scholarly journals Clonal variation within a mucosal isolate derived from a patient with Leishmania (Viannia) braziliensis infection

1991 ◽  
Vol 33 (5) ◽  
pp. 343-350 ◽  
Author(s):  
César Augusto Cuba-Cuba ◽  
David Evans ◽  
Ana de Cassia Rosa ◽  
Philip Davis Marsden
Keyword(s):  
Monoclonal Antibodies ◽  
Cellulose Acetate ◽  
Phenotypic Variation ◽  
Gel Electrophoresis ◽  
Clonal Variation ◽  
Starch Gel Electrophoresis ◽  
Mucosal Leishmaniasis ◽  
Starch Gel

Three isolates over 5 years from a patient with persistent relapsing mucosal leishmaniasis due to Leishmania (Viannia) braziliensis and 7 clones from one of these isolates were studied by zymodemes and scrodemes analysis. Results showed evidences of clonal phenotypic variation. Eight isoenzymes markers demonstrated clear differences on Cellulose Acetate (CA) and thin starch gel electrophoresis. Also a panel of specific monoclonal antibodies showed such differences. Our observations provide additional evidence that Leishmania (Viannia) braziliensis is composed by subpopulations of parasites with peculiar biochemical and antigenic characteristics.

Human Prothrombin

1970 ◽  
Vol 24 (03/04) ◽  
pp. 311-324 ◽  
Author(s):  
Th. R Derleth ◽  
J. A Penner
Keyword(s):  
Cellulose Acetate ◽  
Chromatographic Separation ◽  
Gel Electrophoresis ◽  
Specific Activity ◽  
High Specific Activity ◽  
Factor Ix ◽  
Factor Vii ◽  
Starch Gel Electrophoresis ◽  
Multiple Protein ◽  
Starch Gel

SummaryA method is presented for the chromatographic separation of human prothrombin from variable volumes of plasma. The procedure is simple, consisting of chromatography on ECTEOLA which provides a potent product containing factor IX and X activity sufficient for therapeutic use. Additional chromatography on DEAE or Sephadex G200 will produce a prothrombin of high specific activity which appears homogeneous by ultracentrifugation and electrophoresis on cellulose acetate, although multiple protein fractions can be identified on starch gel electrophoresis.Human prothrombin prepared by this method migrates as an alpha 2-globulin and does not appear to be altered electrophoretically or antigenically from its original state in the plasma. The characteristics of human prothrombin obtained from patients with deficiencies of factor VII or IX do not differ from normal.

scholarly journals Further studies on the inheritance of lymph proteins in Drosophila melanogaster

1966 ◽  
Vol 7 (3) ◽  
pp. 287-294 ◽  
Author(s):  
E. J. Duke
Keyword(s):  
Drosophila Melanogaster ◽  
Cellulose Acetate ◽  
Gel Electrophoresis ◽  
Protein Fraction ◽  
Autosomal Gene ◽  
Single Pair ◽  
Starch Gel Electrophoresis ◽  
Dominant Allele ◽  
The Third ◽  
Starch Gel

The inheritance of three protein fractions of third instar larval lymph in Drosophila melanogaster as detected by starch gel electrophoresis is described. Each of the three is governed by a single autosomal gene. In two, the dominant allele determines presence, and the recessive absence of the respective fraction. The third protein fraction is governed by a single pair of co-dominant alleles.Comparison of the starch-gel pattern to that obtained on cellulose acetate and on polyacrylamide gel fails to show definite sub-fractionation of those protein bands of which the inheritance has been studied.

Fractionation of Plasminogen by Starch Gel Electrophoresis

1964 ◽  
Vol 12 (01) ◽  
pp. 126-136 ◽  
Author(s):  
Karl H. Slotta ◽  
J. D Gonzalez
Keyword(s):  
Gel Electrophoresis ◽  
Room Temperature ◽  
Broad Band ◽  
Caproic Acid ◽  
Starch Gel Electrophoresis ◽  
Full Activity ◽  
Veronal Buffer ◽  
Starch Gel ◽  
Alkaline Range

SummaryWhen urea or ε-amino caproic acid were used as solublizing agents for plasminogen in electrophoretic experiments, only one broad band of the proenzyme was obtained on acetate cellulose, in starch block, and in acrylamide gel. In starch gel electrophoresis, however, both forms of plasminogen – the native or euglobulin and Kline’s or Pseudoglobulin plasminogen – separated into six bands. These migrated toward the cathode at room temperature in borate or veronal buffer in the alkaline range and showed full activity in fibrinagar-streptokinase plates.

