녹화중인 녹두 자엽의 엽록소-단백질 복합체 및 색소체막 단백질의 변화에 미치는 Spermine의 효과

Effects of Spermine on Changes in Chlorophyll-Protein Complexes and Plastic Membrane Proteins of Mung Bean Cotyledons during Greening

  • 홍정희 (부산대학교 자연과학대학 생물학과) ;
  • 박흥덕 (대구효성가톨릭대학교 사범대학 생물학과)
  • 발행 : 1995.10.01

초록

Spermine이 녹화중인 녹두자엽의 엽록소-단백질 복합체(CPs) 및 틸라코이드막 단백질의 변화에 미치는 효과를 조사하였다. 녹화가 진행됨에 따라 Cps형성이 촉진되었으며, 특히 광계의 엽록소-단백질(CP I)이 다량 추척되었다. 광수화 엽록소 단백질(LHCP)은 48시간의 초기 녹화과정에서 중요한 단백질로 나타났다.Spermine처리는 초기녹화과정에서 틸라코이드막의 CPs 축척에 효과적이었다. 색소체막 단백질은 녹화과정에서 많은 변화를 나타내었는데, 56kD단백질은 전 엽록체체서 다량 관찰되었꼬 24kD 단백질은 전 처리구에서 뚜렷한 증가를 보여주었다.Spermine처리에 의해 틸라코이드막 단백질 형성은 대조구에 비해 다소 증가되었다. 이러한 결과들로부터 spermine은 녹화과정에서 색소체의 발달과 색소체막의 안정화에 중요한 작용을 하는 것으로 생각된다.

키워드

mung bean cotyledon;chlorophyll-protein complex;plastid membrane protein;spermine;greening

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