Colonizing Ability of Pseudomonas fluorescens 2112, Among Collections of 2,4-Diacetylphloroglucinol-Producing Pseudomonas fluorescens spp. in Pea Rhizosphere

Title
Colonizing Ability of Pseudomonas fluorescens 2112, Among Collections of 2,4-Diacetylphloroglucinol-Producing Pseudomonas fluorescens spp. in Pea Rhizosphere
Author(s)
김상달Leonardo De La Fuent[Leonardo De La Fuent]David M. Weller[David M. Weller]Linda S. Thomashow[Linda S. Thomashow]
Keywords
POPULATION-DYNAMICS; COLONIZATION; BACTERIA; STRAINS; WHEAT; GENOTYPES; ROOTS
Issue Date
201206
Publisher
KOREAN SOC MICROBIOLOGY & BIOTECHNOLOGY
Citation
JOURNAL OF MICROBIOLOGY AND BIOTECHNOLOGY, v.22, no.6, pp.763 - 770
Abstract
Pseudomonas fluorescens 2112, isolated in Korea as an indigenous antagonistic bacteria, can produce 2,4-diacetylphloroglucinol (2,4-DAPG) and the siderophore pyoveridin(2112) for the control of phytophthora blight of red-pepper. P fluorescens 2112 was classified into a new genotype C among the 17 genotypes of 2,4-DAPG producers, by phID restriction fragment length polymorphism (RFLP). The colonizing ability of P fluorescens 2112 in pea rhizosphere was equal to the well-known pea colonizers, P fluorescens Q8rl (genotype D) and MVP1-4 (genotype P), after 6 cycling cultivations for 18 weeks. Four tested 2,4-DAPG-producing Pseudomonas spp. could colonize with about a 96% dominance ratio against total bacteria in pea rhizosphere. The strain P fluorescens 2112 was as good a colonizer as other Pseudomonas spp. genotypes in pea plant growth-promoting rhizobacteria.
URI
http://hdl.handle.net/YU.REPOSITORY/28008http://dx.doi.org/10.4014/jmb.1112.12039
ISSN
1017-7825
Appears in Collections:
생명공학부 > 생명공학부 > Articles
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