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In Star Trek, the Trill were a race of humanoids who incorporated a long-living symbiont. One of them was a main character on the series Star Trek: Deep Space Nine . In the series Stargate SG-1 , both the principal villains, the Goa'uld and their benevolent versions, the Tok'ra were symbionts who grafted themselves into the human nervous system.
An example is nitrogen-fixing bacteria in certain plant roots, such as pea aphid symbionts. A third type is mixed-mode transmission, where symbionts move horizontally for some generations, after which they are acquired vertically. [26] [27] [28] Wigglesworthia, a tsetse fly symbiont, [28] is vertically transmitted (via mother's milk). [28]
For example, in lichens, which consist of fungal and photosynthetic symbionts, the fungal partners cannot live on their own. [ 11 ] [ 19 ] [ 20 ] [ 21 ] The algal or cyanobacterial symbionts in lichens, such as Trentepohlia , can generally live independently, and their part of the relationship is therefore described as facultative (optional ...
One of the most commented aspects of Fledgling is its unusual type of vampire, the result of Butler's fusion of vampire fiction with science fiction. While the Ina are simply another species coexisting with humanity, the traditional vampire's monstrosity and abnormality routinely symbolizes deviant sexuality and decadence, serves as a foil for humanity, or is a projection of repressed sexual ...
The symbiont enforces something like rational behavior upon its victims, causing them to question their earlier beliefs and practices. At the end of the novel, the parasite is brought to the mainland; the subsequent novels in the trilogy explore the consequences as it begins to affect a large part of the human population.
For instance, barnacles on whales is an example of an ectosymbiotic relationship where the whale provides the barnacle with a home, a ride, and access to food. The whale is not harmed, but it also does not receive any benefits so this is also an example of commensalism. An example of ectosymbiotic bacteria is cutibacterium acnes. These bacteria ...
An example of this would be Colletotrichum fioriniae, which is an endophyte of many temperate broadleaved trees and shrubs, but can also be a pathogen on many fruits and some leaves. [ 41 ] [ 42 ] Clavicipitaceous and non-clavicipitaceous
Mixotricha paradoxa, which itself is a symbiont, contains numerous endosymbiotic bacteria; Parakaryon myojinensis, a possible result of endosymbiosis independent of eukaryotes; Parasite Eve, fiction about endosymbiosis; Strigomonas culicis, another protozoan that harbours an obligate bacterial symbiont