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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국미생물생명공학회 Journal of Microbiology and Biotechnology Journal of Microbiology and Biotechnology 제25권 제7호
- 발행연도
- 2015.1
- 수록면
- 978 - 987 (10page)
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초록· 키워드
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Aluminum (Al) toxicity is one of the greatest limitations to agriculture in acid soils, particularly in tropical regions. Arbuscular mycorrhizal fungi (AMF) can supply plants with nutrients and give protection against Al toxicity. The aim of this work was to evaluate the effects of soil liming (i.e., reducing Al saturation) on the AMF community composition and structure in the roots of maize lines contrasting for Al tolerance. To this end, we constructed four 18S rDNA cloning libraries from L3 (Al tolerant) and L22 (Al sensitive) maize lines grown in limed and non-limed soils. A total of 790 clones were sequenced, 69% belonging to the Glomeromycota phylum. The remaining sequences were from Ascomycota, which were more prominent in the limed soil, mainly in the L3 line. The most abundant AM fungal clones were related to the family Glomeraceae represented by the genera uncultured Glomus followed by Rhizophagus and Funneliformis. However, the most abundant operational taxonomic units with 27% of the Glomeromycota clones was affiliated to genus Racocetra. This genus was present in all the four libraries, but it was predominant in the non-limed soils, suggesting that Racocetra is tolerant to Al toxicity. Similarly, Acaulospora and Rhizophagus were also present mostly in both lines in non-limed soils. The community richness of AMF in the non-limed soils was higher than the limed soil for both lines. The results suggest that the soil Al saturation was the parameter that mostly influences the AMF species composition in the soils in this study.
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참고문헌 (22)
참고문헌 신청
Alguacil MM / 2012 / Perennial plant species from semiarid gypsum soils support higher AMF diversity in roots than the annual Bromus rubens / Soil Biol. Biochem 49 : 132 ~ 13
Altschul SF / 1997 / Gapped BLAST and PSI-BLAST:a new generation of protein database search programs / Nucleic Acids Res 25 : 3389 ~ 3402
Auge RM / 2001 / Water relations, drought and vesiculararbuscular mycorrhizal symbiosis / Mycorrhiza 11 : 3 ~ 42
Bedini S / 2010 / Molecular characterization and glomalin production of arbuscular mycorrhizal fungi colonizing a heavy metal polluted ash disposal island, downtown Venice /
Borriello R / 2012 / Effects of different management practices on arbuscular mycorrhizal fungal diversity in maize fields by a molecular approach / Biol. Fertil. Soils 48 : 9
Altschul SF / 1997 / Gapped BLAST and PSI-BLAST:a new generation of protein database search programs / Nucleic Acids Res 25 : 3389 ~ 3402
Auge RM / 2001 / Water relations, drought and vesiculararbuscular mycorrhizal symbiosis / Mycorrhiza 11 : 3 ~ 42
Bedini S / 2010 / Molecular characterization and glomalin production of arbuscular mycorrhizal fungi colonizing a heavy metal polluted ash disposal island, downtown Venice /
Borriello R / 2012 / Effects of different management practices on arbuscular mycorrhizal fungal diversity in maize fields by a molecular approach / Biol. Fertil. Soils 48 : 9
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