PHOT1

Summary

Gene Symbol: PHOT1
Description: phototropin 1
Alias: F16L2.3, JK224, NONPHOTOTROPIC HYPOCOTYL 1, NPH1, PHOTOTROPIN, ROOT PHOTOTROPISM 1, RPT1, phototropin 1, phototropin 1
Species: thale cress
Products:     PHOT1

Top Publications

  1. Matsuoka D, Tokutomi S. Blue light-regulated molecular switch of Ser/Thr kinase in phototropin. Proc Natl Acad Sci U S A. 2005;102:13337-42 pubmed
    b>Phototropin is a blue light photoreceptor for tropic responses, relocation of chloroplasts, and stomata opening in plants...
  2. Sakamoto K, Briggs W. Cellular and subcellular localization of phototropin 1. Plant Cell. 2002;14:1723-35 pubmed
    b>Phototropin 1 (phot1) is a Ser/Thr photoreceptor kinase that binds two molecules of flavin mononucleotide as its chromophores and undergoes autophosphorylation in response to blue light...
  3. Huala E, Oeller P, Liscum E, Han I, Larsen E, Briggs W. Arabidopsis NPH1: a protein kinase with a putative redox-sensing domain. Science. 1997;278:2120-3 pubmed
    The NPH1 (nonphototropic hypocotyl 1) gene encodes an essential component acting very early in the signal-transduction chain for phototropism...
  4. Kaiserli E, Sullivan S, Jones M, Feeney K, Christie J. Domain swapping to assess the mechanistic basis of Arabidopsis phototropin 1 receptor kinase activation and endocytosis by blue light. Plant Cell. 2009;21:3226-44 pubmed publisher
    Phototropins (phot1 and phot2) are plasma membrane-associated receptor kinases that respond specifically to blue and UV wavelengths...
  5. Christie J, Swartz T, Bogomolni R, Briggs W. Phototropin LOV domains exhibit distinct roles in regulating photoreceptor function. Plant J. 2002;32:205-19 pubmed
    ..Here we have used the Cys39Ala mutation to investigate the role of LOV1 and LOV2 in regulating phototropin function...
  6. Sakai T, Kagawa T, Kasahara M, Swartz T, Christie J, Briggs W, et al. Arabidopsis nph1 and npl1: blue light receptors that mediate both phototropism and chloroplast relocation. Proc Natl Acad Sci U S A. 2001;98:6969-74 pubmed
    ..These include light-driven chloroplast movement and phototropism. The NPH1 gene of Arabidopsis encodes an autophosphorylating protein kinase that functions as a photoreceptor for ..
  7. Motchoulski A, Liscum E. Arabidopsis NPH3: A NPH1 photoreceptor-interacting protein essential for phototropism. Science. 1999;286:961-4 pubmed
    Phototropism of Arabidopsis thaliana seedlings in response to a blue light source is initiated by nonphototropic hypocotyl 1 (NPH1), a light-activated serine-threonine protein kinase...
  8. Cho H, Tseng T, Kaiserli E, Sullivan S, Christie J, Briggs W. Physiological roles of the light, oxygen, or voltage domains of phototropin 1 and phototropin 2 in Arabidopsis. Plant Physiol. 2007;143:517-29 pubmed
    ..These constructs encode either wild-type phototropin or phototropin with one or both LOV-domain cysteines mutated to block their photochemistry...
  9. Lariguet P, Schepens I, Hodgson D, Pedmale U, Trevisan M, Kami C, et al. PHYTOCHROME KINASE SUBSTRATE 1 is a phototropin 1 binding protein required for phototropism. Proc Natl Acad Sci U S A. 2006;103:10134-9 pubmed
    ..Lateral differences in low fluence rates of blue light are detected by phototropin 1 (phot1) in Arabidopsis...

More Information

Publications61

  1. Galen C, Rabenold J, Liscum E. Functional ecology of a blue light photoreceptor: effects of phototropin-1 on root growth enhance drought tolerance in Arabidopsis thaliana. New Phytol. 2007;173:91-9 pubmed
    The blue light photoreceptor phototropin-1 has been shown to enhance fitness in Arabidosis thaliana under field conditions...
  2. Takemiya A, Inoue S, Doi M, Kinoshita T, Shimazaki K. Phototropins promote plant growth in response to blue light in low light environments. Plant Cell. 2005;17:1120-7 pubmed
    ..Here, we report dramatic phototropin-dependent effects on plant growth...
