sequenced

1. 1
   verb

   Simple past and past participle of sequence.

   Researchers sequenced the entire genome in just three days.

   The samples were sequenced before being compared with older records.

   Note

   A regular verb, so one spelling does double duty. It serves as the simple past (researchers sequenced the genome) and as the participle after have or in the passive (the tracks were sequenced). It carries every use of sequence: putting things in order, reading the order of bases in DNA, building music on a sequencer, and the rarer intransitive sense of moving through a series. Placed before a noun, the lab use becomes the genetics adjective.

2. 2
   adjective

   Of a genome or DNA sample, having had the order of its bases or genes determined.

   Like a book whose every letter has been transcribed in its exact order.

   The newly sequenced genome revealed dozens of previously unknown genes.

   Comparing sequenced samples from several patients exposed the chain of infection.

   Oppositeunsequenced

   Note

   Genetics treats this as an absolute: a sample has been sequenced or it has not, so the adjective takes no more or most. It usually sits before the noun, as in a sequenced genome or sequenced samples from several patients. It names the result of the lab work, while the verb describes the work itself.

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