PMID: 11607078May 1, 1990Paper

Corn metabolites affect growth and virulence of Agrobacterium tumefaciens

Proceedings of the National Academy of Sciences of the United States of America
S V SahiW S Chilton

Abstract

Homogenates of corn seedlings inhibit both growth of Agrobacterium tumefaciens and induction of its Ti plasmid virulence (vir) genes by acetosyringone (AS). The heat-labile inhibitor has been identified as 2,4-dihydroxy-7-methoxy-2H-1,4-benzoxazin-3(4H)-one (DIMBOA), present in 2-week-old seedlings (B73) at a concentration of 1.5 mM or greater. A concentration of 0.3 mM DIMBOA is sufficient to block growth of A. tumefaciens completely for 220 hr. DIMBOA at 0.1 mM concentration completely inhibited vir gene induction by 100 microM AS and reduced growth rate by 50%. Thus, DIMBOA can be expected to have a significant effect on attempts to transform corn by using A. tumefaciens as a vector.

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Citations

May 1, 1992·Plant Molecular Biology·P J Hooykaas, R A Schilperoort
Oct 1, 1995·Plant Molecular Biology·K VijayachandraK Veluthambi
Jul 1, 1996·World Journal of Microbiology & Biotechnology·K Weising, G Kahl
Aug 21, 2003·Trends in Plant Science·Matthew A Escobar, Abhaya M Dandekar
Mar 16, 2006·Proceedings of the National Academy of Sciences of the United States of America·Pu Liu, Eugene W Nester
Dec 16, 1997·Proceedings of the National Academy of Sciences of the United States of America·D MelansonW S Chilton
May 13, 2008·Phytochemistry·Anne Vinther MorantSøren Bak
Dec 24, 2009·Physiologia Plantarum·Pranab Kishor MohapatraBasanti Biswal
Jul 30, 2014·Frontiers in Plant Science·Sujatha SubramoniZe-Chun Yuan
Aug 1, 2009·Natural Product Reports·Francisco A MacíasJosé M G Molinillo
Jun 22, 2019·Annual Review of Phytopathology·Benoît Lacroix, Vitaly Citovsky
Aug 9, 2020·Frontiers in Plant Science·Stephanie LiuB Daniel Pierce
Feb 10, 2009·Journal of Agricultural and Food Chemistry·Hermann M Niemeyer
Mar 1, 1992·Microbiological Reviews·S C Winans
Sep 19, 2014·Journal of Agricultural and Food Chemistry·Francisco A MacíasJosé M G Molinillo

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