Bioinformatic Identification and Analysis of Hydroxyproline-Rich Glycoproteins in Populus trichocarpa

BMC Plant Biology

Table 5 Comparison of HRGPs identified in Populus trichocarpa and Arabidopsis thaliana

HRGP family	HRGP subfamily	Poplar	Arabidopsis^a
AGPs	Classical AGPs	21	22
	Lysine-Rich Classical AGPs	6	3
	AG-Peptides	35	16
	(Chimeric) FLAs	50	21
	(Chimeric) PAGs	39	17
	Other Chimeric AGPs	11	6
	All AGP subfamilies	162	85
EXTs	Classical EXTs	8	20
	Short EXTs	22	12
	(Chimeric) LRXs	10	11
	(Chimeric) FHs	5	6
	(Chimeric) PERKs	12	13
	Other Chimeric EXTs	3	3
	All EXT subfamilies	60	59
PRPs	PRPs	16	11
	PR Peptides	30	1
	Chimeric PRPs	3	6
	All PRP subfamilies	49	18
Total		271	168

^a The Arabidopsis HRGP data shown here are from Showalter et al. [16] with the exceptions that 6 chimeric FH EXTs were added and that one PR-peptide was found out of originally identified 12 PRPs as part of this study

ISSN: 1471-2229