Co-profiling of single-cell gene expression and chromatin landscapes in stickleback pituitary

Abstract The pituitary gland is a key endocrine gland with various physiological functions including metabolism, growth, and reproduction. It comprises several distinct cell populations that release multiple polypeptide hormones. Although the major endocrine cell types are conserved across taxa, the...

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Main Authors: Liang Liu, Jun Kitano, Shuji Shigenobu, Asano Ishikawa
Format: Article
Language:English
Published: Nature Portfolio 2025-01-01
Series:Scientific Data
Online Access:https://doi.org/10.1038/s41597-025-04376-3
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author Liang Liu
Jun Kitano
Shuji Shigenobu
Asano Ishikawa
author_facet Liang Liu
Jun Kitano
Shuji Shigenobu
Asano Ishikawa
author_sort Liang Liu
collection DOAJ
description Abstract The pituitary gland is a key endocrine gland with various physiological functions including metabolism, growth, and reproduction. It comprises several distinct cell populations that release multiple polypeptide hormones. Although the major endocrine cell types are conserved across taxa, the regulatory mechanisms of gene expression and chromatin organization in specific cell types remain poorly understood. Here, we performed simultaneous profiling of the transcriptome and chromatin landscapes in the pituitary cells of the three-spined stickleback (Gasterosteus aculeatus), which represents a good model for investigating the genetic mechanisms underlying adaptive evolution. We obtained pairwise gene expression and chromatin profiles for 5184 cells under short- and long-day conditions. Using three independent clustering analyses, we identified 16 distinct cell clusters and validated their consistency. These results advance our understanding of the regulatory dynamics in the pituitary gland and provide a reference for future research on comparative physiology and evolutionary biology.
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spelling doaj-art-a57f68576bd24861a0a8d87ab1b195ed2025-01-12T12:07:56ZengNature PortfolioScientific Data2052-44632025-01-0112111510.1038/s41597-025-04376-3Co-profiling of single-cell gene expression and chromatin landscapes in stickleback pituitaryLiang Liu0Jun Kitano1Shuji Shigenobu2Asano Ishikawa3Laboratory of Molecular Ecological Genetics, Department of Integrated Biosciences, Graduate School of Frontier Sciences, The University of TokyoEcological Genetics Laboratory, National Institute of GeneticsLaboratory of Evolutionary Genomics, National Institute for Basic BiologyLaboratory of Molecular Ecological Genetics, Department of Integrated Biosciences, Graduate School of Frontier Sciences, The University of TokyoAbstract The pituitary gland is a key endocrine gland with various physiological functions including metabolism, growth, and reproduction. It comprises several distinct cell populations that release multiple polypeptide hormones. Although the major endocrine cell types are conserved across taxa, the regulatory mechanisms of gene expression and chromatin organization in specific cell types remain poorly understood. Here, we performed simultaneous profiling of the transcriptome and chromatin landscapes in the pituitary cells of the three-spined stickleback (Gasterosteus aculeatus), which represents a good model for investigating the genetic mechanisms underlying adaptive evolution. We obtained pairwise gene expression and chromatin profiles for 5184 cells under short- and long-day conditions. Using three independent clustering analyses, we identified 16 distinct cell clusters and validated their consistency. These results advance our understanding of the regulatory dynamics in the pituitary gland and provide a reference for future research on comparative physiology and evolutionary biology.https://doi.org/10.1038/s41597-025-04376-3
spellingShingle Liang Liu
Jun Kitano
Shuji Shigenobu
Asano Ishikawa
Co-profiling of single-cell gene expression and chromatin landscapes in stickleback pituitary
Scientific Data
title Co-profiling of single-cell gene expression and chromatin landscapes in stickleback pituitary
title_full Co-profiling of single-cell gene expression and chromatin landscapes in stickleback pituitary
title_fullStr Co-profiling of single-cell gene expression and chromatin landscapes in stickleback pituitary
title_full_unstemmed Co-profiling of single-cell gene expression and chromatin landscapes in stickleback pituitary
title_short Co-profiling of single-cell gene expression and chromatin landscapes in stickleback pituitary
title_sort co profiling of single cell gene expression and chromatin landscapes in stickleback pituitary
url https://doi.org/10.1038/s41597-025-04376-3
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