Table 1.

GO categories of DEGs identified in leaves of beet plants under salt stress

	150 mM NaCl		300 mM NaCl
	B. maritima	B. vulgaris cv. ‘Huzar’	B. maritima	B. vulgaris cv. ‘Huzar’
Biological Process	proline catabolism to glutamate (1,7), polysaccharide catabolism (3,7), triterpenoid biosynthesis (2),	cellular glucan metabolism (3,7), response to chitin (5), protein ubiquitination (4), trehalose biosynthesis (3,7), cellular iron ion homeostasis, defense response (5), camalexin biosynthesis (5), protein phosphorylation (4,6), L-serine biosynthesis (1), response to biotic stimulus (5), circadian rythm	pathogenesis (5), proline catabolism to glutamate (1,7), methionine catabolism (1), protein polymerisation (4)	protein ubiquitination (4), cellular glucan metabolism (3,7), trehalose biosynthesis (3,7), carbohydrate metabolism (3,7), response to wounding (5), inositol trisphosphate metabolism (3,6), response to chitin (5), camalexin biosynthesis (5), protein phosphorylation (4,6)
Molecular Function	β-amylase (3,7), malate synthase, 1-pyrroline-5-carboxylate dehydrogenase (1,7), hydrolase, hydroxymethyl-glutaryl-CoA reductase, protochlorophyllide reductase (10), galactose transmembrane transporter (9), endopeptidase inhibitor (4)	protein tyrosine kinase (6), xyloglucan:xyloglucosyl transferase (3,8), transcription factor (6), Ca2+ binding (6), protein serine/threonine kinase (6), ubiquitin protein transferase (4), galactose transmembrane transporter (9), UDP-glucuronate 4 epimerase (3,8), Fe2+ binding, aspartic type endopeptidase (4), calmodulin binding (6)	catechol oxidase (8), β-amylase (3,7), 1-pyrroline-5-carboxylate dehydrogenase (1,7), glutamate 5-semialdehyde dehydrogenase (1), methionin γ-lyase (1)	protein tyrosine kinase (4,6), xyloglucan:xyloglucosyl transferase (3,8), protein serine/threonine kinase (4,6), ubiquitin protein transferase (4), Ca2+ binding (6)
Cellular Compartment	–	ubiquitin ligase complex (4), plant-type cell wall (8), integral component of membrane (9)	plant-type cell wall (8)	plant-type cell wall (8), ubiquitin ligase complex (4), proteinaceous extracellular matrix (8), apoplast (8), integral component of membrane (9)

1 – aminoacids catabolism, 2 – secondary metabolism, 3- carbohydrates metabolism, 4 – protein processing, 5 – pathogen response, 6 – transcription regulation and signalling, 7 – osmoprotectant metabolism, 8 – cell wall plasticity, 9 – transmembrane transport, 10 – photosynthesis

GO terms were required to pass significance threshold of P ≤ 0.001

The GO categories, common for B. maritima and B. vulgaris cv. 'Huzar' are marked in bold