The phrase "activity was essential for" is correct and usable in written English.
It can be used to indicate that a particular activity is necessary or crucial for achieving a specific outcome or goal.
Example: "The training activity was essential for improving team performance and collaboration."
Alternatives: "activity was vital for" or "activity was crucial for".
Luciferase reporter assay showed that hypoxia induced NF- κB activation in SNU-668Vector cells after 2 h of hypoxia (P=0.009 vs normoxic control), and that basal NF- κB activity was essential for hypoxia-induced NF- κB activation in gastric cancer cells.
Co-expression of shRNA-resistant wild-type and mutant forms of PTEN indicated that the lipid-phosphatase activity was essential for this effect.
This is an accordance with an earlier study that reported PI3K/AKT activity was essential for retaining Bax in the cytoplasm [18].
Given the limited level of catalytic activity exhibited by the Chk1D469G protein, we wondered whether kinase activity was essential for its function.
Since certain level of Tor activity was essential for the expression of FLO11, the activity of Tor should be maintained in this range.
The vacuolar processing enzymes showed caspase-1 activity was essential for PCD induced by TMV [47] and fumonisin B1 [48], as well as for developmental cell death in the formation of the seed coat [49].
Bonales-Alatorre E, Shabala S, Chen ZH, Pottosin I. Reduced tonoplast fast-activating and slow-activating channel activity is essential for conferring salinity tolerance in a facultative halophyte, quinoa.
Although Cdk1-Clb activity is essential for Swe1 destruction, activation of Cdc5 [5], Cdk1-Clb2 activity or interaction with Swe1 are dispensable for Swe1 degradation [6], [10].
Together, our data suggested that TACE activity is essential for LPS-induced EGFR activation and MUC5AC overexpression in HIBECs.
In its active form NA is a membrane bound homotetrameric glycoprotein and its sialidase activity is essential for the release of new virus particles from infected cells[1].
