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논문 기본 정보

자료유형
학술저널
저자정보
Khalmuratova, Irina (School of Life Sciences and Biotechnology, Institute for Microorganisms, Kyungpook National University) Kim, Hyun (School of Life Sciences and Biotechnology, Institute for Microorganisms, Kyungpook National University) Nam, Yoon-Jong (School of Life Sciences and Biotechnology, Institute for Microorganisms, Kyungpook National University) Oh, Yoosun (School of Life Sciences and Biotechnology, Institute for Microorganisms, Kyungpook National University) Jeong, Min-Ji (School of Life Sciences and Biotechnology, Institute for Microorganisms, Kyungpook National University) Choi, Hye-Rim (School of Life Sciences and Biotechnology, Institute for Microorganisms, Kyungpook National University) You, Young-Hyun (School of Life Sciences and Biotechnology, Institute for Microorganisms, Kyungpook National University) Choo, Yeon-Sik (Department of Biology, College of National Sciences, Kyungpook National University) Lee, In-Jung (School of Applied Biosciences, Kyungpook National University) Shin, Jae-Ho (School of Applied Biosciences, Kyungpook National University) Yoon, Hyeokjun (Biological and Genetic Resources Assessment Division,) Kim, Jong-Guk
저널정보
한국균학회 Mycobiology Mycobiology 제43권 제4호
발행연도
2015.1
수록면
373 - 383 (11page)

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Five halophytic plant species, Suaeda maritima, Limonium tetragonum, Suaeda australis, Phragmites australis, and Suaeda glauca Bunge, which are native to the Muan salt marsh of South Korea, were examined for fungal endophytes by sequencing the internal transcribed spacer (ITS) region containing ITS1, 5.8S rRNA, and ITS2. In total, 160 endophytic fungal strains were isolated and identified from the roots of the 5 plant species. Taxonomically, all 160 strains belonged to the phyla Ascomycota, Basidiomycota, and Zygomycota. The most dominant genus was Fusarium, followed by the genera Penicillium and Alternaria. Subsequently, using 5 statistical methods, the diversity indices of the endophytes were determined at genus level. Among these halophytic plants, P. australis was found to host the greatest diversity of endophytic fungi. Culture filtrates of endophytic fungi were treated to Waito-C rice seedlings for plant growth-promoting effects. The fungal strain Su-3-4-3 isolated from S. glauca Bunge provide the maximum plant length (20.1 cm) in comparison with wild-type Gibberella fujikuroi (19.6 cm). Consequently, chromatographic analysis of the culture filtrate of Su-3-4-3 showed the presence of physiologically active gibberellins, $GA_1$ (0.465 ng/mL), $GA_3$ (1.808 ng/mL) along with other physiologically inactive $GA_9$ (0.054 ng/mL) and $GA_{24}$ (0.044 ng/mL). The fungal isolate Su-3-4-3 was identified as Talaromyces pinophilus.
#Fungal endophytes #Genetic diversity #Gibberellin #Halophytic plants #Plant growth promotion #Salt marsh

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참고문헌 (32)

참고문헌 신청
Traut BH / 2005 / The role of coastal ecotones: a case study of the salt marsh/upland transition zone in California / J Ecol 93:279~290 google schola 김봉수 / 2004 / Remarkable Bacterial Diversity in the Tidal Flat Sediment as Revealed by16S rDNA Analysis / Journal of Microbiology and Biotechnology 14(1):205~211 google schola Lange M / 2014 / Biotic and abiotic properties mediating plant diversity effects on soil microbial communities in an experimental grassland / PLoS One 9:e96182 google schola Selim KA / 2012 / Biology of endophytic fungi / Curr Res Environ Appl Mycol 2:31~82 google schola Evans HC / 2008 / The endophyte-enemy release hypothesis: implications for classical biological control and plant invasions / Proceedings of the 12th International Symposium on Biological Control of Weeds; 2007 Apr 22-27 :20~25 google schola

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