1887

Abstract

SUMMARY: Thirteen strains previously assigned to the species and were subjected to detailed characterization. Ten of these strains could be identified as and two as . These two species can be readily distinguished by differences in their nutritional spectra, their growth factor requirements and their pigmentation. The DNA of the two strains of contained 65.8 moles% guanine+cytosine (GC), and the DNA of the ten strains of from 66.3 to 67.3 moles%. One of the 13 strains examined had DNA of significantly lower GC content (62.2 moles%) and also differed in several phenotypic respects from both species; it is probably a monotypic representative of a third species, as yet unnamed.

All the strains examined share a series of distinctive properties, which justify their recognition as a special subgroup of aerobic pseudomonads. The defining characters of this subgroup include: monotrichous flagellation, with flagella of very short wavelength; a requirement for pantothenate, biotin and cyanocobalamin; a limited range of carbon sources; production of acid from primary alcohols by all strains that can utilize alcohols; inability to denitrify or to use nitrate as a nitrogen source; and accumulation of poly-β-hydroxybutyrate as an intracellular reserve.

Loading

Article metrics loading...

/content/journal/micro/10.1099/00221287-53-3-349
1968-10-01
2024-12-10
Loading full text...

Full text loading...

/deliver/fulltext/micro/53/3/mic-53-3-349.html?itemId=/content/journal/micro/10.1099/00221287-53-3-349&mimeType=html&fmt=ahah

References

  1. Alexopoulocs C. J. 1960; Gross morphology of the plasmodium and its possible significance in the relationships among the Myxomycetes.. Mycologia 52:1
    [Google Scholar]
  2. Alexopoulocs C. J. 1963; The Myxomycetes. II.. Bot. Rev 29:1
    [Google Scholar]
  3. Alexopoulocs C. J. 1966; Morphogenesis in the Myxomycetes.. The Fungi Ed. by Ainsworth G. C., Sussman A. S. 2211 New York: Academic Press.;
    [Google Scholar]
  4. Alexopoulocs C. J. 1967; Taxonomic studies in the Myxomycetes. I. The genus Macbrideola.. Mycologia 59:103
    [Google Scholar]
  5. Collins O. R. 1961; Heterothallism and homothallism in two Myxomycetes.. Am. J. Bot 48:674
    [Google Scholar]
  6. Collins O. R. 1962; Mating types in the slime mold Physarum pusillum.. (Abstr.) Am. J. Bot 49:659
    [Google Scholar]
  7. Collins O. R . 1963; Multiple alleles at the incompatibility locus in the Myxomycete Didymiumiridis.. Am. J. Bot 50:477
    [Google Scholar]
  8. Collins O. R. 1965; Homothallic behaviour in two Costa Rican isolates of the slime mold Didymium iridis.. (Abstr.) Am. J. Bot 52:634
    [Google Scholar]
  9. Dee J. 1960; A mating-type system in an acellular slime mould.. Nature, Lond 185:780
    [Google Scholar]
  10. Dee J. 1966; Multiple alleles and other factors affecting plasmodium formation in the true slime mold Physarum polycephalum.. Schw. J. Protozool 13:610
    [Google Scholar]
  11. Henneym M. R. 1966 The mating type systems in the myxomycete Physarum flavicomum and in theascomycete Anixiopsis stercoraria Ph.D. dissertation: University of Texas, Austin.;
    [Google Scholar]
  12. Henneym M. R. 1967; The mating type system of the Myxomycete Physarum flavicomum.. Mycologia 59:637
    [Google Scholar]
  13. Henneyh H. R., Henneym M. R. 1968; Nutritional requirements for the growth in pure cultureof the Myxomycete Physarum rigidum and related species.. J. gen. Microbiol 53:333
    [Google Scholar]
  14. Kerrm M. D., Sussmanm M. 1958; Clonal development of the true slime mold, Didymium nigripes.. J. gen. Microbiol 19:173
    [Google Scholar]
  15. Lister A. L. 1925 A Monograph ofthe Mycetozoa 3rd ed., revised by Lister G. London: British Museum (Nat. Hist.).;
    [Google Scholar]
  16. Macbride T., Marting G. W. 1934 The Myxomycetes New York: Macmillan Co.;
    [Google Scholar]
  17. Martin G. W. 1949; The Myxomycetes.. N. Am. Flora i1 New York: New York Botanical Garden.;
    [Google Scholar]
  18. von Stosch H. A. 1935; Untersuchungen iiber die Entwicklungsgeschichte der Myxomyceten. Sexualitiit und Apogamie bei Didymiaceen.. Planta 23:623
    [Google Scholar]
  19. Wollman C. 1966 Cultural studies of selected species of Myxomycetes Ph.D. dissertation: University of Texas, Austin.;
    [Google Scholar]
/content/journal/micro/10.1099/00221287-53-3-349
Loading
/content/journal/micro/10.1099/00221287-53-3-349
Loading

Data & Media loading...

This is a required field
Please enter a valid email address
Approval was a Success
Invalid data
An Error Occurred
Approval was partially successful, following selected items could not be processed due to error