Table 2.

GO categories of DEGs identified in beet leaves under salt shock

	150 mM NaCl		300 mM NaCl
	B. maritima	B. vulgaris cv. ‘Huzar’	B. maritima	B. vulgaris cv. ‘Huzar’
Biological Process	Carbohydrate metabolism (3,7), trehalose biosynthesis (3,7), cellulose biosynthesis (3,8), water transport (9), extracellular polysaccharide biosynthesis (3,8), cellular glucan metabolism (3,7), pathogenesis (5), \polysaccharide catabolism (3,7)	Response to chitin (5), protein ubiquitination (4), cellular glucan metabolism (3,7), defense response (5), camalexin biosynthesis (5), response to biotic stimulus (5), protein phosphorylation (4,6), L-serine biosynthesis (1)	Carbohydrate metabolism (3,7), photosynthesis (10), photosynthesis – light harvesting (10), ATP hydrolysis-coupled proton transport (9), cellulose biosynthesis (3,8), ATP synthesis-coupled proton transport (9,10), trehalose biosynthesis (3,7), chlorophyll biosynthesis (10), response to karrikin, extracellular polysaccharide biosynthesis (3,8), response to oxidative stress, water transport (9), phenylpropanoid metabolism (2), nucleoside metabolism, thiamine biosynthesis	Carbohydrate metabolism (3,7), inositol trisphosphate metabolism (3,6), camalexin biosynthesis (5), protein ubiquitination (4), cellular glucan metabolism (3,7), response to chitin (5), nucleoside metabolism
Molecular Function	Cellulose synthase (UDP-forming) (3,8), β-galactosidase (3), dTDP-4-dehydrorhamnose reductase (3,8), xyloglucan:xyloglucosyl transferase (3,8), inosine nucleosidase, uridine nucleosidase, protochlorophyllide reductase (10), acid phosphatase, UDP-glucuronate 4 epimerase (3,8), α-L-arabinofuranosidase (3,8), transporter (9)	Protein tyrosine kinase (4,6), xyloglucan:xyloglucosyl transferase (3,8), Ca2+-binding (6), protein serine/threonine kinase (4,6), transcription factor (6), Fe2+-binding, UDP-glucuronate 4 epimerase (3,8), ubiquitin protein transferase (4), aspartic-type endopeptidase (4), calmodulin binding (6)	Cellulose synthase (UDP-forming) (3,8), dTDP-4-dehydrorhamnose reductase (3,8), β-galactosidase (3), transmembrane transporter (9), protochlorophyllide reductase (10), chorismate mutase (1), symporter (9), aldehyde dehydrogenase, acid phosphatase, proton transporting ATPase (9), polyU RNA-binding, secondary active sulfate, NAD-binding, extracellular glutamate-gated ion channel (9), ionotropic glutamate receptor (6), proton-transporting ATP synthase (9,10)	Protein tyrosine kinase (4,6), xyloglucan:xyloglucosyl transferase (3,8), protein serine/threonine kinase (4,6), Ca2+-binding (6), transcription factor (6), UDP-glucuronate 4 epimerase (3,8), triglyceride lipase, β-galactosidase (3), ubiquitin protein transferase (4)
Cellular Compartment	Plant-type cell wall (8), extracellular region (8), apoplast (8), proteinaceous extracellular matrix (8), integral component of membrane (9), cell wall (8), chloroplast thylakoid membrane (10)	ubiquitin ligase complex (4), plant-type cell wall (8), extracellular matrix (8), Golgi-cisterna membrane	chloroplast thylakoid membrane (10), plastoglobule, plant-type cell wall (8), plasma membrane (9), photosystem I reaction center (10), apoplast (8), integral component of membrane (9), chloroplast envelope (10), proton transporting two-sector ATPase complex (9,10), proteinaceous extracellular matrix (8), COPI vessicle coat, photosystem II antenna complex (10), plastid large ribosomal subunit (10), chloroplast photosystem I (10), chloroplast stroma (10)	plant-type cell wall (8), proteinaceous extracellular matrix (8), ubiquitin ligase complex (4), apoplast (8), extracellular matrix (8), Golgi cisterna membrane

1 – aminoacids metabolism, 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