Table 2.

Summary of recent reports supporting the role of HSP70 in biotic interactions

Host	Pathogen	Arabidopsis ortholog	Regulation	Reference
Arabidopsis thaliana	Phytophthora capsici	HSP70-4	↑	(1)
		HSP70-5	↑	(1)
	Pseudomonas syringae pv tomato	HSP70-2	↑	(2)
		HSP70-4	↑	(2)
Brassica rapa	Turnip mosaic virus	HSP70-4	↑	(3)
		HSP70-1	↑	(3)
Capsicum annum	Bemisia tabaci	HSP70-2	↑	(4)
		HSP70-1	↑	(4)
	Pepper golden mosaic virus	HSP70-4	↑	(5)
Castanea sativa	Phytophthora cinnamomi	HSP70-1	↑	(6)
		HSP70-4	↓	(6)
		HSP70-12	↑	(6)
		HSP70-10	↑↓	(6)
		HSP70-16	↑	(6)
Cicer arietinum	Fusarium oxysporum	HSP70-1	↑	(7)
Glycine max	Heterodera glycines	HSP70-2	↑	(8)
		HSP70-4	↑	(8)
Hordeum vulgare	Phytophthora palmivora	HSP70-4	↓	(9)
	Blumeria graminis	HSP70-4	↑	(10)
	Puccinia graminis	HSP70-1	↑	(11)
Malus domestica	Alternaria alternata	HSP70-4	↑↓	(12)
		HSP70-5	↑	(12)
Nicotiana benthamiana	Potato virus X	HSP70-12	↑	(13)
	Potato virus Y	HSP70-4	↑	(14)
	Tobacco mosaic virus	N/A	↑	(15)
Nicotiana tabacum	Potato virus Y	N/A	↑	(16)
Pennisetum glaucum	Puccinia substriata	HSP70-4	↓	(17)
Pisum sativum	Pea seed-borne mosaic virus	HSP70-3	↑	(18)
Quercus suber	Phytophthora cinnamomi	HSP70-11	↑	(19)
Saccharum spp.	Sporisorium scitamineum	HSP70-2	↓	(20)
Solanum lycopersicum	Fusarium oxysporum f. sp. radicis-lycopersici	HSP70-10	↑	(21)
	Phytophthora parasitica	HSP70-4	↑	(22)
	Tomato yellow leaf curl virus	N/A	↓	(23)
		HSP70-4	↓	(24)
		HSP70-2	↓	(24)
Solanum lycopersicum	Rhizopus nigricans	HSP70-7	↓	(25)
Solanum tuberosum L.	Synchytrium endobioticum	HSP70-4	↓∗	(26)
		HSP70-10	↓∗	(26)
		HSP70-2	↑∗	(26)
Triticum aestivum	Blumeria graminis	HSP70-2	↑	(27)
	Puccinia striiformis	Hsp70-2	↑	(27)
	Chinese wheat mosaic furovirus	HSP70-4	↑	(28)
Vigna unguiculata	Cowpea severe mosaic virus	HSP70-2	↓	(29)
		HSP70-3	↓	(30)
		HSP70-4	↓	(30)
		HSP70-5	↓	(30)
		HSP70-9	↓	(30)
		HSP70-18	↓	(30)
Vitis vinifera	Plasmopara viticola	HSP70-4	↑	(31)
Zea mays	Sugarcane mosaic virus	HSP70-12	↑	(32)

For the sake of simplicity, diverse non-canonical nomenclature has been replaced with the corresponding Arabidopsis orthologs. Asterisks indicate differences between susceptible and resistant cultivars. References: 1, Song et al. (2015); 2, Noël et al. (2007); 3, Lyu et al. (2020); 4, Wu et al. (2019); 5, Góngora-Castillo et al. (2012); 6, Saiz-Fernández et al. (2020); 7, Gupta et al. (2017); 8, Klink et al. (2007); 9, Berka et al. (2020); 10, Molitor et al. (2011); 11, Sharma Poudel et al. (2019); 12, C. Zhang et al. (2015); 13, Ye et al. (2011); 14, Hafrén et al. (2010); 15, Caplan et al. (2009); 16, Hýsková et al. (2021b); 17, Crampton et al. (2009); 18, Cerna et al. (2017); 19, Coelho et al. (2021); 20, Singh et al. (2019); 21, Vitale et al. (2014); 22, Naveed and Ali (2018); 23, Gorovits et al. (2013); 24, Chen et al. (2013); 25, Pan et al. (2013); 26, Szajko et al. (2020); 27, Guo et al. (2021); 28, Yang et al. (2017); 29, Paiva et al. (2016); 30, Varela et al. (2017); 31, Liu et al. (2021); 32, Chen et al. (2017).