담수식물 뿌리로부터 세균의 분리

Isolation of Bacteria from Freshwater Plant Roots

  • 김영희 (동의대학교 미생물학과, 동의대학교 기초과학연구소)
  • 발행 : 1999.10.01

초록

The isolation and identification of bacteria from freshwater plant root system were performed. Twenty four different strains were identified by microbiological identification system. Gram negative bacteria were isolated three times more than Gram positive ones. The ratio of rod and coccus was 11:1. The similarity above 0.5 was 37.5% from the tested samples in identification. Among these isolated bacteria, three dominant strains Pseudomonas cepacia JH10, Xanthomonas maltophilia JH12, Aeromonas salmonicida JH13 were selected to investigate biochemical properties and optimal growth conditions. These strains reached maximum growth after 24-36 hr of incubation in peptone broth, and their optimal temperature was 28$^{\circ}C$ and that of pH was between 7 and 8.

키워드

참고문헌

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