Editor Associate Editors H. Joseph Newton Nicholas J. Cox, University of Durham Department of Statistics Francis X. Diebold, University of Pennsylvania Texas A & M University Joanne M. Garrett, University of North Carolina College Station, Texas 77843 Marcello Pagano, Harvard School of Public Health 409-845-3142 J. Patrick Royston, Imperial College School of Medicine 409-845-3144 FAX stb@stata....

We study the gauge transformations between the supersymmetric AKNS (sAKNS) and supersymmetric two-boson (sTB) hierarchies. The Hamiltonian nature of these gauge transformations is investigated, which turns out to be canonical. We also obtain the Darboux-Bäcklund transformations for the sAKNS hierarchy from these gauge transformations.

Enterotoxigenic Escherichia coli (ETEC) strains were readily identified in pure and mixed cultures with nonradioactive, digoxigenin-labeled DNA probes coding for heat-labile (LTI) and heat-stable (STaI, STaII, and STb) enterotoxins. Digoxigenin-labeled ETEC fragments were more sensitive than and exhibited less nonspecific background contamination than biotinylated ETEC probes.

Septoria tritici blotch (STB), caused by the fungus Zymoseptoria tritici, is currently main threat to worldwide wheat production in temperate climates. Understanding genetic mechanisms that underpin Z. tritici–wheat interaction will be crucial for generating new control strategies against STB. Plant hormones are essential regulators of growth and immunity. In particular, jasmonic acid (JA) play...

Septoria tritici blotch (STB), caused by Zymoseptoria tritici, is one of the most important foliar wheat diseases worldwide. Current control strategies STB rely mainly on fungicides, whereby triazoles (demethylation inhibitors; DMIs) have been backbone in Z. last decades. However, recent years a gradual loss sensitivity to several active ingredients triazole group has reported European wheat-gr...

OBJECTIVES To investigate the composition and the microstructural and mechanical characterization of three different types of lingual brackets. MATERIALS AND METHODS Incognito™ (3M Unitek), In-Ovation L (DENTSPLY GAC) and STb™ (Light Lingual System, ORMCO) lingual brackets were studied under the scanning electron microscope employing backscattered electron imaging and their elemental composit...

OBJECTIVE We evaluated the effects of tooth displacement on frictional force when conventional ligating lingual brackets (CL-LBs), CL-LBs with a narrow bracket width, and self-ligating lingual brackets (SL-LBs) were used with initial leveling and alignment wires. METHODS CL-LBs (7th Generation), CL-LBs with a narrow bracket width (STb), and SL-LBs (In-Ovation L) were tested under three tooth ...

BACKGROUND PE and PE_PGRS are two mycobateria-restricted multigene families encoding membrane associated and secreted proteins that have expanded mainly in the pathogenic species, notably the Mycobacterium tuberculosis complex (MTBC). Several lines of evidence attribute to PE and PE_PGRS genes critical roles in mycobacterial pathogenicity. To get more insight into the nature of these genes, we ...

Les tumeurs cardiaques foetales sont rares, la plupart benignes dont les rhabdomyomes plus frequents , il est souvent de bon pronostic mais ils peuvent entrainer des complications graves, notamment arythmies, lanasarquefoetalvoir même mort foetal in utero . êtresoit unique ou multiple multiples associes a sclerose tubereuse Bourneville (STB) Nous rapportons un cas decouvert au cours grossesse...