Disease control effect of strevertenes produced by Streptomyces psammoticus against tomato Fusarium wilt

Jeong Do Kim, Jae Woo Han, Sung Chul Lee, Dongho Lee, In Cheon Hwang, Beom Seok Kim

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

During screening of microorganisms producing antifungal metabolites, Streptomyces psammoticus strain KP1404 was isolated. The culture extract of this strain showed potent disease control efficacy against Fusarium wilt on tomato plants. The antifungal metabolites ST-1 and ST-2 were isolated from the culture extract using a variety of chromatographic procedures. On the basis of MS and NMR spectrometric analysis, the structures of the antifungal active compounds ST-1 and ST-2 were determined to be the polyene antibiotics strevertene A and strevertene B, respectively. In vitro, strevertenes A and B showed inhibitory effects against the mycelial growth of Alternaria mali, Aspergillus oryzae, Cylindrocarpon destructans, Colletotrichum orbiculare, Fusarium oxysporum f.sp. lycopersici, and Sclerotinia sclerotiorum, even at concentrations of 4-16 μg/mL. Fusarium wilt development on tomato plants was strongly retarded by treatment with 1 μg/mL of these strevertenes. The disease control efficacies of strevertenes on Fusarium wilt were as remarkable as that of benomyl.

Original languageEnglish
Pages (from-to)1893-1899
Number of pages7
JournalJournal of Agricultural and Food Chemistry
Volume59
Issue number5
DOIs
Publication statusPublished - 2011 Mar 9

Fingerprint

Streptomyces psammoticus
Disease control
Fusarium wilt
Fusarium
Streptomyces
Lycopersicon esculentum
Metabolites
disease control
Benomyl
tomatoes
Polyenes
Alternaria mali
Aspergillus
Iliyonectria radicicola
Microorganisms
Colletotrichum orbiculare
metabolites
Fusarium oxysporum f. sp. lycopersici
Screening
Aspergillus oryzae

Keywords

  • Fusarium oxysporum f.sp. lycopersici
  • Fusarium wilt
  • plant disease control agent
  • polyenes
  • Streptomyces psammoticus
  • strevertenes

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)
  • Chemistry(all)

Cite this

Disease control effect of strevertenes produced by Streptomyces psammoticus against tomato Fusarium wilt. / Kim, Jeong Do; Han, Jae Woo; Lee, Sung Chul; Lee, Dongho; Hwang, In Cheon; Kim, Beom Seok.

In: Journal of Agricultural and Food Chemistry, Vol. 59, No. 5, 09.03.2011, p. 1893-1899.

Research output: Contribution to journalArticle

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