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Possible Role of Xanthobaccins Produced by Stenotrophomonas sp. Strain SB-K88 in Suppression of Sugar Beet Damping-Off Disease

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Nakayama, Takato, Homma, Yoshihisa, Hashidoko, Yasuyuki, Mizutani, Junya, Tahara, Satoshi·1999·Applied and Environmental Microbiology

Abstract

Three antifungal compounds, designated xanthobaccins A, B, and C, were isolated from the culture fluid of Stenotrophomonas sp. strain SB-K88, a rhizobacterium of sugar beet that suppresses damping-off disease. Production of xanthobaccin A in culture media was compared with the disease suppression activities of strain SB-K88 and less suppressive strains that were obtained by subculturing. Strain SB-K88 was applied to sugar beet seeds, and production of xanthobaccin A in the rhizosphere of seedlings was confirmed by using a test tube culture system under hydroponic culture conditions; 3 μg of xanthobaccin A was detected in the rhizosphere on a per-plant basis. Direct application of purified xanthobaccin A to seeds suppressed damping-off disease in soil naturally infested by Pythium spp. We suggest that xanthobaccin A produced by strain SB-K88 plays a key role in suppression of sugar beet damping-off disease.

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Metadata

Authors
Nakayama, T., Homma, Y., Hashidoko, Y., Mizutani, J., & Tahara, S.
Venue
Applied and Environmental Microbiology
Published
1999-10
Volume
65
Issue
10
Pages
4334-4339
ISSN
  • 0099-2240 (ISSN-L)
  • 1098-5336
OpenAlex
W2172278232
Cited by
174
References
0
FWCI
4.60
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Possible Role of Xanthobaccins Produced by Stenotrophomonas sp. Strain SB-K88 in Suppression of Sugar Beet Damping-Off Disease. https://app.cochat.ai/papers/10.1128/aem.65.10.4334-4339.1999
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Nakayama, T., Homma, Y., Hashidoko, Y., Mizutani, J., & Tahara, S. (1999). Possible Role of Xanthobaccins Produced by Stenotrophomonas sp. Strain SB-K88 in Suppression of Sugar Beet Damping-Off Disease. Applied and Environmental Microbiology. https://doi.org/10.1128/aem.65.10.4334-4339.1999

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