  3. Luesse D, DeBlasio S, Hangarter R. Integration of Phot1, Phot2, and PhyB signalling in light-induced chloroplast movements. J Exp Bot. 2010;61:4387-97 pubmed publisher
    ..The regulation of these chloroplast movements involves members of both the phototropin and phytochrome families of photoreceptors...
  4. Kinoshita T, Doi M, Suetsugu N, Kagawa T, Wada M, Shimazaki K. Phot1 and phot2 mediate blue light regulation of stomatal opening. Nature. 2001;414:656-60 pubmed
    ..responses have identified four blue light receptors, cryptochrome 1 (cry1), cryptochrome 2 (cry2), phot1 and phot2...
  5. de Carbonnel M, Davis P, Roelfsema M, Inoue S, Schepens I, Lariguet P, et al. The Arabidopsis PHYTOCHROME KINASE SUBSTRATE2 protein is a phototropin signaling element that regulates leaf flattening and leaf positioning. Plant Physiol. 2010;152:1391-405 pubmed publisher
    ..Systematic analysis of mutants reveals that PKS2 (and to a lesser extent PKS1) act in the same subset of phototropin-controlled responses as NPH3, namely leaf flattening and positioning...
  6. Sullivan S, Thomson C, Lamont D, Jones M, Christie J. In vivo phosphorylation site mapping and functional characterization of Arabidopsis phototropin 1. Mol Plant. 2008;1:178-94 pubmed publisher
    Phototropins (phot1 and phot2) are blue-light receptor kinases controlling a range of responses that optimize the photosynthetic efficiency of plants...
  7. Sullivan S, Thomson C, Kaiserli E, Christie J. Interaction specificity of Arabidopsis 14-3-3 proteins with phototropin receptor kinases. FEBS Lett. 2009;583:2187-93 pubmed publisher
    ..Here, we isolated several interacting proteins for Arabidopsis phototropin 1 (phot1) by yeast two-hybrid screening...
  8. Inoue S, Kinoshita T, Matsumoto M, Nakayama K, Doi M, Shimazaki K. Blue light-induced autophosphorylation of phototropin is a primary step for signaling. Proc Natl Acad Sci U S A. 2008;105:5626-31 pubmed publisher
    ..sites of Ser or Thr in the N terminus, Hinge1 region, kinase domain, and C terminus in Arabidopsis phototropin1 (phot1) by liquid chromatography-tandem mass spectrometry in vivo...
  9. Aihara Y, Tabata R, Suzuki T, Shimazaki K, Nagatani A. Molecular basis of the functional specificities of phototropin 1 and 2. Plant J. 2008;56:364-75 pubmed publisher
    A blue-light photoreceptor in plants, phototropin, mediates phototropism, chloroplast relocation, stomatal opening, and leaf-flattening responses...
  10. Christie J, Reymond P, Powell G, Bernasconi P, Raibekas A, Liscum E, et al. Arabidopsis NPH1: a flavoprotein with the properties of a photoreceptor for phototropism. Science. 1998;282:1698-701 pubmed
    The NPH1 gene of Arabidopsis thaliana encodes a 120-kilodalton serine-threonine protein kinase hypothesized to function as a photoreceptor for phototropism...
  11. Han I, Tseng T, Eisinger W, Briggs W. Phytochrome A regulates the intracellular distribution of phototropin 1-green fluorescent protein in Arabidopsis thaliana. Plant Cell. 2008;20:2835-47 pubmed publisher
    ..by low fluence rates of blue light prevent the blue light-induced loss of green fluorescent protein-tagged phototropin 1 (PHOT1-GFP) from the plasma membrane of cortical cells of transgenic seedlings of Arabidopsis thaliana ..
  12. Zhao X, Wang Y, Qiao X, Wang J, Wang L, Xu C, et al. Phototropins function in high-intensity blue light-induced hypocotyl phototropism in Arabidopsis by altering cytosolic calcium. Plant Physiol. 2013;162:1539-51 pubmed publisher
    ..Here, systematic analysis of phototropin-related mutants and overexpression transgenic lines revealed that HBL specifically induced a transient increase ..
