Michael Lauck Samuel D Sibley James Lara Michael A Purdy Yury Khudyakov David Hyeroba Alex Tumukunde Geoffrey Weny William M Switzer Colin A Chapman Austin L Hughes Thomas C Friedrich David H O'Connor Tony L Goldberg

krzysztof domagalski department of infectious diseases and hepatology, nicolaus copernicus university, bydgoszcz, poland; department of plant physiology and biotechnology, nicolaus copernicus university, torun, poland małgorzata pawlowska department of infectious diseases and hepatology, nicolaus copernicus university, bydgoszcz, poland; department of infectious diseases and hepatology, nicolaus copernicus university, bydgoszcz, poland. tel/fax: +48-523255605 andrzej tretyn department of plant physiology and biotechnology, nicolaus copernicus university, torun, poland; centre for modern interdisciplinary technologies, nicolaus copernicus university, torun, poland waldemar halota department of infectious diseases and hepatology, nicolaus copernicus university, bydgoszcz, poland malgorzata tyczyno department of infectious diseases and hepatology, nicolaus copernicus university, bydgoszcz, poland dorota kozielewicz department of infectious diseases and hepatology, nicolaus copernicus university, bydgoszcz, poland

moataza h. omran microbial biotechnology department, genetic engineering division, national research centre, dokki cairo, egypt; microbial biotechnology department, genetic engineering division, national research centre, dokki cairo, egypt. tel: +20-1223735450, fax: +20-233370931 wael nabil microbial biotechnology department, genetic engineering division, national research centre, dokki cairo, egypt samar s. youssef microbial biotechnology department, genetic engineering division, national research centre, dokki cairo, egypt mervat el-sayed chemistry department, faculty of science, cairo university, dokki cairo, egypt mostafa k. el awady microbial biotechnology department, genetic engineering division, national research centre, dokki cairo, egypt

Peter Simmonds Paul Becher Jens Bukh Ernest A Gould Gregor Meyers Tom Monath Scott Muerhoff Alexander Pletnev Rebecca Rico-Hesse Donald B Smith Jack T Stapleton