AI Article Synopsis
- Understanding plant-microbe interactions can help identify which microbes drive invasive plants, particularly a highly invasive species in the Kashmir Himalaya.
- Researchers collected and analyzed leaf samples from three sites, recovering 902 endophytic isolates from bacterial and fungal genera that promote plant growth.
- The study found that most isolates provided beneficial traits like ammonia production and biocontrol activities, suggesting that these endophytes may play a crucial role in the plant's invasiveness and survival in the region.
Article Abstract
Understanding plant-microbe interaction can be useful in identifying the microbial drivers of plant invasions. It is in this context that we explored the diversity of endophytic microbes from leaves of , an annual plant that is highly invasive in Kashmir Himalaya. We also tried to establish the role of endophytes in the invasiveness of this alien species. We collected and processed leaf samples from three populations at three different sites. A total of 902 endophytic isolates belonging to 4 bacterial and 2 fungal phyla were recovered that belonged to 27 bacterial and 14 fungal genera. Firmicutes (29.1%), Proteobacteria (24.1%), Ascomycota (22.8%) and Actinobacteria (19%) were dominant across all samples. Plant growth promoting traits, such as Ammonia production, Indole Acetic Acid (IAA) production, Phosphate solubilization and biocontrol activity of these endophytes were also studied and most of the isolates (74.68%) were positive for ammonia production. IAA production, phosphate solubilization and biocontrol activity was present in 39.24%, 36.70% and 20.26% isolates, respectively. Furthermore, a pathogen of in its native range, though present in Kashmir Himalaya does not affect probably due to the presence of leaf endophytic microbial antagonists. Our results highlight that the beneficial plant growth promoting interactions and enemy suppression by leaf endophytes of , may be contributing to its survival and invasion in the Kashmir Himalaya.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11058297 | PMC |
| http://dx.doi.org/10.1016/j.heliyon.2024.e29778 | DOI Listing |
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