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All Journal Journal of Tropical Soils Jurnal Agro AGROLOGIA : Jurnal Ilmu Budidaya Tanaman JURNAL BUDIDAYA PERTANIAN MAKILA: Jurnal Penelitian Kehutanan Tropical Small Island Agriculture Management Jurnal El-Thawalib Jurnal Agrosilvopasture-Tech Education & Learning Jurnal Pertanian Kepulauan Agroland: Jurnal Ilmu-ilmu Pertanian Jurnal El-Thawalib Research of Scientia Naturalis
Siregar, Adelina
Fakultas Pertanian Universitas Pattimura
Religion Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Earth & Planetary Sciences Environmental Science Law, Crime, Criminology & Criminal Justice Physics Social Sciences

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PLANT–SOIL–MICROBE INTERACTIONS REVISITED: MECHANISTIC INSIGHTS FROM BIOMOLECULAR AND ECOLOGICAL INTEGRATION Jihoon, Park; Siregar, Adelina; Tanaka, Kaito; Davis, Michael
Research of Scientia Naturalis Vol. 3 No. 1 (2026)
Publisher : Yayasan Adra Karima Hubbi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70177/scientia.v3i1.3468

Abstract

Plant–soil–microbe interactions underpin nutrient cycling, ecosystem productivity, and resilience under environmental change. Despite advances in rhizosphere ecology and molecular biology, integration between biomolecular processes and ecosystem-level dynamics remains fragmented. This study aims to develop and empirically validate a mechanistic framework linking gene expression, metabolite exchange, microbial functional traits, and ecological outcomes across controlled and field contexts. A multi-scale design combined greenhouse factorial experiments with field validation, integrating metagenomics, metatranscriptomics, metabolomics, soil nutrient assays, and ecological network modeling. Structural equation modeling and multivariate analyses were applied to identify causal pathways among root exudation, microbial functional gene abundance, nutrient availability, and plant biomass. Results demonstrate that functional gene abundance (? = 0.46, p < 0.001) and root metabolite diversity (? = 0.39, p < 0.01) significantly predict plant productivity, while network analysis identifies organic acids and nitrogen-fixing taxa as keystone interaction nodes. Drought treatments induced coordinated upregulation of stress-response genes and metabolite adjustments, partially buffering productivity losses. The study concludes that rhizosphere resilience emerges from tightly coupled biomolecular and ecological feedback mechanisms. Integrative multi-omics combined with ecological modeling enhances predictive understanding of ecosystem function under environmental variability.
Co-Authors A.M. Kalay Abraham Talahaturuson Abraham Talahaturuson, Abraham Akollo, Arsando Alexander Sesa Alexander Sesa Andrias I. Latupapua Arsando Akollo Costanza Uruilal Davis, Michael Diane M.Y. Matulessy Diane Matulessy Elizabet Kaya Elizabeth Kaya Elizabeth Kaya Fabians J.D. Hitijahubessy Fitria S. Kibas Hamid Hamid Hasan, Masita Hetti May Rini Pintu Batu Jihoon, Park Johana Taribuka Junaidi Junaidi Kaya, Elizabeth Malaky Wattimury Marasabessy, Syamsudin Masita Hasan Masitta Hasan Matulessy, Diane Nasution, Muhammad Arsad Ohoirat, Jufri Mulyadi Osok, Rafael M Pieter J Kunu Risamasu, Robby G Rudy Soplanit Sainul, Ahmad Sibualamo, M. Gentha Yudha Sandy Silwanus M Talakua Talakua, Silwanus Matheus Tanaka, Kaito Ufie, Conradus Venus Nikiyuluw Wamnebo, Siti I R Wardis Girsang Yosias Marthen Pesulima