نتایج جستجو برای: alginate lyase
تعداد نتایج: 18914 فیلتر نتایج به سال:
Microfluidic systems for affinity-based cell isolation have emerged as a promising approach for the isolation of specific cells from complex matrices (i.e., circulating tumor cells in whole blood). However, these technologies remain limited by the lack of reliable methods for the innocuous recovery of surface captured cells. Here, we present a biofunctional sacrificial hydrogel coating for micr...
An alginate lyase from the cuiture supernatant of Ehterobacter cloacae M-1 rvas purified by ammonium su]fate precipitation, cation-exchange chromatography (SP-Toyopearl), and gel filtration (Ultrogel AcA44). The final preparation thus obtained showed a single band on SDS-PAGE. The purified enayme had the molecular weight of 38,ooO and 32,OOO by SDS-PAGE and gel filtration, respectiyely. The pl ...
A gram-negative bacterium, Sphingomonas sp. strain A1, isolated as a producer of alginate lyase, has a characteristic cell envelope structure and forms a mouth-like pit on its surface. The pit is produced only when the cells have to incorporate and assimilate alginate. An alginate uptake-deficient mutant was derived from cells of strain A1. One open reading frame, algS (1,089 bp), exhibiting ho...
Alginates pertain to organic polysaccharides that have been extensively used in food- and medicine-related industries. The present study obtained alginates from an alginate overproducing Pseudomonas aeruginosa PAO1 mutant by screening transposon mutagenesis libraries. The interaction between bacterial and seaweed alginates and gut microbiota were further studied by using an in vitro batch ferme...
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