What cells does the Zika virus infect?

Table 1

Origin	Cell Targets	Potential Entry Receptor
Placenta	Trophoblasts	Axl, Tyro3, TIM1
Placenta	Endothelial cells	Axl, Tyro3, TIM1
Brain	Neuronal progenitor cells (NPCs)	Axl, TLR3
Brain	Astrocytes and glial cells	Axl

Besides, how does the Zika virus replicate?

Zika virus is transmitted primarily through the bite of an infected female mosquito. Mosquitoes become infected when they bite a person who is infected with the virus. The virus then replicates and spreads within the mosquito so that when the infected mosquito bites again, the virus is spread to another person.

Also Know, how does Zika virus enter the body? The Zika virus is most often spread to a person through the bite of an infected mosquito. If a mosquito bites a person who is already infected with the Zika virus, the virus infects the mosquito. Then, when the infected mosquito bites another person, the virus enters that person's bloodstream and causes an infection.

Keeping this in consideration, how does the Zika virus enter a cell?

The flaviviridae family comprises single-stranded RNA viruses that enter cells via clathrin-mediated pH-dependent endocytosis.

What organism causes Zika?

Zika virus is a single-stranded RNA virus of the Flaviviridae family, genus Flavivirus. Zika virus is transmitted to humans primarily through the bite of an infected Aedes species mosquito (Ae. aegypti and Ae. albopictus).

Related Question Answers

What is the causative agent of Zika virus?

Zika virus disease is caused by a virus from the Flavivirus genus, Flaviviridae family, from the Spondweni group. It was first isolated in 1947 from a monkey in the Zika forest, Uganda, then in mosquitoes (Aedes africanus) in the same forest in 1948, and in a human in Nigeria in 1952.

What is the possible site of new Zika virus assembly within infected host cells?

Virus assembly occurs at the endoplasmic reticulum. The virion buds at the endoplasmic reticulum and is transported to the Golgi apparatus. The prM protein is cleaved in the Golgi, thereby maturing the virion which is fusion competent.

What enzyme does Zika virus use to replicate its genome?

Indeed, it was shown that Zika-related arthropod-borne flaviviruses, such as West Nile and Dengue viruses, actively recruit cellular fatty acid synthase, an enzyme that provides long chain fatty acids necessary for membrane lipid synthesis, to the replication sites [48,49,50].

Where was Zika first discovered?

Zika virus was first discovered in 1947 and is named after the Zika Forest in Uganda. In 1952, the first human cases of Zika were detected and since then, outbreaks of Zika have been reported in tropical Africa, Southeast Asia, and the Pacific Islands. Zika outbreaks have probably occurred in many locations.

How is Zika virus most commonly transmitted quizlet?

Zika is spread mostly by the bite of an infected Aedes species mosquito (Ae. aegypti and Ae. albopictus).

How did Zika virus start?

Where Did Zika Go (And Will It Come Back)? In 1947, researchers isolated a new virus from a rhesus monkey in a tropical forest near Entebbe, Uganda. The virus, of the Flavivirus genus, was named Zika after the forest in which it was discovered.

How does Zika cross the placental barrier?

In summary, the ZIKV uses a cell-type specific paracellular pathway to cross the placenta monolayer barrier by disrupting cellular tight junction. In addition, the ZIKV can also cross both the placenta barrier and the BBB by transcytosis.

Is the Zika virus lytic or lysogenic?

So far, neither Zika virus latency (the dormant virus is present within a cell in a lysogenic life cycle and can be reactivated) nor a chronic clinical course of infection have been observed. To date, there is neither a vaccine to prevent Zika virus infections nor is there a specific antiviral treatment.

What is the pathogenesis of Zika virus?

Pathogenesis in humans. Following a mosquito bite from a ZIKV-infected mosquito, ZIKV infects and replicates in dendritic cells, spreading through the blood to other parts of the human body. In most cases, the virus is self-limiting; however, infections in pregnant women result in teratogenic effects [17.

What receptor does Zika bind to?

Zika virus entry receptor

AXL is a key receptor being responsible for Zika virus entry. The ZIKV permissiveness of human skin fibroblasts was confirmed by the use of a neutralizing antibody and specific RNA silencing.

How do animal viruses replicate?

To replicate, animal viruses divert the host cell's metabolism into synthesizing viral building blocks, which then self-assemble into new virus particles that are released into the environment. Animal viruses are not susceptible to the action of antibiotics.

What virus infects skin cells?

Classical skin tropic viruses such as herpes simplex virus (HSV), vaccinia virus (VACV), molluscum contagiosum virus (MCV), and varicella zoster virus (VZV) have tropism to skin epidermis where keratinocytes are the predominant cell type.

How does Zika cause microcephaly?

By preferentially destroying radial glial cells, Zika virus can produce severe microcephaly. Evolutionary changes such as mutations or recombination events might be responsible for the increased virulence and a new spectrum of Zika disease. Recombination events were reported to occur in different Zika viral strains.

What is the structure of the Zika virus?

Zika virions are comprised of an envelope and a nucleocapsid. The virus particles are spherical and small in size (approximately 50 nm in diameter) with an electron-dense core approximately 30 nm in diameter. The virion surface contains envelope protein (E) dimers and membrane (M) proteins in icosahedral-like symmetry.

Does Zika infect blood cells?

Zika virus infects human blood mononuclear cells.

Where is the Zika virus found in the body?

Zika virus can also be transmitted through sex and has been detected in semen, blood, urine, amniotic fluids, saliva as well as body fluids found in the brain and spinal cord.

Is Zika a vector borne disease?

Other viral diseases transmitted by vectors include chikungunya fever, Zika virus fever, yellow fever, West Nile fever, Japanese encephalitis (all transmitted by mosquitoes), tick-borne encephalitis (transmitted by ticks).

Where is the Zika virus most commonly found?

Zika outbreaks have been reported in the Pacific region, South and Central America, the Caribbean, Africa, and parts of south and southeast Asia. If you plan to travel to an affected area, seek travel health advice before your trip.