Table 5.

Selected genes encoding cell wall and plasma membrane proteins >4-fold differentially expressed between IN9 and IN13

Annotation	Oligo ID	Signal intensity	Fold changea	Maize gene ID	Arabidopsis homologue gene	E-value	Suggested function
LRR protein	MZ00019529	10.6	10.3	GRMZM2G149201	AT4G13340/LRX3	6E-127	Expression associated with elongating cells1
LRR protein	MZ00028889	9.8	5.6	GRMZM2G042181	AT4G06744	3E-74	Indirectly associated with cell wall biosynthesis2
LRR protein	MZ00046729	10.2	–5.6	GRMZM2G341410	AT3G22800/LRX6	9E-101	Potentially involved in cell wall development3
LRR protein	MZ00041948	12.5	–5.5	GRMZM2G012031	AT2G34680/AIR9	0E+00	Microtubule-Associated Protein4
LRR protein	MZ00005954	10.5	5.3	GRMZM2G342509	AT4G06744	2E-97	Indirectly associated with cell wall biosynthesis2
LRR protein	MZ00044323	11.2	5.3	GRMZM2G082823	AT1G12040/LRX1	8E-113	Cell wall formation and assembly in elongating root hairs5
LRR protein	MZ00018762	10.6	4.9	GRMZM2G022897	AT1G25570	0E+00	Unknown
LRR protein	MZ00016499	12.4	–4.0	GRMZM2G366150	AT1G15740	0E+00	Unknown
Fasciclin-like AGP	MZ00016317	11.0	15.6	AC234156.1_FG005	AT2G04780/FLA7	8E-53	Poplar homologue expressed in elongating internode6
Fasciclin-like AGP	MZ00018923	11.4	9.2	GRMZM2G301908	AT5G55730/FLA1	4E-37	Unknown
Fasciclin-like AGP	MZ00032716	12.7	-6.6	gb|EU962845.1|b	AT5G03170/FLA11	2E-20	Involved in secondary cell wall formation7
Fasciclin-like AGP	MZ00016177	10.6	6.0	GRMZM2G003752	AT2G45470/FLA8	3E-105	Unknown
Fasciclin-like AGP	MZ00039834	12.1	5.4	GRMZM2G084812	AT4G12730/FLA2	5E-52	Unknown
Cobra-like protein	MZ00012936	10.0	6.4	GRMZM2G167497	AT5G15630/IRX6	0E+00	Zm brittle stalk-2-like protein 7 / Unknown
Cobra-like protein	MZ00005183	12.7	–7.7	GRMZM2G109326	AT5G15630/IRX6	0E+00	Zm brittle stalk2: involved in cell wall biogenesis8
Multicopper oxidase	MZ00015277	10.1	4.5	GRMZM2G049693	AT4G12420/SKU5	0E+00	Cell wall expansion in roots9

^aPositive values indicate fold higher expression in IN13 compared with IN9. Negative values indicate higher expression in IN9 compared with IN13.

^bNo gene associated with the oligo using the maize genome browser.

¹Irshad et al., 2008; ²Dauwe et al., 2007; ³Diet et al., 2006; ⁴Buschmann et al., 2006; ⁵Baumberger et al., 2001; ⁶Dharmawardhana et al., 2010; ⁷Ito et al., 2005; ⁸Ching et al., 2006; ⁹Sedbrook et al., 2002.