  13. Nakasone Y, Eitoku T, Matsuoka D, Tokutomi S, Terazima M. Dynamics of conformational changes of Arabidopsis phototropin 1 LOV2 with the linker domain. J Mol Biol. 2007;367:432-42 pubmed
    Conformational changes of Arabidopsis phot1-LOV2 with the linker (phot1-LOV2-linker) were investigated from the viewpoint of the changes in molecular volume and molecular diffusion coefficient (D) by time-resolved transient grating (TG) ..
  14. Nakasone Y, Eitoku T, Zikihara K, Matsuoka D, Tokutomi S, Terazima M. Stability of dimer and domain-domain interaction of Arabidopsis phototropin 1 LOV2. J Mol Biol. 2008;383:904-13 pubmed publisher
    Transient grating signals after photoexcitation of Arabidopsis phototropin 1 light-oxygen-voltage 2 (phot1LOV2) domain without the linker were found to be very sensitive to temperature...
  15. Kashojiya S, Okajima K, Shimada T, Tokutomi S. Essential role of the A'α/Aβ gap in the N-terminal upstream of LOV2 for the blue light signaling from LOV2 to kinase in Arabidopsis photototropin1, a plant blue light receptor. PLoS ONE. 2015;10:e0124284 pubmed publisher
    b>Phototropin (phot) is a blue light (BL) receptor in plants and is involved in phototropism, chloroplast movement, stomata opening, etc...
  16. Halavaty A, Moffat K. Coiled-coil dimerization of the LOV2 domain of the blue-light photoreceptor phototropin 1 from Arabidopsis thaliana. Acta Crystallogr Sect F Struct Biol Cryst Commun. 2013;69:1316-21 pubmed publisher
    ..The dark-adapted state crystal structures of the Arabidopsis thaliana phototropin 1 and phototropin 2 LOV1-domain constructs flanked by an N-terminal A'? helix and the structure of the ..
  17. Endo M, Tanigawa Y, Murakami T, Araki T, Nagatani A. PHYTOCHROME-DEPENDENT LATE-FLOWERING accelerates flowering through physical interactions with phytochrome B and CONSTANS. Proc Natl Acad Sci U S A. 2013;110:18017-22 pubmed publisher
    ..Furthermore, in the presence of phyB under red light, PHL interacted with CO as well. Taken together, we propose that PHL regulates photoperiodic flowering by forming a phyB-PHL-CO tripartite complex. ..
  18. Suetsugu N, Kagawa T, Wada M. An auxilin-like J-domain protein, JAC1, regulates phototropin-mediated chloroplast movement in Arabidopsis. Plant Physiol. 2005;139:151-62 pubmed
    ..Together, these results suggest that JAC1 is an essential component of phototropin-mediated chloroplast movement.
  19. Nakasako M, Zikihara K, Matsuoka D, Katsura H, Tokutomi S. Structural basis of the LOV1 dimerization of Arabidopsis phototropins 1 and 2. J Mol Biol. 2008;381:718-33 pubmed publisher
    b>Phototropin (phot) is a blue-light receptor protein that triggers phototropic responses, chloroplast relocation, and stomata opening to maximize the efficiency of photosynthesis in higher plants...
  20. Kang B, Grancher N, Koyffmann V, Lardemer D, Burney S, Ahmad M. Multiple interactions between cryptochrome and phototropin blue-light signalling pathways in Arabidopsis thaliana. Planta. 2008;227:1091-9 pubmed publisher
    ..Specifically, in a phot1-deficient genetic background (phot1 mutant), curvature is reduced in the absence of cryptochromes, particularly at ..
  21. Ueno K, Kinoshita T, Inoue S, Emi T, Shimazaki K. Biochemical characterization of plasma membrane H+-ATPase activation in guard cell protoplasts of Arabidopsis thaliana in response to blue light. Plant Cell Physiol. 2005;46:955-63 pubmed
    Recent genetic analysis showed that phototropins (phot1 and phot2) function as blue light receptors in stomatal opening of Arabidopsis thaliana, but no biochemical evidence was provided for this...
  22. Chen X, Lin W, Wang Y, Luan S, Xue H. An inositol polyphosphate 5-phosphatase functions in PHOTOTROPIN1 signaling in Arabidopis by altering cytosolic Ca2+. Plant Cell. 2008;20:353-66 pubmed publisher
    ..independently from CRYPTOCHROME1 and CONSTITUTIVE PHOTOMORPHOGENIC1 but interacted functionally with PHOTOTROPIN1 (PHOT1)...
