Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: EC:6.3.4.6 (urease)
 7,490 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The study using the urease test on mucous biopsies from the antral gastric part and from the duodenum of patients with chronic opisthorchiasis with endoscopic evidence of antral gastritis and gastroduodenitis, and from noninvaded patients with gastritis and duodenitis, some of them with the gastric or duodenal ulcers showed that the test was positive. The test was negative in both groups of patients when the mucosa of the gastric body was examined as well as in those without gastroduodenal pathology. It is supposed that in the both groups of patients gastroduodenal pathology was provoked by the colonization of the gastric and duodenal mucosa by gastric campylobacteria.
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PMID:[The pathogenesis of stomach and duodenal involvement in chronic opisthorchiasis. 1. The urease test]. 175 56

Opisthorchis felineus, a hepatic trematode, is the causative agent of opisthorchiasis, a dangerous disease in both human beings and animals. Opisthorchiasis is widespread in Russia, especially Western Siberia. The purpose of the present study was to determine the complete mitochondrial DNA sequence of this flatworm. Two parallel methods were employed: (1) capillary electrophoresis to sequence the mitochondrial genome fragments obtained through specific PCR amplification, and (2) high throughput sequencing of the DNA sample. Both methods made possible the determination of the complete nucleotide sequence of the O. felineus mitochondrial genome. The genome consists of a ring molecule 14,277 nt in length that contains 35 genes coding 2 rRNA, 22 tRNA, and 12 proteins: 3 subunits of cytochrome-C-oxidase, 7 subunits of NADH-dehydrogenase, B apocytochrome, and subunit 6 of ATP-synthetase.Like many other flatworms, O. felineus is characterized by the absence of the ATP-synthetase subunit 8 gene. Nineteen out of the 22 tRNAs have a typical "clover leaf" structure. The tRNA(AGC) and tRNA-Cys genes lack DHU-loops, while the tRNA-Ser(UCA) has 2 alternative structures: one with a DHU-loop, and one without it. Analyzing the results obtained from the high throughput sequencing revealed 45 single-nucleotide polymorphisms within the mitochondrial genome. The results obtained in this study may be used in the development of molecular diagnostic methods for opisthorchiasis. This study shows that high throughput sequencing is a fast and effective method for decoding the mitochondrial genome of animals.
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PMID:Complete Sequencing of the Mitochondrial Genome of Opisthorchis felineus, Causative Agent of Opisthorchiasis. 2264 93