TY - JOUR
T1 - Quantitative Resistance to Biotrophic Filamentous Plant Pathogens
T2 - Concepts, Misconceptions, and Mechanisms
AU - Niks, R.E.
AU - Qi, Xiaoquan
AU - Marcel, T.C.
PY - 2015
Y1 - 2015
N2 - Quantitative resistance (QR) refers to a resistance that is phenotypically incomplete and is based on the joined effect of several genes, each contributing quantitatively to the level of plant defense. Often, QR remains durably effective, which is the primary driver behind the interest in it. The various terms that are used to refer to QR, such as field resistance, adult plant resistance, and basal resistance, reflect the many properties attributed to it. In this article, we discuss aspects connected to those attributions, in particular the hypothesis that much of the QR to biotrophic filamentous pathogens is basal resistance, i.e., poor suppression of PAMP-triggered defense by effectors. We discuss what role effectors play in suppressing defense or improving access to nutrients. Based on the functions of the few plant proteins identified as involved in QR, vesicle trafficking and protein/metabolite transportation are likely to be common physiological processes relevant to QR.
AB - Quantitative resistance (QR) refers to a resistance that is phenotypically incomplete and is based on the joined effect of several genes, each contributing quantitatively to the level of plant defense. Often, QR remains durably effective, which is the primary driver behind the interest in it. The various terms that are used to refer to QR, such as field resistance, adult plant resistance, and basal resistance, reflect the many properties attributed to it. In this article, we discuss aspects connected to those attributions, in particular the hypothesis that much of the QR to biotrophic filamentous pathogens is basal resistance, i.e., poor suppression of PAMP-triggered defense by effectors. We discuss what role effectors play in suppressing defense or improving access to nutrients. Based on the functions of the few plant proteins identified as involved in QR, vesicle trafficking and protein/metabolite transportation are likely to be common physiological processes relevant to QR.
KW - Basal resistance
KW - Durability
KW - Effector targets
KW - Mechanisms
KW - Partial resistance
U2 - 10.1146/annurev-phyto-080614-115928
DO - 10.1146/annurev-phyto-080614-115928
M3 - Article
AN - SCOPUS:84938692800
SN - 0066-4286
VL - 53
SP - 445
EP - 470
JO - Annual Review of Phytopathology
JF - Annual Review of Phytopathology
ER -