  23. Qi Y, Katagiri F. Purification of low-abundance Arabidopsis plasma-membrane protein complexes and identification of candidate components. Plant J. 2009;57:932-44 pubmed publisher
    ..We identified RIN4, a known RPS2 interactor, as well as other potential components of the RPS2 complex(es). Thus, the HPB tag method is suitable for the purification of low-abundance PM protein complexes. ..
  24. Christie J, Yang H, Richter G, Sullivan S, Thomson C, Lin J, et al. phot1 inhibition of ABCB19 primes lateral auxin fluxes in the shoot apex required for phototropism. PLoS Biol. 2011;9:e1001076 pubmed publisher
    ..auxin efflux transporter ATP-BINDING CASSETTE B19 (ABCB19) as a substrate target for the photoreceptor kinase PHOTOTROPIN 1 (phot1)...
  25. Kong S, Suetsugu N, Kikuchi S, Nakai M, Nagatani A, Wada M. Both phototropin 1 and 2 localize on the chloroplast outer membrane with distinct localization activity. Plant Cell Physiol. 2013;54:80-92 pubmed publisher
    ..Phototropins (phot1 and phot2 in Arabidopsis) are plant-specific blue light photoreceptors that perceive changes in light intensity ..
  26. Oide M, Okajima K, Kashojiya S, Takayama Y, Oroguchi T, Hikima T, et al. Blue Light-excited Light-Oxygen-Voltage-sensing Domain 2 (LOV2) Triggers a Rearrangement of the Kinase Domain to Induce Phosphorylation Activity in Arabidopsis Phototropin1. J Biol Chem. 2016;291:19975-84 pubmed publisher
    ..The interface between the domains is critical for signaling, suitably changing the structure to activate the kinase in response to conformational changes in the adjoining LOV2. ..
  27. Wang Y, M Folta K. Phototropin 1 and dim-blue light modulate the red light de-etiolation response. Plant Signal Behav. 2014;9:e976158 pubmed publisher
    ..hypocotyl growth inhibition can be reversed by addition of dim blue light through the action of phototropin 1 (phot1)...
  28. Harada A, Takemiya A, Inoue S, Sakai T, Shimazaki K. Role of RPT2 in leaf positioning and flattening and a possible inhibition of phot2 signaling by phot1. Plant Cell Physiol. 2013;54:36-47 pubmed publisher
    ..We conclude that RPT2 mediates leaf flattening and positioning in a phot1-dependent manner, and that phot1 may inhibit the phot2 signaling pathways. We discuss the functional role of RPT2 in phototropin signaling.
  29. Sullivan S, Takemiya A, Kharshiing E, Cloix C, Shimazaki K, Christie J. Functional characterization of Arabidopsis phototropin 1 in the hypocotyl apex. Plant J. 2016;88:907-920 pubmed publisher
    b>Phototropin (phot1) is a blue light-activated plasma membrane-associated kinase that acts as the principal photoreceptor for shoot phototropism in Arabidopsis in conjunction with the signalling component Non-Phototropic Hypocotyl 3 (NPH3)..
  30. Preuten T, Hohm T, Bergmann S, Fankhauser C. Defining the site of light perception and initiation of phototropism in Arabidopsis. Curr Biol. 2013;23:1934-8 pubmed publisher
    ..In grass seedlings, the site of phototropin-mediated light perception is distinct from the site of bending; however, in dicotyledonous plants (e.g...
  31. Lehmann P, Nöthen J, von Braun S, Bohnsack M, Mirus O, Schleiff E. Transitions of gene expression induced by short-term blue light. Plant Biol (Stuttg). 2011;13:349-61 pubmed publisher
    ..Three genes were identified as important for the latter process, namely PHOT1, PHOT2 and CHUP1. The former two phototropin blue light receptors act in perception of the blue light signal...
  32. Han I, Cho H, Moni A, Lee A, Briggs W. Investigations on the photoregulation of chloroplast movement and leaf positioning in Arabidopsis. Plant Cell Physiol. 2013;54:48-56 pubmed publisher
    We recently investigated the roles of the phototropin 1 (PHOT1) LOV (light, oxygen or voltage) domains in mediating phototropic curvature in transgenic Arabidopsis seedlings expressing either wild-type PHOT1 or PHOT1 with one or both LOV ..
