Table 1.

Expression profiles of the DUF642 genes detected in distinct tissues/organs and species. DUF642 genes are grouped by clades as reported by Vázquez-Lobo et al. (2012) [9] and using the locus tag of Arabidopsis as a reference for gene grouping.

Clade	Gene Name	Species	Expressed in Tissue/Organ	Reference
A1	At1g80240	Arabidopsis	Petal	[23]
A1	GRMZM2G027683	Zea mays	Embryo	[24]
A1	OSNPB_040494600	Oryza sativa	Floral buds, flowers, mature seed, milk grains, roots before flowering	[25]
A1	Orthologous to At4g32460	Brassica rapa	Hypocotyl epidermal cells	[21]
A1	Orthologous to At4g32460	Cannabis sativa	Stem (apical section)	[26]
A1	OSNPB_020205200	Oryza sativa	Floral buds, flowers, mature seed, milk grains	[25]
A1	Orthologous to At5g11420	Brassica rapa	Hypocotyl epidermal cells	[21]
A1	At5g11420	Arabidopsis	Petal	[23]
A1	At5g11420	Arabidopsis	Root (cortex)	[27]
A1	OSNPB_010611000	Oryza sativa	Floral buds, flowers, mature seed, milk grains, roots before flowering	[25]
A1	OSNPB_040494800	Oryza sativa	Floral buds, milk grains, roots before flowering	[25]
A1	Orthologous to At5g25460	Brassica rapa	Hypocotyl epidermal cells	[21]
A1	AhDGR2	Amaranthus hypochondriacus var. Revancha	Panicle, axillary bud, young stem, and young leaf	[16]
A1	GRMZM2G051571	Zea mays	Seed	[24]
A1	GRMZM2G034985	Zea mays	Seed, shoot, root, SAM, ear, tassel, cob, silk, anthers, ovule	[24]
A1	Orthologous to At5g25460	Cannabis sativa	Stem (apical section)	[26]
A1	At5g25460	Arabidopsis	Root (cortex)	[27]
A2	similar to At3g08030	Brassica rapa	Hypocotyl inner tissue cells	[21]
A2	At3g08030	Arabidopsis	Root (cortex/hair cell)	[27]
A2	At2g41800	Arabidopsis	Carpel	[23]
A2	OSNPB_030807700	Oryza sativa	Floral buds, flowers, mature seed, milk grains, roots before flowering	[25]
A2	At2g41810	Brassica rapa	Hypocotyl epidermal cells	[21]
B	Orthologous to At1g29980	Brassica rapa	Hypocotyl inner tissue cells	[21]
B	OSNPB_010756600	Oryza sativa	Floral buds, flowers, leaves before flowering, mature seed, milk grains, roots before flowering	[25]
B	GRMZM2G324705	Zea mays	Seed, shoot, root, SAM, ear, tassel, cob, silk, anthers, ovule	[24]