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Cytoskeleton and Plant Cytokinesis

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Plant Sciences".

Deadline for manuscript submissions: closed (31 July 2019) | Viewed by 6583

Special Issue Editors

Department of Botany, School of Biology, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
Interests: plant cell biology; cytoskeleton; microtubules; F-actin; cell division; mitosis; cytokinesis; cell wall; morphogenesis; development
Special Issues, Collections and Topics in MDPI journals
Section of Botany, Department of Biology, School of Science, National and Kapodistrian University of Athens, Athens, Greece
Interests: abiotic/biotic stress effects on plants; plant cell biology; phytomorphogenesis; plant biomass utilization; innovative ecological quality monitoring systems
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Cytokinesis in higher plant cells proceeds in a complex order of events, in order to achieve the proper building of the new cell wall between two parent cells. Division site establishment and cell plate centrifuge expansion are orchestrated by a plethora of cellular parameters. The creation of the new cell wall is guided by a dynamic cytoskeletal array, the phragmoplast, the expansion of which includes the coordination of cytoskeletal turnover, vesicle fusion, and plasma membrane formation. The above events have attracted the attention of several plant scientists over the years. Especially in the current century, breakthrough discoveries about phragmoplast recruitment and function, division plane prediction, and cell plate composition, development, and maturation have answered previously tantalizing questions.

This Special Issue intends to gather together the most important leading-edge updates in relevant fields, including structural, genetic, biochemical, and molecular approaches. Topics may focus on—but are not limited to—cytoskeletal phragmoplast dynamics, membrane flow and recycling, preprophase band function, and cell plate guidance. Cytokinesis in meristematic as well as vacuolated cells is of interest. Comparative and evolutionarily oriented studies on lower plant species are also welcome.

Dr. Emmanuel Panteris
Dr. Ioannis-Dimosthenis Adamakis
Guest Editors

Manuscript Submission Information

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Keywords

  • Cytokinesis
  • Microtubules
  • F-actin
  • Endoplasmic reticulum
  • Golgi apparatus
  • Preprophase band
  • Division plane
  • Phragmoplast
  • Phragmosome
  • Cell plate
  • Plasma membrane

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Published Papers (2 papers)

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14 pages, 16801 KiB  
Article
De-Esterified Homogalacturonan Enrichment of the Cell Wall Region Adjoining the Preprophase Cortical Cytoplasmic Zone in Some Protodermal Cell Types of Three Land Plants
by Eleni Giannoutsou, Basil Galatis and Panagiotis Apostolakos
Int. J. Mol. Sci. 2020, 21(1), 81; https://doi.org/10.3390/ijms21010081 - 20 Dec 2019
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Abstract
The distribution of highly de-esterified homogalacturonans (HGs) in dividing protodermal cells of the monocotyledon Zea mays, the dicotyledon Vigna sinensis, and the fern Asplenium nidus was investigated in order to examine whether the cell wall region adjoining the preprophase band (PPB) [...] Read more.
The distribution of highly de-esterified homogalacturonans (HGs) in dividing protodermal cells of the monocotyledon Zea mays, the dicotyledon Vigna sinensis, and the fern Asplenium nidus was investigated in order to examine whether the cell wall region adjoining the preprophase band (PPB) is locally diversified. Application of immunofluorescence revealed that de-esterified HGs were accumulated selectively in the cell wall adjacent to the PPB in: (a) symmetrically dividing cells of stomatal rows of Z. mays, (b) the asymmetrically dividing protodermal cells of Z. mays, (c) the symmetrically dividing guard cell mother cells (GMCs) of Z. mays and V. sinensis, and (d) the symmetrically dividing protodermal cells of A. nidus. A common feature of the above cell types is that the cell division plane is defined by extrinsic cues. The presented data suggest that the PPB cortical zone-plasmalemma and the adjacent cell wall region function in a coordinated fashion in the determination/accomplishment of the cell division plane, behaving as a continuum. The de-esterified HGs, among other possible functions, might be involved in the perception and the transduction of the extrinsic cues determining cell division plane in the examined cells. Full article
(This article belongs to the Special Issue Cytoskeleton and Plant Cytokinesis)
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Review

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12 pages, 1185 KiB  
Review
Plant Kinesin-12: Localization Heterogeneity and Functional Implications
by Sabine Müller and Pantelis Livanos
Int. J. Mol. Sci. 2019, 20(17), 4213; https://doi.org/10.3390/ijms20174213 - 28 Aug 2019
Cited by 12 | Viewed by 3691
Abstract
Kinesin-12 family members are characterized by an N-terminal motor domain and the extensive presence of coiled-coil domains. Animal orthologs display microtubule plus-end directed motility, bundling of parallel and antiparallel microtubules, plus-end stabilization, and they play a crucial role in spindle assembly. In plants, [...] Read more.
Kinesin-12 family members are characterized by an N-terminal motor domain and the extensive presence of coiled-coil domains. Animal orthologs display microtubule plus-end directed motility, bundling of parallel and antiparallel microtubules, plus-end stabilization, and they play a crucial role in spindle assembly. In plants, kinesin-12 members mediate a number of developmental processes including male gametophyte, embryo, seedling, and seed development. At the cellular level, they participate in critical events during cell division. Several kinesin-12 members localize to the phragmoplast midzone, interact with isoforms of the conserved microtubule cross-linker MICROTUBULE-ASSOCIATED PROTEIN 65 (MAP65) family, and are required for phragmoplast stability and expansion, as well as for proper cell plate development. Throughout cell division, a subset of kinesin-12 reside, in addition or exclusively, at the cortical division zone and mediate the accurate guidance of the phragmoplast. This review aims to summarize the current knowledge on kinesin-12 in plants and shed some light onto the heterogeneous localization and domain architecture, which potentially conceals functional diversification. Full article
(This article belongs to the Special Issue Cytoskeleton and Plant Cytokinesis)
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