Table 1. Overview of CrRLK1L Family Member Mutant Phenotypes
AllelePhenotypeMutationEcotypeReference
FER
 ferPollen tube overgrowth, multiple pollen tubes, reduced stature, increased cell death, increased ROS burst and MAPK activation upon flg22 in leaves, reduced bacterial proliferation, resistant to powdery mildew, defective NTA localization4-bp insertion, frame shiftLerHuck et al. (2003); Escobar-Restrepo et al. (2007); Keinath et al. (2010)
Ds transposonKessler et al. (2010)
 srn/sirPollen tube overgrowth, multiple pollen tubes, defective root hairs, larger seeds, bigger cotyledons, reduced ROS in female gametophyte, hypersensitive to ABA, autonomous endosperm development1-bp deletion, frame shiftC24Rotman et al. (2003)
γ-Ray irradiationEscobar-Restrepo et al. (2007); Rotman et al. (2008); Duan et al. (2010, 2014); Yu et al. (2014)
 fer-2Reduced hypocotyl length, brassinosteroid insensitivity, ethylene hypersensitivitytDNA insertionCol-0Deslauriers and Larsen (2010)
Activation tagging
 fer-3Reduced hypocotyl lengthtDNA insertion in 5′ partCol-0Deslauriers and Larsen (2010)
 fer-4Reduced stature, defective root hairs, defective trichomes, reduced fertility, reduced auxin and RAC/ROP signaling, reduced ROS in roots/female gametophyte, larger seeds, bigger cotyledons, RALF insensitive, longer root length under blue light, increased capacity to acidify medium, hypersensitive to LiCl, pollen tube overgrowth, reduced ROS in female gametophyte, hypersensitive to ABAtDNA insertion in 5′ partCol-0Duan et al. (2010); Yu et al. (2012, 2014); Huang at al. (2013); Duan et al. (2014); Haruta et al. (2014)
 fer-5Reduced stature, defective root hairs, reduced auxin and RAC/ROP signaling, reduced ROS in roots/female gametophyte, partially insensitive to RALF, hypersensitive to ABAtDNA insertion in 3′ partCol-0Duan et al. (2010)
Haruta et al. (2014)
Yu et al. (2014)
 fer amiRNAReduced growth, rounded leaves, reduced cell elongation in hypocotyl and petiolesamiRNA under control of BRI1 promoterCol-0Guo et al. (2009b)
THE1
 the1-1Suppresses growth defect and ectopic lignification of prc1-1, reverts gene expression changes in prc1-1G110A EMS alleleprc1-1 (Col-0)Hématy et al. (2007)
Denness et al. (2011)
 the1-2Suppresses growth defect of prc1-1G448A EMS alleleprc1-1 (Col-0)Hématy et al. (2007)
 the1-3Suppresses growth defect and ectopic lignification of several cell wall–damaging mutants, reverts gene expression changes in prc1-8tDNAWsHématy et al (2007)
 the1-4Reduced stature and cell elongation when combined with herk, enhances bri1-5 when combined with herk1, suppresses bes1-1D when combined with herk1, altered gene expression when combined with herk1tDNACol-0Guo et al. (2009b)
ANX1/2
 anx1,2Reduced fertility, pollen tube bursttDNAsCol-0Miyazaki et al. (2009)
 anx1-2, 2-2Reduced fertility, pollen tube bursttDNAsCol-0Boisson-Dernier et al. (2009); Boisson-Dernier et al. (2013)
HERK1/2
 herk1Reduced stature and cell elongation when combined with the1-4, enhances bri1-5 when combined with the1-4, suppresses bes1-1D when combined with the1-4, altered gene expression when combined with the1-4tDNACol-0Guo et al. (2009b)
 herk2Reduced stature when combined with herk1 and the1-4Guo et al. (2009a)
ERULUS
 eru1Defective root hairstDNACol-0Haruta et al. (2014)
 eru2Defective root hairstDNACol-0Haruta et al. (2014)
  • References in bold denote first description of the respective mutant alleles. Col-0, Columbia-0; Ler, Landsberg erecta; Ws, Wassilewskija; amiRNA,artificial microRNA.