胞间连丝
信使核糖核酸
细胞生物学
核糖核酸
细胞
拟南芥
同源盒
生物
转录因子
细胞质
遗传学
基因
突变体
作者
Munenori Kitagawa,Peipei Wu,Rachappa Balkunde,Patrick J. Cunniff,David Jackson
出处
期刊:Science
[American Association for the Advancement of Science]
日期:2022-01-14
卷期号:375 (6577): 177-182
被引量:42
标识
DOI:10.1126/science.abm0840
摘要
mRNA migration through plasmodesmata In plants, certain transcription factors are produced in one cell but transported, sometimes as messenger RNA (mRNA), through plasmodesmata, channels between neighboring plant cells, where they act. This system helps to manage stem cell development. Kitagawa et al . now identify part of the machinery that manages this cell-to-cell transport. Transport of the mRNA encoding the KNOTTED1 homeobox transcription factor depends on Ribosomal RNA-Processing Protein 44 (AtRRP44A), which is a subunit of the RNA exosome. —PJH
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