A recessive founder mutation in regulator of telomere elongation helicase 1, RTEL1, underlies severe immunodeficiency and features of Hoyeraal Hreidarsson syndrome. oleh Bari J Ballew, Vijai Joseph, Saurav De, Grzegorz Sarek, Jean-Baptiste Vannier, Travis Stracker, Kasmintan A Schrader, Trudy N Small, Richard O'Reilly, Chris Manschreck, Megan M Harlan Fleischut, Liying Zhang, John Sullivan, Kelly Stratton, Meredith Yeager, Kevin Jacobs, Neelam Giri, Blanche P Alter, Joseph Boland, Laurie Burdett, Kenneth Offit, Simon J Boulton, Sharon A Savage, John H J Petrini