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461 results on '"Mochida, Keiichi"'

11. The barley pan-genome reveals the hidden legacy of mutation breeding

Author

Jayakodi, Murukarthick, Padmarasu, Sudharsan, Haberer, Georg, Bonthala, Venkata Suresh, Gundlach, Heidrun, Monat, Cécile, Lux, Thomas, Kamal, Nadia, Lang, Daniel, Himmelbach, Axel, Ens, Jennifer, Zhang, Xiao-Qi, Angessa, Tefera T., Zhou, Gaofeng, Tan, Cong, Hill, Camilla, Wang, Penghao, Schreiber, Miriam, Boston, Lori B., Plott, Christopher, Jenkins, Jerry, Guo, Yu, Fiebig, Anne, Budak, Hikmet, Xu, Dongdong, Zhang, Jing, Wang, Chunchao, Grimwood, Jane, Schmutz, Jeremy, Guo, Ganggang, Zhang, Guoping, Mochida, Keiichi, Hirayama, Takashi, Sato, Kazuhiro, Chalmers, Kenneth J., Langridge, Peter, Waugh, Robbie, Pozniak, Curtis J., Scholz, Uwe, Mayer, Klaus F. X., Spannagl, Manuel, Li, Chengdao, Mascher, Martin, and Stein, Nils

Published
2020
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17. The 33rd International Conference on Arabidopsis Research (ICAR2023).

Author

Ueda, Minoru, Higashiyama, Tetsuya, Sugimoto, Keiko, Mochida, Keiichi, Nakajima, Keiji, Hayashi, Makoto, Okamoto, Masanori, Nakamura, Yuki, and Seki, Motoaki

Subjects
ARABIDOPSIS, CONFERENCES & conventions, POSTER presentations, BOTANY, AGRICULTURAL productivity
Abstract

The 33rd International Conference on Arabidopsis Research (ICAR2023) was held at Makuhari Messe International Conference Hall in Chiba prefecture from June 5 to 9, 2023. This annual conference, which rotates among hosts in North America, Asia–Oceania, and Europe, covers the full range of plant biology research involving Arabidopsis and other plant species. The conference hosted more than 1200 participants, including approximately 800 international attendees from 42 countries (or regions), and featured about 900 oral and poster presentations. Reflecting the conference theme, "Arabidopsis for Sustainable Development Goals (SDGs)," there were numerous exemplary presentations regarding basic plant science using Arabidopsis and translational research conducted to achieve SDGs by exploiting the knowledge gained from Arabidopsis to improve crop production. The conference concluded on a high note, with more than 99% of survey respondents expressing their general satisfaction with ICAR2023. This report aims to summarize the organization, objectives, and outcomes of the conference. [ABSTRACT FROM AUTHOR]

Published
2023
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19. Exome-wide variation in a diverse barley panel reveals genetic associations with ten agronomic traits in Eastern landraces

Author

Kim, June-Sik, primary, Takahagi, Kotaro, additional, Inoue, Komaki, additional, Shimizu, Minami, additional, Uehara-Yamaguchi, Yukiko, additional, Kanatani, Asaka, additional, Saisho, Daisuke, additional, Nishii, Ryuei, additional, Lipka, Alexander E., additional, Hirayama, Takashi, additional, Sato, Kazuhiro, additional, and Mochida, Keiichi, additional

Published
2023
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20. MORE PANICLES 3 , a natural allele of OsTB1/FC1 , impacts rice yield in paddy fields at elevatedCO 2levels

Author

Takai, Toshiyuki, primary, Taniguchi, Yojiro, additional, Takahashi, Megumu, additional, Nagasaki, Hideki, additional, Yamamoto, Eiji, additional, Hirose, Sakiko, additional, Hara, Naho, additional, Akashi, Hiroko, additional, Ito, Jun, additional, Arai‐Sanoh, Yumiko, additional, Hori, Kiyosumi, additional, Fukuoka, Shuichi, additional, Sakai, Hidemitsu, additional, Tokida, Takeshi, additional, Usui, Yasuhiro, additional, Nakamura, Hirofumi, additional, Kawamura, Kensuke, additional, Asai, Hidetoshi, additional, Ishizaki, Takuma, additional, Maruyama, Kyonoshin, additional, Mochida, Keiichi, additional, Kobayashi, Nobuya, additional, Kondo, Motohiko, additional, Tsuji, Hiroyuki, additional, Tsujimoto, Yasuhiro, additional, Hasegawa, Toshihiro, additional, and Uga, Yusaku, additional