  33. Kagawa T, Kimura M, Wada M. Blue light-induced phototropism of inflorescence stems and petioles is mediated by phototropin family members phot1 and phot2. Plant Cell Physiol. 2009;50:1774-85 pubmed publisher
    b>Phototropin family photoreceptors, phot1 and phot2, in Arabidopsis thaliana control the blue light (BL)-mediated phototropic responses of the hypocotyl, chloroplast relocation movement and stomatal opening...
  34. Marten H, Hedrich R, Roelfsema M. Blue light inhibits guard cell plasma membrane anion channels in a phototropin-dependent manner. Plant J. 2007;50:29-39 pubmed
    ..Blue light also inhibited plasma membrane anion channels in A. thaliana guard cells, but not in the phot1 phot2 double mutant...
  35. Katsura H, Zikihara K, Okajima K, Yoshihara S, Tokutomi S. Oligomeric structure of LOV domains in Arabidopsis phototropin. FEBS Lett. 2009;583:526-30 pubmed publisher
    Oligomeric structures of the four LOV domains in Arabidopsis phototropin1 (phot1) and 2 (phot2) were studied using crosslinking...
  36. Łabuz J, Hermanowicz P, Gabryś H. The impact of temperature on blue light induced chloroplast movements in Arabidopsis thaliana. Plant Sci. 2015;239:238-49 pubmed publisher
    ..The physiological role of the cold-enhancement of the avoidance response is explained in the context of phototropin levels, photochemical activities and signaling in the cell.
  37. Roberts D, Pedmale U, Morrow J, Sachdev S, Lechner E, Tang X, et al. Modulation of phototropic responsiveness in Arabidopsis through ubiquitination of phototropin 1 by the CUL3-Ring E3 ubiquitin ligase CRL3(NPH3). Plant Cell. 2011;23:3627-40 pubmed publisher
    ..response pathway have been identified in recent years, including the blue light (BL) receptors phototropin1 (phot1) and phot2, much remains unknown...
  38. Wan Y, Eisinger W, Ehrhardt D, Kubitscheck U, Baluska F, Briggs W. The subcellular localization and blue-light-induced movement of phototropin 1-GFP in etiolated seedlings of Arabidopsis thaliana. Mol Plant. 2008;1:103-17 pubmed publisher
    b>Phototropin 1 (phot1) is a photoreceptor for phototropism, chloroplast movement, stomatal opening, leaf expansion, and solar tracking in response to blue light...
  39. Demarsy E, Schepens I, Okajima K, Hersch M, Bergmann S, Christie J, et al. Phytochrome Kinase Substrate 4 is phosphorylated by the phototropin 1 photoreceptor. EMBO J. 2012;31:3457-67 pubmed publisher
    ..b>Phototropin 1 (phot1) is the primary low blue light-sensing receptor triggering phototropism in Arabidopsis...
  40. Takemiya A, Shimazaki K. Arabidopsis phot1 and phot2 phosphorylate BLUS1 kinase with different efficiencies in stomatal opening. J Plant Res. 2016;129:167-74 pubmed publisher
    In Arabidopsis thaliana, phototropins (phot1 and phot2), light-activated receptor kinases, redundantly regulate various photoresponses such as phototropism, chloroplast photorelocation movement, stomatal opening, and leaf flattening...
  41. Litthauer S, Battle M, Lawson T, Jones M. Phototropins maintain robust circadian oscillation of PSII operating efficiency under blue light. Plant J. 2015;83:1034-45 pubmed publisher
    ..As phototropins do not influence circadian gene expression in the nucleus our imaging methodology highlights differences between the modulation of circadian outputs in distinct subcellular compartments. ..
  42. Wang Y, Maruhnich S, Mageroy M, Justice J, Folta K. Phototropin 1 and cryptochrome action in response to green light in combination with other wavelengths. Planta. 2013;237:225-37 pubmed publisher
    ..The GL opposition of RL responses persists in phyA, phyB, cry1cry2 and phot2 mutants. The response requires phot1 and NPH3, suggesting that this is not a GL response, but instead a response to extremely low-fluence rate BL...
