We show that ARF19, the fifth Q-rich ARF, also activates transcription. Mutations in ARF19 have little effect on their own, but in combination with mutations in NPH4/ARF7 , encoding the most closely related ARF, they cause several phenotypes including a drastic decrease in lateral and ...
Lateral root formation in Arabidopsis thaliana is regulated by two related AUXIN RESPONSE FACTORs, ARF7 and ARF19, which are transcriptional activators of early auxin response genes. The arf7 arf19 double knockout mutant is severely impaired in lateral root formation. Target-gene analysis in arf7...
Lee et al. BMC Plant Biology (2019) 19:46 https://doi.org/10.1186/s12870-019-1659-4 RESEARCH ARTICLE Open Access LBD16 and LBD18 acting downstream of ARF7 and ARF19 are involved in adventitious root formation in Arabidopsis Han Woo Lee1, Chuloh Cho1, Shashank K. Pandey1, Yoona Park...
To understand the role of auxin signaling in Arabidopsis membrane lipid remodeling, we analyzed slr-1, a gain-of-function mutant of IAA14 (a repressor of auxin signaling), and arf7arf19, a loss-of-function mutant of auxin response factors ARF7 and ARF19. In slr-1 and arf7arf19, Pi ...
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1. Okushima Y, Fukaki H, Onoda M, Theologis A, Tasaka M. ARF7 and ARF19 Regulate Lateral Root Formation via Direct Activation of LBD/ASL Genes in Arabidopsis. the Plant Cell Online. 2007;19: 118–130. doi:10.1105/tpc.106.047761 ...
In rice, OsARF19 is highly expressed in the cortex and root primordium; it interacts with IAA13 to regulate the number of lateral roots, which is of great significance for the auxin signal to regulate the development of rice roots [15]. ARF7 and ARF19 play important roles in auxin-...
(ref. 28), Cdc42 (ref. 24), Rab5b (ref. 29), Rab7 (refs 30,31), Rab7L1 (refs 18,19)) and some of these small GTPases also associate with the same putative GAPs and GEFs reported for LRRK2 (RGS2 (ref. 32,33), ArfGAP1 (refs 34,35) and ARHGEF7 (refs 24,25,28,36...
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Plant Cell 19: 118-130.OKUSHIMAY,FUKAKI H,ONODA M,et al.ARF7 and ARF19 regulatelateral rootformationvia directactivationofLBD/ASLgenesinArabidopsis.The Plant Cell. 2007OKUSHIMAY,FUKAKI H,ONODA M,et al.ARF7 and ARF19 regulatelateral rootformationvia directactivationofLBD/ASLgenesinArabidopsis....