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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국미생물생명공학회 Journal of Microbiology and Biotechnology Journal of Microbiology and Biotechnology 제20권 제9호
- 발행연도
- 2010.1
- 수록면
- 1,259 - 1,265 (7page)
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The filamentous cyanobacterium Arthrospira platensis strain MMG-9 was isolated from a rice field. The ability of this strain to synthesize the bioactive compound indole-3-acetic acid (IAA) was demonstrated. IAA was extracted from the culture of A. platensis strain MMG-9 and its identity was confirmed by thin-layer chromatography (TLC)as well as by high-performance liquid chromatography (HPLC). The IAA precursor L-tryptophan was required for IAA biosynthesis. Released IAA increased with the increase of the initial concentration of L-tryptophan in the medium and with the incubation time. A. platensis strain MMG-9 accumulated more IAA than it released into the medium. The bioactivity of the secreted IAA was shown by its effect on the formation of roots by Pisum sativum.
There was a significant positive effect of the supernatant of cultures of A. platensis strain MMG-9 on the number of lateral roots of P. sativum, whereas a negative effect on root length was observed.
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참고문헌 (25)
참고문헌 신청
Ahmad, F / 2005 / Indole acetic acid production by the indigenous isolates of Azotobacter and fluorescent Pseudomonas in the presence and absence of tryptophan / Turk. J. Bio
Altschul, S. F / 1997 / Gapped BLAST and PSI-BLAST: A new generation of protein database search programs / Nucleic Acids Res 25 : 3389 ~ 3402
Barazani, O / 1999 / Is IAA the major root growth factor secreted from plant-growth-mediating bacteria? / J. Chem. Ecol 25 : 2397 ~ 2406
Callis, J / 2005 / Plant biology: Auxin action / Nature 435 : 436 ~ 437
Christiansen-Weniger, C / 1998 / Endophytic establishment of diazotrophic bacteria in auxin-induced tumors of cereal crops / Crit. Rev. Plant Sci 17 : 55 ~ 76
Altschul, S. F / 1997 / Gapped BLAST and PSI-BLAST: A new generation of protein database search programs / Nucleic Acids Res 25 : 3389 ~ 3402
Barazani, O / 1999 / Is IAA the major root growth factor secreted from plant-growth-mediating bacteria? / J. Chem. Ecol 25 : 2397 ~ 2406
Callis, J / 2005 / Plant biology: Auxin action / Nature 435 : 436 ~ 437
Christiansen-Weniger, C / 1998 / Endophytic establishment of diazotrophic bacteria in auxin-induced tumors of cereal crops / Crit. Rev. Plant Sci 17 : 55 ~ 76
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