Informační revoluce v genetice

Rozluštění tajemství lidského genomu by nebylo možné bez počítačového zpracování obrovského množství dat, mimo jiné většiny ze tří miliard chemických součástek, z nichž se skládá genetický plán našeho druhu. Co nám ale tato revoluce v ,,bioinformatice" přinesla především, je jasné potvrzení evolučního principu veškerého života na Zemi.

Sekvenční data, ať už z bílkovin nebo nukleových kyselin, se dobře hodí k počítačovému zpracování, protože je lze snadno digitalizovat a rozložit na základní složky. Jednoduché programy dokáží porovnat dva nebo víc řetězců těchto složek a vyhodnotit míru jejich shodnosti, prohledat ohromné databáze a porovnat nové sekvence s již známými a seskupovat skupiny sekvencí do podoby schématického rodokmenu.

Důsledky výzkumu prováděného na prvních zkoumaných bílkovinách před bezmála půlstoletím byly dalekosáhlé. Všechny tyto sekvence byly poměrně krátké - inzulín obsahuje jen asi 50 aminokyselin, podle daného druhu -, ale odlišnost mezi druhy byla zřejmá.

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