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Dr Peter Etchells' Outputs (29)

Identification of cambium stem cell factors and their positioning mechanism (2024)
Journal Article
Eswaran, G., Zhang, X., Rutten, J. P., Han, J., Iida, H., Lopez Ortiz, J., Mäkilä, R., Wybouw, B., Planterose Jiménez, B., Vainio, L., Porcher, A., Gavarron, M. L., Zhang, J., Blomster, T., Dolan, D., Smetana, O., Brady, S. M., Topcu, M. K., Ten Tusscher, K., Etchells, J. P., & Mähönen, A. P. (2024). Identification of cambium stem cell factors and their positioning mechanism. Science, 386(6722), 646-653. https://doi.org/10.1126/science.adj8752

Wood constitutes the largest reservoir of terrestrial biomass. Composed of xylem, it arises from one side of the vascular cambium, a bifacial stem cell niche that also produces phloem on the opposing side. It is currently unknown which molecular fact... Read More about Identification of cambium stem cell factors and their positioning mechanism.

Diversity and development of domatia: Symbiotic plant structures to host mutualistic ants or mites (2024)
Journal Article
Chomicki, G., Walker–Hale, N., Etchells, J. P., Ritter, E. J., & Weber, M. G. (2024). Diversity and development of domatia: Symbiotic plant structures to host mutualistic ants or mites. Current Opinion in Plant Biology, 82, Article 102647. https://doi.org/10.1016/j.pbi.2024.102647

Across the tree of life, specialized structures that offer nesting sites to ants or mites – known as domatia – have evolved independently hundreds of times, facilitating ecologically important defence and/or nutritional mutualisms. Domatia show remar... Read More about Diversity and development of domatia: Symbiotic plant structures to host mutualistic ants or mites.

A mathematical model integrates diverging PXY and MP interactions in cambium development (2023)
Journal Article
Bagdassarian, K., Etchells, J., & Savage, N. (2023). A mathematical model integrates diverging PXY and MP interactions in cambium development. in silico Plants, 5(1), Article diad003. https://doi.org/10.1093/insilicoplants/diad003

The cambium is a secondary meristematic tissue in plant stems, roots and hypocotyls. Here, cell divisions occur that are required for radial growth. In most species that undergo secondary growth, daughters of cell divisions within the cambium differe... Read More about A mathematical model integrates diverging PXY and MP interactions in cambium development.

Light regulates xylem cell differentiation via PIF in Arabidopsis (2022)
Journal Article
Ghosh, S., Nelson, J., Cobb, G., Etchells, J., & de Lucas, M. (2022). Light regulates xylem cell differentiation via PIF in Arabidopsis. Cell Reports, 40(3), Article 111075. https://doi.org/10.1016/j.celrep.2022.111075

The balance between cell proliferation and differentiation in the cambium defines the formation of plant vascular tissues. As cambium cells proliferate, subsets of daughter cells differentiate into xylem or phloem. TDIF-PXY/TDR signaling is central t... Read More about Light regulates xylem cell differentiation via PIF in Arabidopsis.

Laying it on thick: A study in secondary growth (2021)
Journal Article
Turley, E., & Etchells, J. (2022). Laying it on thick: A study in secondary growth. Journal of Experimental Botany, 73(3), 665-679. https://doi.org/10.1093/jxb/erab455

The development of secondary vascular tissue enhances the transport capacity and mechanical strength of plant bodies, while contributing a huge proportion of the world’s biomass in the form of wood. Cell divisions in the cambium, which constitutes th... Read More about Laying it on thick: A study in secondary growth.

Connections in the cambium, receptors in the ring (2020)
Journal Article
Bagdassarian, K. S., Brown, C. M., Jones, E. T., & Etchells, P. (2020). Connections in the cambium, receptors in the ring. Current Opinion in Plant Biology, 57, 96-103. https://doi.org/10.1016/j.pbi.2020.07.001

In plants, pluripotent cells in meristems divide to provide cells for the formation of postembryonic tissues. The cambium is the meristem from which the vascular tissue is derived and is the main driver for secondary (radial) growth in dicots. Xylem... Read More about Connections in the cambium, receptors in the ring.

