downstream


Also found in: Dictionary, Thesaurus, Financial, Acronyms, Encyclopedia, Wikipedia.
Related to downstream: upstream
Cardiology The direction of blood flow, specifically in vessels flowing from the heart
Molecular biology A position on a molecule of interest—e.g., protein or DNA—that is ‘beyond’ or in front of a reference point; the term downstream differs according to the system involved

downstream

In genetics, at a stage in the sequence of processes in the expression of a gene that is nearer the final protein product than any stage in the direction of the DNA. The term is also used to mean in the direction of the 3'-end of a chain of bases in DNA (see PHOSPHODIESTER BOND). In both cases the opposite sense is called ‘upstream’.

downstream

(of a LOCUS on a DNA MOLECULE) relating to a position in the direction in which TRANSCRIPTION occurs, often after the transcription start site in DNA and towards the last coding region to be transcribed. By convention the DNA sequence of genes is shown from 5' (left) to 3' (right) so that ifX is on the 3' side of Y it is described as being downstream of Y. Compare UPSTREAM.
References in periodicals archive ?
Asia Pacific was the largest region in the global oil downstream activities market, accounting for 29% of the market in 2018.
According to him, 12 other companies had applied for building downstream projects in Mahshahr whose applications were being considered and weighed up by the organization.
"We are incredibly proud of our continued association with the Gulf Downstream Association and our commitment at Saudi Aramco to build our Downstream capacity harnesses the vast reserves of the Kingdom and our equally deep pools of talent.
However, if we analyse the situation of the downstream industry, there is a huge potential for development.
He recalled that before the construction of Tarbella Dam average 70 MAF water was released downstream Kotri and our delta was thriving.
At the event, Adnoc detailed plans to invest Dh165 billion ($45 billion), to become a global downstream leader, enabling it to further stretch the value of every barrel it produces to the benefit of Adnoc, its partners and the UAE, creating a range of opportunities for new and existing partners and investors.
On the contrary, the firms chief executive Rebecca Miano said the Seven Forks dams help to regulate river levels by storing huge volumes of water thus reducing flooding downstream.The firm has also warned of prolonged flooding with Masinga Dam expected to fill to capacity in the next one week.
As ADNOC accelerates delivery of its 2030 strategy, the trading unit will capitalise on the size and scale of the company's crude oil and refined products portfolio, the flexibility within ADNOC's refining system, and will leverage synergies and integration opportunities across its downstream value chain.
The Abu Dhabi National Oil Company (ADNOC) announced, today, its intention to move further downstream, as the company pivots to take full advantage of the rising demand for higher value refined and petrochemical products, particularly in the growth economies of China and Asia.
The companies have told their shareholders that the merger will aim for "higher growth and higher margin businesses, and expansion of existing strong downstream presence."
London, England, United Kingdom, August 30, 2016 --(PR.com)-- The World Downstream Maintenance Market Forecast 2017-2021 analyses the demand for maintenance in two key equipment and service lines: downstream asset services and downstream asset integrity services, and across four facility types: refineries, petrochemical plants, gas processing and LNG.