Table 1.

Vascular sap proteomes of healthy plants.

Species	Sap collection method	Number of proteins identified	Reference
Xylem sap proteomes
Brassica napus	Root pressure	10	Buhtz et al., 2004
	Root pressure	69	Kehr et al., 2005
Brassica oleracea	Root pressure	10	Buhtz et al., 2004
	Bleed (stem)	189	Ligat et al., 2011
Cucurbita maxima	Root pressure	11	Buhtz et al., 2004
Cucumis sativus	Root pressure	9	Buhtz et al., 2004
Glycine max	Pressure (syringe)	241	Djordjevic et al., 2007
	Pressure (syringe)	16	Krishnan et al., 2011
Gossypium hirsutum	Root pressure	4552	Zhang et al., 2015
Oryza sativa	Root pressure	118	Aki et al., 2008
Vitis vinifera	Bleed, pressure	7	Aguero et al., 2008
Zea mays	Root pressure	59	Alvarez et al., 2006
Phloem sap proteomes
Arabidopsis thaliana	EDTA-facilitated	377	Batailler et al., 2012
	EDTA-facilitated	65	Guelette et al., 2012
Brassica napus	Puncture	140	Giavalisco et al., 2006
Cucurbita maxima	Puncture	29	Walz et al., 2004
	Cut stem	1121	Lin et al., 2009
	Cut stem	47	Cho et al., 2010
	Cut stem/petioles	320	Frohlich et al., 2012
Cucumis melo	Cut stem/petioles	143	Malter and Wolf, 2011
Cucumis sativus	Puncture	16	Walz et al., 2004
Hordeum vulgare	Stylectomy	7	Gaupels et al., 2008
Lupinus albus	Puncture	86	Rodriguez-Medina et al., 2011
Lupinus texensis	Puncture	98	Lattanzio et al., 2013
Oryza sativa	Stylectomy	107	Aki et al., 2008
Ricinus communis	Puncture	18	Barnes et al., 2004

¹Comparative study where treated and healthy plants displayed identical protein profiles, ²peptide fragments, ³identified as differentially abundant in different tissues of healthy plants.