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<p><i>Salvadora</i> sp. is recognized for its capacity to withstand extreme weather conditions of dry and semiarid areas. This study investigated the microbial diversity linked to <i>Salvadora</i> sp. and its exploitation for plant growth promotion in semiarid settings. We extracted 141 bacterial morphotypes from the rhizosphere of <i>Salvadora</i>, revealing the extensive microbial community present in these tough settings. The major bacterial genera <i>Pseudomonas</i> and <i>Bacillus</i>, were found most abundant among the isolates. Findings from present study demonstrated that these isolates had considerable plant growth-promoting properties, including indole acetic acid (IAA) production (172 isolates), mineral solubilization (40 isolates), ammonia production (29 isolates), siderophore production (36 isolates), and strong biofilm formation (25 isolates). Molecular characterization by 16S rRNA gene amplification indicated a diverse community structure, predominantly consisting of Pseudomonadota and Actinobacteria. This research highlights the <i>Salvadora</i>-associated bacteria community as a potential resource for bioformulations targeted at boosting plant resilience and production in arid and semi-arid situations, thus contributing to sustainable agricultural practices. The findings from this work, opens the path for further discovery of native plant growth-promoting microorganisms from other medicinal plants that might ameliorate the effects of drought and salt stressors in agricultural settings. This investigation is the first to document the diversity and functional characterization of culturable bacteria from the <i>Salvadora</i> sp. phytosphere with the potential agricultural importance. The study sets a precedent for exploring other underutilized medicinal plants for beneficial microbes, contributing to a broader understanding of plant–microbe interactions in extreme environments.</p>

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Bacterial diversity profile of Salvadora sp. and assessment for their potential use in plant growth promotion

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年6月13日

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  • Sandeep Kumar,
  • Vikram Poria,
  • Pawan Kumar,
  • Prakriti Jhilta,
  • Surender Singh

摘要

Salvadora sp. is recognized for its capacity to withstand extreme weather conditions of dry and semiarid areas. This study investigated the microbial diversity linked to Salvadora sp. and its exploitation for plant growth promotion in semiarid settings. We extracted 141 bacterial morphotypes from the rhizosphere of Salvadora, revealing the extensive microbial community present in these tough settings. The major bacterial genera Pseudomonas and Bacillus, were found most abundant among the isolates. Findings from present study demonstrated that these isolates had considerable plant growth-promoting properties, including indole acetic acid (IAA) production (172 isolates), mineral solubilization (40 isolates), ammonia production (29 isolates), siderophore production (36 isolates), and strong biofilm formation (25 isolates). Molecular characterization by 16S rRNA gene amplification indicated a diverse community structure, predominantly consisting of Pseudomonadota and Actinobacteria. This research highlights the Salvadora-associated bacteria community as a potential resource for bioformulations targeted at boosting plant resilience and production in arid and semi-arid situations, thus contributing to sustainable agricultural practices. The findings from this work, opens the path for further discovery of native plant growth-promoting microorganisms from other medicinal plants that might ameliorate the effects of drought and salt stressors in agricultural settings. This investigation is the first to document the diversity and functional characterization of culturable bacteria from the Salvadora sp. phytosphere with the potential agricultural importance. The study sets a precedent for exploring other underutilized medicinal plants for beneficial microbes, contributing to a broader understanding of plant–microbe interactions in extreme environments.