Results 71 to 80 of about 27,095 (225)

Genetic and Biochemical Characterization of an Exopolysaccharide With in vitro Antitumoral Activity Produced by Lactobacillus fermentum YL-11

open access: yesFrontiers in Microbiology, 2019
In the present study, the whole genome sequence of Lactobacillus fermentum YL-11, a novel exopolysaccharide (EPS)-producing lactic acid bacteria (LAB) strain isolated from fermented milk, was determined. Genetic information and the synthetic mechanism of
Yunlu Wei   +8 more
doaj   +1 more source

A Phosphorylation‐Dependent Partner‐Switching‐Like Module Regulates a Glycosyltransferase Required for Heterocyst Polysaccharide Layer Formation in Anabaena sp. Strain PCC 7120

open access: yesMolecular Microbiology, EarlyView.
The glycosyltransferase All4160 is regulated by the reversible phosphorylation of Ser74. The kinase Alr3423 phosphorylates and inactivates All4160, while the SpoIIE‐like phosphatase HenR restores its activity through dephosphorylation. A nonphosphorylatable variant of All4160 bypasses the need for HenR, which demonstrates that a phosphorylation ...
Mai Harada   +2 more
wiley   +1 more source

Genomic Features for Desiccation Tolerance and Sugar Biosynthesis in the Extremophile Gloeocapsopsis sp. UTEX B3054

open access: yesFrontiers in Microbiology, 2019
For tolerating extreme desiccation, cyanobacteria are known to produce both compatible solutes at intracellular level and a copious amount of exopolysaccharides as a protective coat.
Catalina Urrejola   +6 more
doaj   +1 more source

Nonnodulating Fagales retain the functional NODULE INCEPTION gene

open access: yesNew Phytologist, EarlyView.
NODULE INCEPTION orthologs are present in nonnodulating species in Fagales.
Momona Noda   +3 more
wiley   +1 more source

Rational reduction of a sorghum SynCom that preserves growth promotion reveals flavonoid‐mediated plant–microbe interactions

open access: yesNew Phytologist, EarlyView.
Synthetic community complexity reduction designs. Summary Plant growth is influenced by the composition of its associated microbiome. The inherent complexity and functional redundancy of natural plant microbiomes present a formidable barrier to understanding the myriad biological interactions therein.
Dean Pettinga   +8 more
wiley   +1 more source

Microstructured Block Copolymer Surfaces for Control of Microbe Adhesion and Aggregation

open access: yesBiosensors, 2014
The attachment and arrangement of microbes onto a substrate is influenced by both the biochemical and physical surface properties. In this report, we develop lectin-functionalized substrates containing patterned, three-dimensional polymeric structures ...
Ryan R. Hansen   +5 more
doaj   +1 more source

Directed Evolution of Plant‐Associated Bacteria Enhances Plant Holobiont Stress Tolerance

open access: yesPlant, Cell &Environment, EarlyView.
ABSTRACT Plant stress responses are shaped by both the plant genome and its associated microbial communities, which together form the plant holobiont. Given the rapid adaptive potential of plant‐associated microbes, we hypothesised that directed evolution under selective pressure can accelerate the development of holobiont‐level stress tolerance ...
Mohammadhossein Ravanbakhsh, Wu Xiong
wiley   +1 more source

Exopolysaccharide of obligate methylotrophic bacterium Methylophilus quaylei: preparation, purification and study on carbohydrate and fractional composition

open access: yesТонкие химические технологии, 2011
The optimal composition of Methylophilus quaylei culture medium for the exopolysaccharide production increasing were selected (the ratio C/N, the concentration of phosphate and calcium chloride).
S. A.M Otman   +2 more
doaj  

Interactions of Surface Exopolysaccharides From Bifidobacterium and Lactobacillus Within the Intestinal Environment

open access: yesFrontiers in Microbiology, 2018
Exopolysaccharides (EPS) are surface carbohydrate polymers present in most bacteria acting as a protective surface layer but also interacting with the surrounding environment. This review discusses the roles of EPS synthesized by strains of Lactobacillus
Nuria Castro-Bravo   +4 more
doaj   +1 more source

Leaf Structure and Hormonal Balance Modulate Host‐Specificity and Pathogenicity of Botrytis cinerea

open access: yesPlant, Cell &Environment, EarlyView.
ABSTRACT Botrytis cinerea, a highly successful necrotrophic fungal plant pathogen, demonstrates a remarkably broad host range, yet the precise factors governing its host specificity and its ability to coexist non‐pathogenically with plants remain unclear. This study systematically assessed host preference in a series of B. cinerea agricultural isolates,
Gautam Anand   +12 more
wiley   +1 more source

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