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<p>The domestication of plant species has played a pivotal role in shaping human civilization, yet it has also contributed to a significant reduction in the genetic diversity of crop varieties. This reduction may have profound implications for the formation and establishment of rhizosphere microbial communities in plants. This study systematically investigates microbiome dynamics during seed development in wild and domesticated <i>Atractylodes lancea</i>. The seeds from both wild and domesticated <i>A. lancea</i> exhibited shared microbial genera, while their communities were changed significantly. However, when <i>A. lancea</i> seeds from wild and domesticated germinated into seedlings under identical microbiological conditions, the leaves and root endophytic microbial and rhizosphere microbiome displayed similar genus. Remarkably, the rhizosphere microbial communities of the seedlings consistently enriched Allorhizobium-Neorhizobium-Pararhizobium-Rhizobium, <i>Paenibacillus</i>, <i>Variovorax</i>, <i>Conexibacter</i>, and norank_f__Micropepsaceae. And this convergence likely arises from the shared chemotype of <i>A. lancea</i> and exposure to identical environmental microbiomes. In summary, this study delineates the transmission processes of <i>A. lancea</i> seed endophytes and identifies the dynamic patterns of microbial shifts during its development from seed to seedling. These findings contribute to a broader understanding of plant–microbe interactions and the role of microbial ecology in crop improvement.</p>

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Effects of Wild and Domesticated Seeds on the Colonization of Rhizosphere Microorganisms in Atractylodes lancea

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年6月4日

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  • Zheng Peng,
  • Chuanzhi Kang,
  • Yang Xu,
  • Chengcai Zhang,
  • Yan Zhang,
  • Binbin Yan,
  • Sheng Wang,
  • Xiuzhi Guo,
  • Xiufu Wan,
  • Chaogen Lv,
  • Luqi Huang,
  • Lanping Guo,
  • Hongyang Wang

摘要

The domestication of plant species has played a pivotal role in shaping human civilization, yet it has also contributed to a significant reduction in the genetic diversity of crop varieties. This reduction may have profound implications for the formation and establishment of rhizosphere microbial communities in plants. This study systematically investigates microbiome dynamics during seed development in wild and domesticated Atractylodes lancea. The seeds from both wild and domesticated A. lancea exhibited shared microbial genera, while their communities were changed significantly. However, when A. lancea seeds from wild and domesticated germinated into seedlings under identical microbiological conditions, the leaves and root endophytic microbial and rhizosphere microbiome displayed similar genus. Remarkably, the rhizosphere microbial communities of the seedlings consistently enriched Allorhizobium-Neorhizobium-Pararhizobium-Rhizobium, Paenibacillus, Variovorax, Conexibacter, and norank_f__Micropepsaceae. And this convergence likely arises from the shared chemotype of A. lancea and exposure to identical environmental microbiomes. In summary, this study delineates the transmission processes of A. lancea seed endophytes and identifies the dynamic patterns of microbial shifts during its development from seed to seedling. These findings contribute to a broader understanding of plant–microbe interactions and the role of microbial ecology in crop improvement.