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amoebae in Medical News

Microbial 'cheaters' help scientists ID 'social' genes

... HOUSTON, Feb. 13, 2008 -- The first genome-wide search for genes governing social behavior has found that even the simplest social creatures -- the amoebae Dictyostelium discoideum -- have more than 100 genes that help regulate their cooperative behavior. The study by scientists at Rice University and ...
amoebae in Biological News

Texas-sized tract of single-celled clones

...he first-ever report of a large, natural colony of amoebae clones -- a Texas-sized expanse measuring at least...ee whether they produced any feeding amoebae. When amoebae were found, they were analyzed genetically to see ...that mutations to these genes can allow individual amoebae to "cheat" and take advantage of nonmutants' willi...

Making the ultimate family sacrifice

...rrow the search for genes that drive single-celled amoebae to stick close to their kin before altruistically ... biologists. Why, for example, haven't cheaters -- amoebae who avoid the stalk and focus all their energies o...y those that produce the sticky adhesives that the amoebae secrete to grab onto one another during colony for...

Tips from the Journals of the American Society for Microbiology

...gle-celled organisms whose main function is bacterial consumption. They are commonly found in the natural microflora of plants and several species of amoebae have been associated with fresh salad vegetables. The recent occurrence of multiple outbreaks has encouraged researchers to further examine the inter...

Some cheaters can keep it in their genes

...slime moulds microscopic single-cell organisms or amoebae that are forced to cooperate with one another when...from The University of Manchester, found that some amoebae have the ability to use cheating tactics to give t... widespread among social creatures. Slime mould amoebae feed off bacteria in the soil but when food become...

Silence of the amoebae

...ientists report the silencing of two additional virulence genes in the same amoebae using a similar plasmid-induced principle. The disabled amoebae, thou...using strain. The scientists now plan to test the ability of these silenced amoebae to serve as a live vaccine by evoking an intestinal immune response. If suc...

Single cell amoeba increases MRSA numbers 1000- fold

... amoeba acts as an incubator for MRSA bacteria. As amoebae are often found in healthcare environments this di...rsity of Bath, found that MRSA in association with amoebae increased in numbers 1000- fold. The pathogenic bacteria, Legionella, also replicate inside amoebae and are then released into the environment. The re...
amoebae in Biological Definition

Eukaryote

...tes may be assigned to several supergroups: Opisthokonts Animals , fungi , choanoflagellates , etc. Amoebozoa Most lobose amoebae and slime moulds Rhizaria Various amoeboid protozoa Excavates Various flagellate protozoa Plantae sensu lato ...

Excretion

...ficial while in the gut , but dangerous to others and they may also contain virulent and even deadly pathogens in the form of bacteria, viruses , amoebae , and various parasitic worms . Urine, on the other hand, contains excess water, salt, and protein waste in the form of urea as uric acid, and se...

Fungus

...reated with them. Slime moulds were also originally placed here, because they produce fruiting bodies, but are now recognized to belong among the amoebae . Miscellaneous The seeds of many orchids require a fungus to germinate . Fungi of the genus Penicillium produce penicillin , the fir...
amoebae in Biological Dictionary

Amoeba

...c downloads. A web resource for light microscopists seeking to identify amoebae and other fresh water micro organisms. An introduction with photomicrographs of amoebae . Amoeba ... A protozoan of the genus Amoeba or related genera, oc...
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