Table 1.

Transcriptomic studies dealing with biotic stress responses in Malus x domestica used for meta-analysis.

Article	Objective	Pathogen Species	Pathogen	Tissue	Sample Information			Group
					Total	Up	Down
Gusberti, M. et al.14	Resistance to Venturia	Venturia inaequalis	Fungi	Leaf	212	112	100	Fungal Pathogen
Yin, Z. Y. et al.1	Resistance to Valsa mali	Valsa mali	Fungi	Twig	29	14	15
Xu, J. H. et al.15	Response to Marssonina coronaria inoculation	Marssoninacoronaria	Fungi	Leaf	90	58	32
Zhu, L. M. et al.2	Response to Alternaria alternata	Alternaria alternate	Fungi	Leaf	3854	2108	1746
Shin, S. B. et al.3	Response to Pythium ultimum	Pythium ultimum	Fungi	Root	82	63	19
Chen, S. Y. et al.5	Apple stem grooving virus	Apple stem grooving virus	Virus	Shoot	320	184	136	ASGV
Kamber, T. et al.4	Responses to Erwinia amylovora	Erwinia amylovora	Bacteria	Flower	823	640	183	E. amylovora

Number of up-regulated and down-regulated genes were indicated for each studies.