Genome-wide characterization, evolution, and expression analysis of the leucine-rich repeat receptor-like protein kinase (LRR-RLK) gene family in Rosaceae genomes

Table 3 Statistical analysis of intron number across different subfamilies

LRR-RLK Subfamily	Number of genes	Minimum number of introns	Maximum number of introns	Average number of introns*	Standard deviation
XIIIb	16	22	42	27.2^aA	4.20
VIII-1	50	4	32	16.6^bB	5.24
V	45	4	35	15.9^bB	5.00
I-1	141	1	26	11.3^cC	3.85
XIIIa	19	4	20	10.6c^dC	4.49
VI-2	29	4	13	9.4^dC	2.72
II	70	2	20	9.4^dC	2.79
VI-1	33	4	12	6.6^eD	1.50
I-2	17	5	10	6.3^eD	1.10
XIV	15	3	6	3.5^fE	0.92
IV	20	3	6	3.4f^gE	0.88
XII-1	283	0	14	2.6^fghEF	2.26
VII-2	15	0	16	2.1^fghiEFG	3.97
XI-2	17	0	22	2.0^fghiEFG	5.23
III	264	0	18	1.8^ghijEFG	2.08
XI-1	396	0	11	1.7^hijEFG	1.48
IX	39	1	5	1.2^hijFG	0.68
VII-1	30	1	2	1.1^hijFG	0.25
Xb-2	7	0	2	0.9^ijFG	0.69
Xb-1	63	0	10	0.7^ijFG	1.69
XV	13	0	7	0.6^ijFG	1.94
Xa	23	0	2	0.3^jG	0.56
VII-3	17	0	1	0.2^jG	0.44

* Significant difference analysis was performed by Duncan’s test. Lower letters indicate significant difference (P < 0.05); upper letters indicate extreme significant difference (P < 0.01)

ISSN: 1471-2164