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Titolo:
PLASMODIUM VINCKEI VINCKEI, PV-LENTUM AND P-YOELII-YOELII - CHRONOBIOLOGY OF THE ASEXUAL CYCLE IN THE BLOOD
Autore:
GAUTRET P; DEHARO E; CHABAUD AG; GINSBURG H; LANDAU I;
Indirizzi:
MUSEUM NATL HIST NAT,CNRS,URA 114,BIOL PARASITAIRE LAB,61 RUE BUFFON F-75231 PARIS 05 FRANCE MUSEUM NATL HIST NAT,EPHE,PROTOZOOL & PARASITOL COMPAREE LAB F-75231 PARIS 05 FRANCE HEBREW UNIV JERUSALEM,DEPT BIOL CHEM JERUSALEM ISRAEL
Titolo Testata:
Parasite
fascicolo: 3, volume: 1, anno: 1994,
pagine: 235 - 239
SICI:
1252-607X(1994)1:3<235:PVVPAP>2.0.ZU;2-5
Fonte:
ISI
Lingua:
ENG
Soggetto:
IDENTIFICATION;
Keywords:
PLASMODIUM VINCKEI VINCKEI; PLASMODIUM VINCKEI LENTUM; PLASMODIUM YOELII YOELII; DURATION OF THE ERYTHROCYTIC CYCLE; TIMING OF THE ERYTHROCYTIC CYCLE; SYNCHRONICITY; BIOLOGICAL RHYTHMS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
9
Recensione:
Indirizzi per estratti:
Citazione:
P. Gautret et al., "PLASMODIUM VINCKEI VINCKEI, PV-LENTUM AND P-YOELII-YOELII - CHRONOBIOLOGY OF THE ASEXUAL CYCLE IN THE BLOOD", Parasite, 1(3), 1994, pp. 235-239

Abstract

The biological rhythms of Plasmodium vinckei vinckei, P. v. lentum and P. yoelii yoelii i.e. synchronicity, duration of the erythrocytic cycle, timing of the schizogony and of the penetration of merozoites into red blood cells, were studied in the Swiss white mouse. Two different methods of synchronisation were used: the freezing-thawing of parasitized blood and the inoculation of a single parasitic stage, separatedfrom the other stages by centrifugation through a Percoll(R)-Glucose gradient. The duration of the schizogonic cycle of P. v. vinckei and P. v. lentum, two highly synchronous subspecies, was 24 hours. With P. v. vinckei the timing oi the schizogony was independent of the circadian rhythm of the host and was set by the time of inoculation. With P. v. lentum the timing of the schizogony and merozoites penetration intoled blood cells depended both, on the hosts rhythm and the time oi inoculation of frozen-thawed blood : schizogony occurred at 18:00 if theinoculum was injected at 06:00 or 12:00, and at 06:00 if injected at 18:00 or 00:01. P. y. yoelii a naturally asynchronous parasite was synchronized by means of a Percoll(R)-Glucose gradient. The duration of iis intraerythrocytic cycle was found io be 18 hours, similar to that oi the other subspecies of P. yoelii.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 23/11/20 alle ore 21:45:09