| 5 | 1/1 | 返回列表 |
| 查看: 1248 | 回復: 4 | ||||
[交流]
【分享】連接miRNA到胚胎干細胞的核心轉錄調(diào)控環(huán) 已有4人參與
|
|
Connecting microRNA Genes to the Core Transcriptional Regulatory Circuitry of Embryonic Stem Cells 連接miRNA到胚胎干細胞的核心轉錄調(diào)控環(huán) AlexanderMarson,StuartS.Levine, MeganF.Cole, GarrettM.Frampton, TobiasBrambrink, SarahJohnstone, MatthewG.Guenther, WendyK.Johnston, MariusWernig, JamieNewman 摘要:miRNA在的自我更新和分化中起著重要作用,然而調(diào)控的及調(diào)控機理并不明確。本文構建了的轉錄調(diào)控環(huán),包括編碼基因和;诟咄康臄(shù)據(jù),系統(tǒng)地識別的啟動子,并且定量測序多個細胞類型中的短轉錄本,發(fā)現(xiàn)細胞中關鍵的調(diào)控子與細胞中表達的的啟動子相關,并且與靶基因的啟動子相關。細胞中,這一組沉默的靶基因與蛋白共發(fā)生,并在不用的分化細胞中顯示組織特異性表達。這些數(shù)據(jù)揭示了關鍵細胞中促進細胞表達過程的機理,并將這些整合到細胞的調(diào)控環(huán)中。 MicroRNAs (miRNAs) are crucial for normal embryonic stem (ES) cell self-renewal and cellular differentiation, but how miRNA gene expression is controlled by the key transcriptional regulators of ES cells has not been established. We describe here the transcriptional regulatory circuitry of ES cells that incorporates protein-coding and miRNA genes based on high-resolution ChIP-seq data, systematic identification of miRNA promoters, and quantitative sequencing of short transcripts in multiple cell types. We find that the key ES cell transcription factors are associated with promoters for miRNAs that are preferentially expressed in ES cells and with promoters for a set of silent miRNA genes. This silent set of miRNA genes is co-occupied by Polycomb group proteins in ES cells and shows tissue-specific expression in differentiated cells. These data reveal how key ES cell transcription factors promote the ES cell miRNA expression program and integrate miRNAs into the regulatory circuitry controlling ES cell identity. 更多資料請查看www.bioknow.cn |
新手上路指南 |

榮譽版主 (文壇精英)
我的醬油捏~~

|
|
| 5 | 1/1 | 返回列表 |
| 最具人氣熱帖推薦 [查看全部] | 作者 | 回/看 | 最后發(fā)表 | |
|---|---|---|---|---|
|
[考研] 070300化學319求調(diào)劑 +6 | 錦鯉0909 2026-03-17 | 6/300 |
|
|---|---|---|---|---|
|
[考研] 收復試調(diào)劑生 +3 | 雨后秋荷 2026-03-18 | 3/150 |
|
|
[考博] 環(huán)境領域全國重點實驗室招收博士1-2名 +3 | QGZDSYS 2026-03-13 | 5/250 |
|
|
[考研] 307求調(diào)劑 +3 | 冷笙123 2026-03-17 | 3/150 |
|
|
[考研] 268求調(diào)劑 +6 | 簡單點0 2026-03-17 | 6/300 |
|
|
[考研] 296求調(diào)劑 +5 | 大口吃飯 身體健 2026-03-13 | 5/250 |
|
|
[考研] 268求調(diào)劑 +7 | 好運連綿不絕 2026-03-12 | 8/400 |
|
|
[考研] 328求調(diào)劑,英語六級551,有科研經(jīng)歷 +3 | 生物工程調(diào)劑 2026-03-16 | 8/400 |
|
|
[考研] 290求調(diào)劑 +6 | 孔志浩 2026-03-12 | 11/550 |
|
|
[考研] 285化工學碩求調(diào)劑(081700) +9 | 柴郡貓_ 2026-03-12 | 9/450 |
|
|
[考研] 318求調(diào)劑 +3 | Yanyali 2026-03-15 | 3/150 |
|
|
[考研] 0703一志愿211 285分求調(diào)劑 +5 | ly3471z 2026-03-13 | 5/250 |
|
|
[考研] 085600調(diào)劑 +5 | 漾漾123sun 2026-03-12 | 6/300 |
|
|
[考研] 22408總分284求調(diào)劑 +3 | InAspic 2026-03-13 | 3/150 |
|
|
[考研] 085601材料工程315分求調(diào)劑 +3 | yang_0104 2026-03-15 | 3/150 |
|
|
[考研] 四川大學085601材料工程專碩 初試294求調(diào)劑 +4 | 祝我們好在冬天 2026-03-11 | 4/200 |
|
|
[考研] 工科,求調(diào)劑 +3 | 我887 2026-03-11 | 3/150 |
|
|
[考研] 土木第一志愿276求調(diào)劑,科研和技能十分豐富,求新興方向的導師收留 +3 | 土木小天才 2026-03-12 | 3/150 |
|
|
[考研] 化工學碩306求調(diào)劑 +9 | 42838695 2026-03-12 | 9/450 |
|
|
[考博] 26讀博 +4 | Rui135246 2026-03-12 | 10/500 |
|