BMC Plant Biology

Table 2 Comparison of R. stricta differentially expressed (DE) genes with Arabidopsis microarray datasets

From: The temporal foliar transcriptome of the perennial C₃ desert plant Rhazya stricta in its natural environment

Leaf type		Apical			Mature
Treatment	DE homologs (Arabidopsis)	Morning to midday	Midday to dusk	Dusk to Morning	Morning to midday	Midday to dusk	Dusk to morning
DE genes in R. stricta	*	5227	3223	5025	8301	4798	8116
DE homologs in R. stricta	*	3669	2142	3608	6163	3425	6185
Circadian	4611	1103^***	743^***	1210^***	1803^***	1133^***	1906^***
Heat	715	183^**	130^***	161^ns	310^***	182^***	284^*
Salt	293	83^*	52^ns	77^ns	130^**	61^ns	119^ns
Cold	464	136^***	138^***	146^***	201^***	139^***	210^***
Light	1049	274^***	221^***	283^***	428^***	296^***	451^***
Salt + Light	1153	269^ns	208^***	263^ns	523^***	282^***	476^***
Cold + Light	833	217^***	175^***	236^***	333^**	241^***	373^***
Heat + Light	782	196^*	148^***	165^ns	348^***	202^***	291^ns
Heat – circadian	504	126^*	82^***	99^ns	217^***	112^*	185^ns
Salt – circadian	209	56^ns	31^ns	47^ns	89^*	33^ns	79^ns
Cold – circadian	288	73^ns	62^***	70^ns	115^ns	62^ns	107^ns
Light – circadian	635	140^ns	83^ns	116^ns	240^*	129^ns	229^ns
Salt + Light – circadian	779	187^**	125^***	153^ns	357^***	170^**	300^***
Cold + Light – circadian	480	108^ns	66^ns	91^ns	176^ns	101^ns	176^ns
Heat + Light – circadian	543	119^ns	90^***	97^ns	215^**	121^*	180^ns

Circadian genes refer to meta-analysis of circadian regulated genes (Covington et al., 2008). The table shows the Arabidopsis treatment (with or without circadian genes) against two leaf types apical and mature leaves and the pairwise comparisons between time points (morning, midday and dusk). The results show number of homologs and results of hypergeometric test, which is Bonferroni corrected for multiple testing p-values; significance is shown by * < 0.05, ** < 0.01, *** < 0.001 and ns > 0.05. The top row shows number of R. stricta genes DE and the remainder of the table shows numbers of homologous genes between R. stricta and Arabidopsis.

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ISSN: 1471-2229

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