Collections / Fragment-sequencing unveils local tissue microenvironments at single cell resolution

Fragment-sequencing unveils local tissue microenvironments at single cell resolution

The spatial organization of cells within tissues is tightly linked to their biological function. Yet, methods to probe the entire transcriptome of multiple native tissue microenvironments at single cell resolution are lacking. Here, we introduce fragment-sequencing, a method that enables the transcriptomic characterization of single cells within spatially distinct tissue niches. Fragment-sequencing of the mouse metastatic liver revealed previously uncharacterized zonated genes and ligand-receptor interactions enriched in the different hepatic microenvironments and the metastatic niche.

Datasets2
Size~59 MB
AssayVisium
Samplemouse · liver
KindOther
PMID:38012149 ↗
Python · lamindb
import lamindb as ln
import spatialdata as sd

coll = ln.Collection.get(key="geo-gse216189")
coll.ordered_artifacts.df()                 # the 2 members, ordered

# download every member .zarr to the local cache:
paths = [a.cache() for a in coll.ordered_artifacts.all()]

# …or load each straight into memory as a SpatialData object:
sdatas = {a.key: sd.read_zarr(a.cache()) for a in coll.ordered_artifacts.all()}
Open in Vitessce
Visium
Mouse liver
GSM6661400
mouse liver 29 MB 3,751 obs bronze H&E
TechnologyVisium
Organismmouse
Tissueliver
Size29 MB
Obs3,751
Magnificationother · 4.176 µm/px
bronze H&E Open in Vitessce
Open in Vitessce
Visium
Mouse liver
GSM6661401
mouse liver 29 MB 3,606 obs bronze H&E
TechnologyVisium
Organismmouse
Tissueliver
Size29 MB
Obs3,606
Magnificationother · 3.764 µm/px
bronze H&E Open in Vitessce

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