Assertion: valine's effect | /r/HasProperty | observed with e. coli
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Source sentences:
text: We identified that l-valine is a key metabolite for promoting mouse survival under K. pneumoniae challenge; this effect could also be observed with other pathogens such as E. coli, P. aeruginosa, or MRSA, implying that l-valine may be a metabolite that regulates immune functions.