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3 Acta Parasitologica

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The effect of blood-cycle synchronicity on the chloroquine sensitivity of Plasmodium chabaudi

100%

Tahar R. , Gautret P. , Landau I.

Acta Parasitologica

1995

tom 40

nr 2

Plasmodium chabaudi, a rodent malaria parasite with a synchronous asexual cycle in the blood, depending on the host’s circadian rhythm, was desynchronized by modifying its normal timing: blood taken from a donor mouse in the morning was kept 8 h at +4°C and inoculated in the evening into naive mice. When the infection had become asynchronous (from day 4 to day 7) mice were treated with a single dose of chloroquine. The efficacy of chloroquine was lower in mice with an asynchronous infection than in the control mice with a normally synchronous infection.

The production of gametocytes by rodent Plasmodium species in mice during phenylhydrazine induced reticulocytosis

100%

Gautret P. , Coquelin F. , Chabaud A. G. , Landau I.

tom 42

nr 2

A reticulocytosis induced by injections of phenylhydrazine to white mice enhanced the gametocyte production of Plasmodium berghei. Gametocytogenesis of P. yoelii and P. vinckei petteri were not affected by phenylhydrazine treatment.

Species of Plasmodium of passerine birds with four nuclei, with description of new species

88%

Paperna I. , Yosef R. , Chavatte J-M. , Gill H. , Landau I.

Acta Parasitologica

2008

tom 53

nr 3

We describe and discuss species of Plasmodium with four nuclei arranged in doublets or forming a maltese cross and loose, residual cytoplasm, described from Passer hispaniolensis in Algeria. The following species are described: Plasmodium rouxi from Alauda arvensis, from France Plasmodium mohammedi sp. nov. from Passer domesticus biblicus and Plasmodium pachysomum sp. nov. from Anthus campestris, from Israel, Plasmodium pfefferi sp. nov. from Pica pica and Plasmodium sergentorum sp. nov. from Alauda arvensis and Pica pica from France and Plasmodium stellatum sp. nov. from Muscicapa striata from Israel. All species vary in the spatial position of their four nuclei and the presence or absence of refractile, blue-staining globules. All of the described species differ from P. vaughani Novy et Mac Neal, 1904 and its siblings (example: P. vaughani merulae Corradetti et Scanga, 1973) in their number of merozoites (always four versus four to eight in the latter) and their spatial arrangement in the schizont.