Published
2023
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21. A metabolome genome-wide association study implicates histidine N-pi-methyltransferase as a key enzyme in N-methylhistidine biosynthesis in Arabidopsis thaliana

Author

Uchida, Kai, Kim, June-Sik, Sato, Muneo, Tabeta, Hiromitsu, Mochida, Keiichi, Hirai, Masami Yokota, Uchida, Kai, Kim, June-Sik, Sato, Muneo, Tabeta, Hiromitsu, Mochida, Keiichi, and Hirai, Masami Yokota

Abstract

A genome-wide association study (GWAS), which uses information on single nucleotide polymorphisms (SNPs) from many accessions, has become a powerful approach to gene identification. A metabolome GWAS (mGWAS), which relies on phenotypic information based on metabolite accumulation, can identify genes that contribute to primary and secondary metabolite contents. In this study, we carried out a mGWAS using seed metabolomic data from Arabidopsis thaliana accessions obtained by liquid chromatography–mass spectrometry to identify SNPs highly associated with the contents of metabolites such as glucosinolates. These SNPs were present in genes known to be involved in glucosinolate biosynthesis, thus confirming the effectiveness of our analysis. We subsequently focused on SNPs detected in an unknown methyltransferase gene associated with N-methylhistidine content. Knockout and overexpression of A. thaliana lines of this gene had significantly decreased and increased Nmethylhistidine contents, respectively. We confirmed that the overexpressing line exclusively accumulated histidine methylated at the pi position, not at the tau position. Our findings suggest that the identified methyltransferase gene encodes a key enzyme for N-methylhistidine biosynthesis in A. thaliana., Frontiers in Plant Science, 14, art. no. 1201129; 2023

Published
2023

27. Effects of glutathione on waterlogging-induced damage in sesame crop

Author

Keya, Sanjida Sultana, primary, Mostofa, Mohammad Golam, additional, Mezanur Rahman, Md., additional, Das, Ashim Kumar, additional, Abiar Rahman, Md., additional, Anik, Touhidur Rahman, additional, Sultana, Sharmin, additional, Arifur Rahman Khan, Md., additional, Robyul Islam, Md., additional, Watanabe, Yasuko, additional, Mochida, Keiichi, additional, and Tran, Lam-Son Phan, additional

Published
2022
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28. Time-series transcriptome of Brachypodium distachyon during bacterial flagellin-induced pattern-triggered immunity

Author

Ogasahara, Tsubasa, primary, Kouzai, Yusuke, additional, Watanabe, Megumi, additional, Takahashi, Akihiro, additional, Takahagi, Kotaro, additional, Kim, June-Sik, additional, Matsui, Hidenori, additional, Yamamoto, Mikihiro, additional, Toyoda, Kazuhiro, additional, Ichinose, Yuki, additional, Mochida, Keiichi, additional, and Noutoshi, Yoshiteru, additional

Published
2022
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29. Secreted Glycosyltransferase RsIA_GT of Rhizoctonia solani AG-1 IA Inhibits Defense Responses in Nicotiana benthamiana

Author

Zhang, Danhua, primary, Wang, Zhaoyilin, additional, Yamamoto, Naoki, additional, Wang, Mingyue, additional, Yi, Xiaoqun, additional, Li, Ping, additional, Lin, Runmao, additional, Nasimi, Zohreh, additional, Okada, Kazunori, additional, Mochida, Keiichi, additional, Noutoshi, Yoshiteru, additional, and Zheng, Aiping, additional

Published
2022
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34. The histidine phosphotransfer AHP4 plays a negative role in Arabidopsis plant response to drought

