Oldfield mouse 🐾 Species
Tissues 1
Hypothalamus
Species / Rodents / Oldfield mouse

Oldfield mouse

Peromyscus polionotus
Rodents
5 yrs
Max Lifespan
13 g
Adult Weight
SP1823
Species ID
2
Tissues
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Species Overview

A small North American cricetid rodent closely related to the deer mouse, native to the southeastern United States. Adults weigh only 10–15 g, making them among the smallest Peromyscus species. They are best known as a textbook example of adaptive coat color evolution: inland populations have dark, agouti fur matching dark soil, while beach-dwelling subspecies (e.g., P. p. leucocephalus, the Santa Rosa beach mouse) are extremely pale, nearly white, matching white sand dunes. This phenotypic variation has been mapped to specific genes (Agouti, Mc1r), making it a landmark system in evolutionary developmental biology. They inhabit old fields, sandy soils, and coastal dunes. They are monogamous with biparental care—both parents provision and groom pups—rare among rodents. Diet: seeds and insects. Gestation: ~23 days, litters of 1–5 pups. Lifespan: ~1–5 years. Several beach subspecies are federally listed as Endangered or Threatened due to coastal development and habitat loss.
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Integrated UMAP Atlas & Gene Explorer

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UMAP Atlas Not Available
The UMAP atlas data for Oldfield mouse is not yet available.
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Biological System Atlas
1Systems
Nervous system
Nervous system
ID: sys01
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Tissue-Level Cell Distribution
1Tissues
Hypothalamus
Hypothalamus
ID: sys01tis07System: Nervous system
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Cellular Composition Explorer
10Cell Types
Astrocytes
Astrocytes
Abbr: AstroMajor: Neural cells
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Choroid plexus
Choroid plexus
Abbr: CPMajor: Epithelial cell…
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Endothelial cells
Endothelial cells
Abbr: EndoMajor: Endothelial cel…
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Ependymal cells
Ependymal cells
Abbr: EpendMajor: Epithelial cell…
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Excitatory neurons
Excitatory neurons
Abbr: EXMajor: Neural cells
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Inhibitory neurons
Inhibitory neurons
Abbr: INMajor: Neural cells
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Microglia
Microglia
Abbr: MicrogliaMajor: Immune cells
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Oligodendrocyte progenitor cells
Oligodendrocyte progenitor cells
Abbr: OPCMajor: Neural cells
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Oligodendrocytes
Oligodendrocytes
Abbr: OligoMajor: Neural cells
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Pericytes
Pericytes
Abbr: PeriMajor: Stromal cells
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View Datasets

Species-Related Single-Cell Datasets
1Datasets
DataID ↕ Latin Name ↕ Folder ID ↕ Tissue ↕ Title ↕ Detail QC Analysis
Data1354 Peromyscus polionotus Peromyscus_polionotus_39253506_2024_Rank001 Brain Cellular evolution of the hypothalamic preoptic area of behaviorally divergent deer mice QC Analysis

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