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Cited by 501

The DOI matches its Crossref record; 44 of the 44 references it cites were found in a registry or an index.

Arabidopsis Argonaute10 Specifically Sequesters miR166/165 to Regulate Shoot Apical Meristem Development

Open access
Zhu, Hongliang, Hu, Fuqu, Wang, Ronghui, Zhou, Xin, Sze, Sing-Hoi, Liou, Lisa Wen, Barefoot, Ashley, Dickman, Martin, Zhang, Xiuren·2011·Cell

Abstract

SUMMARY The shoot apical meristem (SAM) comprises a group of undifferentiated cells that divide to maintain the meristem and also give rise to all plant shoot organs. SAM fate is specified by HOMEODOMAIN-LEUCINE ZIPPER (HD-ZIP) transcription factors, which are targets of miR166/165. In Arabidopsis, AGO10 is a critical regulator of SAM maintenance, but the mechanism of regulation remains unknown. Here we demonstrate that AGO10 specifically recruits miR166/165. The AGO10-miR166/165 association is determined by the distinct structure of the miR166/165 duplex. Deficient loading of miR166 into AGO10 results in a defective SAM. AGO10 has a higher binding affinity for miR166 than does AGO1, a master repressor for miRNA targets. Notably, the miR166/165-binding ability of AGO10, but not its catalytic activity, is required for SAM development. We propose that AGO10 functions as a decoy for miR166/165 to maintain the SAM, preventing their incorporation into AGO1 complexes and the subsequent repression of HD-ZIP gene expression.

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Crossref · 10.1016/j.cell.2011.03.024

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Metadata

Authors
Zhu, H., Hu, F., Wang, R., Zhou, X., Sze, S.-H., Liou, L. W., Barefoot, A., Dickman, M., & Zhang, X.
Venue
Cell
Publisher
Elsevier BV
Published
2011-04
Volume
145
Issue
2
Pages
242-256
ISSN
0092-8674 (ISSN-L)
OpenAlex
W1986352294
Cited by
501
References
44
FWCI
36.69
Type
journal article
Language
en
Open access
bronze

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