Author

Ha, Chien Van, primary, Mostofa, Mohammad Golam, additional, Nguyen, Kien Huu, additional, Tran, Cuong Duy, additional, Watanabe, Yasuko, additional, Li, Weiqiang, additional, Osakabe, Yuriko, additional, Sato, Mayuko, additional, Toyooka, Kiminori, additional, Tanaka, Maho, additional, Seki, Motoaki, additional, Burritt, David J., additional, Anderson, Cheyenne Marie, additional, Zhang, Ru, additional, Nguyen, Huong Mai, additional, Le, Vy Phuong, additional, Bui, Hien Thuy, additional, Mochida, Keiichi, additional, and Tran, Lam‐Son Phan, additional

Published
2022
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41. KARRIKIN UPREGULATED F-BOX 1 negatively regulates drought tolerance in Arabidopsis

Author

Tian, Hongtao, primary, Watanabe, Yasuko, additional, Nguyen, Kien Huu, additional, Tran, Cuong Duy, additional, Abdelrahman, Mostafa, additional, Liang, Xiaohan, additional, Xu, Kun, additional, Sepulveda, Claudia, additional, Mostofa, Mohammad Golam, additional, Van Ha, Chien, additional, Nelson, David C, additional, Mochida, Keiichi, additional, Tian, Chunjie, additional, Tanaka, Maho, additional, Seki, Motoaki, additional, Miao, Yuchen, additional, Tran, Lam-Son Phan, additional, and Li, Weiqiang, additional

Published
2022
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42. SUPPRESSOR of MAX2 1 (SMAX1) and SMAX1-LIKE2 (SMXL2) Negatively Regulate Drought Resistance in Arabidopsis thaliana

Author

Feng, Zhonghui, primary, Liang, Xiaohan, additional, Tian, Hongtao, additional, Watanabe, Yasuko, additional, Nguyen, Kien Huu, additional, Tran, Cuong Duy, additional, Abdelrahman, Mostafa, additional, Xu, Kun, additional, Mostofa, Mohammad Golam, additional, Ha, Chien Van, additional, Mochida, Keiichi, additional, Tian, Chunjie, additional, Tanaka, Maho, additional, Seki, Motoaki, additional, Liang, Zhengwei, additional, Miao, Yuchen, additional, Tran, Lam-Son Phan, additional, and Li, Weiqiang, additional

Published
2022
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44. FE UPTAKE‐INDUCING PEPTIDE1 maintains Fe translocation by controlling Fe deficiency response genes in the vascular tissue of Arabidopsis

Author

Okada, Satoshi, Lei, Gui J., Yamaji, Naoki, Huang, Sheng, Ma, Jian F., Mochida, Keiichi, Hirayama, Takashi, Okada, Satoshi, Lei, Gui J., Yamaji, Naoki, Huang, Sheng, Ma, Jian F., Mochida, Keiichi, and Hirayama, Takashi

Abstract

FE UPTAKE-INDUCING PEPTIDE1 (FEP1), also named IRON MAN3 (IMA3) is a short peptide involved in the iron deficiency response in Arabidopsis thaliana. Recent studies uncovered its molecular function, but its physiological function in the systemic Fe response is not fully understood. To explore the physiological function of FEP1 in iron homoeostasis, we performed a transcriptome analysis using the FEP1 loss-of-function mutant fep1-1 and a transgenic line with oestrogen-inducible expression of FEP1. We determined that FEP1 specifically regulates several iron deficiency-responsive genes, indicating that FEP1 participates in iron translocation rather than iron uptake in roots. The iron concentration in xylem sap under iron-deficient conditions was lower in the fep1-1 mutant and higher in FEP1-induced transgenic plants compared with the wild type (WT). Perls staining revealed a greater accumulation of iron in the cortex of fep1-1 roots than in the WT root cortex, although total iron levels in roots were comparable in the two genotypes. Moreover, the fep1-1 mutation partially suppressed the iron overaccumulation phenotype in the leaves of the oligopeptide transporter3-2 (opt3-2) mutant. These data suggest that FEP1 plays a pivotal role in iron movement and in maintaining the iron quota in vascular tissues in Arabidopsis.

