Results 1 to 10 of about 205,007 (347)

MITOCHONDRIA OF PROTOZOA [PDF]

open access: bronzeThe Journal of Cell Biology, 1956
A study of thin sections of Paramecium multimicronucleatum, Tetrahymena pyriformis, Tokophrya infusionum, and Amoeba proteus shows that the mitochondria in all these protozoa are similar in certain aspects of their fine structure to that described in metazoan cells.
Albert W. Sedar, Maria A. Rudzinska
openalex   +4 more sources

Psychology of Protozoa [PDF]

open access: greenNature, 1889
THE first of these two works on the psychology of Protozoa is disappointing. Its main object, as indicated in its title, is to investigate the claims which from time to time have been put forward on behalf of unicellular organisms to the possession of consciousness and a certain low order of mental life.
George John Romanes
openalex   +4 more sources

Hæmoglobin in Protozoa [PDF]

open access: bronzeNature, 1953
THE presence of haemoglobin in the ciliate Paramecium caudatum was discovered by Sato and Tamiya1. This is the first, and so far the only, record of the occurrence of haemoglobin in Protozoa, one of the largest phyla of the animal kingdom.
D. Keilin, J. F. Ryley
openalex   +3 more sources

Concomitant infections, parasites and immune responses. [PDF]

open access: yes, 2001
Concomitant infections are common in nature and often involve parasites. A number of examples of the interactions between protozoa and viruses, protozoa and bacteria, protozoa and other protozoa, protozoa and helminths, helminths and viruses, helminths ...
Cox, FE
core   +5 more sources

Depletion of Toxoplasma adenine nucleotide translocator leads to defects in mitochondrial morphology

open access: yesParasites & Vectors, 2022
Background Adenine nucleotide translocase (ANT) is a protein that catalyzes the exchange of ADP/ATP across the inner mitochondrial membrane. Beyond this, ANT is closely associated with cell death pathways and mitochondrial dysfunction.
Yihan Wu   +5 more
doaj   +1 more source

Transcriptomic and metabolomic analyses reveal the essential nature of Rab1B in Toxoplasma gondii

open access: yesParasites & Vectors, 2023
Background The protozoan parasite Toxoplasma gondii encodes a dozen Rab proteins, which are parts of the small GTPase superfamily and regulate intracellular membrane trafficking.
Kai He   +5 more
doaj   +1 more source

Establishment of Recombinant Eimeria acervulina Expressing Multi-Copies M2e Derived from Avian Influenza Virus H9N2

open access: yesVaccines, 2021
The potential of Eimeria parasites as live vaccine vectors has been reported with successful genetic manipulation on several species like E. tenella, E. mitis and E. necatrix. Among seven Eimeria species infecting chickens, E.
Sixin Zhang   +11 more
doaj   +1 more source

Requirement of Toxoplasma gondii metacaspases for IMC1 maturation, endodyogeny and virulence in mice

open access: yesParasites & Vectors, 2021
Background Metacaspases are multifunctional proteins found in plants, fungi and protozoa, and are involved in processes such as insoluble protein aggregate clearance and cell proliferation.
Muzi Li   +7 more
doaj   +1 more source

Microneme Protein 6 Is Involved in Invasion and Egress by Neospora caninum

open access: yesPathogens, 2021
Background: Neospora caninum, is the etiological agent of neosporosis, an infection that causes abortions in cattle and nervous system dysfunction in dogs. Invasion and egress are the key steps of the pathogenesis of N. caninum infection.
Xianmei Wang   +6 more
doaj   +1 more source

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