scholarly journals A Replica Plating Technique for the Isolation of Nutritionally Exacting Mutants of a Filamentous Fungus (Aspergillus nidulans)

1959 ◽  
Vol 20 (3) ◽  
pp. 540-548 ◽  
Author(s):  
C. F. ROBERTS
1971 ◽  
Vol 17 (3) ◽  
pp. 279-281 ◽  
Author(s):  
Philippa J. Kaplan ◽  
D. Walls

SUMMARYThe problem of replica plating filamentous fungi such asCoprinus lagopusis overcome by inducing micro-colonies with sodium deoxycholate and using ‘Velcro’, a hooked material, to replace velveteen in the standard replica plating technique. ‘Velcro’ is advantageous in that it has a regular pattern of closely spaced hooks which transfer small inocula from the colonies on the master plate.


1965 ◽  
Vol 11 (4) ◽  
pp. 629-636 ◽  
Author(s):  
G. Stotzky

A replica plating method was developed to study ecology of microorganisms in soil. Precise placement of inocula and amendments at desired loci in sterile soil contained in petri plates were accomplished with a template. Subsequent growth and distribution of individual species, even when part of a mixed population, was measured by periodic transfer with an easily constructed replicator to agar plates of differing nutritional composition or containing selective inhibitors. The method is rapid and reproducible, and permits the study of many variables and interactions in a single soil plate; it can also be used with non-sterile soil and other suitable microbial habitats.


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