Oct-1 and a second, previously unidentified octamer-binding protein (Oct-R) have been identified in extracts of Xenopus laevis oocytes and embryos. Oct-1 does not bind to the octamer motif associated with certain Xenopus laevis histone H2B gene promoters, whereas Oct-R binds well to this motif, but only in the sequence context of the H2B gene promoter.

Common and dwarf bunt of wheat are recognized as being caused by three closely related species, Tilletia caries and T. laevis as common bunt, and T. controversa as dwarf bunt. The morphological characteristics of two species including T. controversa and T. caries were studied from wheat grown in two provinces of Iran, Lorestan and Chaharmahal–o-Bakhtiari duri...

Ehretia laevis Roxb. (Boraginaceae) has been extensively used as a traditional remedy for the treatment of diverse range ailments related to respiratory system, gastrointestinal tract, reproductive and against several infections. This review critically assesses documents, first time, fragmented information on E. laevis, including its botanical description, folklore uses, bioactive phyto metabol...

The aim of these experiments was to test whether the developmental potential of nuclei from intestinal epithelial cells of Xenopus laevis tadpoles declined during the life of the functional larval gut. The results of transplantation of nuclei from three different stages of development were compared: stages 46-48, when feeding begins and while yolk is still present but before the formation of th...

Bartlett, Heather L., Thomas D. Scholz, Fred S. Lamb, and Daniel L. Weeks.Characterization of embryonic cardiac pacemaker and atrioventricular conduction physiology in Xenopus laevis using noninvasive imaging. Am J Physiol Heart Circ Physiol 286: H2035– H2041, 2004; 10.1152/ajpheart.00807.2003.—Congenital heart defects often include altered conduction as well as morphological changes. Model org...

UNLABELLED Ranaviruses (Iridoviridae) are posing an increasing threat to amphibian populations, with anuran tadpoles being particularly susceptible to these viral infections. Moreover, amphibians are the most basal phylogenetic class of vertebrates known to possess both type I and type III interferon (IFN)-mediated immunity. Moreover, little is known regarding the respective roles of the IFN me...