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Plant Vascular Biology 2013
About 200 researchers from around the world attended the Third International Conference on Plant Vascular Biology (PVB 2013) held in July 2013 at the Rantapuisto Conference Center, in Helsinki, Finland (http://www.pvb2013.org)....
Plasmodesmata-mediated intercellular signaling during plant growth and development.
Plasmodesmata (PD) are cytoplasmic channels that connect neighboring cells for cell-to-cell communication. PD structure and function vary temporally and spatially to allow formation of symplastic domains during different stages...
Phloem development
Phloem, as a major tissue mediating long-distance communication, has been an object of extensive research ever since its structure was first reported in 1837. Functional phloem consists of sieve elements (SEs) and companion...
Genetic Networks in Plant Vascular Development.
Understanding the development of vascular tissues in plants is crucial because the evolution of vasculature enabled plants to thrive on land. Various systems and approaches have been used to advance our knowledge about the...
cambial development genetic approach phloem differentiation phytohormone signaling plant vascular tissue patterning transcriptional network xylem differentiation Gene Expression Regulation Developmental Gene Expression Regulation Plant Gene Regulatory Networks Meristem Morphogenesis phloem Plant Development Plant Growth Regulators Plant Leaves Plant Proteins Plant Roots Plant Stems Plants Transcription Genetic Xylem
Structural Imaging of Native Cryo-Preserved Secondary Cell Walls Reveals the Presence of Macrofibrils and Their Formation Requires Normal Cellulose, Lignin and Xylan Biosynthesis.
Jan J Lyczakowski, Matthieu Bourdon, Oliver M Terrett, Ykä Helariutta, Raymond Wightman, Paul Dupree
Dec 12, 2019
The woody secondary cell walls of plants are the largest repository of renewable carbon biopolymers on the planet. These walls are made principally from cellulose and hemicelluloses and are impregnated with lignin. Despite their...
Tryptophan-dependent auxin biosynthesis is required for HD-ZIP III-mediated xylem patterning.
Robertas Ursache, Shunsuke Miyashima, Qingguo Chen, Anne Vatén, Keiji Nakajima, Annelie Carlsbecker, Yunde Zhao, Ykä Helariutta, Jan Dettmer
Aug 08, 2019
Arabidopsis thaliana Auxin biosynthesis HD-ZIP III Metaxylem Arabidopsis Arabidopsis Proteins Body Patterning Gene Expression Regulation Developmental Gene Expression Regulation Plant Genes Plant Homeodomain Proteins Indoleacetic Acids Mutation Oxygenases Plant Roots Plants Genetically Modified Signal Transduction Tryptophan Xylem
VISUAL-CC system uncovers the role of GSK3 as an orchestrator of vascular cell type ratio in plants
Takayuki Tamaki, Satoyo Oya, Makiko Naito, Yasuko Ozawa, Tomoyuki Furuya, Masato Saito, Mayuko Sato, Mayumi Wakazaki, Kiminori Toyooka, Hiroo Fukuda, Ykä Helariutta, Yuki Kondo
Apr 22, 2021
Abstract: The phloem transports photosynthetic assimilates and signalling molecules. It mainly consists of sieve elements (SEs), which act as “highways” for transport, and companion cells (CCs), which serve as “gates” to...
GRIM REAPER peptide binds to receptor kinase PRK5 to trigger cell death in Arabidopsis.
Michael Wrzaczek, Julia P Vainonen, Simon Stael, Liana Tsiatsiani, Hanna Help-Rinta-Rahko, Adrien Gauthier, David Kaufholdt, Benjamin Bollhöner, Airi Lamminmäki, An Staes, Kris Gevaert, Hannele Tuominen, Frank Van Breusegem, Ykä Helariutta, Jaakko Kangasjärvi
May 08, 2019
Recognition of extracellular peptides by plasma membrane-localized receptor proteins is commonly used in signal transduction. In plants, very little is known about how extracellular peptides are processed and activated in order...
Interactions between callose and cellulose revealed through the analysis of biopolymer mixtures.
Radwa H Abou-Saleh, Mercedes C Hernandez-Gomez, Sam Amsbury, Candelas Paniagua, Matthieu Bourdon, Shunsuke Miyashima, Ykä Helariutta, Martin Fuller, Tatiana Budtova, Simon D Connell, Michael E Ries, Yoselin Benitez-Alfonso
Dec 18, 2018
The properties of (1,3)-β-glucans (i.e., callose) remain largely unknown despite their importance in plant development and defence. Here we use mixtures of (1,3)-β-glucan and cellulose, in ionic liquid solution and hydrogels, as...
VISUAL-CC system uncovers the role of GSK3 as an orchestrator of vascular cell type ratio in plants.
