نتایج جستجو برای: flagellates

تعداد نتایج: 747  

Journal: :Indian Journal of Physics 2022

Every organism has a size that is convenient for its function. Not only multicellular organisms but also uni-cellular and even subcellular structures have sizes. Flagella of eukaryotic cells are long dynamic cell protrusions. Because their simple linear geometry, these appendages been popular system experimental investigation the mechanisms control organelles cells. In past, most attention focu...

2017
Christine A. Nalepa

Subsocial wood feeding cockroaches in the genus Cryptocercus, the sister group of termites, retain their symbiotic gut flagellates during the host molting cycle, but in lower termites, closely related flagellates die prior to host ecdysis. Although the prevalent view is that termite flagellates die because of conditions of starvation and desiccation in the gut during the host molting cycle, the...

Journal: :Environmental microbiology 2007
Rui Zhang Markus G Weinbauer Pei-Yuan Qian

To gain a better understanding of the interactions among bacteria, viruses and flagellates in coastal marine ecosystems, we investigated the effect of viral lysis and protistan bacterivory on bacterial abundance, production and diversity [determined by 16S rRNA gene polymerase chain reaction (PCR) and denaturing gradient gel electrophoresis (DGGE)] in three coastal marine sites with different n...

Journal: :Environmental microbiology 2005
Jens Boenigk Karin Pfandl Peter Stadler Antonis Chatzinotas

We isolated 28 strains of 'Spumella-like' flagellates from different freshwater and soil habitats in Austria, People's Republic of China, Nepal, New Zealand, Uganda, Kenya, Tanzania and Hawaii by use of a modified filtration-acclimatization method. 'Spumella-like' flagellates were found in all of the samples and were often among the dominant bacterivorous flagellates in the respective environme...

2016
Lars Grossmann Christina Bock Michael Schweikert Jens Boenigk

Colourless, nonscaled chrysophytes comprise morphologically similar or even indistinguishable flagellates which are important bacterivors in water and soil crucial for ecosystem functioning. However, phylogenetic analyses indicate a multiple origin of such colourless, nonscaled flagellate lineages. These flagellates are often referred to as "Spumella-like flagellates" in ecological and biogeogr...

Journal: :Acta Protozoologica 2022

This study was carried out in two hypersaline lakes (Acı and Meke Lakes) Turkey to understand the diversity geographic distribution of free-living heterotrophic flagellates. Heterotrophic flagellates environments have not previously been studied Turkey. We found seventeen morphospecies with one unidentified protist. The observed species belong Craspedida, Heterolobosea, Apusomonadida, Neobodoni...

Journal: :Proceedings of the Linnean Society of New South Wales. 1921

2003

As far as I am aware, the only workers who have attempted to find the causes of the spontaneous aggregation of flagellates are Jennings and Moore.' They used a flagellate called Chilomonas paramecium and came to the conclusion that the organisms are attracted by the carbonic acid produced by themselves. Where by chance the flagellates are more crowded together in the liquid on a slide, more car...

2003
H. MUNRO FOX

As far as I am aware, the only workers who have attempted to find the causes of the spontaneous aggregation of flagellates are Jennings and Moore.' They used a flagellate called Chilomonas paramecium and came to the conclusion that the organisms are attracted by the carbonic acid produced by themselves. Where by chance the flagellates are more crowded together in the liquid on a slide, more car...

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