Joseph Leon Lignières

Joseph Leon Marcel Lignières (March 26, 1868, Saint-Mihiel, Meuse, France – October 19, 1933, Buenos Aires, Argentina) was a French-Argentinian veterinarian and bacteriologist, the binomial authority for the Salmonella genus of bacteria.

Biography Joseph Léon Marcel Lignières was born in Saint-Mihiel, Meuse. He studied at the École vétérinaire d'Alfort from 1886 to 1890. In late 1890, he was appointed assistant repeater of the chair of contagious diseases, presided over by Edmond Nocard. He became chief of studies in 1894 until January 1898.

On January 1, 1898, he was assigned a mission in Argentina to study infectious diseases such as "tristeza" and "bovine malaria".

He described actinobacillosis and isolated Actinobacillus and worked on actinomycoses, gastrointestinal strongylosis of sheep, and foot-and-mouth disease. In 1912, he published the first description of sheep atherosclerosis.

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