Sentence examples for been lacking until now from inspiring English sources

An efficient method for gene targeting in plants has been lacking until now, frustrating efforts to engineer crop plants.

Although many people have assumed that colonoscopy must save lives because it is so often recommended, strong evidence has been lacking until now.

For Renzi it is undoubtedly a huge personal triumph, a victory that earns him the popular mandate he had been lacking until now, having taken power earlier this year from a party rival.

Additional evidence for this proposal comes from the sensitivity of partial wh-movement to island boundaries below but not above the pronunciation site of the wh- phrase, a pattern that has been predicted by previous analyses (e.g., Abels 2012a, Sabel 2000, Sabel & Zeller 2006) but for which empirical support has been lacking until now.

"Scientists have long suspected that an ocean acidification event occurred during the greatest mass extinction of all time, but direct evidence had been lacking until now," said Matthew Clarkson of Edinburgh University, the first author of the study published in the journal Science.

Although Hodler's work has been widely published in recent years, a catalogue raisonné of his work has been lacking until now.

But what was lacking, until now, was consistency.

But fine enough detail was lacking until now.

Structural insight in the basis for specificity into the extended binding site of FimH was lacking until now, seriously hampering and invalidating structure-based design of anti-adhesive molecules using organic chemistry.

Although externally added oxidant insults have been shown to produce axonal degeneration in culture, 10 a disease-relevant murine model for axonal damage, caused by endogenously produced oxidative stress, was lacking until now.

For the Netherlands, in which nursing home physicians are employed by nursing homes for medical care and in which nursing home medicine is an independent medical specialism with its own specific training programme [ 8, 9], epidemiological data about pain in nursing homes are lacking until now.