Hydrogen peroxide acts as a second messenger for the induction of defense genes in tomato plants in response to wounding, systemin, and methyl jasmonate

…, J Narváez-Vásquez, CA Ryan - The Plant …, 2001 - academic.oup.com
CA Ryan, unpublished results). To further investigate the subcellular location of H 2 O 2
generation and/or accumulation in the wounded leaves, we used a cerium perhydroxide (CeCl 3 …

Wound-induced proteinase inhibitor in plant leaves: a possible defense mechanism against insects

TR Green, CA Ryan - Science, 1972 - science.org
… TR GREEN, CA RYAN Department of Agricultural Chemistry, Washington State University, …
CA Ryan and L. K. Shumway, in Proceedings of the International Research Coniference on …

The systemin signaling pathway: differential activation of plant defensive genes

CA Ryan - Biochimica et Biophysica Acta (BBA)-Protein Structure …, 2000 - Elsevier
… Pearce, CA Ryan, unpublished), we have shown conclusively that Ala17-systemin has no
effect on the proteinase inhibitor inducing activity of either OGA or chitosan, and therefore …

Hydrogen peroxide is generated systemically in plant leaves by wounding and systemin via the octadecanoid pathway

M Orozco-Cardenas, CA Ryan - Proceedings of the …, 1999 - National Acad Sciences
Hydrogen peroxide (H 2 O 2 ) generated in response to wounding can be detected at wound
sites and in distal leaf veins within 1 hr after wounding. The response is systemic and …

Protease inhibitors in plants: genes for improving defenses against insects and pathogens

CA Ryan - Annual review of phytopathology, 1990 - annualreviews.org
… Brown, WE, Ryan, CA1 984. Isola tion and characterization of a wound induced trypsin …
Farmer, EE, Ryan, CA 1989. In vitro phosphorylation of plant plasma membrane proteins in …

Octadecanoid precursors of jasmonic acid activate the synthesis of wound-inducible proteinase inhibitors.

EE Farmer, CA Ryan - The Plant Cell, 1992 - academic.oup.com
… The identity of these compounds is under investigation (EE Farmer and CA Ryan,
unpublished data). y-Linolenic acid was shown to be essentially inactive over a wide range of …

Oligogalacturonides and chitosan activate plant defensive genes through the octadecanoid pathway.

…, T Syrovets, EW Weiler, CA Ryan - Proceedings of the …, 1995 - National Acad Sciences
Jasmonic acid, synthesized from linolenic acid (the octadecanoid pathway), has been
proposed to be part of a signal transduction pathway that mediates the induction of defensive …

A polypeptide from tomato leaves induces wound-inducible proteinase inhibitor proteins

G Pearce, D Strydom, S Johnson, CA Ryan - Science, 1991 - science.org
Wound-Inducible Proteinase Inhibitor Proteins Page 1 much by a dear determination of which
populations are not affected as which ones are. Our data support previous admonitions …

An octadecanoid pathway mutant (JL5) of tomato is compromised in signaling for defense against insect attack.

GA Howe, J Lightner, J Browse, CA Ryan - The Plant Cell, 1996 - academic.oup.com
… Although the failure of deft plants to accumulate serine, aspartic acid, and cysteine proteinase
inhibitors (Figures 1 to 3; GA Howe and CA Ryan, unpublished results) is likely to account …

Polypeptide signaling for plant defensive genes exhibits analogies to defense signaling in animals.

DR Bergey, GA Howe, CA Ryan - Proceedings of the …, 1996 - National Acad Sciences
The activation of plant defensive genes in leaves of tomato plants in response to herbivore
damage or mechanical wounding is mediated by a mobile 18-amino acid polypeptide signal …