The phrase "acknowledged roles" is correct and usable in written English.
You can use it when referring to roles or responsibilities that have been recognized or accepted within a particular context, such as a team or organization.
Example: "In our project, each team member has their acknowledged roles, which helps streamline our workflow."
Alternatives: "recognized positions" or "accepted roles".
Amongst the seven known mammalian sirtuin proteins, SIRT1 has gained much attention due to its widely acknowledged roles in promoting longevity and ameliorating age-associated pathologies.
At least five Arab countries — Jordan, the United Arab Emirates, Bahrain, Qatar and Saudi Arabia — have taken publicly acknowledged roles in the air campaign targeting militants in Syria.
Some of these transcription factors have acknowledged roles in important cellular processes and cancer, including TCF, STAT, p53, TEAD, HIF1, Nkx2, MyoD, SOX13 and RXRα.
These proteins have acknowledged roles in cell recruitment, angiogenesis, bone lysis, adhesion, migration [ 53– 66] and are currently being evaluated as candidate therapeutic targets for the prevention of metastasis.
Injudicious use of oxygen at high partial pressures (hyperoxia) for unproven indications, its known toxic potential, and the acknowledged roles of reactive oxygen species in tissue injury led to skepticism regarding its use.
Despite the well acknowledged role of portion control in weight management, large portion sizes remain ubiquitous in the marketplace.
The international Millennium Project has an acknowledged role in the development of shared understanding of the field.
Despite the widely acknowledged role of start-ups in economic development, little is known about their innovative activities compared with those of established firms.
International cooperation plays an increasingly acknowledged role in the implementation of the national S&T strategies in all Central Asian countries.
This is consistent with the increasingly acknowledged role of basal-plane oxygen as a protagonist (e.g., reaction intermediate), instead of a spectator, in the wide variety of adsorption and reaction processes involving sp2-hybridized carbon materials.
Among those, AP-1 is a family of dimeric transcription complexes with an acknowledged role in the control of immunity.