A PXY-Mediated Transcriptional Network Integrates Signaling Mechanisms to Control Vascular Development in Arabidopsis (2019)
Journal Article
Smit, M., McGregor, S., Sun, H., Gough, C., Bågman, A.-M., Soyars, C., Kroon, J., Gaudinier, A., Williams, C., Yang, X., Nimchuk, Z., Weijers, D., Turner, S., Brady, S., & Etchells, J. (2020). A PXY-Mediated Transcriptional Network Integrates Signaling Mechanisms to Control Vascular Development in Arabidopsis. The Plant Cell, 32, 319-335. https://doi.org/10.1105/tpc.19.00562

Vascular meristems generate the majority of biomass in higher plants. They constitute a bifacial stem cell population from which xylem and phloem are specified on opposing sides by positional signals. The PHLOEM INTERCALATED WITH XYLEM (PXY) receptor... Read More about A PXY-Mediated Transcriptional Network Integrates Signaling Mechanisms to Control Vascular Development in Arabidopsis.

Versatile method for quantifying and analyzing morphological differences in experimentally obtained images (2019)
Journal Article
Bagdassarian, K., Connor, K., Jermyn, I., & Etchells, J. (2020). Versatile method for quantifying and analyzing morphological differences in experimentally obtained images. Plant Signaling & Behavior, 15(1), Article 1693092. https://doi.org/10.1080/15592324.2019.1693092

Analyzing high-resolution images to gain insight into anatomical properties is an essential tool for investigation in many scientific fields. In plant biology, studying plant phenotypes from micrographs is often used to build hypotheses on gene funct... Read More about Versatile method for quantifying and analyzing morphological differences in experimentally obtained images.

Organ-specific genetic interactions between paralogues of the PXY and ER receptor kinases enforce radial patterning in Arabidopsis vascular tissue (2019)
Journal Article
Wang, N., Bagdassarian, K., Doherty, R., Kroon, J., Connor, K., Wang, X., Wang, W., Jermyn, I., Turner, S., & Etchells, J. (2019). Organ-specific genetic interactions between paralogues of the PXY and ER receptor kinases enforce radial patterning in Arabidopsis vascular tissue. Development, 146(10), Article 177105. https://doi.org/10.1242/dev.177105

In plants, cells do not migrate. Tissues are frequently arranged in concentric rings, thus expansion of inner layers is coordinated with cell division and/or expansion of cells in outer layers. In Arabidopsis stems, receptor kinases, PXY and ER, gene... Read More about Organ-specific genetic interactions between paralogues of the PXY and ER receptor kinases enforce radial patterning in Arabidopsis vascular tissue.

An essential role for Abscisic acid in the regulation of xylem fibre differentiation (2018)
Journal Article
Campbell, L., Etchells, J., Cooper, M., Kumar, M., & Turner, S. (2018). An essential role for Abscisic acid in the regulation of xylem fibre differentiation. Development, 145, Article dev.161992. https://doi.org/10.1242/dev.161992

Division of the cambial cells and their subsequent differentiation into xylem and phloem drives radial expansion of the hypocotyl. Following the transition to reproductive growth, a phase change occurs in the Arabidopsis hypocotyl. During this second... Read More about An essential role for Abscisic acid in the regulation of xylem fibre differentiation.

Paralogues of the PXY and ER receptor kinases enforce radial patterning in plant vascular tissue (2018)
Journal Article
Wang, N., Bagdassarian, K. S., Doherty, R. E., Wang, X. Y., Kroon, J. T., Wang, W., Jermyn, I. H., Turner, S. R., & Etchells, J. P. Paralogues of the PXY and ER receptor kinases enforce radial patterning in plant vascular tissue. https://doi.org/10.1101/357244. Manuscript submitted for publication

Plant cell walls do not allow cells to migrate, thus plant growth and development is entirely the consequence of changes to cell division and cell elongation. Where tissues are arranged in concentric rings, expansion of inner tissue, such as that whi... Read More about Paralogues of the PXY and ER receptor kinases enforce radial patterning in plant vascular tissue.

