Upstream

In geography, upstream literally means towards the source of a stream or river, or against the normal direction of water flow.

Upstream is the opposite of downstream. It may also refer to:

Molecular biology

 * Upstream and downstream (DNA), determining relative positions on DNA
 * Upstream and downstream (transduction), determining temporal and mechanistic order of cellular and molecular events of signal transduction
 * Upstream (bioprocess)
 * Upstream (petroleum industry)

Media

 * Upstream (film), a 1927 film directed by John Ford
 * Upstream (newspaper), a weekly, independent trade newspaper covering the global oil and gas industry

Computer science

 * Upstream (networking)
 * Upstream (software development)
 * Upstream server

Other

 * Upstream (oil industry)
 * Upstream (mobile marketing)

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