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<p><i>Cistanche</i> is a well-known traditional Chinese medicinal herb, but there are few reports on the diversity, community structure, and ecological functions of endophytic fungi in Cistanche.To address this gap, we investigated endophytic fungal diversity, community composition, and ecological functions across varieties (<i>Cistanche tubulosa</i> and <i>Cistanche deserticola</i>) and tissues (heads and tails) from Xinjiang using high-throughput ITS sequencing. A total of 1,306 OTUs were identified across four tissue types, spanning 8 phyla and 217 genera, with 71 OTUs shared universally. <i>Ascomycota</i> and <i>Basidiomycota</i> dominated all tissues, though dominant genera varied tissue-specifically. <i>Cistanche tubulosa</i> heads exhibited significantly higher community evenness and species diversity than <i>Cistanche tubulosa</i> tails and <i>Cistanche. deserticola</i> tails, but showed no significant difference compared to <i>Cistanche deserticola</i> heads. Community composition displayed high similarity between <i>Cistanche tubulosa</i> tails and <i>Cistanche deserticola</i> heads, whereas <i>Cistanche deserticola</i> tails diverged significantly from other tissues. FUNGuild analysis revealed high saprophytic fungal abundance and substantial unclassified functional groups across tissues. Endophytic fungal communities differed markedly between varieties and tissues, with <i>Cistanche tubulosa</i> heads showing superior microbial diversity and enhanced environmental resistance. This study provides critical insights into <i>Cistanche</i>-fungi interactions and informs novel resource conservation strategies.</p>

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Differential Analysis of Endophytic Fungal Communities in Different Parts of Cistanchis of Different Species

  • 期刊论文

  • 发表日期：

    2026年2月10日

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  • Yuhao Liu,
  • Munire Mutalifu,
  • Yuanyang Yi,
  • Jing Zhu,
  • Zhidong Zhang

摘要

Cistanche is a well-known traditional Chinese medicinal herb, but there are few reports on the diversity, community structure, and ecological functions of endophytic fungi in Cistanche.To address this gap, we investigated endophytic fungal diversity, community composition, and ecological functions across varieties (Cistanche tubulosa and Cistanche deserticola) and tissues (heads and tails) from Xinjiang using high-throughput ITS sequencing. A total of 1,306 OTUs were identified across four tissue types, spanning 8 phyla and 217 genera, with 71 OTUs shared universally. Ascomycota and Basidiomycota dominated all tissues, though dominant genera varied tissue-specifically. Cistanche tubulosa heads exhibited significantly higher community evenness and species diversity than Cistanche tubulosa tails and Cistanche. deserticola tails, but showed no significant difference compared to Cistanche deserticola heads. Community composition displayed high similarity between Cistanche tubulosa tails and Cistanche deserticola heads, whereas Cistanche deserticola tails diverged significantly from other tissues. FUNGuild analysis revealed high saprophytic fungal abundance and substantial unclassified functional groups across tissues. Endophytic fungal communities differed markedly between varieties and tissues, with Cistanche tubulosa heads showing superior microbial diversity and enhanced environmental resistance. This study provides critical insights into Cistanche-fungi interactions and informs novel resource conservation strategies.