JB
Home Help [Feedback] [For Subscribers] [Archive] [Search] [Contents]
This Article
Right arrow Full Text (PDF)
Right arrow Alert me when this article is cited
Right arrow Alert me if a correction is posted
Services
Right arrow Similar articles in this journal
Right arrow Similar articles in PubMed
Right arrow Alert me to new issues of the journal
Right arrow Download to citation manager
Right arrowReprints and Permissions
Right arrow Copyright Information
Right arrow Books from ASM Press
Right arrow MicrobeWorld
Citing Articles
Right arrow Citing Articles via HighWire
Right arrow Citing Articles via Google Scholar
Google Scholar
Right arrow Articles by Bartnicki-Garcia, S.
Right arrow Articles by Nickerson, W. J.
Right arrow Search for Related Content
PubMed
Right arrow PubMed Citation
Right arrow Articles by Bartnicki-Garcia, S.
Right arrow Articles by Nickerson, W. J.

 Previous Article  |  Next Article 

J Bacteriol. 1962 October; 84(4): 841-858
Copyright © 1962, The Williams & Wilkins Company. All Rights Reserved.

NUTRITION, GROWTH, AND MORPHOGENESIS OF MUCOR ROUXII

S. Bartnicki-Garcia1 and Walter J. Nickerson

a Institute of Microbiology, Rutgers, The State University, New Brunswick, New Jersey

ABSTRACT

BARTNICKI-GARCIA, S. (Rutgers, The State University, New Brunswick, N.J.) AND WALTER J. NICKERSON. Nutrition, growth, and morphogenesis of Mucor rouxii. J. Bacteriol. 84:841–858. 1962.—Mucor rouxii was grown under three different atmospheres of incubation: air, N2, and CO2 in parallel cultures. The atmosphere of incubation markedly affected nutritional requirements, growth, and morphogenesis. Absence of oxygen greatly reduced growth and increased the nutritional demands of the fungus. Presence of a high tension of CO2 resulted in a change from filamentous to yeastlike morphogenesis. Aerobically, a large variety of carbon sources was utilized; anaerobically, only hexoses served to meet requirements for carbon and energy. Aerobically, various amino acids supported abundant growth; anaerobically, they were poorly utilized. Ammonium and nitrate ions were better sources of nitrogen for anaerobic growth. In general, incubation under either air or N2 resulted in development of coenocytic filamentous mycelium, whereas incubation under CO2 resulted in development of budding yeastlike cells. Variations in temperature and time of incubation, inoculum size, type and concentration of carbon source, type of nitrogen source, and presence of various substances with known action on fungal morphogenesis altered growth in many cases, but did not significantly affect the patterns of vegetative morphogenesis conditioned by each atmosphere of incubation. However, vegetative morphogenesis was strongly affected by addition of certain chelating agents. Yeastlike development of M. rouxii was prevented by ethylene-diaminetetraacetic acid (EDTA) in concentrations which were also partially inhibitory for growth; under these conditions, development was filamentous. Chemically related chelating agents were similarly active. The growth-inhibitory and morphogenetic effects of EDTA were reversed by transition-group metal ions. Yeastlike development of M. subtilissimus, which does not require CO2 for its induction, was also inhibited by EDTA.

FOOTNOTES

1 Present address: Department of Plant Pathology, University of California, Riverside.

J Bacteriol. 1962 October; 84(4): 841-858
Copyright © 1962, The Williams & Wilkins Company. All Rights Reserved.



This article has been cited by other articles:



Home Help [Feedback] [For Subscribers] [Archive] [Search] [Contents]
Appl. Environ. Microbiol. Infect. Immun. Eukaryot. Cell
Mol. Cell. Biol. J. Virol. Microbiol. Mol. Biol. Rev.
ALL ASM JOURNALS

Copyright © 1962 by the American Society for Microbiology. All rights reserved.