Takayuki Tamaki, Satoyo Oya, Makiko Naito, Yasuko Ozawa, Tomoyuki Furuya, Masato Saito, Mayuko Sato, Mayumi Wakazaki, Kiminori Toyooka, Hiroo Fukuda, Ykä Helariutta, Yuki Kondo
Jun 05, 2020
The phloem transports photosynthetic assimilates and signalling molecules. It mainly consists of sieve elements (SEs), which act as "highways" for transport, and companion cells (CCs), which serve as "gates" to load/unload...
VISUAL-CC system uncovers the role of GSK3 as an orchestrator of vascular cell type ratio in plants
Takayuki Tamaki, Satoyo Oya, Makiko Naito, Yasuko Ozawa, Tomoyuki Furuya, Masato Saito, Mayuko Sato, Mayumi Wakazaki, Kiminori Toyooka, Hiroo Fukuda, Ykä Helariutta, Yuki Kondo
Feb 18, 2021
Abstract: The phloem transports photosynthetic assimilates and signalling molecules. It mainly consists of sieve elements (SEs), which act as “highways” for transport, and companion cells (CCs), which serve as “gates” to...
Characterization of cytokinin signaling and homeostasis gene families in two hardwood tree species
Juha Immanen, Kaisa Nieminen, Héctor Duchens Silva, Fernanda Rodríguez Rojas, Lee A Meisel, Herman Silva, Victor A Albert, Torgeir R Hvidsten, Ykä Helariutta
Sep 29, 2018
BACKGROUND: Through the diversity of cytokinin regulated processes, this phytohormone has a profound impact on plant growth and development. Cytokinin signaling is involved in the control of apical and lateral meristem activity...
Integration of hormonal signaling networks and mobile microRNAs is required for vascular patterning in Arabidopsis roots.
Daniele Muraro, Nathan Mellor, Michael P Pound, Hanna Help, Mikaël Lucas, Jérôme Chopard, Helen M Byrne, Christophe Godin, T Charlie Hodgman, John R King, Tony P Pridmore, Ykä Helariutta, Malcolm J Bennett, Anthony Bishopp
Oct 18, 2018
As multicellular organisms grow, positional information is continually needed to regulate the pattern in which cells are arranged. In the Arabidopsis root, most cell types are organized in a radially symmetric pattern; however...
Cytokinin and Auxin Display Distinct but Interconnected Distribution and Signaling Profiles to Stimulate Cambial Activity.
Juha Immanen, Kaisa Nieminen, Olli-Pekka Smolander, Mikiko Kojima, Juan Alonso Serra, Patrik Koskinen, Jing Zhang, Annakaisa Elo, Ari Pekka Mähönen, Nathaniel Street, Rishikesh P Bhalerao, Lars Paulin, Petri Auvinen, Hitoshi Sakakibara, Ykä Helariutta
Jun 23, 2016
Sphingolipid biosynthesis modulates plasmodesmal ultrastructure and phloem unloading.
Dawei Yan, Shri Ram Yadav, Andrea Paterlini, William J Nicolas, Jules D Petit, Lysiane Brocard, Ilya Belevich, Magali S Grison, Anne Vaten, Leila Karami, Sedeer El-Showk, Jung-Youn Lee, Gosia M Murawska, Jenny Mortimer, Michael Knoblauch, Eija Jokitalo, Jennifer E Markham, Emmanuelle M Bayer, Ykä Helariutta
May 08, 2019
AINTEGUMENTA and the D-type cyclin CYCD3;1 regulate root secondary growth and respond to cytokinins.
Ricardo S Randall, Shunsuke Miyashima, Tiina Blomster, Jing Zhang, Annakaisa Elo, Anna Karlberg, Juha Immanen, Kaisa Nieminen, Ji-Young Lee, Tatsuo Kakimoto, Karolina Blajecka, Charles W Melnyk, Annette Alcasabas, Celine Forzani, Miho Matsumoto-Kitano, Ari Pekka Mähönen, Rishikesh Bhalerao, Walter Dewitte, Ykä Helariutta, James AH Murray
Sep 29, 2018
Higher plant vasculature is characterized by two distinct developmental phases. Initially, a well-defined radial primary pattern is established. In eudicots, this is followed by secondary growth, which involves development of...
Plant development. Arabidopsis NAC45/86 direct sieve element morphogenesis culminating in enucleation.
Kaori Miyashima Furuta, Shri Ram Yadav, Satu Lehesranta, Ilya Belevich, Shunsuke Miyashima, Jung-Ok Heo, Anne Vatén, Ove Lindgren, Bert De Rybel, Gert Van Isterdael, Panu Somervuo, Raffael Lichtenberger, Raquel Rocha, Siripong Thitamadee, Sari Tähtiharju, Petri Auvinen, Tom Beeckman, Eija Jokitalo, Ykä Helariutta
Nov 04, 2019
Photoassimilates such as sugars are transported through phloem sieve element cells in plants. Adapted for effective transport, sieve elements develop as enucleated living cells. We used electron microscope imaging and...
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