Friedrich (Fritz) Ottensooser, German-born Brazilian geneticist and hematologist (Nuremberg 19 July 1891 – São Paulo 24 December 1974)

ACHIEVEMENTS

Suggested a mathematical formula for computing racial mixture through blood groups known as Bernstein-Ottensooser method for studying genetic markers

Calculo do grau de mistura racial através dos grupos sanguíneos. Rev. Bras. Biol. 4(4):531-7, 1944

Discovered that lectins of Vicia graminea seeds are able to agglutinate human blood group N.

With K. Silberschmidt. Haemagglutinin anti-N in plant seeds. Nature 172:914, 1953

Described cold lectins, plant agglutinins which act more strongly as temperature is decreased

With M. Sato. Cold lectins. Vox sanguinis 8(6):733-4, 1963

With M. Sato described anti-A+B phytohemagglutinins found in variants of Phaseolus vulgaris (1964)

With M. Sato described absorption-inhibiton tests for identification of the ABO blood group substances in semen (1967)

With R. Sato & M. Sato. A new anti-B lectin. Transfusion 8(1):44-46, 1968

Isolated lectins detecting C group streptococci from Wisteria floribunda

With Y. Nakamizo, M. Sato, Y. Miyamoto & K. Takizawa. Lectins detecting C group streptococci. Infect. Immun. 9(5):971-3, 1974

Specific antibodies in plants. Arq. Cir. Clin. Exp. 39(323):76-82, 1955

With O. Mellone & O. Yahn. Identification of Lewis a antibody, probable cause of hemolytic disease of the newborn. Rev. Paul. Med. 42(1):38-47, 1953

With P.C. Junqueira, P.J. Wishart, R. Pasqualin, P. Loureiro Fernandes & H. Kalmus. The Diego blood factor in Brazilian Indians. Nature 177:41, 1956