Genome-wide identification and comparative analysis of the heat shock transcription factor family in Chinese white pear (Pyrus bretschneideri) and five other Rosaceae species

Table 5 Synteny analysis of Hsf gene regions in Chinese white pear genome

Duplicated *Hsf* gene 1	Duplicated *Hsf* gene 2	Mean Ks	Homologous gene pairs in 200 kb	Genes in 200 kb
PbHsfA2a	PbHsfA9a	2.13	6	30
PbHsfA2a	PbHsfA9b	1.60	2	30
PbHsfA3a	PbHsfA3b	0.25	14	21
PbHsfA4a	PbHsfA4b	0.25	17	25
PbHsfA4a	PbHsfA4d	2.35	1	12
PbHsfA4c	PbHsfA4d	0.31	5	12
PbHsfA6a	PbHsfA6b	0.21	7	17
PbHsfA6a	PbHsfA6c	0.20	8	14
PbHsfA7a	PbHsfA7b	0.24	6	20
PbHsfA7b	PbHsfA6b	1.51	2	17
PbHsfA7b	PbHsfA6c	1.79	2	14
PbHsfB1a	PbHsfB1b	0.32	8	12
PbHsfC1a	PbHsfC1b	0.24	17	28

We chose six consecutive homologous gene pairs on each side flanking the Hsf genes to calculate the mean Ks, and calculated the number of genes in 200 kb according to the segment with less genes in 200 kb.

ISSN: 1471-2229