The phrase "a marginal role of" is correct and usable in written English.
It can be used to describe a role or function that is not central or significant in a particular context or situation.
Example: "In the project, the marketing team played a marginal role of supporting the main objectives set by the development team."
Alternatives: "a minor role in" or "a secondary role of".
Taken together, these data suggest a marginal role of NK cells on shock outcome, although the relatively small number of patients enrolled precludes definite conclusion.
The importance of parental birth area can also be illustrated by adding it into either model 1 or model 2. The effects of area of residence and own birth area then totally disappear (Table 5), suggesting a marginal role of area-specific current or early-life factors.
However, the production of the cement-additive by-product exerts a marginal role on the process profit.
53 However, in our study, HCT116-mlh1-2 cells, expressing almost physiological levels of wild-type hMLH1, have a response more similar to that of the parental HCT116 cells than to HCT116+chr3, suggesting a marginal role for hMLH1 in the response of colon cells to activated PMNs.
proABC predicts a marginal role for the H1 loop and a prominent role of H2 in antigen recognition.
The remaining variance was predominantly explained by unique environmental factors and random error, whereas shared environmental factors played only a marginal role for all traits with a range of 0 15%.
Nevertheless, when animals are positioned in the LTP, bacterial colonization is compartmentalized within the proximal airways and during the first 72 hours of MV plays a marginal role in the development of VAP.
Although both analyses showed coherent links between personality traits and manipulation tactics (e.g. low Agreeableness and high Neuroticism were associated with higher use of manipulation tactics), results also indicate that personality traits play a marginal role in selection and use of manipulation tactics.
_ SASHA FRERE-JONES: Commercially released recordings played a marginal role in the culture of experimental music in the sixties.
"Internal factors seem to play a marginal role in the severity of any particular attack," say Clauset and Gleditsch.
The selection of the New York architecture firm Beyer Blinder Belle to design a master plan for ground zero and the financial district confirms once again that architecture will play no more than a marginal role in the redevelopment of Lower Manhattan.
