BACKGROUND The majority of pollen-tube growth in Arabidopsis occurs in specialized tissue called the transmitting tract. Little is currently known about how the transmitting tract functions because of a lack of mutants affecting its development. We have identified such a mutant and we used it to investigate aspects of pollen-tube growth. RESULTS Reverse genetics was used to identify mutations...

The effect of the distance between post and residual gutta-percha on the clinical outcome of endodontic treatment. Moshonov J, Slutzky-Goldberg I, Gottleib A & Peretz B Journal of Endodontics (2005) 31(3) 177-179. (Department of Endodontics, Hadassah School of Dental Medicine, Jerusalem, Israel) After endodontic therapy, teeth are often restored with a post and core. In many cases after post ce...