AI Article Synopsis
- A new bacterium, Flavobacterium sp. F-31, was isolated that can use fucoidan from the brown alga Cladosiphon okamuranus as its only carbon source.
- This strain produces enzymes that break down fucoidan and remove sulfate groups, but the ability to desulfate only occurs when fucoidan's molecular weight is significantly reduced.
- Fucoidan is the only substance found to trigger the production of these degrading enzymes in the bacterium.
Article Abstract
A bacterium utilizing fucoidan from the brown alga Cladosiphon okamuranus as sole carbon source was isolated and identified as Flavobacterium sp. F-31. The strain produced intracellular enzymes involved in fucoidan degradation and desulfation, but desulfation activity was not detected until the molecular weight of fucoidan fell to less than several tens of thousands due to enzymatic degradation. Only fucoidan proved to be an inducible substance for the production of the degrading enzymes.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1271/bbb.100327 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Immobilization of purified pectinase from Aspergillus nidulans on chitosan and alginate beads for biotechnological applications.
Microb Cell Fact
January 2025
Botany and Microbiology Department, Faculty of Science, Benha University, Benha, Egypt.
Background: Because the process is cost-effective, microbial pectinase is used in juice clearing. The isolation, immobilization, and characterization of pectinase from Aspergillus nidulans (Eidam) G. Winter (AUMC No.
View Article and Find Full Text PDFIsolation and characterization of ɸEcM-vB1 bacteriophage targeting multidrug-resistant Escherichia coli.
BMC Res Notes
January 2025
Department of Microbiology and Immunology, Faculty of Pharmacy, Damanhour University, Damanhour, Egypt.
Objectives: The aim of this study is to screen for, isolate and characterize a bacteriophage designated ɸEcM-vB1 with confirmed lytic activity against multidrug-resistant (MDR) E. coli. Methods done in this research are bacteriophage isolation, purification, titer determination, bacteriophage morphology, host range determination, bacteriophage latent period and burst size determination, genomic analysis by restriction enzymes, and bacteriophage total protein content determination.
View Article and Find Full Text PDFCryoSCAPE: Scalable immune profiling using cryopreserved whole blood for multi-omic single cell and functional assays.
J Transl Med
January 2025
Allen Institute for Immunology, Seattle, WA, USA.
Background: The field of single cell technologies has rapidly advanced our comprehension of the human immune system, offering unprecedented insights into cellular heterogeneity and immune function. While cryopreserved peripheral blood mononuclear cell (PBMC) samples enable deep characterization of immune cells, challenges in clinical isolation and preservation limit their application in underserved communities with limited access to research facilities. We present CryoSCAPE (Cryopreservation for Scalable Cellular And Proteomic Exploration), a scalable method for immune studies of human PBMC with multi-omic single cell assays using direct cryopreservation of whole blood.
View Article and Find Full Text PDFEmergence and clinical challenges of ST11-K64 carbapenem-resistant Klebsiella pneumoniae: molecular insights and implications for antimicrobial resistance and virulence in Southwest China.
BMC Infect Dis
January 2025
Department of Clinical Laboratory, Key Laboratory of Clinical Laboratory Medicine of Guangxi Department of Education, the First Affiliated Hospital of Guangxi Medical University, Nanning, China.
Background: In clinical practice, the emergence of ST11-K64 carbapenem-resistant Klebsiella pneumoniae (ST11-K64 CRKP) has become increasingly alarming. Despite this trend, limited research has been conducted to elucidate the clinical and molecular characteristics of these strains.
Objectives: This study aimed to comprehensively investigate the clinical characteristics, antimicrobial resistance patterns, resistance and virulence-associated genes, and molecular epidemiology of ST11-K64 CRKP in Southwest China.
Characterization and metabolomic profiling of endophytic bacteria isolated from Moringa oleifera and Piper betel leaves.
Sci Rep
January 2025
Department of Biotechnology, College of Agriculture, Junagadh Agricultural University, Junagadh, India.
Endophytes are microorganisms residing in plant tissues without causing harm and their relevance in medicinal plants has grown due to their biomolecules used in pharmaceuticals. This study isolated two endophytic bacterial strains from the leaves of M. oleifera and P.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!