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Table 1 Classification of LRRs family genes based on six protein databases and phylogenetic analysis.

From: Molecular characterization and expression analysis of pitaya (Hylocereus polyrhizus) HpLRR genes in response to Neoscytalidium dimidiatum infection

Based on Six Protein Databases (Total 272)

Classification

Number

Up regulation

Description of Classification

I

135

Unigene19327_All, Unigene21125_All, Unigene13635_All, Unigene9087_All, Unigene13867_All, CL1260.Contig2_All

LRR-STK subfamily

II

26

Unigene15298_All

LRR-RLK subfamily

III

29

---

NBS-LRR subfamily

IIII

49

CL2218.Contig1_All, Unigene19955_All, Unigene13405_All

FBXL subfamily

V

8

Unigene12636_All

PIRL subfamily

VI

5

---

LRR transmembrane protein kinase

VII

3

---

Brassinosteroid LRR receptor kinase

VIII

17

Unigene18881_All

Other LRR genes

Based on Phylogenetic Analysis (Total 233)

Classification

Number

aa length

Gene annotation and number

I

16

31–465

LRR receptor-like/receptor-like STK (9); NBS-LRR (3); FBXL (2); Brassinosteroid LRR receptor kinase (1); LRR transmembrane protein kinase (1)

II

32

31–927

LRR receptor-like /receptor-like STK (16); FBXL (6); NBS-LRR (6); LRR transmembrane kinase (1); Brassinosteroid LRR receptor kinase (1); PIRL (1); LRR and ubiquitin-like domain-containing protein (1)

III

24

32–604

LRR receptor-like/receptor-like STK (15); FBXL (3); NBS-LRR (3); PIRL (2); Brassinosteroid LRR receptor kinase-like (1)

IV

30

31–1138

LRR receptor-like/receptor-like STK (16); NBS-LRR (6); FBXL (5); LRR transmembrane protein kinase (3)

V

26

34–364

LRR receptor-like/receptor-like STK (24); FBXL (2)

VI

27

36–501

LRR receptor-like/receptor-like STK (16); FBXL (5); PIRL (4); NBS-LRR (1); Disease resistance protein RGA4 (1)

VII

24

32–515

LRR receptor-like/receptor-like STK (15); FBXL (7); NBS-LRR (2)

VIII

54

30–504

LRR receptor-like/receptor-like STK (36); FBXL (11); NBS-LRR (5); PIRL (1); Disease resistance RPP13-like protein (1)

  1. FBXL F-box/LRR-repeat protein, LRR leucine-rich repeat, NBS nucleotide-binding site, PIRL plant intracellular Ras group-related LRR, RLK receptor-like kinase, STK serine/threonine-protein kinase