Biology Faculty Articles

Title

On the Distribution and Characteristics of Isozyme Expression in Mycoplasma, Acholeplasma, and Ureaplasma Species

Document Type

Article

Publication Date

1983

Publication Title

Yale Journal of Biology and Medicine

ISSN

0044-0086

Volume

56

Issue/No.

5-6

First Page

701

Last Page

708

Abstract

A summary of a survey of three genera of mycoplasmatales (Mycoplasma, Acholeplasma, and Ureaplasma) for isozyme expression is presented. Isozyme analysis of mycoplasmas has been employed in at least three distinct areas: (1) as genetic markers for identification, individualization, and taxonomic classification; (2) as markers for cell culture contamination; and (3) as a qualitative measure of the operative metabolic pathways in the diverse species. We have found five ubiquitous enzymes: purine nucleoside phosphorylase, adenylate kinase, inorganic pyrophosphatase, dipeptidase, and esterase. Three enzymes, glucose-6-phosphate dehydrogenase, phosphogluconate dehydrogenase, and superoxide dismutase, were restricted to Acholeplasma species and were not detected in Mycoplasma or Ureaplasma. Four glycolytic enzymes, glucose phosphate isomerase, triose phosphate isomerase, glyceraldehyde-3-phosphate dehydrogenase, and lactate dehydrogenase, were restricted to those species of Mycoplasma and Acholeplasma capable of glucose fermentation. Two of these glycolytic enzymes, glucose phosphate isomerase and lactate dehydrogenase, were detected in serovars I and II of U. urealyticum, which is inconsistent with the non-glycolytic activity in this genus.

Comments

©1983 The Yale Journal of Biology and Medicine, Inc.

ORCID ID

0000-0001-7353-8301

ResearcherID

N-1726-2015

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