Using PL-Grid infrastructure to store and process DNA sequence data from GS FLX Instrument Marcelina Borcz 1,2 , Rafal Kluszczy´ nski 2 , Katarzyna Skonieczna 3,4 , Tomasz Grzybowski 3 , Piotr Bala 1,2 , 1 Faculty of Mathematics and Computer Science Nicolaus Copernicus University Chopina 12/18, 87-100 Toru´ n, Poland 2 Interdisciplinary Centre for Mathematical and Computational Modelling University of Warsaw Pawi´ nskiego 5a, 02-106 Warsaw, Poland 3 Department of Molecular and Forensic Genetics Institute of Forensic Medicine, Ludwik Rydygier Collegium Medicum Nicolaus Copernicus University Sklodowskiej-Curie 9, 85-094 Bydgoszcz, Poland 4 The Postgraduate School of Molecular Medicine Medical University of Warsaw ˙ Zwirki i Wigury 61, 02-091 Warsaw, Poland 1 Introduction The constant growth of the amount of the biological and biomedical data forces scientists to use infrastructures which provide significant computer power, disk 1