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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 of a horizontally transmitted symbiont with a high specificity recognition and acquisition method is the Rhizobia-Legume symbiosis. The establishment of the symbiosis begins with the aposymbiotic plant releasing flavinoids that are detected by a specific Rhizobium species and triggers the induction of nod genes in the bacterium. [ 6 ]
An iconic example is the case for blood-feeding or sap-feeding insects, which often depend on one or several bacterial symbionts to thrive on a resource that is abundant in sugar, but lacks essential amino-acids or vitamins. [141] Another example is the association of Fabaceae with nitrogen-fixing bacteria. The compound beneficiary to the host ...
An example of horizontal transmission is the deep sea tube worm and its symbiont. [7] The second type of transmission is vertical transmission in which the symbiont is passed down from the parent to the offspring and there is no aposymbiotic phase. [ 7 ]
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 ...
Classically the transmission mode of the symbiont can also be important in predicting where on the mutualism-parasitism-continuum an interaction will sit. [4] Symbionts that are vertically transmitted (inherited symbionts) frequently occupy mutualism space on the continuum, this is due to the aligned reproductive interests between host and ...
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]
A brown mouse, very into literature who manages to trick his way out of Weasel's soup pot by telling him stories as a part of his Mouse Soup recipe. Mr. Jingles Stephen King: The Green Mile: A mouse whom Del teaches various tricks. Miggs Family Miriam Norton: The Kitten Who Thought He Was A Mouse