Assertion: chloroplast's role | /r/CapableOf | become supported by the phenotypes of mutants
Facets:
value: particularly strongly
type: MANNER
Source sentences:
text: Such a quantitative, preferential functional role becomes particularly strongly supported by the phenotypes of mutants: the ΔrpoB mutant of tobacco  and mutants from the loss of different pTACs in Arabidopsis  are albino but heterotrophically viable.