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Sea urchin intestinal bacterial communities depend on seaweed diet and contain nitrogen-fixing symbionts.
FEMS Microbiol Ecol
January 2025
Institute of Marine Research IMR, Nye Flødevigveien 20, 4817 His, Norway.
Kelp deforestation by sea urchin grazing is a widespread phenomenon globally, with vast consequences for coastal ecosystems. The ability of sea urchins to survive on a kelp diet of poor nutritional quality is not well understood and bacterial communities in the sea urchin intestine may play an important role in digestion. A no-choice feeding experiment was conducted with the sea urchin Strongylocentrotus droebachiensis, offering three different seaweeds as diet, including the kelp Saccharina latissima.
View Article and Find Full Text PDFCircadian rhythms of microbial communities and their role in regulating nitrogen and phosphorus cycling in the rhizosphere of tea plants.
Hortic Res
January 2025
College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, China.
The circadian clock mediates metabolic functions of plants and rhythmically shapes structure and function of microbial communities in the rhizosphere. However, it is unclear how the circadian rhythm of plant hosts regulates changes in rhizosphere bacterial and fungal communities and nutrient cycles. In the present study, we measured diel changes in the rhizosphere of bacterial and fungal communities, and in nitrogen (N) and phosphorus (P) cycling in 20-year-old tea plantations.
View Article and Find Full Text PDFSeed banking impacts native Acacia ulicifolia seed microbiome composition and function.
Environ Microbiome
January 2025
School of Natural Sciences, Macquarie University, Sydney, NSW, Australia.
Background: Seed banks are a vital resource for preserving plant species diversity globally. However, seedling establishment and survival rates from banked seeds can be poor. Despite a growing appreciation for the role of seed-associated microbiota in supporting seed quality and plant health, our understanding of the effects of conventional seed banking processes on seed microbiomes remains limited.
View Article and Find Full Text PDFUnusual Genomic and Biochemical Features of sp. nov-A Novel Bacterial Species Isolated from Anthill Soil.
Int J Mol Sci
December 2024
Faculty of Soil Science, M.V. Lomonosov Moscow State University, Leninskie Gory, 1, 119991 Moscow, Russia.
The black garden ant () is a widely distributed species across Europe, North America, and North Africa, playing a pivotal role in ecological processes within its diverse habitats. However, the microbiome associated with remains poorly investigated. In the present study, we isolated a novel species, , from the soil of the anthill.
View Article and Find Full Text PDFsp. SI-NJAU-1 and Its Mutant Strain with Excretion-Ammonium Capability Promote Plant Growth through Biological Nitrogen Fixation.
J Agric Food Chem
January 2025
College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, Jiangsu Province 210095, China.
Legumes are well-known for symbiotic nitrogen fixation, whereas associative nitrogen fixation for nonlegume plants needs more attention. Most associative nitrogen-fixing bacteria are applied in their original plant species and need further study for broad adaptation. Additionally, if isolated nitrogen-fixing bacteria could function under fertilizer conditions, it is often ignored.
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