scholarly journals THE INHERITANCE OF ENZYME VARIANTS FOR TYROSINE AMINOTRANSFERASE, NADP-DEPENDENT MALATE DEHYDROGENASE, NADP-DEPENDENT ISOCITRATE DEHYDROGENASE, AND TETRAZOLIUM OXIDASE IN TETRAHYMENA PYRIFORMIS, SYNGEN 1

Genetics ◽  
1973 ◽  
Vol 74 (4) ◽  
pp. 595-603
Author(s):  
D Borden ◽  
E T Miller ◽  
D L Nanney ◽  
G S Whitt
Keyword(s):  
Detailed Analysis ◽  
Malate Dehydrogenase ◽  
Isocitrate Dehydrogenase ◽  
Gel Electrophoresis ◽  
Tetrahymena Pyriformis ◽  
Tyrosine Aminotransferase ◽  
Breeding Program ◽  
Starch Gel Electrophoresis ◽  
Enzyme Locus ◽  
Starch Gel

ABSTRACT The isozymic patterns of tyrosine aminotransferase, NADP malate dehydrogenase, NADP isocitrate dehydrogenase, and tetrazolium oxidase were examined by starch-gel electrophoresis in Tetrahymena pyriformis, syngen 1. The genetics of the alleles controlling these enzymes was studied through a breeding program. Each enzyme locus was shown to assort vegetatively, as do other loci in this organism. A detailed analysis of the assortment process for the tyrosine aminotransferase locus indicated that the rate of stabilization of heterozygotes into pure types was essentially identical to previously-reported rates for other loci.

STARCH GEL ELECTROPHORESIS OF MYOGEN FROM CHICKEN BREAST MUSCLE IN CONSTANT AND GRADIENT BUFFER SYSTEMS

1963 ◽  
Vol 41 (1) ◽  
pp. 369-387 ◽  
Author(s):  
J. M. Neelin
Keyword(s):  
Gel Electrophoresis ◽  
Protein Concentration ◽  
Breast Muscle ◽  
Chicken Breast ◽  
Starch Gel Electrophoresis ◽  
Two Dimensional ◽  
Sodium Cacodylate ◽  
Gradient Systems ◽  
Optimal Separation ◽  
Starch Gel

By varying conditions of starch gel electrophoresis, factors contributing to the resolution of myogen proteins from chicken breast muscle have been studied. Variables examined included composition of the myogen extractant, protein concentration, ionic strength of electrophoretic media, pH of gel media, plane and direction of electrophoresis, and the nature of cations and anions in gel media and bridge solutions. The significance of anions was more closely studied with constant buffer systems, and gradient systems in which bridge electrolyte differed from, and gradually altered, the gel medium. Optimal separation was obtained in gradient systems with 0.10 M sodium chloride bridge solutions, and gel media of sodium cacodylate, pH 6.9, μ 0.010, which resolved 12 cationic zones, and sodium veronal, pH 7.4, μ 0.010, which resolved 10 anionic zones. These buffers in two-dimensional sequence revealed a total of about 24 components in this myogen.

Morphological and biochemical systematics of chubs, Nocomis biguttatus and N. micropogon (Pisces: Cyprinidae), in southern Ontario

1981 ◽  
Vol 59 (5) ◽  
pp. 771-775 ◽  
Author(s):  
Moira M. Ferguson ◽  
David L. G. Noakes ◽  
Roy G. Danzmann
Keyword(s):  
Gel Electrophoresis ◽  
Function Analysis ◽  
Morphological Differentiation ◽  
Sexually Dimorphic ◽  
Starch Gel Electrophoresis ◽  
Southern Ontario ◽  
Electrophoretic Mobilities ◽  
Starch Gel ◽  
Respective Species ◽  
Probability Of Misclassification

Examination of 17 presumptive gene loci by starch-gel electrophoresis revealed differential mobilities only at acid phosphatase-1, alcohol dehydrogenase, esterase-1, and phosphoglucomutase between Nocomis biguttatus and N. micropogon. No intraspecific variation was observed for any loci. The genetic identity (I) and genetic distance (D) were 0.874 and 0.134, respectively. The correlation of electrophoretic mobilities and nuptial tubercle pattern in sexually dimorphic males supports the present taxonomic distinction of these species and provides a simple, unambiguous means of identifying any individuals.Stepwise discriminant function analysis of a series of mensural characters was used to compare fish identified as to species by electrophoresis. At best this correctly assigned fish to their respective species in 85.7% of cases, with a probability of misclassification of 0.1335.This study suggests these two are sibling species, based on a comparison of biochemical and morphological differentiation.

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