The Sahara was a strong geographical barrier against gene flow, at least since 5,000 years ago, when desertification affected a larger region, but the Arab trans-Saharan slave trade could have facilitate enormously this migration of lineages.
But, if geographical and climatic conditions have not been favorable to sub-Saharan gene flow to North Africa in the last 5,000 years, the Arab trans-Saharan slave trade could have facilitate enormously this migration of lineages.
Disturbances in TJ function are reflected in many diseases, but on the other hand, awareness of their involvement has facilitated therapy enormously.
Although ongoing progress in computer software and digital imaging systems has facilitated viewing and interpretation of cerebral angiograms enormously, these facilities are not always available.
This has been facilitated enormously by recent advances in functional neuroimaging and computing power" that allow for more biologically plausible models of neuronal computation.
"Insiders have facilitated terrorist attacks.
This facilitates enormously diagnosis and differential diagnosis, evaluation of their prognosis and planning their treatment.
Comparative genomics has been enormously facilitated by progress in bioinformatics tools, comprising the enormous amount of information available from databases concerning protein localization [ 2, 3], viability [ 4, 5], protein expression [ 6], genetic interactions [ 7] and protein-protein interactions [ 8].
And doing this has been enormously facilitated over the last 25, 30 years by the advent of a spectacular way for studying snakes in the wild.
