Literature DB >> 16663580

Helminthosporium maydis T Toxin Increased Membrane Permeability to Ca in Susceptible Corn Mitochondria.

M J Holden1, H Sze.   

Abstract

Though Helminthosporium maydis race T (HmT) toxin decreased active Ca(2+) uptake into mitochondria isolated from susceptible (T) but not resistant (N) corn (Kimber, Sze, 1984 Plant Physiol 74: 804-809 the mode of toxin action is not understood. This study shows that HmT toxin or A23187 (a Ca(2+) ionophore) dissipated a Ca(2+) gradient in T mitochondria. However, HmT toxin had no effect on Ca(2+) gradients in N mitochondria or microsomal vesicles from T or N corn. The results suggest that HmT toxin increased membrane permeability to Ca(2+) in mitochondria of T corn specifically.

Entities:  

Year:  1984        PMID： 16663580      PMCID： PMC1066870          DOI： 10.1104/pp.75.1.235

Source DB:  PubMed          Journal:  Plant Physiol        ISSN： 0032-0889            Impact factor:   8.340


  9 in total

1.  Southern corn leaf blight: susceptible and resistant mitochondria.

Authors:  R J Miller; D E Koeppe
Journal:  Science       Date:  1971-07-02       Impact factor: 47.728

2.  A rapid and sensitive method for the quantitation of microgram quantities of protein utilizing the principle of protein-dye binding.

Authors:  M M Bradford
Journal:  Anal Biochem       Date:  1976-05-07       Impact factor: 3.365

Review 3.  The Ninth Sir Hans Krebs Lecture. Compartmentation and communication in living systems. Ligand conduction: a general catalytic principle in chemical, osmotic and chemiosmotic reaction systems.

Authors:  P Mitchell
Journal:  Eur J Biochem       Date:  1979-03-15

Review 4.  Mitochondrial calcium transport.

Authors:  D Nicholls; K Akerman
Journal:  Biochim Biophys Acta       Date:  1982-09-01

5.  Nigericin-stimulated ATPase activity in microsomal vesicles of tobacco callus.

Authors:  H Sze
Journal:  Proc Natl Acad Sci U S A       Date:  1980-10       Impact factor: 11.205

6.  A Comparison of Purified Host Specific Toxin from Helminthosporium maydis, Race T, and Its Acetate Derivative on Oxidation by Mitochondria from Susceptible and Resistant Plants.

Authors:  G Payne; Y Kono; J M Daly
Journal:  Plant Physiol       Date:  1980-05       Impact factor: 8.340

7.  Helminthosporium maydis T Toxin Decreased Calcium Transport into Mitochondria of Susceptible Corn.

Authors:  A Kimber; H Sze
Journal:  Plant Physiol       Date:  1984-04       Impact factor: 8.340

8.  Reversible Effects of Toxin from Helminthosporium maydis Race T on Oxidative Phosphorylation by Mitochondria from Maize.

Authors:  M A Bednarski; S Izawa; R P Scheffer
Journal:  Plant Physiol       Date:  1977-04       Impact factor: 8.340

9.  Phosphate dependent, ruthenium red insensitive CA2+ uptake in mung bean mitochondria.

Authors:  K E Akerman; A L Moore
Journal:  Biochem Biophys Res Commun       Date:  1983-08-12       Impact factor: 3.575
  9 in total
  16 in total

Review 1.  Molecular basis of disease susceptibility in the Texas cytoplasm of maize.

Authors:  C S Levings; J N Siedow
Journal:  Plant Mol Biol       Date:  1992-05       Impact factor: 4.076

2.  A mitochondrial protein associated with cytoplasmic male sterility in the T cytoplasm of maize.

Authors:  R E Dewey; D H Timothy; C S Levings
Journal:  Proc Natl Acad Sci U S A       Date:  1987-08       Impact factor: 11.205

3.  The binding of host-selective toxin analogs to mitochondria from normal and ;texas' male sterile cytoplasm maize.

Authors:  K A Frantzen; J M Daly; H W Knoche
Journal:  Plant Physiol       Date:  1987-04       Impact factor: 8.340

4.  Mode of Methomyl and Bipolaris maydis (race T) Toxin in Uncoupling Texas Male-Sterile Cytoplasm Corn Mitochondria.

Authors:  R R Klein; D E Koeppe
Journal:  Plant Physiol       Date:  1985-04       Impact factor: 8.340

5.  Asymmetrical distribution of cardiolipin in yeast inner mitochondrial membrane triggered by carbon catabolite repression.

Authors:  P F Gallet; J M Petit; A Maftah; A Zachowski; R Julien
Journal:  Biochem J       Date:  1997-06-01       Impact factor: 3.857

6.  On the reported channel-forming activity of HmT toxin.

Authors:  M J Holden; M Colombini
Journal:  J Membr Biol       Date:  1988-07       Impact factor: 1.843

7.  Effects of Helminthosporium maydis Race T Toxin on Electron Transport in Susceptible Corn Mitochondria and Prevention of Toxin Actions by Dicyclohexylcarbodiimide.

Authors:  M J Holden; H Sze
Journal:  Plant Physiol       Date:  1989-12       Impact factor: 8.340

8.  N,N'-dicyclohexylcarbodiimide cross-linking suggests a central core of helices II in oligomers of URF13, the pore-forming T-toxin receptor of cms-T maize mitochondria.

Authors:  D M Rhoads; C I Kaspi; C S Levings; J N Siedow
Journal:  Proc Natl Acad Sci U S A       Date:  1994-08-16       Impact factor: 11.205

9.  Mutations in the maize mitochondrial T-urf13 gene eliminate sensitivity to a fungal pathotoxin.

Authors:  C J Braun; J N Siedow; M E Williams; C S Levings
Journal:  Proc Natl Acad Sci U S A       Date:  1989-06       Impact factor: 11.205

10.  Transfer of methomyl and HmT-toxin sensitivity from T-cytoplasm maize to tobacco.

Authors:  J M von Allmen; W H Rottmann; B G Gengenbach; A J Harvey; D M Lonsdale
Journal:  Mol Gen Genet       Date:  1991-10
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