Recent studies such as ours, however, establish protein phosphatases as positive and essential regulators of signal transduction, with remarkable substrate specificity and coordinated activities. (sciencedaily.com)
Researchers at Georgia State University and Stony Brook University have identified the tumor suppressor role of matrix - metalloproteinase (MMP9), which belongs to a family of enzymes called proteinases and serves as an essential regulator of extracellular matrix components via a novel mechanistic pathway. (sciencedaily.com)
The researchers found that the fog layer is an essential regulator of the Amazon climate: during the wet season, it artificially modifies the duration of daytime because it reflects sunlight during the early morning. (sciencedaily.com)