AI Article Synopsis
- Parque Nacional La Campana (PNLC) is famous for its diverse plant and animal life, but this study focused on examining the lesser-known microbial communities present in its ecosystems.
- Researchers analyzed soil samples from different plant types found in PNLC, like sclerophyllous and xerophytic forests, using advanced DNA sequencing techniques to identify microbial composition.
- The study revealed specific microbial communities linked to various plant ecosystems, highlighting that factors like elevation and soil type significantly influence the diversity and structure of microbes in the park.
Article Abstract
Parque Nacional La Campana (PNLC) is recognized worldwide for its flora and fauna, rather than for its microbial richness. Our goal was to characterize the structure and composition of microbial communities (bacteria, archaea and fungi) and their relationship with the plant communities typical of PNLC, such as sclerophyllous forest, xerophytic shrubland, hygrophilous forest and dry sclerophyllous forest, distributed along topoclimatic variables, namely, exposure, elevation and slope. The plant ecosystems, the physical and chemical properties of organic matter and the soil microbial composition were characterized by massive sequencing (iTag-16S rRNA, V4 and ITS1-5F) from the DNA extracted from the soil surface (5 cm, = 16). A contribution of environmental variables, particularly related to each location, is observed. Proteobacteria (35.43%), Actinobacteria (32.86%), Acidobacteria (10.07%), Ascomycota (76.11%) and Basidiomycota (15.62%) were the dominant phyla. The beta diversity (~80% in its axes) indicates that bacteria and archaea are linked to their plant categories, where the xerophytic shrub stands out with the most particular microbial community. More specifically, Crenarchaeote, Humicola and Mortierella were dominant in the sclerophyllous forest; Chloroflexi, Cyanobacteria and Alternaria in the xerophytic shrubland; Solicoccozyma in the dry sclerophyllous forest; and Cladophialophora in the hygrophilous forest. In conclusion, the structure and composition of the microbial consortia is characteristic of PNLC's vegetation, related to its topoclimatic variables, which suggests a strong association within the soil microbiome.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11356564 | PMC |
| http://dx.doi.org/10.3390/microorganisms12081569 | DOI Listing |
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