Review
Plant Sciences
Matous Glanc
Summary: This article reviews recent progress in understanding cell division orientation in the Arabidopsis embryo and primary root meristem, emphasizing the importance of multilevel polarity and the integration of developmental and cell biological approaches for unraveling the mechanistic basis of plant cell division orientation.
JOURNAL OF EXPERIMENTAL BOTANY
(2022)
Article
Plant Sciences
Hirotomo Takatsuka, Anna Sasaki, Naoki Takahashi, Michitaro Shibata, Keiko Sugimoto, Maho Tanaka, Motoaki Seki, Masaaki Umeda
Summary: Root hairs are important for water and nutrient uptake from the soil and are controlled by both developmental programs and environmental factors. Phytohormones, such as auxin, ethylene, and cytokinin, play crucial roles in root hair growth. In this study, it was discovered that cytokinin promotes root hair elongation by up-regulating a transcription factor called RSL4, independently of auxin or ethylene signaling. These findings provide new insights into the regulatory mechanisms of root hair growth.
JOURNAL OF EXPERIMENTAL BOTANY
(2023)
Article
Plant Sciences
Nan Sun, Lin Huang, Hongcheng Zhao, Nan Zhang, Xianyong Lin, Chengliang Sun
Summary: The application of Azospirillum brasilense can improve plant adaptation to Pi deficiency by promoting root hair development, enhancing acid phosphatase activity, and increasing Pi transporter expression levels.
PLANT AND CELL PHYSIOLOGY
(2022)
Article
Plant Sciences
Lucia Arenas-Alfonseca, Masashi Yamada, Luis C. Romero, Irene Garcia
Summary: Root hairs are important for water and nutrient absorption in plants. The ss-cyanoalanine synthase (CAS) gene in Arabidopsis thaliana is involved in root hair elongation and detoxification of hydrogen cyanide (HCN). Proteomics analysis revealed that S-cyanylation, a post-translational modification mediated by HCN, modifies proteins related to root hair development.
Article
Multidisciplinary Sciences
Lisa Stephan, Marc Jakoby, Arijit Das, Eva Koebke, Martin Huelskamp
Summary: In eukaryotic cells, the directional movement and positioning of organelles and macromolecules are regulated by actin-based processes driven by class XI myosins in plants. Analysis of myosin function is challenging due to redundancy, leading to the use of dominant negative acting truncated myosins. Comparing the dominant negative effect of coiled-coil domains and GTD domains revealed a stronger inhibition of P-body movement by GTD domains, suggesting a competition for cargo binding sites.
Article
Plant Sciences
Mingjing Wang, Hailong Zhang, Xiaonan Zhao, Jingwen Zhou, Guochen Qin, Yuqi Liu, Xiaoyue Kou, Zhenjie Zhao, Tao Wu, Jian-Kang Zhu, Xianzhong Feng, Lixin Li
Summary: The gene AtSYP81 in Arabidopsis thaliana plays a critical role in root growth and development by regulating peroxisome- and peroxidase-mediated ROS homeostasis. Knockdown of AtSYP81 resulted in reduced root meristem activity and disruption of root stem cell niche identity. Transcriptome analysis revealed changed expression of class III peroxidases, adding evidence of the regulatory role of AtSYP81 in ROS signaling.
Review
Oncology
Genya Gorshtein, Olivia Grafinger, Marc G. Coppolino
Summary: During metastasis, cancer cells invade extracellular matrix through invadopodia, which formation depends on intracellular signaling, actin cytoskeleton remodeling, and proteolytic matrix modification. SNAREs facilitate the transport of invadopodium-associated proteins and could be a possible target for disrupting metastatic progression.
FRONTIERS IN ONCOLOGY
(2021)
Article
Biochemistry & Molecular Biology
Xiankui Cui, Shuwei Wang, Yaohui Huang, Xuening Ding, Zirong Wang, Lidan Zheng, Yujing Bi, Fanghui Ge, Lei Zhu, Ming Yuan, Shaul Yalovsky, Ying Fu
Summary: This study uncovers a direct link between an ROP GTPase and vesicular trafficking and a new mechanism for the control of apical exocytosis, whereby ROP GTPase signaling spatially regulates SNARE complex assembly and the polar distribution of a Q-SNARE.
Article
Biology
Xiaohang Cheng, Magdalena Bezanilla
Summary: By studying the role of SABRE in moss plants, it was found that SABRE plays a crucial role in cell growth and division processes, and the endoplasmic reticulum plays an important regulatory role in cell division.