Published
2022

45. Time-series transcriptome of Brachypodium distachyon during bacterial flagellin-induced pattern-triggered immunity

Author

Ogasahara, Tsubasa, Kouzai, Yusuke, Watanabe, Megumi, Takahashi, Akihiro, Takahagi, Kotaro, Kim, June-Sik, Matsui, Hidenori, Yamamoto, Mikihiro, Toyoda, Kazuhiro, Ichinose, Yuki, Mochida, Keiichi, Noutoshi, Yoshiteru, Ogasahara, Tsubasa, Kouzai, Yusuke, Watanabe, Megumi, Takahashi, Akihiro, Takahagi, Kotaro, Kim, June-Sik, Matsui, Hidenori, Yamamoto, Mikihiro, Toyoda, Kazuhiro, Ichinose, Yuki, Mochida, Keiichi, and Noutoshi, Yoshiteru

Abstract

Plants protect themselves from microorganisms by inducing pattern-triggered immunity (PTI) via recognizing microbe-associated molecular patterns (MAMPs), conserved across many microbes. Although the MAMP perception mechanism and initial events during PTI have been well-characterized, knowledge of the transcriptomic changes in plants, especially monocots, is limited during the intermediate and terminal stages of PTI. Here, we report a time-series high-resolution RNA-sequencing (RNA-seq) analysis during PTI in the leaf disks of Brachypodium distachyon. We identified 6,039 differentially expressed genes (DEGs) in leaves sampled at 0, 0.5, 1, 3, 6, and 12 hours after treatment (hat) with the bacterial flagellin peptide flg22. The k-means clustering method classified these DEGs into 10 clusters (6 upregulated and 4 downregulated). Based on the results, we selected 10 PTI marker genes in B. distachyon. Gene ontology (GO) analysis suggested a tradeoff between defense responses and photosynthesis during PTI. The data indicated the recovery of photosynthesis started at least at 12 hat. Over-representation analysis of transcription factor genes and cis-regulatory elements in DEG promoters implied the contribution of 12 WRKY transcription factors in plant defense at the early stage of PTI induction.

Published
2022

46. Plant Hormonomics: A Key Tool for Deep Physiological Phenotyping to Improve Crop Productivity

Author

Hirayama, Takashi, Mochida, Keiichi, Hirayama, Takashi, and Mochida, Keiichi

Abstract

Agriculture is particularly vulnerable to climate change. To cope with the risks posed by climate-related stressors to agricultural production, global population growth, and changes in food preferences, it is imperative to develop new climate-smart crop varieties with increased yield and environmental resilience. Molecular genetics and genomic analyses have revealed that allelic variations in genes involved in phytohormone-mediated growth regulation have greatly improved productivity in major crops. Plant science has remarkably advanced our understanding of the molecular basis of various phytohormone-mediated events in plant life. These findings provide essential information for improving the productivity of crops growing in changing climates. In this review, we highlight the recent advances in plant hormonomics (multiple phytohormone profiling) and discuss its application to crop improvement. We present plant hormonomics as a key tool for deep physiological phenotyping, focusing on representative plant growth regulators associated with the improvement of crop productivity. Specifically, we review advanced methodologies in plant hormonomics, highlighting mass spectrometry- and nanosensor-based plant hormone profiling techniques. We also discuss the applications of plant hormonomics in crop improvement through breeding and agricultural management practices.

Published
2022

49. Brachypodium as a Model for the Grasses: Today and the Future

Author

Brkljacic, Jelena, Grotewold, Erich, Scholl, Randy, Mockler, Todd, Garvin, David F., Vain, Philippe, Brutnell, Thomas, Sibout, Richard, Bevan, Michael, Budak, Hikmet, Caicedo, Ana L., Gao, Caixia, Gu, Yong, Hazen, Samuel P., Holt, Ben F., Hong, Shin-Young, Jordan, Mark, Manzaneda, Antonio J., Mitchell-Olds, Thomas, Mochida, Keiichi, Mur, Luis A.J., Park, Chung-Mo, Sedbrook, John, Watt, Michelle, Zheng, Shao Jian, and Vogel, John P.

Published
2011

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