Draft:Janelia veilia

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  • Comment: Potentially notable. Not ready for publishing yet though. Appears to be pasted from AI. Look into the Manual of Style on how an article should be styled/formatted. Ktkvtsh (talk) 23:26, 2 December 2025 (UTC)

Janelia veilia
Light microscopy of Janelia veilia cells
Scientific classification
Phylum:
Amoebozoa
Order:
Mycamoebida
Family:
Mycamoebidae
Genus:
Janelia
Species:
J veilia
Binomial name
Janelia veilia

Janelia veilia

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Introduction: Janelia veilia is a novel amoebozoan protist isolated from a freshwater pond in Janelia Research Campus of Howard Hughes Medical Institute in Ashburn, Virginia, USA. Janelia is the first of its genus, and it shares a newly generated order called Mycamoebida with Mycamoeba and Microglomus [1] . The protist has been observed to have several variations pertaining to its pseudopodia, ranging from monopodial limax, conical pseudopodia, to pointed pseudopodia demonstrating the morphological plasticity of the organism. Most notably, the organism has a faint trailing structure referred to as a veil by researchers.

Ecology: Janelia veilia was first observed from a freshwater pond in Janelia Research Campus of Howard Hughes Medical Institute in Ashburn, Virginia, USA (39°04′17”N 77°27′52”W). Members of the Dermelia clade are typically bacterivores and Janelia veilia supports this idea. There have been no described accounts of symbiotic relationships for this species.

Morphology: Janelia veilia has been described to have immense diversity in its morphology. It is most commonly observed in the monopodial limax form with a trailing structure called a veil that is thought to be made up of cellular material. Cells have also been observed to be flat with pointed and conical pseudopodia. On average, cells are 15.2 μm long in locomotion and 5.6 μm wide. A single nucleus is present that is ellipsoid to circular in nature and 3.3 μm in diameter.

Behavior: The most common form of the protist is the monopodial limax form where a single pseudopodium drags the body of the cell along. The other variations in pseudopodia include conical pseudopodia and pointed pseudopodia which may facilitate movement and assist in feeding, although it is not known what stimulates Janelia veilia to change forms. The function of the ‘veil’ in this organism has yet to be elucidated

Taxonomic History: The first, and only, description of Janelia veilia was in 2025, where a novel order named Mycamoebida (sister of Dermamoebida) and a novel subclass named Dermelia were formed. Through sequencing of SSU rRNA and phylogenetic analysis, these designations are supported. Dermelia is known for its diverse morphology and disparity in environmental conditions, with members being found in freshwater, saltwater, and on vegetation

Notes

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  1. ^ Jones et al. Piercing the veil: A novel amoebozoan (Janelia veilia n. gen. n. sp.) reveals deep clades within Discosea through phylogenomics. Protist, Volume 177, 2025,

References

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1. Robert E. Jones, Quentin Blandenier, Felicity Kleitz-Singleton, Tristan C. Henderson, Nicholas W. Fry, Idan Banson, Jonah Nguyen, Alexander K. Tice, Matthew W. Brown, Piercing the veil: A novel amoebozoan (Janelia veilia n. gen. n. sp.) reveals deep clades within Discosea through phylogenomics, Protist, Volume 177, 2025,