Review Article

The Poplar-Poplar Rust Interaction: Insights from Genomics and Transcriptomics

Table 1

Summary of genome-wide studies conducted on disease-related gene families in poplar.

Gene family analyzedReferencesImplication in plant defense reactionsReferences

NB-LRR (nucleotide-binding leucin-rich repeat)Kohler et al. [19]Gene-for-gene resistance mechanisms, host-specific resistance (R proteins)Jones and Dangl [20]
BED-NB-LRR
(BED family of poplar NB-LRR)
Kohler et al. [19]
Germain and Séguin [24]
BED domain is a zinc-finger DNA-binding domainMarkljung et al. [64]
TLPs or PR5 (thaumatin-like proteins)Petre et al. [27]Antimicrobial and glycan-degrading activitiesLiu et al. [65]
Phenylpropanoid metabolism
(secondary metabolism)
Tsai et al. [66]
Hamberger et al. [67]
Phytoalexin synthesis and cell wall reinforcement upon pathogen attackBednarek and Osbourn [68]
CAD
(cinnamyl alcohol dehydrogenase)
Barakat et al. [69]Lignin biosynthesis, cell wall reinforcement upon pathogen attackTronchet et al. [70]
YUCCA (auxin biosynthesis) Ye et al. [71] Auxin can promote virulence during biotrophic infectionGrant and Jones [72]
ARF and Aux/IAA
(auxin-response transcription factor)
Kalluri et al. [73]Auxin can promote virulence during biotrophic infectionGrant and Jones [72]
AP2/ERF (Ethylene-response transcription factors)Zhuang et al. [74]Regulation of disease resistance pathwaysGutterson and Reuber [75]
R2R3MYB
(transcription factors)
Wilkins et al. [76]Regulation of secondary metabolism (in Response to pathogen attack)Mellway et al. [77]
LysM kinase
(signal transduction)
Zhang et al. [78]Chitin signaling and fungal resistanceWan et al. [79]
PLD
(phospholipase D)
Liu et al. [80]Secondary messenger release upon pathogen attackWang [81]
Protease
(protein degradation)
Garcia-Lorenzo et al. [82](Pathogen) protein degradation, regulation of plant cell deathSolomon et al. [83]
F-box
(selective degradation of proteins)
Yang et al. [84]Pathogen effector targets for host manipulationBlock et al. [85]
Kunitz-trypsin inhibitors
(protease inhibition)
Major and Constabel [86]Inhibition of pathogen protease and pathogen-triggered cell deathLi et al. [87]
RBP
(RNA binding proteins)
Peal et al. [88]Pathogen effector targets for host manipulationFu et al. [89]
GST
(glutathione transferase)
Lan et al. [90]Xenobiotic detoxification and redox homeostasisDixon et al. [91]
Grx
(glutaredoxin)
Couturier et al. [92]Redox metabolism and homeostasis controlling oxidative burstRouhier et al. [93]