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Asymmetric Cell Division: A Persistent Issue?

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1 Asymmetric Cell Division: A Persistent Issue?
Christopher D. Aakre, Michael T. Laub  Developmental Cell  Volume 22, Issue 2, Pages (February 2012) DOI: /j.devcel Copyright © 2012 Elsevier Inc. Terms and Conditions

2 Figure 1 Asymmetric Cell Division in Bacteria
(A) All cell divisions in rod-shaped bacteria are asymmetric, in that one daughter cell inherits the “new” pole (green) from a previous division and the other inherits the “old” pole (red). In some bacteria, this asymmetry is used to create functional specialization of daughter cells. (B) In C. crescentus, different polar appendages form at the new and old poles, leading to dimorphic daughter cells. (C) In Mycobacterium, cells preferentially grow at the old pole (marked with an arrow). Daughter cells that inherit the old pole, called accelerators, continue growing whereas those inheriting the new pole, called alternators, must form a new growth pole before elongating. Developmental Cell  , DOI: ( /j.devcel ) Copyright © 2012 Elsevier Inc. Terms and Conditions

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