Cell wall biosynthesis and the molecular mechanism of plant enlargement

Functional Plant Biology : FPB
John S Boyer

Abstract

Recently discovered reactions allow the green alga Chara corallina (Klien ex. Willd., em. R.D.W.) to grow well without the benefit of xyloglucan or rhamnogalactan II in its cell wall. Growth rates are controlled by polygalacturonic acid (pectate) bound with calcium in the primary wall, and the reactions remove calcium from these bonds when new pectate is supplied. The removal appears to occur preferentially in bonds distorted by wall tension produced by the turgor pressure (P). The loss of calcium accelerates irreversible wall extension if P is above a critical level. The new pectate (now calcium pectate) then binds to the wall and decelerates wall extension, depositing new wall material on and within the old wall. Together, these reactions create a non-enzymatic but stoichiometric link between wall growth and wall deposition. In green plants, pectate is one of the most conserved components of the primary wall, and it is therefore proposed that the acceleration-deceleration-wall deposition reactions are of wide occurrence likely to underlie growth in virtually all green plants. C. corallina is one of the closest relatives of the progenitors of terrestrial plants, and this review focuses on the pectate reactions and how they may...Continue Reading

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Citations

Mar 24, 2012·Journal of Experimental Botany·Timothy E Proseus, John S Boyer
Aug 6, 2013·Journal of Experimental Botany·Tobias I Baskin, Oliver E Jensen
Jul 26, 2016·Frontiers in Plant Science·John S Boyer
Sep 14, 2017·Journal of Biological Physics·Marcin Lipowczan, Mariusz Pietruszka
Jun 28, 2019·Frontiers in Plant Science·Antoine FruleuxArezki Boudaoud
Jul 16, 2020·Antioxidants·Atefeh FarvardinBegonya Vicedo
Mar 5, 2013·Annual Review of Plant Biology·Caleb M Rounds, Magdalena Bezanilla
Apr 10, 2010·Journal of Integrative Plant Biology·Peter K Hepler, Lawrence J Winship
Aug 6, 2013·Journal of Experimental Botany·Gabriele B Monshausen, Elizabeth S Haswell
Aug 25, 2012·Plant Signaling & Behavior·Timothy E Proseus, John S Boyer
Sep 10, 2013·Journal of Experimental Botany·Jacques Dumais
Sep 17, 2013·The New Phytologist·Luke BraidwoodKeiko Sugimoto
Dec 4, 2014·Annals of Botany·Timothy J FlowersTimothy D Colmer
May 16, 2012·Journal of Theoretical Biology·R J DysonO E Jensen
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Aug 27, 2010·Plant Physiology·Joseph K E Ortega
Jun 19, 2010·Chemical Reviews·Noel FerroThomas Reinard
May 21, 2010·Trends in Plant Science·Lawrence J WinshipPeter K Hepler

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