astral microtubule | definition

  • in cell division, any of the microtubules from centrosome which are not connected to a kinetochore of a chromosome
By Lordjuppiter – Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=17690038

Source:

Alberts, B., Johnson, A., Lewis, J., Morgan, D., Raf, M., Roberts, K., & Walter, P. (2015). Molecular Biology of the Cell. New York: Garland Science. http://www.garlandscience.com/

Advertisements
Advertisements

Related Research

Research Article: Long Astral Microtubules and RACK-1 Stabilize Polarity Domains during Maintenance Phase in Caenorhabditis elegans Embryos

Date Published: April 20, 2011 Publisher: Public Library of Science Author(s): Erkang Ai, Daniel S. Poole, Ahna R. Skop, Michael Klymkowsky. http://doi.org/10.1371/journal.pone.0019020 Abstract: Cell polarity is a very well conserved process important for cell differentiation, cell migration, and embryonic development. After the establishment of distinct cortical domains, polarity cues have to be stabilized and maintained within … Continue reading

Research Article: Astral Microtubule Pivoting Promotes Their Search for Cortical Anchor Sites during Mitosis in Budding Yeast

Date Published: April 10, 2014 Publisher: Public Library of Science Author(s): Stephan Baumgärtner, Iva M. Tolić, Attila Csikász-Nagy. http://doi.org/10.1371/journal.pone.0093781 Abstract: Positioning of the mitotic spindle is crucial for proper cell division. In the budding yeast Saccharomyces cerevisiae, two mechanisms contribute to spindle positioning. In the Kar9 pathway, astral microtubules emanating from the daughter-bound spindle pole … Continue reading

Research Article: Equilibria of Idealized Confined Astral Microtubules and Coupled Spindle Poles

Date Published: June 14, 2012 Publisher: Public Library of Science Author(s): Ivan V. Maly, Daniela Cimini. http://doi.org/10.1371/journal.pone.0038921 Abstract: Positioning of the mitotic spindle through the interaction of astral microtubules with the cell boundary often determines whether the cell division will be symmetric or asymmetric. This process plays a crucial role in development. In this paper, a … Continue reading

Research Article: The Chromosomal Passenger Protein Birc5b Organizes Microfilaments and Germ Plasm in the Zebrafish Embryo

Date Published: April 18, 2013 Publisher: Public Library of Science Author(s): Sreelaja Nair, Florence Marlow, Elliott Abrams, Lee Kapp, Mary C. Mullins, Francisco Pelegri, Elizabeth R. Gavis Abstract: Microtubule-microfilament interactions are important for cytokinesis and subcellular localization of proteins and mRNAs. In the early zebrafish embryo, astral microtubule-microfilament interactions also facilitate a stereotypic segregation pattern … Continue reading

Research Article: Membrane Invaginations Reveal Cortical Sites that Pull on Mitotic Spindles in One-Cell C. elegans Embryos

Date Published: August 20, 2010 Publisher: Public Library of Science Author(s): Stefanie Redemann, Jacques Pecreaux, Nathan W. Goehring, Khaled Khairy, Ernst H. K. Stelzer, Anthony A. Hyman, Jonathon Howard, Daniela Cimini. http://doi.org/10.1371/journal.pone.0012301 Abstract: Asymmetric positioning of the mitotic spindle in C. elegans embryos is mediated by force-generating complexes that are anchored at the plasma membrane and … Continue reading