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Table 1 Specific Rice Mutants Affected in Several Aspects of Root Development

From: Molecular Genetics of Rice Root Development

Gene Name Molecular function Refs Phenotype
RAL1 RADICLELESS 1 ND Scarpella et al. [80] Radicle formation, vascular development, procambium
RAL2 RADICLELESS 2 ND Hong et al. [35]  
ARL1 ADVENTITIOUS ROOTLESS 1 LOB Class I Liu et al. [67] Crown rootless
CRL1 CROW ROOT LESS 1 LOB Class I Inukai et al. [39] Crown rootless
CRL2 CROW ROOT LESS 2 ND Inukai et al. [37] Crown rootless
LRT1/RM109 LATERAL ROOT LESS 1 ND Chhun et al. [6] Lateral rootless, resistance to 2,4-D, altered root gravity
LRT2 LATERAL ROOT LESS 2 ND Wang et al. [92] Lateral rootless, resistance to 2,4-D, altered root gravity
RH2 ROOT HAIRLESS 2 ND Suzuki et al. [88] Root hairless
SRT1/RM1/RM2 SHORT-ROOT 1 ND Ichii and Ishikawa [36] Reduced root length
SRT2/LM10 SHORT-ROOT 2 ND Liang and Ichii [65] Root cell length
SRT3 SHORT-ROOT 3 ND Yi et al. [96] ND
SRT4 SHORT-ROOT 4 ND Ichii and Ishikawa [36] ND
SRT5 SHORT-ROOT 5 ND Yao et al. [95] Sugar deficiency, inhibition of root length
SRT6 SHORT-ROOT 6 ND Yao et al. [94] ABA insensitive, inhibition of early root elongation
ALF1/AEM1 ALTERED LATERAL ROOT FORMATION 1 ND Debi et al. [16] Shorter lateral roots and proliferation of lateral roots
RRL1 REDUCED ROOT LENGTH ND Inukai et al. [38] Reduced root length for mature cells
RRL2 REDUCED ROOT LENGTH ND Inukai et al. [38] Reduced root length, meristem size, RAM cell divisions
RT1 ROOT GROWTH INHIBITING 1 ND Fustuhara and Kitano [27] Root elongation, root number
ARM1 AUXIN RESISTANT MUTANT 1 ND Chhun et al. [7] Resistance to 2,4-D, fewer lateral roots, shorter roots
ARM2 AUXIN RESISTANT MUTANT 2 ND Chhun et al. [7] Resistance to 2,4-D, fewer lateral roots, auxin uptake
DES DIAMETER OF SEMINAL ROOT ND Wan et al. [91] ND
OSHOX1 ORYZA SATIVA HOMEOBOX 1 HD-Zip transcription factor Meijer et al. [69] Procambium cell fate commitment
GLR3.1 GLUTAMATE RECEPTOR 3.1 Glutamate receptor Li et al. [64] QC, RAM mitotic activity
OSSCR ORYZA SATIVA SCR GRAS transcription factor Kamiya et al. [46] QC, endodermis asymmetric cell division
QHB QUIESCENT CENTER SPECIFIC HOMEOBOX HB transcription factor Kamiya et al. [47] RAM QC
OSCYT-INV1 ORYZA SATIVA CYT-INV1 Alkaline/neutral invertase Jia et al. [41] Root cell length reduced
OSGNA1 ORYZA SATIVA GLUCOSAMINE-6-P ACETYLTRANSFERASE glucosamine-6-P acetyltransferase Jiang et al. [44] Root elongation
  1. ND not determined