PMID: 11917079Mar 28, 2002Paper

Occurrence and localization of apocarotenoids in arbuscular mycorrhizal plant roots

Plant & Cell Physiology
Thomas FesterDieter Strack

Abstract

The core structure of the yellow pigment from arbuscular mycorrhizal (AM) maize roots contains the apocarotenoids mycorradicin (an acyclic C14 polyene) and blumenol C cellobioside (a C13 cyclohexenone diglucoside). The pigment seems to be a mixture of different esterification products of these apocarotenoids. It is insoluble in water and accumulates as hydrophobic droplets in the vacuoles of root cortical cells. Screening 58 species from 36 different plant families, we detected mycorradicin in mycorrhizal roots of all Liliopsida analyzed and of a considerable number of Rosopsida, but also species were found in which mycorradicin was undetectable in mycorrhizal roots. Kinetic experiments and microscopic analyses indicate that accumulation of the yellow pigment is correlated with the concomitant degradation of arbuscules and the extensive plastid network covering these haustorium-like fungal structures. The role of the apocarotenoids in mycorrhizal roots is still unknown. The potential C40 carotenoid precursors, however, are more likely to be of functional importance in the development and functioning of arbuscules.

Citations

Apr 17, 2010·Planta·Michael H WalterDieter Strack
Sep 28, 2006·Mycorrhiza·Raffaella Balestrini, Luisa Lanfranco
Jun 5, 2008·Biochemistry and Cell Biology = Biochimie Et Biologie Cellulaire·Shukui GuoMichèle C Loewen
Dec 7, 2014·Plant Science : an International Journal of Experimental Plant Biology·Juan A López-RáezMaría J Pozo
Mar 20, 2015·Protoplasma·Ricardo P Louro, Laura J M Santiago
Apr 4, 2008·Phytochemistry·Willibald SchliemannVictor Wray
Aug 21, 2007·Phytochemistry·Willibald SchliemannDieter Strack
Dec 21, 2006·Plant, Cell & Environment·Andrew J ThompsonIan B Taylor
Sep 2, 2006·The New Phytologist·Dieter Strack, Thomas Fester
May 4, 2013·The New Phytologist·Ghislaine RecorbetEliane Dumas-Gaudot
Oct 23, 2009·The Plant Journal : for Cell and Molecular Biology·Jonathan T VogelHarry J Klee
Jun 23, 2006·Phytochemistry·Willibald SchliemannDieter Strack
Sep 17, 2005·Archives of Biochemistry and Biophysics·Yue YangFeng Chen
Feb 26, 2015·Plant Science : an International Journal of Experimental Plant Biology·Michael H WalterAlain Tissier
Sep 2, 2009·Plant Signaling & Behavior·Daniela S Floss, Michael H Walter
Sep 16, 2014·Plant Science : an International Journal of Experimental Plant Biology·Xu WeiFrederick G Gmitter
Jun 28, 2016·Trends in Plant Science·Xin HouBarry J Pogson
Feb 16, 2011·Natural Product Reports·Michael H Walter, Dieter Strack
Dec 2, 2020·The Plant Journal : for Cell and Molecular Biology·Juan C MorenoSalim Al-Babili

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