Xanthan Gum Reduces Aluminum Toxicity in Camelina Roots

Jung-Ho Shin; Hyun-Sung Kim; Sehee Kim; Eunsuk Kim; Ha-young Jang; Sung-Ju Ahn

doi:10.17820/eri.2021.8.3.135

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2021 Vol.8, Issue 3 Next Page

Original Article

Xanthan Gum Reduces Aluminum Toxicity in Camelina Roots 잔탄검 혼합에 따른 카멜리나 뿌리의 알루미늄 독성 경감 효과

30 September 2021. pp. 135-142

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Abstract

Biopolymers have been known as eco-friendly soil strengthening materials and studied to apply levees. However, the effect of biopolymer on vegetation is not fully understood. In this study, we analyzed the root growth of Camelina sativa L. (Camelina) when the xanthan gum was amended to soil in Aluminum (Al) stress conditions. Amendment of 0.05% xanthan gum increased root growth of Camelina under Al stress conditions. Under the Al stress condition, expression of aluminum activate malate transporter 1 (ALMT1) gene of Camelina root was induced but showed a lower level of expression in xanthan gum amended soil than non-amended soil. Additionally, the binding capacity of xanthan gum with Al ions in the solution was confirmed. Using morin staining and ICP-OES analysis, the Al content of the roots in the xanthan gum soil was lower than in the non-xanthan gum soil. These results suggest that xanthan gum amended soils may reduce the detrimental effects of Al on the roots and positively affect the growth of plants. Therefore, xanthan gum is not only an eco-friendly construction material but also can protect the roots in the disadvantageous environment of the plant.

Keywords

Aluminum

Bind

Camelina root

Xanthan gum

친환경 제방 건설 소재로 연구되고 있는 바이오폴리머는 토양의 강도 증진 효과가 알려져 있으나, 아직 식생에 미치는 영향에 대한 연구는 부족하다. 본 연구에서는 토양의 aluminum (Al) 스트레스 조건에서 잔탄검 (xanthan gum) 혼합에 따른 Camelina sativa L. (Camelina)의 뿌리 생장을 분석하였다. Al 스트레스 조건과 더불어 xanthan gum 0.05% 혼합구에서 생육한 Camelina가 비혼합구보다 뿌리 생장이 증가하였다. 같은 조건에서 aluminum activated malate transporter 1 (ALMT1) 유전자 발현이 xanthan gum 혼합구 및 비혼합구에서 모두 유도되었지만, xanthan gum 혼합구가 비혼합구보다 낮은 수준의 발현을 보여주었다. 추가적으로 용액에서 xanthan gum과 Al 이온의 결합을 확인하였으며, morin 염색과 ICP-OES 분석을 통해 Camelina 뿌리의 Al 함량을 측정한 결과 xanthan gum 혼합구에서 비혼합구 보다 뿌리의 Al 함량이 낮았다. 이러한 결과들은 xanthan gum과 Al 결합으로 인해 뿌리의 피해를 감소시키고 궁극적으로 식물의 생존 및 생육에 긍정적 효과를 미치는 것으로 보인다.

키워드

알루미늄

결합

카멜리나 뿌리

잔탄검

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Information

Publisher :Korean Society of Ecology and Infrastructure Engineering
Publisher(Ko) :응용생태공학회
Journal Title :Ecology and Resilient Infrastructure
Journal Title(Ko) :응용생태공학회 논문집
Volume : 8
No :3
Pages :135-142
Received Date : 2021-08-13
Revised Date : 2021-09-24
Accepted Date : 2021-09-28
DOI :https://doi.org/10.17820/eri.2021.8.3.135

Ecology and Resilient Infrastructure ISSN:2288-8527(Online) 응용생태공학회 논문집

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