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GVvol

Candidate: toolkit itemType: construct pattern1 source documents4 linked claims
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Aliases

GVvol, heterologously synthesized gas vesicles in Haloferax volcanii

Extracted Explainers

What the tool is doing

GVvol is a heterologously synthesized gas vesicle preparation produced in engineered Haloferax volcanii and used as an ultrasound contrast agent. The abstract states that it is functional and acoustically comparable to native Halobacterium-derived vesicles.

Source 1DOIPubMed

Resources required

Its production requires the Halobacterium sp. NRC-1 gas vesicle gene cluster and transformation into Haloferax volcanii. The source also indicates that gas vesicle expression and assembly are linked to a high-salt cytoplasmic environment.

Source 1DOIPubMed

What problem it solves

It provides a route to produce and potentially genetically tailor Halobacterium-derived gas vesicles in a heterologous host. This helps overcome the difficulty of manipulating the native Halobacterium system directly.

Source 1DOIPubMed

What it does not solve

The abstract does not show that GVvol already improves imaging beyond native GVhalo. It also does not establish detailed component-level engineering rules or broad host portability.

Source 1DOIPubMed

Alternatives

The paper directly contrasts GVvol with naturally synthesized GVhalo from Halobacterium sp. NRC-1. The native vesicles serve as the comparator for morphology and ultrasound performance.

Source 1DOIPubMed

Evidence Snippets

The genetically engineered Haloferax volcanii successfully synthesized functional GVs (GVvol) with a similar size and shape to naturally synthesized GVs from Halobacterium sp. NRC-1 (GVhalo).
Evidence 1Source 1DOIPubMedprovenance

Supporting Sources

Linked Claims

Claim 1application potentialsupports2025Source 1DOIPubMed

The findings support the functional integrity of heterologously synthesized GVvol and its potential for biomedical applications.

Claim 2heterologous functionsupports2025Source 1DOIPubMed

The Halobacterium sp. NRC-1 gas vesicle gene cluster enabled Haloferax volcanii to synthesize functional gas vesicles termed GVvol.

Claim 3morphology similaritysupports2025Source 1DOIPubMed

GVvol had similar size and shape to naturally synthesized GVhalo from Halobacterium sp. NRC-1.

Claim 4performance measurementsupports2025Source 1DOIPubMed

GVvol produced ultrasound imaging signal intensities comparable to GVhalo in vitro and in vivo.