Symbiotic fungi associated with plant roots can shuttle a key nutrient through their hyphal network in response to resource inequality. This need-based transport optimizes trade conditions for carbon with plants.
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http://dx.doi.org/10.1016/j.cub.2019.05.002 | DOI Listing |
Environ Microbiol
January 2025
Department of Biology and Biotechnology, University of Pavia, Pavia, Italy.
The Hepatincolaceae (Alphaproteobacteria) are a group of bacteria that inhabit the gut of arthropods and other ecdysozoans, associating extracellularly with microvilli. Previous phylogenetic studies, primarily single-gene analyses, suggested their relationship to the Holosporales, which includes intracellular bacteria in protist hosts. However, the genomics of Hepatincolaceae is still in its early stages.
View Article and Find Full Text PDFCurr Microbiol
January 2025
Faculty of Science, Department of Biology, Ondokuz Mayis University, Samsun, 55139, Türkiye.
Interactions with mycorrhizal fungi are increasingly recognized as crucial ecological factors influencing orchids' distribution and local abundance. While some orchid species interact with multiple fungal partners, others show selectivity in their mycorrhizal associations. Additionally, orchids that share the same habitat often form relationships with different fungal partners, possibly to reduce competition and ensure stable coexistence.
View Article and Find Full Text PDFPlant Cell Environ
January 2025
Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Fujian Agriculture and Forestry University, Fuzhou, China.
Symbiosis between arbuscular mycorrhizal fungi and plants plays a crucial role in nutrient acquisition and stress resistance for terrestrial plants. microRNAs have been reported to participate in the regulation of mycorrhizal symbiosis by controlling the expression of their target genes. Herein, we found that sly-miR408b was significantly downregulated in response to mycorrhizal colonisation.
View Article and Find Full Text PDFCell Host Microbe
January 2025
University of Utah School of Medicine, Department of Pathology, Division of Microbiology and Immunology, Salt Lake City, UT 84211, USA. Electronic address:
Microbiota composition regulates colitis severity, yet the innate immune mechanisms that control commensal communities and prevent disease remain unclear. We show that the innate immune receptor, Clec12a, impacts colitis severity by regulating microbiota composition. Transplantation of microbiota from a Clec12a animal is sufficient to worsen colitis in wild-type mice.
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January 2025
Institution of Gastroenterology, Zhejiang University, Hangzhou, Zhejiang Province 310058, China; Department of Gastroenterology, Sir Run Run Shaw Hospital, Zhejiang University, Hangzhou, Zhejiang Province 310058, China. Electronic address:
Fungal symbionts play a key role in maintaining host homeostasis. In a recent issue of Nature, Liao et al. show that Kazachstania pintolopesii, a symbiotic fungus in mice, is shielded from the host immune system during homeostasis but induces type 2 immunity during mucus fluctuations.
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