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Annexin- and calcium-regulated priming of legume root cells for endosymbiotic infection.
Nat Commun
December 2024
LIPME, INRAE, CNRS, Université de Toulouse, Castanet-Tolosan, France.
Article Synopsis
- Legumes form partnerships with AM fungi and rhizobia to enhance their nutrient intake, using specific structures in their roots for effective exchange.
- The research focuses on Medicago truncatula, revealing that MtAnn1 protein plays a critical role in the formation of cytoplasmic cell bridges for rhizobia entry, influencing calcium signaling and infection success.
- MtAnn1 not only contributes to rhizobia symbiosis but is also essential for arbuscule development in AM fungi, indicating its importance in ancient calcium-regulatory mechanisms for symbiotic infections.
Unveiling the potential of native arbuscular mycorrhizal fungi for growth promotion and phytochemical enrichment in Valeriana jatamansi Jones.
Int Microbiol
July 2024
Dr. Y.S, Parmar University of Horticulture and Forestry, Solan, 173230, India.
Medicinal plants are rich sources of pharmaceutically important compounds and have been utilized for the treatment of various diseases since ancient times. Valeriana jatamansi Jones, also known as Indian valerian, holds a special place among temperate Himalayan medicinal plants and is renowned for its therapeutic properties in addressing a variety of ailments. The therapeutic potential of V.
View Article and Find Full Text PDFThe role of diverse soil microbiota in restoring erosion-induced degraded lands is well recognized. Yet, the facilitative interactions among symbiotic arbuscular mycorrhizal (AM) fungi, rhizobia, and heterotrophic bacteria, which underpin multiple functions in eroded ecosystems, remain unclear. Here, we utilized quantitative microbiota profiling and ecological network analyses to explore the interplay between the diversity and biotic associations of root-associated microbiota and multifunctionality across an eroded slope of a plantation on the Loess Plateau.
View Article and Find Full Text PDFEUKARYOME: the rRNA gene reference database for identification of all eukaryotes.
Database (Oxford)
June 2024
Institute of Ecology and Earth Sciences, University of Tartu, Liivi 2, Tartu 50400, Estonia.
Molecular identification of micro- and macroorganisms based on nuclear markers has revolutionized our understanding of their taxonomy, phylogeny and ecology. Today, research on the diversity of eukaryotes in global ecosystems heavily relies on nuclear ribosomal RNA (rRNA) markers. Here, we present the research community-curated reference database EUKARYOME for nuclear ribosomal 18S rRNA, internal transcribed spacer (ITS) and 28S rRNA markers for all eukaryotes, including metazoans (animals), protists, fungi and plants.
View Article and Find Full Text PDFExpanded trade: tripartite interactions in the mycorrhizosphere.
mSystems
July 2024
Department of Plant Pathology, University of Minnesota, Twin Cities, Minnesota, USA.
Interactions between arbuscular mycorrhizal fungi (AMF), plants, and the soil microbial community have the potential to increase the availability and uptake of phosphorus (P) and nitrogen (N) in agricultural systems. Nutrient exchange between plant roots, AMF, and the adjacent soil microbes occurs at the interface between roots colonized by mycorrhizal fungi and soil, referred to as the mycorrhizosphere. Research on the P exchange focuses on plant-AMF or AMF-microbe interactions, lacking a holistic view of P exchange between the plants, AMF, and other microbes.
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