The ppsR gene (R. J. Penfold and J. M. Pemberton, J. Bacteriol. 176:2869-2876, 1994) from Rhodobacter sphaeroides 2.4.1 functions as a transcriptional repressor of puc and bchF expression. The carboxy terminus of PpsR, containing the putative DNA-binding domain, by itself possesses repressor activity. Intact palindromes having the motif TGT-N12-ACA are required for PpsR activity.

the main purpose of this research was to study different aspects of self-employment among the agricultural female students in university of zanjan. the statistical population of the study contained of senior female students in agriculture faculty of zanjan university in 2014-2015 academic year (n= 135).according to cochran's formula, 63 student were selected using a stratified random sampl...