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Biomimetic dyes as affinity chromatography tools in enzyme purification 10.1016/S0021-9673(00)00577-X : Journal of Chromatography A | ScienceDirect.com
1. Biomimetic dyes: necessity and chance 2.
+ Author Affiliations A highly sensitive seminested PCR assay to detect Helicobacter pylori DNA in feces was developed. PCR with stool specimens and a novel antigen enzyme immunoassay (EIA) for H. pylori detection in feces were evaluated as diagnostic tools and in follow-up with samples from 63 infected and 37 noninfected persons. Infected individuals received eradication therapy followed by endoscopic follow-up 35 days after the start of treatment. At that time, a second stool specimen was obtained from 55 of these patients.
Detection of Helicobacter pylori in Stool Specimens by PCR and Antigen Enzyme Immunoassay
The 3,6-dideoxyhexoses, usually confined to the cell wall lipopolysaccharide of gram-negative bacteria, are essential to serological specificity and are formed via a complex biosynthetic pathway beginning with CDP-D-hexoses. In particular, the biosynthesis of CDP-ascarylose, one of the naturally occurring 3,6-dideoxyhexoses, consists of five enzymatic steps, with CDP-6-deoxy-delta 3,4-glucoseen reductase (E3) participating as the key enzyme in this catalysis. This enzyme has been previously purified from Yersinia pseudotuberculosis by an unusual procedure (protocol I) including a trypsin digestion step (O. Han, V.P. Miller, and H.-W.
CDP-6-deoxy-delta 3,4-glucoseen reductase from Yersinia pseudotuberculosis: enzyme purification and characterization of the cloned gene.
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Industrial Biotechnology | Bio Innovation
The acquisition, digestion, and assimilation of food is critical for the growth and survival of fish larvae; a fish larva either grows or it perishes. Fish larvae are characterized by digestive systems and diets that differ from adults. Larvae undergo a pattern of trophic ontogeny, changing diet with increasing size, and these changes result in differences in digestive requirements. At first feeding, the larval alimentary canal is functional, but is structurally and functionally less complex than that of adults.
Environmental Biology of Fishes, Volume 16, Numbers 1-3
Isolationand enumeration of aerobic bacterial flora in the gastrointestinal tract of nineculturable freshwater teleosts, namely catla, rohu, mrigal, silver carp, grasscarp, common carp, tilapia, walking catfish and murrel have been carried out.Amylolytic, cellulolytic, lipolytic and proteolytic microflora were identifiedfrom the culture plate using selective media. The isolates were qualitativelyscreened on the basis of their extracellular enzyme producing ability. Theselected strains were further quantitatively assayed for amylase, cellulase,lipase and protease activities.
Aquaculture International, Volume 10, Number 2
Ontogeny of the gastrointestinal tract of marine fish larvae 10.1016/S1532-0456(01)00274-5 : Comparative Biochemistry and Physiology Part C: Toxicology & Pharmacology | ScienceDirect.com
1. Introduction 2. Development of the gastrointestinal tract in three marine fish larvae species 3. Role of diet on the development of the gastrointestinal tract
