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Marta Michniewicz, Cheng-Hsun Ho, Tara A. Enders, Eric Floro, Suresh Damodaran, Lauren K. Gunther, Samantha K. Powers, Elizabeth M. Frick, Christopher N. Topp, Wolf B. Frommer, and Lucia C. Strader (2019). TRANSPORTER OF IBA1 Links Auxin and Cytokininto Influence Root Architecture. Developmental Cell 2019. In press. (https://www.sciencedirect.com/science/article/pii/S1534580719305283)
Developmental processes that control root system architecture are critical for soil exploration by plants, allowing for uptake of water and nutrients. Conversion of the auxin precursor indole-3-butyric acid (IBA) to active auxin (indole-3-acetic acid; IAA) modulates lateral root formation. However, mechanisms governing IBA-to-IAA conversion have yet to be elucidated. We identified TRANSPORTER OF IBA1 (TOB1) as a vacuolar IBA transporter that limits lateral root formation. Moreover, TOB1, which is transcriptionally regulated by the phytohormone cytokinin, is necessary for the ability of cytokinin to exert inhibitory effects on lateral root production. The increased production of lateral roots in tob1 mutants, TOB1 transport of IBA into the vacuole, and cytokinin-regulated TOB1 expression provide a mechanism linking cytokinin signaling and IBA contribution to the auxin pool to tune root system architecture.

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2019/08/26 ABRC Seminar

2019/07/19 ABRC Seminar 2019/05/27 ABRC Seminar 2019/03/04 ABRC Seminar

SEMINAR more

*2019/08/26 10:30 AM
郭育倫博士 (圖爾思生技微生物體研究中心技術長)
走入生科叢林的跨界碼農
Auditorium A134, Agricultural Technology Building

*2019/09/09 10:30 AM
Dr. Michitaka Notaguchi (Associate Professor, Laboratory of Bioindustry, Bioscience and Biotechnology Center, Nagoya University & ITbM, Nagoya University, Japan)
Studies on grafting mechanism and a technique for graft production
Auditorium A134, Agricultural Technology Building

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Chih-Cheng Chien, Mei-Yi Chou, Chun-Yi Chen & Ming-Che Shih* (2019) Analysis of genetic diversity of Xanthomonas oryzae pv. oryzae populations in Taiwan Scientific Reports (https://doi.org/10.1038/s41598-018-36575-x)

Chih-Cheng Lin, Ya-Ting Chao, Wan-Chieh Chen, Hsiu-Yin Ho, Mei-Yi Chou, Ya-Ru Li, Yu-Lin Wu, Hung-An Yang, Hsiang Hsieh, Choun-Sea Lin, Fu-Hui Wu, Shu-Jen Chou, Hao-Chung Jen, Yung-Hsiang Huang, Deli Irene, Wen-Jin Wu, Jian-Li Wu, Daniel J. Gibbs, Meng-Chiao Ho*, and Ming-Che Shih* (2019) Regulatory cascade involving transcriptional and N-end rule pathways in rice under submergence. Proc. Natl. Acad. Sci., published ahead of print February 5, 2019. https://doi.org/10.1073/pnas.1818507116

Li Chang, Ho-Hsiung Chang, Jui-Che Chang, Hsiang-Chia Lu, Tan-Tung Wang, Duen-Wei Hsu, Yuh Tzean, An-Po Cheng, Yi-Shu Chiu and Hsin-Hung Yeh* (2018) Plant A20/AN1 protein serves as the important hub to mediate antiviral immunity. PLoS Pathog. https://doi.org/10.1371/journal.ppat.1007288

Hsing-Yi Cho, Mei-Yeh Jade Lu and Ming-Che Shih* (2018) New Phytologist https://doi.org/10.1111/nph.15589

Yi-Shu Chiu, Pi-Yu Chen, Tung Kuan, Po-Chuan Wang, Ying-Ju Chen, Yu-Liang Yang* and Hsin-Hung Yeh* (2018) A Polysaccharide derived from a Trichosporon sp. culture strongly primes plant resistance to viruses. MPMI. https://doi.org/10.1094/MPMI-01-18-0012-R

Rice bacterial blight caused by Xanthomonas oryzae pv. oryzae (Xoo) is a major rice disease. In Taiwan, the tropical indica type of Oryza sativa originally grown in this area is mix-cultivated with the temperate japonica type of O. sativa, and this might have led to adaptive changes of both rice host and Xoo isolates. In order to better understand how Xoo adapts to this unique environment, we collected and analyzed fifty-one Xoo isolates in Taiwan. ...more
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