Endophytic community of Pb-Zn hyperaccumulator Arabis alpina and its role in host plants metal tolerance

Vijay K. Sharma, Xin ya Li, Guang li Wu, Wei xiao Bai, Shobhika Parmar, James F. White, Hai yan Li

Research output: Contribution to journalArticlepeer-review

18 Scopus citations


Aims: Endophytes benefit host plants by increasing biotic and abiotic stress tolerance. The aims of this study were to evaluate endophytic community (EC) of Arabis alpina, a Pb-Zn hyperaccumulator and investigate role of EC in host plants metal tolerance. Methods: EC of A. alpina growing at Pb–Zn mining area was evaluated by Illumina MiSeq sequencing. Pot experiments were conducted for the role of EC in metal accumulation and tolerance of host. Results: Fungal EC of shoots showed greater similarity to roots than to seeds; and Chao1 and Shannon indices for shoots and roots were significantly higher than for seeds. Inoculation of EC significantly improved host plants growth under multi-metal stress (p < 0.05, T test). The shoot length, root length and dry biomass of the treatment were improved when compared with the control. EC inoculation significantly altered accumulation of Pb, Cd and Zn in plant tissues. Particularly decreased the accumulation of Pb (p < 0.05) and Cd (p > 0.05) in the shoots of the treatment. Conclusions: Hyperaccumulator A. alpina growing in metals contaminated soils was colonized by a diverse assemblage of endophytic fungi, and the EC played a key role in increasing host plants metal tolerance.

Original languageEnglish (US)
Pages (from-to)397-411
Number of pages15
JournalPlant and Soil
Issue number1-2
StatePublished - Apr 14 2019

All Science Journal Classification (ASJC) codes

  • Soil Science
  • Plant Science


  • Endophytic community
  • High-throughput sequencing
  • Hyperaccumulator
  • Phytoremediation
  • Potentially toxic metals


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