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Spiroplasma citri gen. and sp. n.: A Mycoplasma-Like Organism Associated with “Stubborn” Disease of Citrus
TLDR
The studies reported here show that the two organisms recovered from “S tubborn”-affected citrus plants comprise a single serological group and that they are serologically distinct from recognized Mycoplasma and A choleplasma species in the order Mycplmmatales. Expand
ULTRASTRUCTURE OF MYCOPLASMA SPECIES
TLDR
The ultrastructure of 19 strains (15 species) of Mycoplasmatales grown on solid medium was studied with the aid of an electron microscope and dense inclusions sometimes limited by triple-layered membranes, as well as membrane-surrounded vesicles, were observed in the cytoplasm of cells of some strains. Expand
The classification and nomenclature of organisms of the pleuropneumonia group.
TLDR
It is hoped that the proposals made will provide a basis for discussion among those interested in this group of organisms, and will lead to the adoption of a nomenclature which commands general agreement, and that the study of strains of pleuropneumonia-like organisms may be stimulated by the establishment of named species. Expand
PRINCIPLES OF MYCOPLASMA CLASSIFICATION
TLDR
The rapidly expanding development in recent years of the study of the molecular biology of the nucleic acids does, in fact, signify an exciting new approach to microbial taxonomy along these lines, based as it is on the genetic constitution of the organisms. Expand
Exclusive occurrence of an extracellular protease capable of cleaving the hinge region of human immunoglobulin A1 in strains of Ureaplasma urealyticum.
TLDR
The ability to cause specific cleavage of human IgA1 in the hinge region resulting in intact Fab and Fc fragments was exclusively associated with strains of U. urealyticum, suggesting this trait may be used as a valuable differential characteristic of the mycoplasmas of various origin. Expand
IMPORTANCE OF EXTENSION AND STANDARDIZATION OF LABORATORY TESTS FOR THE IDENTIFICATION AND CLASSIFICATION OF MYCOPLASMA
TLDR
The present methods for identification of mycoplasma species are based upon the criteria developed and tested by EdwardSs4 and Freundt and are based on the scheme agreed upon by these two workers. Expand
Morphology and Ultrastructure of Human T-Mycoplasmas
TLDR
Four serologically distinct human T-mycoplasmas grown in liquid medium were studied in the electron microscope after ultrathin sectioning and negative staining, finding that an electron-dense layer consisting of radiating hairlike structures was consistently present within the cells. Expand
A Note on the Taxonomic Status of Strains Like 'Campo', Hitherto Classified as Mycoplasma hominis, Type 2.
SUMMARY: The classification of strains similar to Mycoplasma strain PG 27 of ‘Campo’ as Mycoplasma hominis Type 2 should be withdrawn. These strains have now been identified as M. arthritidis.
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