Identification of FM001 as Plant Growth-Promoting Substance from Acremonium strictum MJN1 Culture

  • JUNG, JAE-HAN (Department of Biological Science, MyongJi University) ;
  • DONG-MIN SHIN (Department of Biological Science, MyongJi University) ;
  • WOO-CHUL BAE (Central Research Institute, Il-Yang Pharm. Co.) ;
  • SOON-KWANG HONG (Department of Biological Science, MyongJi University) ;
  • JOO-WON SUH (Department of Biological Science, MyongJi University) ;
  • SANGHO KOO (Department of Chemistry, MyongJi University) ;
  • BYEONG-CHUL JEONG (Department of Biological Science, MyongJi University)
  • Published : 2002.04.01

Abstract

A plant growth-promoting substance, FM001, was isolated from the culture broth of Acremonium strictum MJN1. The purification steps included solvent extraction, adsorption chromatography using Diaion HP20, TLC on silica, and HLPC using a C-18 column. The purified FM001 enhanced rice seedling growth by $11.1\%\;and\;34.0\%$ of the dried weight of the shoots and roots, and also radish growth by $26.5\%\;and\;23.7\%$ of the top length and dried weight. FM001 also significantly promoted the growth of red pepper by increasing $32.7\%$ of fruit weight and $11.3\%$ as regards the height. FM001 consisted of C, H, O, N, and S, and its molecular weight was determined to be 537.78 Da. The structure of FM001 resembled brassinosteriods, and it would appear to have great potential as an effective bio-fertilizer.

Keywords

References

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