Table 1 The function classification of maize DEGs with rice orthologs
Categories | Gene IDs | Â | Â | Â | Â | cluster | Cd-regulation |
|---|---|---|---|---|---|---|---|
Abiotic stress | |||||||
 HIPP, heavy metal-associated domain (HMAD) isoprenylated plant protein |  |  |  |  | |||
| Â | ZM2G085086 | ZM2G008290 | ZM2G086163 | Â | Â | Â | UP |
 HSP, heat shock protein | ZM2G056039 | ZM2G310431 | ZM2G340251 | ZM2G428391 | ZM5G802801 | MCL144 | UP |
| Â | ZM2G046382 | ZM2G158232 | ZM2G306679 | Â | Â | MCL173 | UP |
| Â | ZM2G012631 | ZM2G069651 | ZM2G112165 | Â | Â | MCL313 | UP |
| Â | ZM2G070863 | ZM2G083810 | ZM2G098167 | ZM2G117836 | Â | Â | UP |
| Â | ZM2G149647 | ZM2G335242 | ZM2G360681 | ZM2G375517 | ZM2G007729 | Â | UP |
 HSF, heat shock transcription factor | ZM2G098696 | ZM2G164909 |  |  |  | MCL2494 | UP |
| Â | ZM2G059851 | ZM2G118453 | ZM2G301485 | Â | Â | Â | UP |
 DNAJ protein | ZM2G010000 | ZM2G031637 | ZM2G010871 |  | ZM2G029385 | MCL1373 | UP |
| Â | ZM2G039886 | ZM2G119316 | ZM2G023786 | Â | Â | MCL1040 | UP |
| Â | ZM2G028218 | ZM2G134917 | ZM2G086841 | Â | Â | MCL685 | UP |
 cold-responsive CaLB domain | ZM2G032766 |  |  |  |  |  | UP |
 drought/dehydration-responsive | ZM2G077036 | ZM2G128179 | ZM2G014066 | ZM2G069018 | ZM2G181551 | MCL561 | UP |
 GLP, germin-like protein | ZM2G093622 | ZM2G093606 | ZM2G093554 | ZM2G157364 |  | MCL23 | UP |
| Â | ZM2G093076 | ZM2G149714 | ZM2G049930 | ZM2G071390 | ZM2G178817 | MCL23 | UP |
| Â | ZM2G072965 | ZM2G176798 | ZM2G170857 | ZM2G045809 | ZM2G115491 | MCL23 | UP |
 cyclase/dehydrase family | ZM2G144224 | ZM2G047677 |  |  |  |  | down |
MAP kinases signaling | ZM2G053987 | ZM2G344388 | Â | Â | Â | Â | UP |
ABA synthesis and signaling | |||||||
 AAO, abscisic aldehyde oxidase | ZM5g899851 |  |  |  |  |  | UP |
 NCED, 9-cis-epoxycarotenoid dioxygenase | ZM2g408158 | ZM2g417954 | ZM2g014392 |  | MCL13945 | UP | |
 ABA signaling | ZM2g479760 | ZM2g114153 | ZM2g046782 | ZM2g106622 |  |  | UP |
Jasmonate synthesis | |||||||
 LOX, lipoxygenase | ZM2G109056 | ZM2G109130 | ZM2G102760 |  |  | MCL163 | UP |
 AOS, allene oxidase synthase | ZM2G072653 | ZM2G376661 | ZM2G033098 |  |  | MCL3533 | UP |
| Â | ZM2G002178 | ZM2G067225 | Â | Â | Â | MCL3596 | UP |
 AOC, allene oxidase cyclase | ZM2G077316 |  |  |  |  |  | UP |
 OPR, 12-oxophytodienoate reductase | ZM2G000236 | ZM2G087192 |  |  |  | MCL166 | UP |
Ethylene synthesis and signaling | |||||||
 ethylene synthesis | ZM5g894619 | ZM2g164405 |  |  |  | MCL4831 | UP |
 ethylene signaling | ZM2g438202 | ZM2g068967 | ZM2g020016 | ZM2g051135 | ZM2G061487 | MCL12147 | UP |
| Â | ZM2g123119 | ZM2G174347 | ZM2g381441 | ZM2g474326 | AC233933.1_FG001 | UP | |
 ethylene receptor | AC194965.4_FG001 |  |  |  |  | down | |
Cytokinin synthesis and degradation | |||||||
 cytokinin synthesis | ZM2g104559 |  |  |  |  |  | down |
 cytokinin degradation | ZM2g024476 | ZM2g348452 |  |  |  |  | UP |
Cell wall | |||||||
 CW precursor synthesis | ZM2G110558 | ZM2G042179 | ZM5G862540 |  |  | MCL7320 | UP |
 CW modification | ZM2G070271 | ZM2G114322 |  |  | ZM2G332412 |  | down |
 CW extensin | ZM2G099491 | ZM2G070322 |  |  |  | MCL13774 | UP |
Redox | |||||||
 respiratory burst | ZM2G065144 | ZM2G441541 |  |  |  | MCL365 | UP |
 AsA and GSH cycling | ZM2G134708 | ZM2G141376 |  |  |  |  | UP |
 glutaredoxins | ZM2G178886 | ZM2G311898 | ZM2G148387 |  |  | MCL631 | UP |
 GST, glutathione S-transferases | ZM2G052625 | ZM2G308687 | ZM2G161827 | ZM2G161891 | ZM2G044383 |  | UP |
| Â | ZM2G025190 | ZM2G146913 | ZM2G175134 | ZM2G475059 | Â | Â | UP |
minor CHO metabolism | |||||||
 raffinose family synthases | ZM2G077181 | ZM2G340656 | ZM2G165919 |  |  | MCL3328 | UP |
 trehalose synthesis | ZM2G014729 | ZM2G117564 | ZM2G112830 |  |  | MCL11250 | UP |
Development | |||||||
 patatin-like storage proteins | ZM2G114036 | ZM2G414047 |  |  | ZM2G117378 | MCL12549 | UP |
| Â | ZM2G091956 | ZM2G124921 | Â | Â | Â | MCL12894 | UP |
 LEA, late embryogenesis abundant | ZM2G099003 | ZM2G093418 |  |  |  |  | UP |
Secondary metabolism | |||||||
 isoprenoids | ZM2G150367 |  |  |  |  |  | UP |
 phenylpropanoids | ZM2G060210 | ZM2G108714 |  |  |  | MCL12214 | UP |
| Â | ZM2G114918 | ZM2G061806 | ZM2G064969 | ZM2G140996 | Â | MCL16463 | UP |
| Â | ZM2G165192 | ZM2G125448 | ZM2G362298 | ZM5G882427 | Â | Â | UP |
 lignin biosynthesis. PAL phenylalanine ammonia-lyase | ZM2G029048 | ZM2G334660 | ZM2G170692 |  | MCL71 | UP | |
| Â | Â | ZM2G081582 | ZM2G063917 | ZM2G118345 | Â | MCL71 | UP |
 lignin biosynthesis. Others | ZM2G167613 | ZM2G100158 | ZM2G125448 | AC234163.1_FG002 |  | UP | |
 flavonoids and anthocyanins | ZM2G117246 | ZM2G382785 | ZM2G099467 | ZM5G881887 | ZM2G051683 |  | UP |