The main problem is that the candidate regions identified using these approaches are large and include many genes, and it is painstaking work to test each of these individual genes.
Testing is a painstaking process.
The C.D.C. said that the shortfall resulted from delays in the painstaking process of manufacturing and testing the vaccine.
But testing each new compound required the painstaking recovery of fresh worms from a constant slaughter of infected animals.
The NextGen project is trying to change that, through a painstaking process that includes not just software development but also testing, data gathering, observations of classroom dynamics, interviews with teachers, assessments of children's learning and controlled comparisons.
The cleanup has been repeatedly delayed, not only by testing to determine the extent of contamination and by the painstaking requirements of the criminal investigation, but also by uncertainty over just how to eradicate potentially deadly anthrax spores.
Testing each of the roughly 22,000 mammalian genes against miRNAs one by one, to see which ones are controlled by the molecules, is inordinately painstaking and costly.
After a painstaking journey, researchers are preparing to test stem cell therapy in ailing fetuses.
Two years ago, he bought $27,000 worth of equipment to conduct a painstaking set of tests on amateur golfers.
It has involved a painstaking series of tests, not yet finished, including firing pieces of foam at 500 miles an hour into simulated and even actual shuttle wing parts.
