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Zoology and wildlife conservation

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Abstracts » Zoology and wildlife conservation

A nutrient-permeable channel on the intraerythrocytic malaria parasite

Article Abstract:

The transport properties of the two membranes separating the human malaria parasite Pplasmodium falciparum from the cytosol of its red blood cell host were investigated. The study is crucial to understanding how the parasite volume increases 25-fold during its 48-hour cycle inside the RBC, implying transport of large amounts of nutrients across the membranes. Cell-attached patch clamp studied of P. falciparum were perfomed. The results revealed the existence of a channel on the outer parasitophorous vacuole membrane, through which amino acids and monosaccharides are readily transported.

Author: Desai, Sanjay A., Krogstad, Donald J., McCleskey, Edwin W.
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 1993
Analysis, Food and nutrition, Biological transport, Membranes (Biology), Plasmodium falciparum

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Abnormal display of PfEMP-1 on erythrocytes carrying hemoglobin C may protect against malaria

Article Abstract:

A report on a marked effect of haemoglobin C on the cell-surface properties of Plasmodium falciparum-infected erythrocytes involved in pathogenesis is presented. Relative to parasite-infected normal erythrocytes parasitized AC and CC erythrocytes show reduced adhesion to endothelial monolayers expressing CD36 and intercellular adhesion molecule-1 (ICAM-1).

Author: Doumbo, Ogobara K., Wellems, Thomas E., Ho, May, Fairhurst, Rick M., Schwartz, Owen M., Tounkara, Anatole, Baruch, Dror I., Makobongo, Morris O., Brittain, Nathaniel J., Guindo, Aldiouma, Diallo, Dapa A., Ostera, Graciela R., Hayton, Karen, Fujioka, Hisashi, Wallach, John S., Hoang, Holly L.
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2005
United States, Science & research, Diagnosis, Hemoglobin, Hemoglobins

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A voltage-dependent channel involved in nutrient uptake by red blood cells infected with the malaria parasite

Article Abstract:

The whole-cell voltage clamp method was used to study the permeability of red blood cells infected with the malaria parasite.

Author: Desai, Sanjay A., Bezrukov, Sergey M., Zimmerberg, Joshua
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2000

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Subjects list: Research, Erythrocytes, Red blood cells, Malaria
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