp., using data supplied by the various states that register the pesticides to control Cryptomonas Spp..
To find all products ever registered at EPA to control Cryptomonas Spp.: www.kellysolutions.com/epadata (login as username: 'Guest' and password: 'Guest' - your results will be limited to 5 items).
www.kellysolutions.com /searchpests/Cryptomonas_Spp..htm   (408 words)

  
 Untitled   (Site not responding. Last check: 2007-09-21)
On subsequent resorcinol applications, the velocity of degradation increased exponentially, from 6 days on the lst application to 3 hours on the 6th application.
A microbial degradation was not involved: Axenic Cryptomonas cultures yielded the same results as on non-axenic ones.
This enzymatic reaction may be a most significant one comprising a specific way of detoxification of distinct monophenolic, toxic natural products within the aquatic environment.
lifesciences.asu.edu /psna/abs97/posters/suetfeld.html   (363 words)

  
 Limnology and Oceanography Abstracts   (Site not responding. Last check: 2007-09-21)
A strain of Cryptomonas was grown on three types of growth medium with nitrogen (N) and phosphorus (P) adjusted to produce N-limiting, P-limiting, and nutrient-sufficient conditions.
The analysis of nutrient content of Cryptomonas cells grown on nutrient-limited conditions showed that those algae exhibited higher P content than algae growing on a nutrient-sufficient medium.
The lowest rotifer growth rates were obtained when the rotifer fed on Cryptomonas grown in nutrient-sufficient conditions.
aslo.org /lo/toc/vol_48/issue_2/0933.html   (245 words)

  
 CSIRO PUBLISHING - Marine & Freshwater Research
Ecology of Cryptomonas at the chemocline of a karstic sulfate-rich lake
The Cryptomonas population of Lake Arcas suffers intense grazing by aerobic and anaerobic ciliates either above or below the oxic–anoxic boundary.
Consequently, grazing pressure on Cryptomonas can not be significantly reduced by migration to anoxic waters.
www.publish.csiro.au /nid/126/paper/MF00097.htm   (249 words)

  
 About Cryptophytes
The name-giving genus Cryptomonas was first described by Christian Gottfried Ehrenberg (Ehrenberg 1831).
In the few previously published reports about sexual reproduction in the cryptophytes, no dimorphism was observed (Wawrik 1969, 1971, 1979; Kugrens and Lee 1988).
However, the genera Proteomonas (marine) and Cryptomonas (freshwater) consist of two alternate morphs that may be related to a yet unknown life history with sexual reproduction.
www.uni-koeln.de /~aeb25/cryptophyceae.html   (1006 words)

  
 LOCUS AF041468 121524 bp DNA circular PLN 15-SEP-1998
            plastid-encoded in the chlorophyll c-containing alga Cryptomonas
  AUTHORS   Wang,S.L. and Liu,X.Q. The plastid genome of Cryptomonas phi encodes an hsp70-like
            gene cluster from the plastid of Cryptomonas F (Cryptophyceae)
www.canr.msu.edu /lgc/GenBankfiles/AF041468.html   (438 words)

  
 Publications
Lineage-specific variations of congruent evolution among DNA sequences from three genomes, and relaxed selective constraints on rbcL in Cryptomonas (Cryptophyceae).
Multiple independent losses of photosynthesis in the genus Cryptomonas (Cryptophyceae) – combined phylogenetic analyses of DNA sequences of the nuclear and the nucleomorph ribosomal operons.
Revision of the genus Cryptomonas: a combination of molecular phylogeny and morphology provides insights into a long-hidden dimorphism.
www.uni-koeln.de /~aeb25/publications.html   (244 words)

  
 Predator-Specific Enrichment of Actinobacteria from a Cosmopolitan Freshwater Clade in Mixed Continuous Culture -- ...
maintained in batch cultures of the Cryptomonas sp.
The exudates from a phosphorus-limited population of the Cryptomonas sp.
There were clear differences in the compositions of the communities that formed with the Cryptomonas sp.
aem.asm.org /cgi/content/full/67/5/2145   (5564 words)

  
 Cited Literature
A revised circumscription of Cryptomonas (Cryptophyceae) based on examination of Australian strains.
Kugrens P, Lee RE, Andersen RA (1986) Cell form and surface patterns in Chroomonas and Cryptomonas cells (Cryptophyta) as revealed by scanning electron microscopy.
Classification of the green algae: a concept based on comparative cytology.
www.melkonian.uni-koeln.de /andrey/cited.html   (290 words)

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