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동해안 사구로부터 Auxin을 생산하는 Bacillus cereus A-139의 분리 및 그 특성

Isolation and Characterization of Bacillus cereus A-139 Producing Auxin from East Coast Sand Dunes

  • 소재현 (경북대학교 농업생명과학대학 응용생명과학부) ;
  • 김덕진 (경북대학교 농업생명과학대학 응용생명과학부) ;
  • 신재호 (경북대학교 농업생명과학대학 응용생명과학부) ;
  • 유춘발 (대구대학교 식품공학과) ;
  • 이인구 (경북대학교 농업생명과학대학 응용생명과학부)
  • So, Jai-Hyun (School of Applied Biosciences, Kyungpook National University) ;
  • Kim, Duk-Jin (School of Applied Biosciences, Kyungpook National University) ;
  • Shin, Jae-Ho (School of Applied Biosciences, Kyungpook National University) ;
  • Yu, Choon-Bal (Department of Food Science and Engineering, Daegu University) ;
  • Rhee, In-Koo (School of Applied Biosciences, Kyungpook National University)
  • 발행 : 2009.12.30

초록

A bacterium, which was named to be Bacillus cereus A-139, secreting auxin was isolated from the east coast sand dunes in Korea. The secretion of auxin was confirmed by HPLC. When cultured in LB broth, Bacillus cereus A-139 produced $16.12\;{\mu}$g/mL auxin after 8 days in LB broth. Bacillus cereus A-139 produced $49\;{\mu}$g/mL auxin and $162.6\;{\mu}$g/mL by the addition of 2% tryptone and 0.1% tryptophan, respectively. The root growth of Arabidopsis thaliana was retarded by Bacillus cereus A-139 culture broth up to 57% but the formation of lateral roots was increased up to almost twice after 4 days incubation. Also the formation of lateral roots of mung bean was increased up to 57% after 10 days incubation.

키워드

참고문헌

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피인용 문헌

  1. Plant Growth-promoting Ability by the Newly Isolated Bacterium Bacillus aerius MH1RS1 from Indigenous Plant in Sand Dune vol.35, pp.10, 2013, https://doi.org/10.4491/KSEE.2013.35.10.687
  2. Vegetation restoration and prevention of coastal sand dunes erosion using ion exchange resins and the plant growth-promoting rhizobacteria Bacillus sp. SH1RP8 isolated from indigenous plants vol.95, 2014, https://doi.org/10.1016/j.ibiod.2014.05.026
  3. Isolation and Characterization of the Plant Growth Promoting Rhizobacterium, Arthrobacter scleromae SYE-3 on the Yam Growth vol.31, pp.1, 2016, https://doi.org/10.7841/ksbbj.2016.31.1.58
  4. Optimization of Indole-3-acetic Acid (IAA) Production by Bacillus megaterium BM5 vol.49, pp.5, 2016, https://doi.org/10.7745/KJSSF.2016.49.5.461