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Coordination between MIDASIN 1 -mediated ribosome biogenesis and auxin modulates plant development by Ke Li; Ximeng Zhou; Xueping Sun; Guanghui Li; Lei Hou; Shuzhen Zhao; Chuanzhi Zhao; Changle Ma; Pengcheng Li; Xingjun Wang is a Agricultural and Biological Sciences article available to read on EtoBox.
What is Coordination between MIDASIN 1 -mediated ribosome biogenesis and auxin modulates plant development about?
## Abstract Ribosomes are required for plant growth and development, and ribosome biogenesis-deficient mutants generally display auxin-related phenotypes. Although the relationship between ribosome dysfunction and auxin is known, many aspects of this subject remain to be understood. We previously reported that MIDASIN 1 (MDN1) is an essential pre-60S ribosome biogenesis factor (RBF) in Arabidopsis. In this study, we further characterized the aberrant auxin-related phenotypes of mdn1-1, a weak mutant allele of MDN1. Auxin response is disturbed in both shoots and roots of mdn1-1, as indicated by the DR5:GUS reporter. By combining transcriptome profiling analysis and reporter gene detection, we found that expression of genes involved in auxin biosynthesis, transport, and signaling is changed in mdn1-1. Furthermore, MDN1 deficiency affects the post-transcriptional regulation and protein distribution of PIN-FORMED 2 (PIN2, an auxin efflux facilitator) in mdn1-1 roots. These results indicate that MDN1 is required for maintaining the auxin system. More interestingly, MDN1 is an auxin-responsive gene, and its promoter can be targeted by multiple AUXIN RESPONSE FACTORs (ARFs), including ARF
Who reads Coordination between MIDASIN 1 -mediated ribosome biogenesis and auxin modulates plant development?
It is typically read by researchers, students, and practitioners in Agricultural and Biological Sciences.
- Author
- Ke Li; Ximeng Zhou; Xueping Sun; Guanghui Li; Lei Hou; Shuzhen Zhao; Chuanzhi Zhao; Changle Ma; Pengcheng Li; Xingjun Wang
- Publisher
- Oxford University Press (OUP)
- Published
- 2021
- Language
- EN
- Field
- Agricultural and Biological Sciences (Life Sciences)