Julio Muniz, Brazilian protozoologist and immunologist (Cuiabá 22 January 1898 – Rio de Janeiro 06 December 1975)

Authored 103 scientific works

With A.M. Cunha definitely showed the existence of chromatin in bacteria (Bacillus anthracis)

Studied in details the endomixia in Ciliata (with A. Cunha & G. de Freitas)

Described the phenomenon of conditioned or passive hemolysis independent from Middlebrook

Action of red cells sensitized with the polysaccharide fraction of the Schizotrypanum cruzi in the presence of specific sera. Conditioned hemolysis, one case of immunity reaction. Newsl. Soc. Amer. Bacteriol., p1-9, 1949  

Demonstrated the importance of hipersensibility reactions in Chagas disease pathogeny

With A.Penna de  Azevedo. Novo conceito de patogenia da doença de Chagas (tripanosomiasis americana). O Hospital 32:165-83, 1947

Developed a precipitation reaction for diagnosis of Chagas disease (Muniz-Freitas reaction or test) being the first use of an agglutination reaction in human cases of Chagas disease

With G. de Freitas. Contribuição para o diagnóstico da doença de Chagas pela reação de imunidade. Mem. Inst. Oswaldo Cruz 41:303-19, 1944

Developed Muniz-Freitas medium for Trypanosoma cruzi

With G. de Freitas. Realização “in vitro” do ciclo de S. cruzi no vertebrado, em meios de caldo líquido peritoneal. Rev. Bras. Biol. 6:467-84, 1946

Observed the first cases of spontaneous leishmaniasis in guinea pigs an described the causative agent (Leishmania enrietti)

With H. Medina. Estudos sobre leishmaniose. I. Primeiros casos de leishmaniose espontânea observados em cobaias. Arq. Biol. Tecnol. 1:39-74, 1946

DESCRIBED PROTOZOA TAXA (all with A. Cunha except one)

Family

Hallidae 1927

Genera

Bundleia 1928

Buissonella 1925

Hydrochoerella 1925

Protohallia 1927

Protolutzia 1925

Species

Balantidium aragaoi 1927

Balantidium ranarum 1927

Balantidium simile 1930

Blepharocorys hydrochoeri 1925

Bundleia bathypharyngea 1928

Cycloposthium caudatum 1927

Cycloposthium cristatum 1927

Cycloposthium magnum 1927

Cycloposthium minutum 1927

Eimeria travassosi 1928

Enteromonas lagostomi 1927

Enteromonas wenyoni 1927 

Eutrichomastix aguti 1927

Eutrichomastix gracilis

Herpetomonas culicidarum 1928

Hydrochoerella intestinalis 1925

Leishmania (Leishmania) enriettii 1948 with Medina

Monocercomonas caviae 1921

Monocercomonas cruzi 1925

Monocercomonas globosus

Monocercomonas hassalli 1927

Octomitus acuminatus 1925

Octomitus avium 1925

Octomitus elongatus 1925

Octomitus pitheci 1929

Protohallia uncinata 1927

Sphaerita minor 1923

Toxodinium vorax 1926

Trichomonas aragaoi 1927 

Trichomonas felis 1922 

Trichomonas lanceolata 1926

Trichomonas megastoma 1927

HONORS (Ciliate Protozoa)

Muniziella Fonseca 1939

Cunhamunizia Ito & Imai 2000

Subg. Mundinia Shaw, Camargo & Teixeira 2016