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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국미생물생명공학회 Journal of Microbiology and Biotechnology Journal of Microbiology and Biotechnology 제25권 제8호
- 발행연도
- 2015.1
- 수록면
- 1,205 - 1,215 (11page)
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초록· 키워드
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Arbuscular mycorrhizal fungi (AMF) have great potential for assisting heavy metal hyperaccumulators in the remediation of contaminated soils. However, little information is available about the symbiosis of AMF associated with an antimony (Sb) accumulator plant under natural conditions. Therefore, the objective of this study was to investigate the colonization and molecular diversity of AMF associated with the Sb accumulator ramie (Boehmeria nivea) growing in Sb-contaminated soils. Four Sb mine spoils and one adjacent reference area were selected from Xikuangshan in southern China. PCR-DGGE was used to analyze the AMF community composition in ramie roots. Morphological identification was also used to analyze the species in the rhizosphere soil of ramie. Results obtained showed that mycorrhizal symbiosis was established successfully even in the most heavily polluted sites. From the unpolluted site Ref to the highest polluted site T4, the spore numbers and AMF diversity increased at first and then decreased. Colonization increased consistently with the increasing Sb concentrations in the soil. A total of 14 species were identified by morphological analysis. From the total number of species, 4 (29%) belonged to Glomus, 2 (14%) belonged to Acaulospora, 2 (14%) belonged to Funneliformis, 1 (7%) belonged to Claroideoglomus, 1 (7%) belonged to Gigaspora, 1 (7%) belonged to Paraglomus, 1 (7%) belonging to Rhizophagus, 1 (7%) belonging to Sclervocystis, and 1 (7%) belonged to Scutellospora. Some AMF sequences were present even in the most polluted site. Morphological identification and phylogenetic analysis both revealed that most species were affiliated with Glomus, suggesting that Glomus was the dominant genus in this AMF community. This study demonstrated that ramie associated with AMF may have great potential for remediation of Sb-contaminated soils.
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등록된 정보가 없습니다.
참고문헌 (28)
참고문헌 신청
Al Agely A / 2005 / Mycorrhizae increase arsenic uptake by the hyperaccumulator Chinese brake fern (Pteris vittata L.) / J. Environ. Qual 34 : 2181 ~ 2186
Alford ER / 2010 / Metallophytes - a view from the rhizosphere / Plant Soil 337 : 33 ~ 50
Altschul SF / 1997 / Gapped BLAST and PSI-BLAST:a new generation of protein database search programs / Nucleic Acids Res 25 : 3389 ~ 3402
Amir H / 2007 / Relationships between Ni-hyperaccumulation and mycorrhizal status of different endemic plant species from New Caledonian ultramafic soils / Plant Soil 293 : 2
Baker AJM / 2010 / Ecology of Industrial Pollution / Cambridge University Press : 7 ~ 40
Alford ER / 2010 / Metallophytes - a view from the rhizosphere / Plant Soil 337 : 33 ~ 50
Altschul SF / 1997 / Gapped BLAST and PSI-BLAST:a new generation of protein database search programs / Nucleic Acids Res 25 : 3389 ~ 3402
Amir H / 2007 / Relationships between Ni-hyperaccumulation and mycorrhizal status of different endemic plant species from New Caledonian ultramafic soils / Plant Soil 293 : 2
Baker AJM / 2010 / Ecology of Industrial Pollution / Cambridge University Press : 7 ~ 40
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