key player

But as a key player in the expansion of Russia's influence in Africa in recent years, he has also been involved in some extraordinary activities in real life.

These two major findings led the researchers to conclude that PDAP1 is not only a pawn used by hepatitis A virus to replicate, but also a key player in maintaining the liver cell's ability to produce cellular proteins essential for survival under severe metabolic or infectious stress.

It is often a key player in areas where business and national security interests collide, such as restricting technology exports to China or enacting tariffs to protect US steel.

Reports in Brazilian media suggest he was once considered a key player in the gang's operation.

He made the exact journey that Suaalii has mapped out - from a top-level rugby union debut to key player in the 2001 Lions Test series in little over half a year - before going on to win the Rugby World Cup with England in 2003.