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FROM A MONO TO A DIGENETIC LIFE-CYCLE: HOW WAS THE JUMP FOR FLAGELLATES OF THE FAMILY TRYPANOSOMATIDAE?
Gambá
Glândulas perfumadas
Trypanosomatids de insetos monogenéticos
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Abstract in Portuguese
Foi verificado que tanto espécies digenéticas do gênero Trypanosoma como espécies de tripanosomatídeos monogenéticos de insetos, podem desenvolver-se no lúmen das glândulas de cheiro do gambá, reproduzindo o ciclo que fazem no tubo digestivo dos insetos que lhes servem de hospedeiros e/ou transmissores. Com base nesses achados especula-se sobre o ciclo incompletamente conhecido de muitos tripanosomas de mamíferos e sobre a evolução da família Trypanosomatidae.
Abstract
It has been found that species of the digenetic genus Trypanosoma as well as species of monogenetic trypanosomatids of insects can grow in the lumen of the scent glands of opossums reproducing the cycle they perform in the intestinal tract of their insect hosts. Based on these findings, speculations are made on the incompletely known cycles of many mammalian trypanosomes and on the evolution of the family Trypanosomatidae.
Keywords in Portuguese
TrypanosomaGambá
Glândulas perfumadas
Trypanosomatids de insetos monogenéticos
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