This parasite is an obligate intracellular parasite, which must enter the cells of the host it is invading.
12.
Most species are free-living, others are symbionts and R . coscinodiscivorus is an intracellular parasite of diatoms.
13.
"N . parisii " is an intracellular parasite that is exclusively transmitted horizontally from one animal to another.
14.
Outside of these categories, there are obligate intracellular parasites that are " on the edge of life " in terms of satellites.
15.
The difficulty in culturing the organism appears to be because it is an obligate intracellular parasite that lacks many necessary genes for independent survival.
16.
Another alkaloid, harmine, found in " P . harmala ", has appreciable efficacy in destroying intracellular parasites in the vesicular forms.
17.
Intracellular parasites, such as protozoa, bacteria or viruses, tend to rely on a third organism, which is generally known as the carrier or vector.
18.
Viruses are intracellular parasites that do not have the necessary means to reproduce on their own, so they have to hijack the machinery of a host cell instead.
19.
The term "'co-option "'refers to the capacity of intracellular parasites to use host-cell proteins to complete their vital cycle.
20.
The " N . parisii "-" C . elegans " system represents a very useful tool to study infection mechanisms of intracellular parasites.
