{"type": "root", "children": [{"type": "p", "children": [{"type": "t", "text": "\nA survey of the provided studies (1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19) reveals a wealth of insights into the complex regulation of transcription. These abstracts dissect mechanisms that control histone modifications, transcription factor activity, RNA polymerase II (RNAPII) recruitment, promoter–proximal pausing, elongation and degradation, as well as enhancer function and chromatin remodeling during cellular transitions such as differentiation, DNA damage responses, and cell cycle progression. In these studies, key regulators such as H3K4me3, Elongin A, TBP, Wwp2, NF‑κB subunit p65, Spt6, and other RNAPII‐associated proteins are shown to operate in intricate networks that fine‐tune gene expression in response to diverse signals."}, {"type": "fg", "children": [{"type": "fg_fs", "start_ref": "1", "end_ref": "19"}]}, {"type": "t", "text": "\n"}]}, {"type": "t", "text": "\n\n"}, {"type": "p", "children": [{"type": "t", "text": "\nNotably, while these articles illuminate many facets of transcriptional control—including the regulation of RNAPII activity via post‐translational modifications, the coordinated actions of transcription elongation factors and chromatin remodellers, and the role of enhancer elements in initiating and sustaining gene expression—none of them mention POTEA or provide data regarding its biological function. The absence of any reference to POTEA across this diverse collection of studies suggests that its role, if any, in these transcriptional and chromatin‐regulatory pathways remains unaddressed in the present literature.\n"}]}, {"type": "t", "text": "\n\n"}, {"type": "p", "children": [{"type": "t", "text": "\nIn summary, although the set of abstracts offers a comprehensive picture of how cells regulate gene expression at multiple levels through histone modifications, transcription factor dynamics, and RNAPII modulation in various physiological and pathological settings, they do not include any insights into the function of POTEA. Consequently, based on the current collection of studies (1–19), the biological role of POTEA remains undetermined and would benefit from future targeted investigations.\n"}]}, {"type": "rg", "children": [{"type": "r", "ref": 1, "children": [{"type": "t", "text": "Kelly B Scribner, Mary M McGrane "}, {"type": "b", "children": [{"type": "t", "text": "RNA polymerase II association with the phosphoenolpyruvate carboxykinase (PEPCK) promoter is reduced in vitamin A-deficient mice."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "J Nutr (2003)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1093/jn/133.12.4112"}], "href": "https://doi.org/10.1093/jn/133.12.4112"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "14652357"}], "href": "https://pubmed.ncbi.nlm.nih.gov/14652357"}]}, {"type": "r", "ref": 2, "children": [{"type": "t", "text": "Hui Li, Zhihong Zhang, Beibei Wang, et al. "}, {"type": "b", "children": [{"type": "t", "text": "Wwp2-mediated ubiquitination of the RNA polymerase II large subunit in mouse embryonic pluripotent stem cells."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "Mol Cell Biol (2007)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1128/MCB.01667-06"}], "href": "https://doi.org/10.1128/MCB.01667-06"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "17526739"}], "href": "https://pubmed.ncbi.nlm.nih.gov/17526739"}]}, {"type": "r", "ref": 3, "children": [{"type": "t", "text": "Takahiro Ito, Kayoko Saso, Nagisa Arimitsu, et al. "}, {"type": "b", "children": [{"type": "t", "text": "Defective FESTA/EAF2-mediated transcriptional activation in S-II-deficient embryonic stem cells."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "Biochem Biophys Res Commun (2007)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1016/j.bbrc.2007.09.009"}], "href": "https://doi.org/10.1016/j.bbrc.2007.09.009"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "17892859"}], "href": "https://pubmed.ncbi.nlm.nih.gov/17892859"}]}, {"type": "r", "ref": 4, "children": [{"type": "t", "text": "Takashi Yasukawa, Takumi Kamura, Shigetaka Kitajima, et al. "}, {"type": "b", "children": [{"type": "t", "text": "Mammalian Elongin A complex mediates DNA-damage-induced ubiquitylation and degradation of Rpb1."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "EMBO J (2008)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1038/emboj.2008.249"}], "href": "https://doi.org/10.1038/emboj.2008.249"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "19037258"}], "href": "https://pubmed.ncbi.nlm.nih.gov/19037258"}]}, {"type": "r", "ref": 5, "children": [{"type": "t", "text": "Ken-Ichiro ABE, Azusa INOUE, Masataka G SUZUKI, et al. "}, {"type": "b", "children": [{"type": "t", "text": "Global gene silencing is caused by the dissociation of RNA polymerase II from DNA in mouse oocytes."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "J Reprod Dev (2010)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1262/jrd.10-068a"}], "href": "https://doi.org/10.1262/jrd.10-068a"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "20562521"}], "href": "https://pubmed.ncbi.nlm.nih.gov/20562521"}]}, {"type": "r", "ref": 6, "children": [{"type": "t", "text": "Mikiko Tokoro, Seung-Wook Shin, Satoshi Nishikawa, et al. "}, {"type": "b", "children": [{"type": "t", "text": "Deposition of acetylated histones by RNAP II promoter clearance may occur at onset of zygotic gene activation in preimplantation mouse embryos."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "J Reprod Dev (2010)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1262/jrd.10-088m"}], "href": "https://doi.org/10.1262/jrd.10-088m"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "20710121"}], "href": "https://pubmed.ncbi.nlm.nih.gov/20710121"}]}, {"type": "r", "ref": 7, "children": [{"type": "t", "text": "Petro Yakovchuk, James A Goodrich, Jennifer F Kugel "}, {"type": "b", "children": [{"type": "t", "text": "B2 RNA represses TFIIH phosphorylation of RNA polymerase II."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "Transcription (2011)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.4161/trns.2.1.14306"}], "href": "https://doi.org/10.4161/trns.2.1.14306"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "21326911"}], "href": "https://pubmed.ncbi.nlm.nih.gov/21326911"}]}, {"type": "r", "ref": 8, "children": [{"type": "t", "text": "María Guillamot, Eusebio Manchado, Massimo Chiesa, et al. "}, {"type": "b", "children": [{"type": "t", "text": "Cdc14b regulates mammalian RNA polymerase II and represses cell cycle transcription."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "Sci Rep (2011)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1038/srep00189"}], "href": "https://doi.org/10.1038/srep00189"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "22355704"}], "href": "https://pubmed.ncbi.nlm.nih.gov/22355704"}]}, {"type": "r", "ref": 9, "children": [{"type": "t", "text": "Karin Hochrainer, Gianfranco Racchumi, Josef Anrather "}, {"type": "b", "children": [{"type": "t", "text": "Site-specific phosphorylation of the p65 protein subunit mediates selective gene expression by differential NF-κB and RNA polymerase II promoter recruitment."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "J Biol Chem (2013)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1074/jbc.M112.385625"}], "href": "https://doi.org/10.1074/jbc.M112.385625"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "23100252"}], "href": "https://pubmed.ncbi.nlm.nih.gov/23100252"}]}, {"type": "r", "ref": 10, "children": [{"type": "t", "text": "A Hongjun Wang, Hossein Zare, Kambiz Mousavi, et al. "}, {"type": "b", "children": [{"type": "t", "text": "The histone chaperone Spt6 coordinates histone H3K27 demethylation and myogenesis."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "EMBO J (2013)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1038/emboj.2013.54"}], "href": "https://doi.org/10.1038/emboj.2013.54"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "23503590"}], "href": "https://pubmed.ncbi.nlm.nih.gov/23503590"}]}, {"type": "r", "ref": 11, "children": [{"type": "t", "text": "Pierangela Sabbattini, Marcela Sjoberg, Svetlana Nikic, et al. "}, {"type": "b", "children": [{"type": "t", "text": "An H3K9/S10 methyl-phospho switch modulates Polycomb and Pol II binding at repressed genes during differentiation."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "Mol Biol Cell (2014)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1091/mbc.E13-10-0628"}], "href": "https://doi.org/10.1091/mbc.E13-10-0628"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "24430871"}], "href": "https://pubmed.ncbi.nlm.nih.gov/24430871"}]}, {"type": "r", "ref": 12, "children": [{"type": "t", "text": "Pedro Galvão-Ferreira, Michal Lipinski, Fernando Santos, et al. "}, {"type": "b", "children": [{"type": "t", "text": "Skill Learning Modulates RNA Pol II Poising at Immediate Early Genes in the Adult Striatum."