# Mining of Potential Gene Resources for Breeding Nutritionally Improved Maize
## 5 Identification of Maize Potential Gene Resources for Vitamin Content Improvement
\begin{table}
\begin{tabular}{c c c c c c} \hline \hline
**Genes** & **Protein Function** & **Maize Orthologs** & **Gene ID** & **Strategy** & **References** \\ \hline \multirow{3}{*}{_CMB1_} & \multirow{3}{*}{transcription factor} & _ZMM6_ & _Zm00001 eb036590_ & \multirow{3}{*}{overexpression} & [78] \\  & & _ZMM7_ & _Zm00001 eb317770_ & & \\  & & _ZMM27_ & _Zm00001 eb102450_ & & \\ \hline \multirow{3}{*}{_SGR1_} & \multirow{3}{*}{magnesium dechelatase} & _NYE1_ & _Zm00001 eb319560_ & \multirow{3}{*}{knockout} & [79] \\  & & _NYE2_ & _Zm00001 eb103480_ & & \\ \hline \multirow{3}{*}{_CCD4_} & carotenoid cleavage & _NCCD6_ & _Zm00001 eb188280_ & \multirow{3}{*}{knockout} & [80, 81] \\  & dioxygenase & _NCCD8_ & _Zm00001 eb251990_ & & \\ \hline \multirow{3}{*}{_LOX1_} & \multirow{3}{*}{lipoxygenase} & _LOX4_ & _Zm00001 eb054050_ & \multirow{3}{*}{knockout} & [82] \\  & & _LOX5_ & _Zm00001 eb216870_ & & \\ \hline \multirow{3}{*}{_CLD1_} & chlorophyll dephytylase & _UMC2173_ & _Zm00001 eb349130_ & & \\ \hline \multirow{3}{*}{_CHLG_} & chlorophyll synthase & _CHLG1_ & _Zm00001 eb286140_ & & \\ \hline \multirow{3}{*}{_GPD_} & \multirow{3}{*}{\(\varrho\)-hydroxyphenylpyruvate} & _H PPD1_ & _Zm00001 eb232960_ & \multirow{3}{*}{overexpression} & [93] \\  & dioxygenase & & _Zm00001 eb304950_ & & \\ \hline \multirow{3}{*}{_HPT_} & homogeniesate & _HPT1_ & _Zm00001 eb389370_ & & \\  & phytyltransferase & _HGT1_ & _Zm00001 eb386720_ & & \\ \hline \multirow{3}{*}{_HGGT_} & homogenistic acid & _HGGT1_ & _Zm00001 eb105110_ & & \\  & geranylgeranyl transferase & _HGGT2_ & _Zm00001 eb121230_ & & \\  & & _HGT3_ & _Zm00001 eb382300_ & & \\ \hline \multirow{3}{*}{_MPBQMT_} & 2-methyl-6-phyytlbenzqquinol & _APG1_ & _Zm00001 eb031790_ & & \\  & methyltransferase & _APG1_ & _Zm00001 eb031790_ & & \\ \hline \multirow{3}{*}{_TC_} &tocopherol cyclase & _SXD1_ & _Zm00001 eb237270_ & & \\  & & _Zm00001 eb197980_ & & \\  & & _Zm00001 eb347610_ & & \\ \hline \multirow{3}{*}{_TBP_} & \multirow{3}{*}{ICOPEP-mannose 3,5-epimerase} & _Zm00001 eb047980_ & & \\  & & _Zm00001 eb167750_ & & \\ \hline \multirow{3}{*}{_GGP_} & GDP-L-galactose phosphorylase & _SI946084H12_ & _Zm00001 eb144410_ & & \\  & & _Zm00001 eb049310_ & & \\  & & _Zm00001 eb049310_ & & \\  & & _Zm00001 eb236890_ & & \\  & & _Zm00001 eb236880_ & & \\ \hline \multirow{3}{*}{_GME_} & GDP-mannose 3,5-epimerase & _GME1_ & _Zm00001 eb047980_ & & \\  & _GME2_ & _Zm00001 eb167750_ & & \\ \hline \multirow{3}{*}{_GGP_} & GDP-L-galactose phosphorylase & _SI946084H12_ & _Zm00001 eb144410_ & & \\  & & _Zm00001 eb049310_ & & \\ \hline \multirow{3}{*}{_GPP_} & L-galactose dehydrogenase & _GAPP1_ & _Zm00001 eb049310_ & & \\  & phosphatase & _GAPP1_ & _Zm00001 eb049310_ & & \\ \hline \multirow{3}{*}{_GDH_} & L-galactose dehydrogenase & _GALDH1_ & _Zm00001 eb048730_ & & \\  & dehydrogenase & _GLDH1_ & _Zm00001 eb093120_ & & \\ \hline \multirow{3}{*}{_DHAR1_} & _DHAR1_ & _Zm00001 eb355540_ & & \\  & _DHAR2_ & _Zm00001 eb355550_ & & \\  & & _DHAR3_ & _Zm00001 eb266260_ & & \\ \hline \multirow{3}{*}{_GTPCHI_} & GTP cyclohydrolase & _GCH1_ & _Zm00001 eb067370_ & & \\  & _GCH2_ & _Zm00001 eb432940_ & & \\ \hline \multirow{3}{*}{_ADCS_} & aminodeoxychrismate & _ADCS1_ & _Zm00001 eb272970_ & & \\  & synthase & _DHFS1_ & _Zm00001 eb410070_ & & \\ \hline \multirow{3}{*}{_DHFS_} & dihydrofolate synthetase & _DHFS2_ & _Zm00001 eb410070_ & & \\  & _DHFS2_ & _Zm00001 eb137120_ & & \\ \hline \hline \end{tabular}
\end{table} 
Table 4: _Cont._