The Korean Journal of Mycology (한국균학회지)

The Korean Society of Mycology (한국균학회)
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An Antibacterial Lectin from Lampteromyces japonicus

화경버섯의 항세균성 렉틴

  • Yoon, Joo-Ok (Department of Food Science and Technology, Dongguk University) ;
  • Min, Tae-Jin (Department of Chemistry, Dongguk University) ;
  • Yoon, Hee-Sik (Department of Biology, Yonsei University)
  • Published : 1995.03.30
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Abstract

A lectin was isolated from the fruiting bodies of Lampteromyces japonicus by preparative PAGE and named LJAP (Lampteromyces japonicus antibacterial protein). LJAP was a polymeric protein of more than one hundred kDa consisting of 17-kDa subunits. The amino acid analysis revealed a high content of serine, glycine, and acidic amino acids. LJAP has an excellent antibacterial activity for Escherichia coli, JM 109, K 12, HB 101, and JW 380. By the inhibition assay of the antibacterial activity, a glycoprotein, asialofetuin was confirmed as the best inhibitor. This is the first lectin isolated and characterized its antibacterial and agglutination activities from the family Lampteromyces.

화경버섯의 자실체로부터 PAGE로 한 렉틴을 정제하고, LJAP(Lampteromyces japonicus antibacterial protein)라 이름 붙였다. LJAP는 17-kDa의 서브유닛트가 모여서 된 백 kDa이 넘는 회합 단백질이였다. 이 단백질은 아미노산 분석결과 세린, 글리신, 산성 아미노산의 함량이 높았다. LJAP는 대장균중 특히 JM 109, K 12, HB 101, JW 380에 대한 항세균작용이 뛰어났다. 한편, 항세균활성은 당단백질인 asialofetuin에 의하여 크게 억제되었다. 본 당단백질은 화경버섯에서 처음으로 얻어진 항세균활성과 적혈구 응집활성을 가진 렉틴이다.

Keywords

References

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