DNA methylation and gene expression regulation associated with vascularization in Sorghum bicolor (2017)
Journal Article
Turco, G., Kajala, K., Kunde-Ramamoorthy, G., Ngan, C., Olson, A., Deshphande, S., …Brady, S. (2017). DNA methylation and gene expression regulation associated with vascularization in Sorghum bicolor. New Phytologist, 214(3), 1213-1229. https://doi.org/10.1111/nph.14448

Plant secondary cell walls constitute the majority of plant biomass. They are predominantly found in xylem cells, which are derived from vascular initials during vascularization. Little is known about these processes in grass species despite their em... Read More about DNA methylation and gene expression regulation associated with vascularization in Sorghum bicolor.

Identification of cyst nematode B-type CLE peptides and modulation of the vascular stem cell pathway for feeding cell formation (2017)
Journal Article
Guo, X., Wang, J., Gardner, M., Fukuda, H., Kondo, Y., Etchells, J., …Goellner Mitchum, M. (2017). Identification of cyst nematode B-type CLE peptides and modulation of the vascular stem cell pathway for feeding cell formation. PLoS Pathogens, 13(2), Article e1006142. https://doi.org/10.1371/journal.ppat.1006142

Stem cell pools in the SAM (shoot apical meristem), RAM (root apical meristem) and vascular procambium/cambium are regulated by CLE-receptor kinase-WOX signaling modules. Previous data showed that cyst nematode CLE-like effector proteins delivered in... Read More about Identification of cyst nematode B-type CLE peptides and modulation of the vascular stem cell pathway for feeding cell formation.

Realizing pipe dreams – a detailed picture of vascular development (2016)
Journal Article
Etchells, J., & Turner, S. (2016). Realizing pipe dreams – a detailed picture of vascular development. Journal of Experimental Botany, 68(1), 1-4. https://doi.org/10.1093/jxb/erw482

This special issue of Journal of Experimental Botany focuses on the developmental mechanisms required to generate plant vascular tissue. The focus is Arabidopsis, including the three models for initial patterning involving the interaction of auxin an... Read More about Realizing pipe dreams – a detailed picture of vascular development.

Class III HD-ZIPs govern vascular cell fate: an HD view on patterning and differentiation (2016)
Journal Article
Ramachandran, P., Carlsbecker, A., & Etchells, J. (2017). Class III HD-ZIPs govern vascular cell fate: an HD view on patterning and differentiation. Journal of Experimental Botany, 68(1), 55-69. https://doi.org/10.1093/jxb/erw370

Plant vasculature is required for the transport of water and solutes throughout the plant body. It is constituted of xylem, specialized for transport of water, and phloem, that transports photosynthates. These two differentiated tissues are specified... Read More about Class III HD-ZIPs govern vascular cell fate: an HD view on patterning and differentiation.

Generation of biomass (2016)
Patent
Turner, S., Mishra, L., Kumar, M., & Etchells, J. (2016). Generation of biomass

A brief history of the TDIF-PXY signalling module: balancing meristem identity and differentiation during vascular development (2015)
Journal Article
Etchells, J. P., Smit, M. E., Gaudinier, A., Williams, C. J., & Brady, S. M. (2016). A brief history of the TDIF-PXY signalling module: balancing meristem identity and differentiation during vascular development. New Phytologist, 209(2), 474-484. https://doi.org/10.1111/nph.13642

A significant proportion of terrestrial biomass is constituted of xylem cells that make up woody plant tissue. Xylem is required for water transport, and is present in the vascular tissue with a second conductive tissue, phloem, required primarily fo... Read More about A brief history of the TDIF-PXY signalling module: balancing meristem identity and differentiation during vascular development.

Wood Formation in Trees Is Increased by Manipulating PXY-Regulated Cell Division (2015)
Journal Article
Etchells, J. P., Mishra, L. S., Kumar, M., Campbell, L., & Turner, S. R. (2015). Wood Formation in Trees Is Increased by Manipulating PXY-Regulated Cell Division. Current Biology, 25(8), 1050-1055. https://doi.org/10.1016/j.cub.2015.02.023

The woody tissue of trees is composed of xylem cells that arise from divisions of stem cells within the cambial meristem. The rate of xylem cell formation is dependent upon the rate of cell division within the cambium and is controlled by both geneti... Read More about Wood Formation in Trees Is Increased by Manipulating PXY-Regulated Cell Division.