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The Influence of Rhizobial Nod Factors on the Synthesis of Flavonoids in Common Buckwheat ( Moench).
Molecules
September 2024
Department of Genetics and Microbiology, Institute of Biological Sciences, Maria Curie-Sklodowska University, Akademicka 19, 20-033 Lublin, Poland.
Flavonoids constitute a class of polyphenolic secondary metabolites synthesised mainly by plants and possessing anticancer, antioxidant, anti-inflammatory, and antiviral properties. Common buckwheat ( Moench) is a dicotyledonous plant rich in different classes of flavonoids (e.g.
View Article and Find Full Text PDFDiverse bacterial consortia: key drivers of rhizosoil fertility modulating microbiome functions, plant physiology, nutrition, and soybean grain yield.
Environ Microbiome
July 2024
Department of Microbial Ecology, Netherlands Institute of Ecology (NIOO-KNAW), Wageningen, 6708 PB, The Netherlands.
Soybean cultivation in tropical regions relies on symbioses with nitrogen-fixing Bradyrhizobium and plant growth-promoting bacteria (PGPBs), reducing environmental impacts of N fertilizers and pesticides. We evaluate the effects of soybean inoculation with different bacterial consortia combined with PGPBs or microbial secondary metabolites (MSMs) on rhizosoil chemistry, plant physiology, plant nutrition, grain yield, and rhizosphere microbial functions under field conditions over three growing seasons with four treatments: standard inoculation of Bradyrhizobium japonicum and Bradyrhizobium diazoefficiens consortium (SI); SI plus foliar spraying with Bacillus subtilis (SI + Bs); SI plus foliar spraying with Azospirillum brasilense (SI + Az); and SI plus seed application of MSMs enriched in lipo-chitooligosaccharides extracted from B. diazoefficiens and Rhizobium tropici (SI + MSM).
View Article and Find Full Text PDFA soybean cyst nematode suppresses microbial plant symbionts using a lipochitooligosaccharide-hydrolysing enzyme.
Nat Microbiol
August 2024
State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China.
Cyst nematodes are the most damaging species of plant-parasitic nematodes. They antagonize the colonization of beneficial microbial symbionts that are important for nutrient acquisition of plants. The molecular mechanism of the antagonism, however, remains elusive.
View Article and Find Full Text PDFAspirin eugenol ester affects ileal barrier function, inflammatory response and microbiota in broilers under lipopolysaccharide-induced immune stress conditions.
Front Vet Sci
May 2024
Department of Animal Physiology, College of Animal Science and Technology, Henan University of Science and Technology, Luoyang, China.
Aims: The aim of this study was to investigate the effects of aspirin eugenol ester (AEE) on ileal immune function in broilers under lipopolysaccharide (LPS)-induced immune stress.
Methods: Two hundred and forty one-day-old male Arbor Acres chicks were randomly divided into four groups (saline, LPS, saline + AEE and LPS + AEE) with six replicates of ten broilers each. The saline group and LPS group were fed the normal diet, while the other two groups received normal diet plus 0.
Role of core lipopolysaccharide biosynthetic genes in the infection and adsorption of broad-host-range bacteriophages of Rhizobium etli.
Microbiol Res
August 2024
Programa de Genómica Evolutiva, Centro de Ciencias Genómicas, UNAM, Av. Universidad s/n, Col. Chamilpa C.P. 62212, Cuernavaca, Mor, Apdo 565-A, Mexico. Electronic address:
Article Synopsis
- This study focused on the effects of specific lipopolysaccharide (LPS) genes in Rhizobium etli on the ability of phages to infect the bacteria.
- Disruption of the wreU and wreV genes led to different outcomes: wreU mutants could still adsorb and get infected by phages, while wreV mutants could adsorb but were resistant to infection.
- The reintroduction of wreU and wreV genes restored phage susceptibility in wreV mutants, but only if they also had their native LPS-encoding plasmid, suggesting that complete LPS assembly is crucial for phage infection.
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