Results 21 to 30 of about 5,885,878 (288)

AN ADENOSINETRIPHOSPHATE-ACTIVATED HEMOLYTIC SYSTEM [PDF]

open access: yesThe Journal of General Physiology, 1956
1. Hemolyzed rabbit cells contain a factor which lyses human erythrocytes in vitro when Mg++ and certain nucleotides are supplied to the system. Of the nucleotides tested ATP is the most active, although no net loss of ATP or of labile phosphate seems to be associated with the hemolytic process. 2.
B A, BOREK, M, BOVARNICK
openaire   +2 more sources

Hemolytic activity and biofilm-formation among clinical isolates of group B streptococcus causing acute urinary tract infection and asymptomatic bacteriuria [PDF]

open access: yes, 2021
Streptococcus agalactiae, also known as group B Streptococcus, is an aetiological agent of urinary tract infection (UTI) in adults, including cystitis, pyelonephritis and asymptomatic bacteriuria (ABU). Whereas ABU-causing S.
Kelvin G.K. Goh   +12 more
core   +1 more source

THE FIBRINOLYTIC ACTIVITY OF HEMOLYTIC STREPTOCOCCI [PDF]

open access: yesJournal of Experimental Medicine, 1933
Broth cultures of hemolytic streptococci derived from patients are capable of rapidly liquefying normal human fibrin clot. The active fibrinolytic principle is also contained in sterile, cell-free filtrates of broth cultures. The degree of activity of filtrates parallels the activity of whole broth cultures sufficiently closely to ...
W S, Tillett, R L, Garner
openaire   +2 more sources

Hemolytic activity of Borrelia burgdorferi [PDF]

open access: yesInfection and Immunity, 1992
Zones of beta-hemolysis occurred around colonies of Borrelia burgdorferi grown on Barbour-Stoenner-Kelly medium containing agarose and horse blood. Blood plates were inoculated with either the infective strain Sh-2-82 or noninfective strain B-31 in an overlay and incubated in a candle jar. Both strains of B. burgdorferi displayed beta-hemolysis after 1
L R, Williams, F E, Austin
openaire   +2 more sources

In Vitro Biological Activity and Lymphoma Cell Growth Inhibition by Selected Mexican Medicinal Plants

open access: yesLife, 2023
Cancer is a major health problem with significant morbidity and mortality. In addition, plants are a source of metabolites with diverse biological properties, including antitumor potential.
Nancy E. Rodríguez-Garza   +6 more
doaj   +1 more source

Biological activities of aqueous and organic extracts from tropical marine sponges [PDF]

open access: yes, 2010
We report on screening tests of 66 extracts obtained from 35 marine sponge species from the Caribbean Sea (Curaçao) and from eight species from the Great Barrier Reef (Lizard Island). Extracts were prepared in aqueous and organic solvents and were tested
Dietrich Mebs   +7 more
core   +1 more source

Comparison of hemolytic activity of the intermediate subunit of Entamoeba histolytica and Entamoeba dispar lectins. [PDF]

open access: yesPLoS ONE, 2017
Galactose and N-acetyl-D-galactosamine-inhibitable lectin of Entamoeba histolytica has roles in pathogenicity and induction of protective immunity in rodent models of amoebiasis. Recently, the intermediate subunit of the lectin, Igl1, of E.
Kentaro Kato   +3 more
doaj   +1 more source

Carboxyl-Terminal Residues N478 and V479 Required for the Cytolytic Activity of Listeriolysin O Play a Critical Role in Listeria monocytogenes Pathogenicity

open access: yesFrontiers in Immunology, 2017
Listeria monocytogenes is a facultative intracellular pathogen that secretes the cytolysin listeriolysin O (LLO), which enables the bacteria to cross the phagosomal membrane. L.
Changyong Cheng   +19 more
doaj   +1 more source

The hemolytic and cytolytic activities of Serratia marcescens phospholipase A (PhlA) depend on lysophospholipid production by PhlA

open access: yesBMC Microbiology, 2009
Background Serratia marcescens is a gram-negative bacterium and often causes nosocomial infections. There have been few studies of the virulence factors of this bacterium. The only S.
Koizumi Nobuo   +5 more
doaj   +1 more source

Characteristics of hemolytic activity induced by skin secretions of the frog Kaloula pulchra hainana

open access: yesJournal of Venomous Animals and Toxins including Tropical Diseases, 2013
Background The hemolytic activity of skin secretions obtained by stimulating the frog Kaloula pulchra hainana with diethyl ether was tested using human, cattle, rabbit, and chicken erythrocytes.
Shuangshuang Wei   +6 more
doaj   +1 more source

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