For the wet-lab biologist holding a printout of differentially expressed genes, DAVID is the fastest way to turn that list into a plausible biological story. For the bioinformatician, DAVID serves as a reliable validation tool to cross-check pipeline outputs.
Statistical significance in DAVID depends entirely on the "Background" or "Universe." The user must define what constitutes the total population.
The name was intentionally approachable. Unlike intimidating names like "Multivariate Functional Annotation Suite," "DAVID" felt friendly. The logo often featured a stylized slingshot (as in David vs. Goliath), representing the idea that a small tool can help a biologist take down the "giant" problem of big data.
While newer, flashier tools have entered the field, DAVID remains a bedrock resource due to its reliability, comprehensive backend, and ease of use. It serves as a reminder that in the age of Big Data, the challenge isn't just collecting the data—it's finding the story hidden within it.
DAVID offers a suite of web-based tools categorized into several key functional areas: Functional Annotation Tool:
