High-resolution nested model for the Lebanese coastal area, Eastern Mediterranean: implementation and climatological runs N. Kabbara, R. Sorgente, S. Natale, D. R. Hayes, and G. Zodiatis National Center for Marine Sciences, P.O. Box 189 Jounieh, Lebanon International Marine Center, Loc. Sa Mardini Torregrande ORISTANO, CAP 09170, Italy Oceanography Centre, University of Cyprus, P.O. Box 20537, ...

The architecture of the varicella-zoster virus (VZV) origin of DNA replication (OriS) differs significantly from that of the herpes simplex virus (HSV) DNA replication origin. Novel aspects of the VZV OriS include a GA-rich region, three binding sites for the VZV origin-binding protein (OBP) all on the same strand and oriented in the same direction, and a partial OBP binding site of unknown fun...

The Maximum Independent Set problem in d-box graphs, i.e., in intersection graphs of axis-parallel rectangles in Rd, is known to be NP-hard for any fixed d ≥ 2. A challenging open problem is, how close the solution can be approximated by a polynomial time algorithm. For the restricted case of d-boxes with bounded aspect ratio a PTAS exists [12]. In general case no polynomial time algorithm with...

Christian J. Janzen a,1, Frederick van Deursen b,1, Huafang Shi c, George A.M. Cross a, Keith R. Matthews b, Elisabetta Ullu c,d,∗ a Laboratory of Molecular Parasitology, The Rockefeller University, Box 185, 1230 York Avenue, New York, NY 10021-6399, USA b Institute of Immunology and Infection Research, School of Biological Sciences, University of Edinburgh, West Mains Road, Edinburgh, EH9 3JT,...

Let .s4 = {Al, ... 'An} be a family of sets. The elements X, y E u~=l Ai are called equivalent if for every i, 1:::;; i :::;; n, x E Ai if and only if y E Ai. The equivalence classes are called the atoms of the family d. Rado asked in [ 4] the following question: what is the maximum number f(n, d) of atoms, where the maximum is taken over families of n boxes in the d-dimensional Euclidean space...

Small nucleolar RNAs (snoRNAs) are a large family of eukaryotic RNAs that function within the nucleolus in the biogenesis of ribosomes. One major class of snoRNAs is the box C/D snoRNAs named for their conserved box C and box D sequence elements. We have investigated the involvement of cis-acting sequences and intranuclear structures in the localization of box C/D snoRNAs to the nucleolus by as...

One of the major cipher symmetric algorithms is AES. Its main feature is to use S-BOX step, which is the only non-linear part of this standard possessing fixed structure. During the previous studies, it was shown that AES standard security was increased by changing the design concepts of S-BOX and production of dynamic S-BOX. In this paper, a change of AES standard security is studied by produc...

Ribosomal RNA (rRNA) modifications are essential for ribosome function in all cellular organisms. Box C/D small (nucleolar) ribonucleoproteins [s(no)RNPs] catalyze 2'-O-methylation, one rRNA modification type in Eukarya and Archaea. Negatively stained electron microscopy (EM) models of archaeal box C/D sRNPs have demonstrated the dimeric sRNP (di-sRNP) architecture, which has been corroborated ...

Suppose that A is a subset of the box Q = Q(L1, . . . , Ld) := d ∏ i=1 {0, 1, . . . , Li − 1} with |A| = αL1 . . . Ld, where L1 > L2 > . . . > Ld > 1 are integers. We prove that if α > (d/Ld) 1/2