Review
Cell Biology
Harry Warner, Shweta Mahajan, Geert van den Bogaart
Summary: Soluble N-ethylmaleimide-sensitive factor attachment protein receptors (SNAREs) are membrane-associated trafficking proteins that facilitate membrane fusion through posttranslational modifications (PTMs). These PTMs provide cells with functional plasticity to respond to changing extracellular environments.
JOURNAL OF CELL SCIENCE
(2022)
Article
Plant Sciences
Peirui Chen, Yanhua Ge, Liying Chen, Fenglian Yan, Lingling Cai, Hongli Zhao, Deshun Lei, Jinxi Jiang, Meiling Wang, Yi Tao
Summary: This study identified a novel regulator, SAV4, that enhances the membrane clustering and stability of PIN2 through direct protein-protein interactions. SAV4 plays a crucial role in ethylene-induced root hair development and establishing a proper auxin gradient in root tips.
Article
Multidisciplinary Sciences
Lea Reuter, Tanja Schmidt, Prabha Manishankar, Christian Throm, Jutta Keicher, Andrea Bock, Irina Droste-Borel, Claudia Oecking
Summary: NPH3 plays a crucial role in auxin-dependent plant phototropism, with blue light triggering its dissociation from the plasma membrane through phosphorylation and interaction with 14-3-3 proteins. In darkness, NPH3 binds polyacidic phospholipids for membrane association. The dynamic change in NPH3 localization mediated by 14-3-3 is essential for auxin-dependent phototropism.
NATURE COMMUNICATIONS
(2021)
Article
Plant Sciences
Thiel A. A. Lehman, Miguel A. A. Rosas, Rhoda A. T. Brew-Appiah, Shyam Solanki, Zara B. B. York, Rachel Dannay, Ying Wu, Eric H. H. Roalson, Ping Zheng, Dorrie Main, Tobias I. I. Baskin, Karen A. A. Sanguinet
Summary: In this study, a previously uncharacterized cyclin-dependent kinase (CDK)-like gene called BUZZ was identified as playing a role in root development. Mutations in BUZZ led to defective elongation of root hairs and increased root growth speed. The mutant also showed altered sensitivity to nitrate, with increased sensitivity in lateral roots and decreased sensitivity in primary roots. Knockout mutants in Arabidopsis thaliana BUZZ also exhibited shorter root hairs. BUZZ was found to be involved in regulating genes related to hormone signaling, RNA processing, cytoskeletal and cell wall organization, and nitrate assimilation.
Article
Developmental Biology
Tatsuaki Goh, Kaoru Sakamoto, Pengfei Wang, Saki Kozono, Koki Ueno, Shunsuke Miyashima, Koichi Toyokura, Hidehiro Fukaki, Byung-Ho Kang, Keiji Nakajima
Summary: The root cap is a tissue that guides root growth in plants. Its cells are constantly replaced through cell division and detachment. The transition of root cap cells from gravity-sensing cells to secretory cells involves rearrangement of organelles in the outer cell layer, which is partially regulated by autophagy. This developmentally regulated autophagy helps in the organized separation of living root cap cells, without causing immediate cell death.
Review
Plant Sciences
Changxin Luo, Yumei Shi, Yun Xiang
Summary: SNARE proteins play essential roles in maintaining cellular homeostasis and regulating root growth and development in Arabidopsis. Recent studies have shown that SNAREs are involved in various fundamental processes and signaling networks related to vesicle trafficking.
