It's not like a strain of E. coli that may cause disease in immunosuppressed individuals yet is a part of normal microbiota for other people.
Well, actually, it is kind of like that.
The answer is complicated, but can be boiled down to, virulent serotypes of Neisseria meningitidis infect susceptible populations. For the short answer, just read between the ...
The answer is absolutely yes.
There are 3 main ways:
Faecal transplant: faecal sample from other insect could be
transplanted in order to colonize the gastro-intestinal tract
Injection of bacterial culture into the desired tissue
Use of functional foods to increase the abundance of specific bacterial
See this review for more detail
Klebsiella species, including pneumoniae, are normal members of the healthy human oral microbiome.
Klebsiella and Providencia emerge as lone survivors following long-term starvation of oral microbiota
Saliva microbiomes from 6 healthy adults were analyzed by 16S sequencing over a starvation timecourse, where oral microbes were cultured in minimal medium (...