Selective medium for isolation of Xanthomonas maltophilia from soil and rhizosphere environments

Author:

Juhnke M E1,des Jardin E1

Affiliation:

1. Fort Lauderdale Research and Education Center, University of Florida 33314.

Abstract

A selective medium (XMSM) was developed for isolation of Xanthomonas maltophilia from bulk soil and plant rhizosphere environments. The XMSM basal medium contained maltose, tryptone, bromthymol blue, and agar. Antibiotics added to select for X. maltophilia were cycloheximide, nystatin, cephalexin, bacitracin, penicillin G, novobiocin, neomycin sulfate, and tobramycin. A comparison was made between XMSM and 1/10-strength tryptic soy broth agar for recovery of X. maltophilia from sterile and nonsterile soil infested with known X. maltophilia isolates. A recovery rate of 97% or greater for XMSM was demonstrated. XMSM was used to isolate X. maltophilia from a variety of soil and rhizosphere environments.

Publisher

American Society for Microbiology

Subject

Ecology,Applied Microbiology and Biotechnology,Food Science,Biotechnology

Reference14 articles.

1. Presence de Pseuidomonas maltophilia dans la rhizosphere de guelques plantes cultivees;Debette J.;Can. J. Microbiol.,1980

2. Increased growth response of plants induced by rhizobacteria antagonistic to soilborne pathogenic fungi;Elad Y.;Plant Soil,1987

3. Hugh R. and G. L. Gilardi. 1980. Pseudomonas p. 288-317. In A. Balows W. J. Hausler Jr. and J. P. Truant (ed.) Manual of clinical microbiology 3rd ed. American Society for Microbiology Washington D.C.

4. Pseudomonas maltophilia, an Alcaligenes-like species;Hugh R.;J. Gen. Microbiol.,1961

5. Identification and characterization of rhizosphere-competent bacteria of wheat;Juhnke M. E.;Appl. Environ. Microbiol.,1987

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