Effect of selected polysaccharide-producing soil bacteria on hyperhydricity control in oregano tissue cultures

Hyperhydricity, or vitrification, is a physiological malformation affecting tissue culture-generated plants. This malformation is associated with excessive hydration and poor lignification and results in poor regeneration of plants. We have tested hyperhydricity prevention in oregano by several nons...

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Bibliographic Details
Published in:Applied and Environmental Microbiology 1997-02, Vol.63 (2), p.767-770
Main Authors: Ueno, K. (University of Massachusetts, Amherst, MA.), Shetty, K
Format: Article
Language:English
Subjects:
Bacteria
Bacteriology
Biological and medical sciences
Biotechnology
CULTIVO DE TEJIDOS
CULTURE DE TISSU
Establishment of new cell lines, improvement of cultural methods, mass culture
Eukaryotic cell cultures
Flowers & plants
Fundamental and applied biological sciences. Psychology
Methods. Procedures. Technologies
Microbiology
ORIGANUM VULGARE
Pathogenicity, virulence, toxins, bacteriocins, pyrogens, host-bacteria relations, miscellaneous strains
Plant cells and fungal cells
PSEUDOMONAS
Soils
VITRIFICACION
VITRIFICATION
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Summary:Hyperhydricity, or vitrification, is a physiological malformation affecting tissue culture-generated plants. This malformation is associated with excessive hydration and poor lignification and results in poor regeneration of plants. We have tested hyperhydricity prevention in oregano by several nonspecific polysaccharide-producing rhizosphere bacteria. Among these bacteria, Pseudomonas mucidolens and another Pseudomonas sp. prevented hyperhydricity and improved acclimation of oregano clones. These two bacteria have more advantages for commercial applications than Pseudomonas strains isolated previously from oregano
ISSN:0099-2240
1098-5336
DOI:10.1128/AEM.63.2.767-770.1997