Table 2.

Numbers of differentially expressed transcripts in comparisons of the experiment groups of the 19^th DLR parabolic flight campaign.

		1 g IF vs H/W 1 g GC	BL-PFC hyp-g vs 1 g IF	µg vs BL-PFC hyp-g	µg vs 1 g IF	BL-PFC hyp-g vs H/W 1 g GC	µg vs H/W 1 g GC
differentially expressed transcripts	up-regulated	748	6564	709	494	8170	3089
	down-regulated	3545	5118	1102	1220	9828	8721
	total number	4293	11682	1811	1714	17998	11810
differentially expressed annotated transcripts	up-regulated	707	6159	669	457	7635	2852
	down-regulated	3458	4981	1046	1196	9593	8509
	total number	4165	11140	1715	1653	17228	11361

Differential expression is defined as t-test p-value < 0.05; fold change ≤−1.3 or ≥ +1.3. The term “transcripts” refers to all 45034 transcripts of the array, whereas “annotated transcripts” refers to the 42947 transcripts that are annotated to a gene.