Table 3. Evidence for the candidates to be involved in Powdery Mildew (PM) responses based on the gene function, literature, the observed effect, the expressional regulation after PM attack, and the results of the transient assays.

Candidate	Annotateda	Proposedb	Literature	Effectc	Regulationd	TIGSe	OXf
CG_1	Unknown	AGP	Liang et al. [83]	NEGATIVE	UP	NO	YES
			Wang et al. [84]
CG_2	DPMT subunit	DPMS3	Jadid et al. [85]	NEGATIVE	UP/DOWN	NO	NO
			Häweker et al. [86]
CG_3	BTB/POZ/Kelch-associated protein	LRB1/2	Qu et al. [87]	NEGATIVE	DOWN	NO	YES
			Christians et al. [88]
			Xie et al. [89]
CG_4	FEN 1-B	FEN 1-B	NO	NEGATIVE	DOWN	NO	NA

^a Annotated function: DPMT—dolichol-phosphate-mannosyl-transferase; BTB—Bric-a-Brac/-Tramtrack/-Broad Complex and POZ—POxvirus and Zinc-finger; FEN—flap endonuclease.

^b Proposed function based on potential Arabidopsis homologs: AGP–arabinogalactan protein; DPMS3 –dolichol-phosphate-mannose-synthase 3; LRB—light-response BTB.

^c Sign of the average difference in infected leaf area between resistant and susceptible alleles.

^d Transcript regulation in PM attacked barley epidermis peels.

^e Effect of transient silencing.

^f Effect of transient overexpression; NA–not analyzed.