Lectins are a glycoprotein that plays significant role in plant and fungi resistance mechanism against insect microorganism attacks. This paper describes for the first time extraction purification of lectin protein found tubers Truffle (Terfezia sp.) by series steps. Initially, precipitated ammonium sulfate accompanied chromatographic techniques include ion-exchange chromatography gel permeatio...

Eckert, Edward A. (The University of Michigan, Ann Arbor). Characterization of a low molecular weight antigenic protein from the envelope of influenza virus. J. Bacteriol. 92:1430-1434. 1966.-An antigenic protein from the lipid-extracted residue of influenza virus strain PR8 was solubilized with urea-dithiothreitol (DTT). The protein subunits had a sedimentation coefficient of 2S in urea-DTT an...

Nonspecific inhibitors of rubella hemagglutination can be removed by treatment of sera with heparin-manganous chloride for use in the hemagglutination-inhibition test. After removal of nonspecific inhibitors by this procedure, an excess of manganous chloride may remain. This may cause the cells to agglutinate, thus obscuring the reading at low serum dilutions. This disadvantage can be overcome ...

An epidemiological study of 36 U.S. Marines living in a barracks and exposed to infectious hepatitis was made, and the ability of their sera to agglutinate day-old chick erythrocytes was found to be abnormally high in 52.8% of the group. The other groups of American Servicemen similarly exposed showed no such deviation from the normally expected incidence of raised titres. An unexplained, abnor...

Studies on lectins are having an increasing impact on medicine, by providing new tools for diagnosis, helping to solve clinical problems, and giving new insights into pathological processes (Lis & Sharon, 1986a, b; Sharon & Lis, 1988). Two early discoveries: that certain lectins are bloodgroup specific while others are mitogenic, have led to their widespread use for blood typing, for assessing ...

A mutant of Staphylococcus aureus H was isolated by virtue of its inability to agglutinate with antibodies against teichoic acid of S. aureus. Immunological studies revealed that the mutant, S. aureus T, possessed a new surface antigen in addition to having the antigenic determinant of the wild-type strain, the ribitol teichoic acid. The presence of this additional surface component rendered st...

Of 137 Staphylococcus aureus strains, 87 agglutinated in normal rabbit serum. The agglutination was shown to be caused by the Fc-part of immunoglobulin G (IgG). F(ab(1))(2)-fragments of IgG and immunoglobulin M (IgM) in corresponding concentrations were unreactive. The agglutinating strains had a high or moderate content of protein A. Strains with a low content of protein A and protein A-negati...

department for agglutination reaction for leptospiral infection. The serum was put up against all the strains of leptospira then available in the laboratory, viz, strain Chopra (classical L. icterohcemorrhagice), Mg. Tin Tin (= Java bat strain), Andaman CH 31, Andaman CH 11, and L. canicola. It failed to agglutinate all these strains except L. canicola. In the latter a few definite clumps were ...

More than 120 years ago, Peter Hermann Stillmark in his doctoral thesis presented in 1888 to the University of Dorpat, gave the earliest step in the study of proteins that have a very interesting feature: the ability to agglutinate erythrocytes. These proteins were initially referred as to hemagglutinins or phytoagglutinins, since they were originally isolated from extracts of plants [1]. The f...

The growth factor requirements, together with the serological results, would seem to justify the view that strain M.G., isolated from a child, M.G., with otitis media, in pure culture has to be regarded as H. haemoglobinophilus (canis). It is interesting to note that two out of the three strains of H. haemoglobinophilus (canis) available in this laboratory agglutinate to a titre of 1:80 with th...