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Article

Putrescine Depletion Affects Arabidopsis Root Meristem Size by Modulating Auxin and Cytokinin Signaling and ROS Accumulation.

International journal of molecular sciences - 15 Apr 2021

Hashem Ahmed M, Moore Simon, Chen Shangjian, Hu Chenchen, Zhao Qing, Elesawi Ibrahim Eid, Feng Yanni, Topping Jennifer F, Liu Junli, Lindsey Keith, Chen Chunli

Abstract excerpt

Polyamines (PAs) dramatically affect root architecture and development, mainly by unknown mechanisms; however, accumulating evidence points to hormone signaling and reactive oxygen species (ROS) as candidate mechanisms. To test this hypothesis, PA levels were modified by progressively reducing ADC1/2 activity and Put levels, and then changes in root meristematic zone (MZ) size, ROS, and auxin and cytokinin (CK)...

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Identifiers

PMID: 33920993
DOI: 10.3390/ijms22084094
PMCID: PMC8071467

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