TY - JOUR
T1 - Increased tolerance to two oomycete pathogens in transgenic tobacco expressing pathogenesis-related protein 1a
AU - Alexander, Danny
AU - Goodman, Robert M.
AU - Gut-Rella, Manuela
AU - Glascock, Christopher
AU - Weymann, Kristianna
AU - Friedrich, Leslie
AU - Maddox, Daryl
AU - Ahl-Goy, Patricia
AU - Luntz, Tom
AU - Ward, Eric
AU - Ryals, John
PY - 1993/8/1
Y1 - 1993/8/1
N2 - Expression of pathogenesis-related protein 1a (PR-1a), a protein of unknown biochemical function, is induced to high levels in tobacco in response to pathogen infection. The induction of PR-1a expression is tightly correlated with the onset of systemic acquired resistance (SAR), a defense response effective against a variety of fungal, viral, and bacterial pathogens. While PR-1a has been postulated to be involved in SAR, and is the most highly expressed of the PR proteins, evidence for its role is lacking. In this report, we demonstrate that constitutive high-level expression of PR-1a in transgenic tobacco results in tolerance to infection by two oomycete pathogens, Peronospora tabacina and Phytophthora parasitica var. nicotianae.
AB - Expression of pathogenesis-related protein 1a (PR-1a), a protein of unknown biochemical function, is induced to high levels in tobacco in response to pathogen infection. The induction of PR-1a expression is tightly correlated with the onset of systemic acquired resistance (SAR), a defense response effective against a variety of fungal, viral, and bacterial pathogens. While PR-1a has been postulated to be involved in SAR, and is the most highly expressed of the PR proteins, evidence for its role is lacking. In this report, we demonstrate that constitutive high-level expression of PR-1a in transgenic tobacco results in tolerance to infection by two oomycete pathogens, Peronospora tabacina and Phytophthora parasitica var. nicotianae.
KW - Black shank disease
KW - Blue mold disease
KW - Peronospora tabacina
KW - Phytophthora parasitica
KW - Systemic acquired resistance
UR - http://www.scopus.com/inward/record.url?scp=0027219724&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=0027219724&partnerID=8YFLogxK
M3 - Article
C2 - 8346252
AN - SCOPUS:0027219724
SN - 0027-8424
VL - 90
SP - 7327
EP - 7331
JO - Proceedings of the National Academy of Sciences of the United States of America
JF - Proceedings of the National Academy of Sciences of the United States of America
IS - 15
ER -