1 FRONT MATTER 1 2 Title: Temperature-dependent fasciation mutants connect mitochondrial RNA processing 3 to control of lateral root morphogenesis 4 5 Authors 6 Kurataka Otsuka 1†‡ , Akihito Mamiya 1† , Mineko Konishi 1§ , Mamoru Nozaki 1|| , Atsuko Kinoshita 1¶ , 7 Hiroaki Tamaki 1# , Masaki Arita 1†† , Masato Saito 1‡‡ , Kayoko Yamamoto 1§§ , Takushi Hachiya 2 , Ko 8 Noguchi 3 , Takashi Ueda 4 , Yusuke Yagi 5 , Takehito Kobayashi 5|||| , Takahiro Nakamura 5 , Yasushi 9 Sato 6 , Takashi Hirayama 7 , Munetaka Sugiyama 1 * 10 11 Affiliations 12 1 Botanical Gardens, Graduate School of Science, The University of Tokyo, Tokyo, 112-0001, 13 Japan. 14 2 Department of Molecular and Functional Genomics, Interdisciplinary Center for Science 15 Research, Shimane University, Shimane, 690-8504, Japan. 16 3 Department of Applied Life Science, School of Life Sciences, Tokyo University of Pharmacy and 17 Life Sciences, Tokyo, 192-0392, Japan. 18 4 Division of Cellular Dynamics, National Institute for Basic Biology, Aichi, 444-8585, Japan. 19 5 Department of Bioscience and Biotechnology, Faculty of Agriculture, Kyushu University, 20 Fukuoka, 819-0395, Japan. 21 6 Biology and Environmental Science, Graduate School of Science and Engineering, Ehime 22 University, Ehime, 790-8577, Japan. 23 7 Institute of Plant Science and Resources, Okayama University, Okayama, 710-0046, Japan. 24 ‡Present address: Division of Molecular and Cellular Medicine, National Cancer Center Research 25 Institute, Tokyo, 104-0045, Japan. / R&D Division, Kewpie Corporation Sengawa Kewport, 26 Tokyol, 182-0002, Japan. / Division of Molecular and Cellular Medicine, Institute of Medical 27 Science, Tokyo Medical University, Tokyo, 160-0023, Japan. 28 §Present address: Biotechnology Research Center, The University of Tokyo, Tokyo, 113-8657, 29 Japan. 30 ||Present address: Biotechnology Research Center and Department of Biotechnology, Toyama 31 Prefectural University, Toyama, 939-0398, Japan. 32 ¶Present address: Department of Biological Sciences, Graduate School of Science, Tokyo 33 Metropolitan University, Tokyo, 192-0397, Japan. 34 #Present address: Health and Crop Sciences Research Laboratory, Sumitomo Chemical Co. Ltd., 35 Hyogo, 665–8555, Japan. 36 ‡‡Present address: Innovation Promotion Division, Oji Holdings Corporation, Tokyo, 135-8558, 37 Japan. 38 §§Present address: Department of Biological Sciences, Graduate School of Science, Tokyo, 113- 39 0033, Japan. 40 ||||Present address: GRA&GREEN Inc., Incubation Facility 106, Nagoya University, Aichi, 464- 41 0814, Japan. 42 †These authors contributed equally to this work. 43 *Corresponding author. Email: sugiyama@ns.bg.s.u-tokyo.ac.jp 44 preprint (which was not certified by peer review) is the author/funder. All rights reserved. No reuse allowed without permission. The copyright holder for this this version posted September 23, 2020. ; https://doi.org/10.1101/2020.06.09.141382 doi: bioRxiv preprint