Author Affiliations +
MARIAN DRAGANOV,1 MARIANNA MURDJEVA,1 EMMANUEL KAMBEROV1,*
1Laboratory of Cell BiologyUniversity of Plovdiv, Plovdiv, Bulgaria (M. D.)Department of Microbiology
*To whom correspondence should be addressed at Howard Hughes Medical Institute, 1150 W. Medical Center Drive, MSRBII, Room 4574, Ann Arbor, Michigan 48109-0650. ekam@medmail.med.umich.edu