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S. Kailasam, S. Singh, M.-J. Liu, C.-C. Lin and K.-C. Yeh* (2020) A HemK class glutamine-methyltransferase is involved in the termination of translation and essential for iron homeostasis in Arabidopsis. New Phytologist doi.org/10.1111/nph.16440
Fe-deficiency induced transcriptional cascades controls Fe transport and utilization is important for plant to maintain homeostasis of this important element executing the biological function. So far, we know that many genes participating in these processes are transcriptionally controlled by Fe-status. By a genetical approach, we identified a novel component, HemK-like methyltransferase, that is involved in the termination of translation. With defect of this gene, plants lose ion homeostasis and are highly sensitive to Fe deficiency and possess other developmental flaws. We detected that many Fe-deficiency-inducible transcripts exhibit ribosome stalling implying translational failings in the mutant. In this study, a check-point that fine tunes the peptide release for growth and development in plants is uncovered. Our report sheds light on mechanisms of translation termination and its importance in preserving both molecular and physiological responses to Fe-starvation.

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2020/02/24 ABRC Seminar

2020/03/09  ABRC Seminar 2020/02/20 ABRC Seminar 2020/02/17 ABRC Seminar

SEMINAR more

*2020/04/13 11:00 AM
Dr. Julian Schroeder (Novartis Distinguished Professor in Plant Sciences, University of California, San Diego, USA)
CO2 Sensing in Plants and New Insights into Drought-Induced Abscisic Acid Signal Transduction
Auditorium A134, Agricultural Technology Building

*2020/09/07 10:00 AM
Dr. Michael Alan Huffman (Associate Professor (tenured), Department of Ecology and Social Behavior, Primate Research Institute, Kyoto University, Japan)
Learn from primate self-medication about the maintenance of human and domestic animal health?
Auditorium A134, Agricultural Technology Building

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Yamada M, Han X, Benfey PN (2020) RGF1 controls root meristem size through ROS signaling. Nature. 2020 Jan;577(7788):85-88. doi: 10.1038/s41586-019-1819-6. Epub 2019 Dec 4.

Yue JJ, Hong CY, Wei P, Tsai YC, Lin CS (2020) How to start your monocot CRISPR/Cas project: plasmid design, efficiency detection, and offspring analysis. Rice 13:9.

H.-F. Chang, S.-L. Wang*, D.-C. Lee, S. S.-Y. Hsiao, Y. Hashimoto, and K.-C. Yeh* (2020) Assessment of indium toxicity to the model plant Arabidopsis. Journal of Hazardous Materials doi.org/10.1016/j.jhazmat.2019.121983

Yang, Shu-Yi, Lu, Wen-Chien, Ko, Swee-Suak, Sun, Ching-Mei, Hung, Jo-Chi and Chiou, Tzyy-Jen* (2020) uORF and Phosphate-Regulated Expression of Rice OsNLA1 Controls Phosphate Transport and Reproduction. Plant Physiology: pp.01101.02019

Yuh Tzean, Ho-Hsiung Chang, Tsui-Chin Tu, Bo-Han Hou, Ho-Ming Chen, Yi-Shu Chiu, Wei-Yi Chou, Li Chang, and Hsin-Hung Yeh* (2020) Engineering Plant Resistance to Tomato Yellow Leaf Curl Thailand Virus Using a Phloem-Specific Promoter Expressing Hairpin RNA https://apsjournals.apsnet.org/doi/10.1094/MPMI-06-19-0158-R (Selected for publication in MPMI Focus Issue on Cell Biology of Virus-Plant and Virus-Vector Interaction and commentary in the same issue).

The stem cell niche and the size of the root meristem in plants are maintained by intercellular interactions and signalling networks involving a peptide hormone, root meristem growth factor 1 (RGF1). ...more
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