  43. Boccalandro H, Giordano C, Ploschuk E, Piccoli P, Bottini R, Casal J. Phototropins but not cryptochromes mediate the blue light-specific promotion of stomatal conductance, while both enhance photosynthesis and transpiration under full sunlight. Plant Physiol. 2012;158:1475-84 pubmed publisher
    Leaf epidermal peels of Arabidopsis (Arabidopsis thaliana) mutants lacking either phototropins 1 and 2 (phot1 and phot2) or cryptochromes 1 and 2 (cry1 and cry2) exposed to a background of red light show severely impaired stomatal ..
  44. Magerøy M, Kowalik E, Folta K, Shinkle J. Evidence of physiological phototropin1 (phot1) action in response to UV-C illumination. Plant Signal Behav. 2010;5:1204-10 pubmed
    ..Arabidopsis seedlings were used to assess the genetic mechanism of this response. The phot1 mutant exhibited defects in stem growth rate inhibition, with sustained growth inhibition completely absent ..
  45. Königer M, Jessen B, Yang R, Sittler D, Harris G. Light, genotype, and abscisic acid affect chloroplast positioning in guard cells of Arabidopsis thaliana leaves in distinct ways. Photosynth Res. 2010;105:213-27 pubmed publisher
    ..This was not the case for phot1-5/phot2-1 or phot2-1 plants, thus phototropins are essential for chloroplast positioning in guard cells...
  46. Nakasako M, Hirata M, Shimizu N, Hosokawa S, Matsuoka D, Oka T, et al. Crystallization and preliminary X-ray diffraction analysis [correction of anaylsis] of the LOV1 domains of phototropin 1 and 2 from Arabidopsis thaliana. Acta Crystallogr Sect F Struct Biol Cryst Commun. 2008;64:617-21 pubmed publisher
    ..Higher plants such as Arabidopsis thaliana have two isoforms of phototropin: phototropin 1 and phototropin 2...
  47. Petersen J, Inoue S, Kelly S, Sullivan S, Kinoshita T, Christie J. Functional characterization of a constitutively active kinase variant of Arabidopsis phototropin 1. J Biol Chem. 2017;292:13843-13852 pubmed publisher
    ..Here we report that histidine substitution of Arg-472 located within the A'?-helix of Arabidopsis phot1 constitutively activates phot1 kinase activity in vitro without affecting LOV2 photochemistry...
  48. Okajima K, Kashojiya S, Tokutomi S. Photosensitivity of kinase activation by blue light involves the lifetime of a cysteinyl-flavin adduct intermediate, S390, in the photoreaction cycle of the LOV2 domain in phototropin, a plant blue light receptor. J Biol Chem. 2012;287:40972-81 pubmed publisher
    b>Phototropin (phot) is a light-regulated protein kinase that mediates a variety of photoresponses in plants, such as phototropism, chloroplast positioning, and stomata opening...
  49. Kozuka T, Suetsugu N, Wada M, Nagatani A. Antagonistic regulation of leaf flattening by phytochrome B and phototropin in Arabidopsis thaliana. Plant Cell Physiol. 2013;54:69-79 pubmed publisher
    ..Interestingly, the curled-leaf phenotype in a phototropin-deficient mutant was almost completely suppressed by the phyB mutation as well as by EODFR...
  50. Okajima K, Matsuoka D, Tokutomi S. LOV2-linker-kinase phosphorylates LOV1-containing N-terminal polypeptide substrate via photoreaction of LOV2 in Arabidopsis phototropin1. FEBS Lett. 2011;585:3391-5 pubmed publisher
    b>Phototropin is a blue light receptor in plants and is thought to be a light-regulated protein kinase...
  51. Ichikawa S, Yamada N, Suetsugu N, Wada M, Kadota A. Red light, Phot1 and JAC1 modulate Phot2-dependent reorganization of chloroplast actin filaments and chloroplast avoidance movement. Plant Cell Physiol. 2011;52:1422-32 pubmed publisher
    The phototropin (phot)-dependent intracellular relocation of chloroplasts is a ubiquitous phenomenon in plants. We have previously revealed the involvement of a short cp-actin (chloroplast actin) filament-based mechanism in this movement...
  52. Moni A, Lee A, Briggs W, Han I. The blue light receptor Phototropin 1 suppresses lateral root growth by controlling cell elongation. Plant Biol (Stuttg). 2015;17:34-40 pubmed publisher
    We investigated the relationship between the blue light receptor phototropin 1 (phot1) and lateral root growth in Arabidopsis thaliana seedlings...