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The Endodermis Is the Major Control Point for Radial Transport of Humic Substances into the Vascular System of Plants

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Functions of Natural Organic Matter in Changing Environment

Abstract

In order to understand humic substance (HS) uptake by plants and its entrance into the plant vascular system, a microautoradiography approach using tritium-labeled HS was applied. Wheat seedlings were used as test plants. The data obtained clearly demonstrated preferential radial transport of HS by the apoplastic pathway. Epidermal and cortex cells did not remove significant proportions of humic substances, and the endodermis was shown to be the major control point for their radial transport.

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References

  • Badun, G.A., M.G. Chernysheva, Z.A. Tyasto, N.A. Kulikova, A.V. Kudryavtsev, and I.V. Perminova. 2010. A new technique for tritium labeling of humic substances. Radiochimica Acta 98: 161–166.

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  • Kulikova, N.A., I.V. Perminova, G.A. Badun, M.G. Chernysheva, O.V. Koroleva, and E.A. Tsvetkova. 2010. Estimation of uptake of humic substances from different sources by Escherichia coli cells under optimum and salt stress conditions by use of tritium-labeled humic materials. Applied and Environmental Microbiology 76: 6223–6230.

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Author information

Authors and Affiliations

  1. Department of Soil Science, Lomonosov Moscow State University, Moscow, Russia

    N. A. Kulikova & D. P. Abroskin

  2. Bach Institute of Biochemistry of Russian Academy of Sciences, Moscow, Russia

    N. A. Kulikova

  3. Department of Biology, Lomonosov Moscow State University, Moscow, Russia

    A. S. Beer

  4. Department of Chemistry, Lomonosov Moscow State University, Moscow, Russia

    G. A. Badun, M. G. Chernysheva, V. I. Korobkov & I. V. Perminova

Authors
  1. N. A. Kulikova
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  2. D. P. Abroskin
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  3. A. S. Beer
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  4. G. A. Badun
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  5. M. G. Chernysheva
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  6. V. I. Korobkov
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  7. I. V. Perminova
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Corresponding author

Correspondence to I. V. Perminova .

Editor information

Editors and Affiliations

  1. , Institute of Soil and Water Resources, Zhejiang University, 866 Yuhangtang Road, Hangzhou, 310058, China, People's Republic

    Jianming Xu

  2. , College of Environmental & Resource Scie, Zhejiang University, 866 Yuhangtang Road, Hangzhou, 310058, China, People's Republic

    Jianjun Wu

  3. , College of Environmental & Resource Scie, Zhejiang University, 866 Yuhangtang Road, Hangzhou, 310058, China, People's Republic

    Yan He

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© 2013 Zhejiang University Press and Springer Science+Business Media Dordrecht

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Kulikova, N.A. et al. (2013). The Endodermis Is the Major Control Point for Radial Transport of Humic Substances into the Vascular System of Plants. In: Xu, J., Wu, J., He, Y. (eds) Functions of Natural Organic Matter in Changing Environment. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-5634-2_159

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