Results 81 to 90 of about 20,212 (212)

A Possible Involvement of Sialidase in the Cell Response of the Antarctic Fungus Penicillium griseofulvum P29 to Oxidative Stress

open access: yesLife
Sialidases/neuraminidases remove terminal sialic acid residues from glycoproteins, glycolipids, and oligosaccharides. Our previous research has revealed the distribution of sialidase in non-clinical fungal isolates from different ecological niches ...
Radoslav Abrashev   +11 more
doaj   +1 more source

Relationship between Vaginal Sialidase Levels with Threatened of Preterm Labour

open access: yesIndonesian Journal of Obstetrics and Gynecology, 2018
Objective: To investigate the association between vaginal sialidase levels and threatened of preterm labor. Methods: A cross sectional study design was used.
Bambang Sulistyo   +2 more
doaj   +1 more source

The gut microbiome organ

open access: yesiMeta, Volume 5, Issue 4, August 2026.
The gut microbiome can be conceptualized as a distributed organ‐like functional system with spatially structured organization, broad biochemical capacity, and continuous bidirectional communication with the host. By transforming dietary, host‐derived, and environmental substrates into bioactive metabolites with endocrine‐like, immunomodulatory, and ...
Yang Bi   +22 more
wiley   +1 more source

Synthesis and Characterization of Sialylated Lactose- and Lactulose-Derived Oligosaccharides by Trypanosoma cruzi Trans-sialidase

open access: yes, 2019
Sialylated oligosaccharides contribute 12.6–21.9% of total free oligosaccharides in human milk (hMOS). These acidic hMOS possess prebiotic properties and display antiadhesive effects against pathogenic bacteria.
Geert A. ten Kate (1576552)   +3 more
core   +1 more source

Trypanosoma rangeli sialidase: lack of activity in stocks from Panama and other regions

open access: yesMemorias do Instituto Oswaldo Cruz, 2005
A total of 33 crude and cloned Trypanosoma rangeli stocks found as natural infections in human from Panama and other endemic areas of Central and South America were evaluated as producers of sialidase (SA) activity through the MU-NANA fluorescence test ...
Octavio E Sousa   +2 more
doaj   +1 more source

Bacterial sialoglycosidases in Virulence and Pathogenesis

open access: yesPathogens, 2019
Human oral microbiome and dysbiotic infections have been recently evidently identified. One of the major reasons for such dysbiosis is impairment of the immune system.
Preethi Sudhakara   +2 more
doaj   +1 more source

A new sialidase mechanism: bacteriophage K1F endo-sialidase is an inverting glycosidase.

open access: yesThe Journal of biological chemistry, 2009
Bacteriophages specific for Escherichia coli K1 express a tailspike protein that degrades the polysialic acid coat of E. coli K1 that is essential for bacteriophage infection. This enzyme is specific for polysialic acid and is a member of a family of endo-sialidases.
Morley, Thomas J.   +4 more
openaire   +2 more sources

Streptococcus pneumoniae Sialidase SpNanB-Catalyzed One-Pot Multienzyme (OPME) Synthesis of 2,7-Anhydro-Sialic Acids as Selective Sialidase Inhibitors [PDF]

open access: yes, 2018
Streptococcus pneumoniae sialidase SpNanB is an intramolecular trans-sialidase (IT-sialidase) and a virulence factor that is essential for streptococcal infection of the upper and lower respiratory tract.
Li, Wanqing   +7 more
core   +1 more source

Regulation of Sialidase Biosynthesis by Control Mechanism Induction in Antarctic Strain Penicillium griseofulvum P29

open access: yesSci
In recent years, sialidases (neuraminidases) derived from non-clinical sources have attracted considerable interest due to their potential applications in the food and pharmaceutical industries.
Radoslav Abrashev   +12 more
doaj   +1 more source

The Sialidase NanS Enhances Non-TcsL Mediated Cytotoxicity of Clostridium sordellii

open access: yesToxins, 2016
The clostridia produce an arsenal of toxins to facilitate their survival within the host environment. TcsL is one of two major toxins produced by Clostridium sordellii, a human and animal pathogen, and is essential for disease pathogenesis of this ...
Milena M. Awad   +2 more
doaj   +1 more source

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