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "eNeuro (2017)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1523/ENEURO.0074-17.2017"}], "href": "https://doi.org/10.1523/ENEURO.0074-17.2017"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "28451632"}], "href": "https://pubmed.ncbi.nlm.nih.gov/28451632"}]}, {"type": "r", "ref": 13, "children": [{"type": "t", "text": "Roshan R Naik, Sergey V Sotnikov, Rebekka P Diepold, et al. "}, {"type": "b", "children": [{"type": "t", "text": "Polymorphism in Tmem132d regulates expression and anxiety-related behavior through binding of RNA polymerase II complex."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "Transl Psychiatry (2018)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1038/s41398-017-0025-2"}], "href": "https://doi.org/10.1038/s41398-017-0025-2"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "29317594"}], "href": "https://pubmed.ncbi.nlm.nih.gov/29317594"}]}, {"type": "r", "ref": 14, "children": [{"type": "t", "text": "Sheila S Teves, Luye An, Aarohi Bhargava-Shah, et al. "}, {"type": "b", "children": [{"type": "t", "text": "A stable mode of bookmarking by TBP recruits RNA polymerase II to mitotic chromosomes."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "Elife (2018)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.7554/eLife.35621"}], "href": "https://doi.org/10.7554/eLife.35621"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "29939130"}], "href": "https://pubmed.ncbi.nlm.nih.gov/29939130"}]}, {"type": "r", "ref": 15, "children": [{"type": "t", "text": "Ibraheem Ali, Diego Garrido Ruiz, Zuyao Ni, et al. "}, {"type": "b", "children": [{"type": "t", "text": "Crosstalk between RNA Pol II C-Terminal Domain Acetylation and Phosphorylation via RPRD Proteins."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "Mol Cell (2019)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1016/j.molcel.2019.04.008"}], "href": "https://doi.org/10.1016/j.molcel.2019.04.008"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "31054975"}], "href": "https://pubmed.ncbi.nlm.nih.gov/31054975"}]}, {"type": "r", "ref": 16, "children": [{"type": "t", "text": "Henry F Thomas, Elena Kotova, Swathi Jayaram, et al. "}, {"type": "b", "children": [{"type": "t", "text": "Temporal dissection of an enhancer cluster reveals distinct temporal and functional contributions of individual elements."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "Mol Cell (2021)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1016/j.molcel.2020.12.047"}], "href": "https://doi.org/10.1016/j.molcel.2020.12.047"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "33482114"}], "href": "https://pubmed.ncbi.nlm.nih.gov/33482114"}]}, {"type": "r", "ref": 17, "children": [{"type": "t", "text": "Martin S C Larke, Ron Schwessinger, Takayuki Nojima, et al. "}, {"type": "b", "children": [{"type": "t", "text": "Enhancers predominantly regulate gene expression during differentiation via transcription initiation."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "Mol Cell (2021)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1016/j.molcel.2021.01.002"}], "href": "https://doi.org/10.1016/j.molcel.2021.01.002"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "33539786"}], "href": "https://pubmed.ncbi.nlm.nih.gov/33539786"}]}, {"type": "r", "ref": 18, "children": [{"type": "t", "text": "Chuxiao Liu, Yu Han, Xingyu Zhao, et al. "}, {"type": "b", "children": [{"type": "t", "text": "POLR2A blocks osteoclastic bone resorption and protects against osteoporosis by interacting with CREB1."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "J Cell Physiol (2021)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1002/jcp.30220"}], "href": "https://doi.org/10.1002/jcp.30220"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "33595106"}], "href": "https://pubmed.ncbi.nlm.nih.gov/33595106"}]}, {"type": "r", "ref": 19, "children": [{"type": "t", "text": "Hua Wang, Zheng Fan, Pavel V Shliaha, et al. "}, {"type": "b", "children": [{"type": "t", "text": "H3K4me3 regulates RNA polymerase II promoter-proximal pause-release."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "Nature (2023)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1038/s41586-023-05780-8"}], "href": "https://doi.org/10.1038/s41586-023-05780-8"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "36859550"}], "href": "https://pubmed.ncbi.nlm.nih.gov/36859550"}]}]}]}