Gametocyte-infected Blood
Gametocyte-infected Blood - Related Videos
09:23
Plasmodium falciparum Gametocyte Culture and Mosquito Infection Through Artificial Membrane Feeding
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Cited by 68 •
2020
Detailed investigations on mosquito stages of malaria parasites are critical to design effective transmission blocking strategies. This protocol demonstrates how to effectively culture infectious gametocytes and then feed these gametocytes to mosquitoes to generate mosquito stages of P. falciparum.
14:10
Protocol for Plasmodium falciparum Infections in Mosquitoes and Infection Phenotype Determination
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Cited by 9 •
2007
Once a gene is identified as potentially refractory for malaria, it must be evaluated for its role in preventing Plasmodium infections within the mosquito. This protocol illustrates how the extent of plasmodium infections of mosquitoes can be assayed. The techniques for preparing the gametocyte culture, membrane feeding mosquitoes human blood, and assaying viral titers in the mosquito midgut are demonstrated.
13:50
Sequencing of Bacterial Microflora in Peripheral Blood: our Experience with HIV-infected Patients
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Cited by 7 •
2011
Our experiment will show how to perform a sequencing analysis of bacterial species translocating in peripheral blood of HIV positive patients.
02:41
An In Vitro Model for Studying Pathogen Crossing of the Blood-Brain Barrier and Brain Cell Infection
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2025
This video demonstrates an in vitro model to study pathogens crossing the blood-brain barrier (BBB). Microvascular endothelial cells, which express tight junctions, form an endothelial layer in the upper chamber, while neurons, astrocytes, and microglia represent the brain parenchyma in the lower chamber, separated by a porous membrane. Virus infection in the BBB model mimics the pathogen crossing from blood to the brain. Upon introducing a neurotropic virus, it crosses the BBB via...
07:59
Bioluminescence Imaging to Detect Late Stage Infection of African Trypanosomiasis
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Cited by 3 •
2016
This manuscript describes the use of a bioluminescent strain of African trypanosomes to enable the tracking of late stage infection and demonstrates how in vivo live imaging can be used to visualize infections within the central nervous system in real-time.
FAQs
Once an infectious blood meal enters the mosquito midgut, environmental cues initiate gametogenesis, the transition into active sexual development. The sequence then includes gamete formation, fertilization, and progression into mosquito-stage parasites. Studying these transitions helps identify biological points at which transmission may be interrupted before the parasite develops further in the vector.
The sexual stage links parasites in human blood with development in the mosquito. Because gametocytes support the transition from an infectious blood meal to mosquito-stage parasites, they provide a focused system for investigating transmission-blocking strategies. This makes them relevant to vaccine development and to evaluating whether antimalarial interventions could reduce onward transmission.
Researchers can examine how the host immune response relates to infected erythrocytes and the immune cells that encounter them. These studies address whether parasite survival and immune recognition are connected to interactions at the red blood cell surface or within the surrounding blood environment. The findings can clarify how infectious blood stages contribute to malaria biology.
Gametocyte-infected erythrocytes provide a setting for studying two linked processes: how the parasite persists in blood and how immune cells respond to the infected cell. Examining these relationships can reveal features of host-parasite interaction that affect the survival of infectious stages. Such information supports a more complete understanding of transmission biology and immune control.
Following the material from an infectious blood meal through gametogenesis, fertilization, and mosquito-stage development allows researchers to connect events in human blood with later parasite progression in the vector. This approach can identify where transmission succeeds or is disrupted. It also provides a framework for comparing parasite survival with host and vector-related conditions.
It supplies a biologically relevant context for testing strategies intended to prevent parasites from progressing after a mosquito takes an infectious blood meal. Researchers can focus on the sexual-stage transition, including gametogenesis and fertilization, rather than only on parasite presence in human blood. Results may guide development of vaccines that reduce malaria transmission to mosquitoes.
Gametocyte-infected blood helps drug researchers consider parasite stages that are directly connected to transmission, not only infection within the human host. Investigations can examine parasite survival and the progression toward mosquito-stage forms. This expands discovery efforts toward compounds or strategies that may reduce the likelihood that an infectious blood meal produces onward parasite development.
Because it represents a blood stage capable of initiating parasite development in mosquitoes, its study connects individual host infections with population-level transmission. Research on parasite survival, immune responses, and mosquito-stage progression can help explain why infectious blood stages matter in malaria spread. These findings contribute to understanding transmission patterns and the epidemiological importance of infectious blood.