Background: Previous studies have shown that Helicobacter pylori infection (HPI) is related to a reduced risk of esophageal adenocarcinoma (EAC) by unknown biological mechanisms. It is hypothesized that EAC and HPI have strong genetic associations. Methods: An integrated analysis, using large-scale ResNet relation data and gene expression data for HPI and EAC, to identify potential EAC risk gen...

We have synthesized a novel class of imidazole-based excited-state intramolecular proton-transfer (ESIPT) materials, i.e., hydroxy-substituted tetraphenylimidazole (HPI) and its derivative HPI-Ac, which formed large single crystals exhibiting intense blue fluorescence and amplified spontaneous emission (ASE). Transparent, clear, and well-defined fluorescent single crystals of HPI-Ac as large as...

†Background and Aims In complex communities, organisms often form mutualisms with multiple different partners simultaneously. Non-additive effects may emerge among species linked by these positive interactions. Ants commonly participate in mutualisms with both honeydew-producing insects (HPI) and their extrafloral nectary (EFN)-bearing host plants. Consequently, HPI and EFN-bearing plants may e...

The Yersinia high-pathogenicity island (HPI) encodes an iron uptake system mediated by the siderophore yersiniabactin (Ybt) and confers the virulence of highly pathogenic Yersinia species. This HPI is also widely distributed in human pathogenic members of the family of Enterobacteriaceae, above all in extraintestinal pathogenic Escherichia coli (ExPEC). In the present study we demonstrate a hig...

The key of success of extraintestinal pathogenic Escherichia coli (ExPEC) to colonize niches outside the intestinal tract and to establish infection is the coordinated action of numerous virulence and fitness factors. The so-called high-pathogenicity island (HPI), responsible for synthesis, secretion and uptake of the siderophore yersiniabactin, proved to be an important virulence determinant. ...

The poliovirus (PV)-induced cytopathic effect (CPE) was blocked in neural cells but not in HeLa cells by the addition of monoclonal antibody (MAb) against PV or the human PV receptor (CD155) 2 h postinfection (hpi). Since each MAb has the ability to block viral infection, no CPE in PV-infected neural cells appeared to result from the blockade of multiple rounds of viral replication. Pulse-label...

There are two classifications of hereditary hyperprolinemia: type I (HPI) and type II (HPII). Each type is caused by an autosomal recessive inborn error of the proline metabolic pathway. HPI is caused by an abnormality in the proline-oxidizing enzyme (POX). HPII is caused by a deficiency of Δ-1-pyrroline-5-carboxylate (P5C) dehydrogenase (P5CDh). The clinical features of HPI are unclear. Nephro...

Hirsutella rhossiliensis and H. minnesotensis are endoparasitic fungi of the second-stage juvenile (J2) of the soybean cyst nematode (Heterodera glycines) in nature. They also parasitize both H. glycines J2 and Caenorhabditis elegans on agar plates. Agrobacterium tumefaciens-mediated transformation conditions were established for these Hirsutella spp. The resulting transformants were similar to...

We have combined high-resolution atomic force microscopy (AFM) imaging and force spectroscopy to gain insight into the interaction forces between the individual protomers of the hexagonally packed intermediate (HPI) layer of Deinococcus radiodurans. After imaging the HPI layer, the AFM stylus was attached to individual protomers by enforced stylus-sample contact to allow force spectroscopy expe...

This study was designed to investigate the dynamics of the paternal genome demethylation in pronuclear-stage bovine zygotes produced either by in vitro fertilization (IVF) or intracytoplasmic sperm injection (ICSI) using freeze-thawed (FT) as well as freeze-dried (FD) bull sperm stored at +4 or -196 C for one year. Zygotes were fixed and immunostained using anti-5-methyl-cytosin at 8, 10, 14 an...