FRONTIERS IN PLANT SCIENCE
(2022)
Article
Plant Sciences
Tomoko Hirano, Teun Munnik, Masa H. Sato
PLANT AND CELL PHYSIOLOGY
(2017)
Article
Plant Sciences
Tomoko Hirano, Kelly Stecker, Teun Munnik, Haoxing Xu, Masa H. Sato
PLANT AND CELL PHYSIOLOGY
(2017)
Article
Multidisciplinary Sciences
Marie-Kristin Nagel, Kamila Kalinowska, Karin Vogel, Gregory D. Reynolds, Zhixiang Wu, Franziska Anzenberger, Mie Ichikawa, Chie Tsutsumi, Masa H. Sato, Bernhard Kuster, Sebastian Y. Bednarek, Erika Isono
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
(2017)
Article
Cell Biology
Misoon Park, Cornelia Krause, Matthias Karnahl, Ilka Reichardt, Farid El Kasmi, Ulrike Mayer, York-Dieter Stierhof, Ulrike Hiller, Georg Strompen, Martin Bayer, Marika Kientz, Masa H. Sato, Marc T. Nishimura, Jeffery L. Dangl, Anton A. Sanderfoot, Gerd Juergens
DEVELOPMENTAL CELL
(2018)
Article
Plant Sciences
Narender Kumar, Renee Dale, Daniel Kemboi, Elizabeth A. Zeringue, Naohiro Kato, John C. Larkin
Article
Biochemistry & Molecular Biology
Renee Dale, Yuki Ohmuro-Matsuyama, Hiroshi Ueda, Naohiro Kato
Article
Plant Sciences
Kai Wang, Ruth W. Ndathe, Narender Kumar, Elizabeth A. Zeringue, Naohiro Kato, John C. Larkin
Article
Biotechnology & Applied Microbiology
Tsuyoshi Tanaka, Yoshiaki Maeda, Noraiza Suhaimi, Chiharu Tsuneoka, Tomomi Nonoyama, Tomoko Yoshino, Naohiro Kato, Kyle J. Lauersen
Summary: The study found the phenomenon of intron mediated enhancement (IME) in the oleaginous diatom, Fistulifera solaris, showing that inclusion of introns in heterologous sequences can significantly increase transgene expression, leading to enhanced resistance and selection.
ALGAL RESEARCH-BIOMASS BIOFUELS AND BIOPRODUCTS
(2021)
Article
Cell Biology
Naohiro Kato, Gabela Nelson, Kyle J. Lauersen
Summary: Fatty acids play a crucial role in biological processes, but their metabolism in microalgae, particularly in Chlamydomonas reinhardtii, differs from animals and yeast. Recent studies on C. reinhardtii suggest that lipid turnover is mainly focused on recycling acyl chains within membranes rather than beta-oxidation for energy production. This preference for membrane turnover over beta-oxidation is highlighted through fluorescence microscopy analysis, which also reveals the detoxifying capability of the alga towards hydrogen peroxide produced during beta-oxidation.
Article
Multidisciplinary Sciences
Hee Jin Kim, Naohiro Kato, Ruth Ndathe, Gregory N. Thyssen, Don C. Jones, Harish H. Ratnayaka
Summary: The study found that under optimal temperature, the im mutant displayed similar photosynthetic performance as TM-1, but under high temperature stress, the im mutant reduced photosynthesis by disproportionately decreasing stomatal conductance. Transcriptomic analysis showed differences in expression of heat stress response genes between NIL leaves, suggesting that mitochondrial complex I activity is required for optimal photosynthetic performance and adaptation to high temperature stress.
Article
Plant Sciences
Ruth Ndathe, Renee Dale, Naohiro Kato
Summary: The ABA signaling pathway is crucial for plants to defend against drought stress. Recent research suggests that ABA alters the expression kinetics of over 6,500 genes through ABF-ABRE associations. This study constructed a model that highlights the importance of a single ABRE in the ABA gene regulatory network.
FRONTIERS IN PLANT SCIENCE
(2022)
Article
Cell Biology
Naohiro Kato, Clayton McCuiston, Kimberly A. Szuska, Kyle J. Lauersen, Gabela Nelson, Alexis Strain
Summary: Chlamydomonas reinhardtii preferentially sequesters lipid acyl chains as a means to rapidly rebuild its membranes. It has a complete set of peroxisome biogenesis factors and can simultaneously carry diverse populations of peroxisomes, modulating their contents based on light conditions. These results support the idea that lipid biosynthesis, rather than beta-oxidation, is the primary metabolic preference for fatty acids in the alga.
Article
Multidisciplinary Sciences
Gabela Nelson, Alexis Strain, Atsuko Isu, Alireza Rahnama, Ken-ichi Wakabayashi, Adam T. T. Melvin, Naohiro Kato
Summary: The mechanisms governing chemotaxis in Chlamydomonas reinhardtii are still poorly understood. In this study, a modified Petri dish assay revealed a novel mechanism for ammonium chemotaxis in Chlamydomonas. Light exposure enhanced the chemotactic response, but phototaxis-incompetent mutant strains still exhibited normal chemotaxis. Collective migration was observed during chemotaxis but not phototaxis. The AGG1 protein was found to suppress collective migration during chemotaxis.
SCIENTIFIC REPORTS
(2023)
Article
Biochemistry & Molecular Biology
Misaki Koguchi, Kanako Yamasaki, Tomoko Hirano, Masa H. Sato
PLANT SIGNALING & BEHAVIOR
(2017)
Article
Plant Sciences
Renee Dale, Naohiro Kato
CURRENT PLANT BIOLOGY
(2016)
