Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: EC:3.2.1.15 (pectinase)
 2,440 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The enzymes used in the identification of Gram negative bacteria belonging to the families of Enterobacteriaceae, Vibrionaceae, Parvobacteriaceae, Pseudomonadaceae and to the genera Alteromonas, Xanthomonas, Alkaligenes, Flavobacterium are classified arbitrarily by the author into enzymes essential for the diagnosis of the family (oxidase, nitratase), enzymes useful in the diagnosis of the genus or the species (ONPG-hydrolase, urease, oxidative desaminase, lysine decarboxylase and ornithine, arginine dihydrolase, thiosulphate reductase, pectinase), and into enzymes sought to confirm the diagnosis (tetrathionate reductase, gelatinase, lipase, DNase, amylase, beta-xylosidase, lecithinase). The technics permitting their identification are described and their distribution in the species and genera studied is reported.
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PMID:[Research technics of enzymes used in the diagnosis of gram negative bacteria (author's transl)]. 74 48

Five strains of gram-negative, yellow chromogenic bacilli were recovered from clinical specimens which fit the characteristics of the "lathyri-herbicola group" within the genus Erwinia. The strains were facultatively anaerobic, fermentative, anaerogenic bacilli with peritrichous flagella which grew at 37 C, reduced nitrate to nitrite, and failed to produce oxidase, pectinase, arginine dihydrolase, and decarboxylases for lysine and ornithine. Aggregations of bacteria (symplasmata) were observed in the syneresis water of slant cultures, and analogous granular aggregates and biconvex, spindle-shaped bodies developed in colonies on plate cultures. Awareness of these characteristics should result in more frequent identification of Erwinia species from human sources.
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PMID:Unusual fermentative, gram-negative bacilli isolated from clinical specimens. I. Characterization of Erwinia strains of the "lathyri-herbicola group". 545 36