1. Zheng Z, Yang Z: The Rop GTPase: an emerging signaling switch in plants. Plant Mol Biol 2000, 44(1):1-9.
2. Akamatsu A, Uno K, Kato M, Wong HL, Shimamoto K, Kawano Y: New insights into the dimerization of small GTPase Rac/ROP guanine nucleotide exchange factors in rice. Plant signaling & behavior 2015, 10(7):e1044702.
3. Molendijk AJ, Bischoff F, Rajendrakumar CS, Friml J, Braun M, Gilroy S, Palme K: Arabidopsis thaliana Rop GTPases are localized to tips of root hairs and control polar growth. EMBO J 2001, 20(11):2779-2788.
4. Anonymous Proceedings of the Seminars in Cell & Developmental Biology: Elsevier; 2011.
5. Luo N, Yan A, Liu G, Guo J, Rong D, Kanaoka MM, Xiao Z, Xu G, Higashiyama T, Cui X: Exocytosis-coordinated mechanisms for tip growth underlie pollen tube growth guidance. Nature communications 2017, 8(1):1687.
6. Feiguelman G, Fu Y, Yalovsky S: ROP GTPases Structure-Function and Signaling Pathways. Plant Physiol 2018, 176(1):57-79.
7. Berken A, Wittinghofer A: Structure and function of Rho-type molecular switches in plants. Plant Physiology and Biochemistry 2008, 46(3):380-393.
8. Gu Y, Li S, Lord EM, Yang Z: Members of a novel class of Arabidopsis Rho guanine nucleotide exchange factors control Rho GTPase-dependent polar growth. Plant Cell 2006, 18(2):366-381.
9. Berken A, Thomas C, Wittinghofer A: A new family of RhoGEFs activates the Rop molecular switch in plants. Nature 2005, 436(7054):1176.
10. Li Z, Liu D: ROPGEF1 and ROPGEF4 are functional regulators of ROP11 GTPase in ABA‐mediated stomatal closure in Arabidopsis. FEBS Lett 2012, 586(9):1253-1258.
11. Li Z, Waadt R, Schroeder JI: Release of GTP exchange factor mediated down-regulation of abscisic acid signal transduction through ABA-induced rapid degradation of RopGEFs. PLoS biology 2016, 14(5):e1002461.
12. Liu Y, Dong Q, Kita D, Huang JB, Liu G, Wu X, Zhu X, Cheung AY, Wu HM, Tao LZ: RopGEF1 Plays a Critical Role in Polar Auxin Transport in Early Development. Plant Physiol 2017, 175(1):157-171.
13. Zhang Y, McCormick S: A distinct mechanism regulating a pollen-specific guanine nucleotide exchange factor for the small GTPase Rop in Arabidopsis thaliana. Proc Natl Acad Sci U S A 2007, 104(47):18830-18835.
14. Kim HU, Cotter R, Johnson S, Senda M, Dodds P, Kulikauskas R, Tang W, Ezcurra I, Herzmark P, McCormick S: New pollen-specific receptor kinases identified in tomato, maize and Arabidopsis: the tomato kinases show overlapping but distinct localization patterns on pollen tubes. Plant Mol Biol 2002, 50(1):1-16.
15. Tang W, Kelley D, Ezcurra I, Cotter R, McCormick S: LeSTIG1, an extracellular binding partner for the pollen receptor kinases LePRK1 and LePRK2, promotes pollen tube growth in vitro. The Plant Journal 2004, 39(3):343-353.
16. Chang F, Gu Y, Ma H, Yang Z: AtPRK2 promotes ROP1 activation via RopGEFs in the control of polarized pollen tube growth. Molecular plant 2013, 6(4):1187-1201.
17. Yu Y, Song J, Tian X, Zhang H, Li L, Zhu H: Arabidopsis PRK6 interacts specifically with AtRopGEF8/12 and induces depolarized growth of pollen tubes when overexpressed. Science China Life Sciences 2018, 61(1):100-112.
18. Wei LQ, Xu WY, Deng ZY, Su Z, Xue Y, Wang T: Genome-scale analysis and comparison of gene expression profiles in developing and germinated pollen in Oryza sativa. BMC Genomics 2010, 11(1):338.
19. Craddock C, Lavagi I, Yang Z: New insights into Rho signaling from plant ROP/Rac GTPases. Trends Cell Biol 2012, 22(9):492-501.
20. Duan Q, Kita D, Li C, Cheung AY, Wu HM: FERONIA receptor-like kinase regulates RHO GTPase signaling of root hair development. Proc Natl Acad Sci U S A 2010, 107(41):17821-17826.
21. Nibau C, Cheung A: New insights into the functional roles of CrRLKs in the control of plant cell growth and development. Plant signaling & behavior 2011, 6(5):655-659.
22. Kessler SA, Shimosato-Asano H, Keinath NF, Wuest SE, Ingram G, Panstruga R, Grossniklaus U: Conserved molecular components for pollen tube reception and fungal invasion. Science 2010, 330(6006):968-971.
23. Jamin A, Yang Z: Interactions between calcium and ROP signaling regulate pollen tube tip growth. In Coding and Decoding of Calcium Signals in Plants. Edited by Anonymous Springer; 2011:25-39.
24. Kawasaki T, Imai K, Wong HL, Kawano Y, Nishide K, Okuda J, Shimamoto K: Rice guanine nucleotide exchange factors for small GTPase OsRac1 involved in innate immunity of rice. In Advances in Genetics, Genomics and Control of Rice Blast Disease. Edited by Anonymous Springer; 2009:179-184.
25. Kawasaki T, Henmi K, Ono E, Hatakeyama S, Iwano M, Satoh H, Shimamoto K: The small GTP-binding protein rac is a regulator of cell death in plants. Proc Natl Acad Sci U S A 1999, 96(19):10922-10926.
26. Liu J, Park CH, He F, Nagano M, Wang M, Bellizzi M, Zhang K, Zeng X, Liu W, Ning Y: The RhoGAP SPIN6 associates with SPL11 and OsRac1 and negatively regulates programmed cell death and innate immunity in rice. PLoS pathogens 2015, 11(2):e1004629.
27. Kosami K, Ohki I, Nagano M, Furuita K, Sugiki T, Kawano Y, Kawasaki T, Fujiwara T, Nakagawa A, Shimamoto K, Kojima C: The crystal structure of the plant small GTPase OsRac1 reveals its mode of binding to NADPH oxidase. J Biol Chem 2014, 289(41):28569-28578.
28. Yoo J, Park J, Cho S, Yoo S, Li J, Zhang H, Kim K, Koh H, Paek N: The rice bright green leaf (bgl) locus encodes OsRopGEF10, which activates the development of small cuticular papillae on leaf surfaces. Plant Mol Biol 2011, 77(6):631-641.
29. Huang J, Liu H, Berberich T, Liu Y, Tao L, Liu T: Guanine Nucleotide Exchange Factor 7B (RopGEF7B) is involved in floral organ development in Oryza sativa. Rice 2018, 11(1):42.
30. Kim Y, Zhang D, Jung K: Molecular Basis of Pollen Germination in Cereals. Trends Plant Sci 2019, .
31. Moon S, Oo MM, Kim B, Koh H, Oh SA, Yi G, An G, Park SK, Jung K: Genome-wide analyses of late pollen-preferred genes conserved in various rice cultivars and functional identification of a gene involved in the key processes of late pollen development. Rice 2018, 11:1-14.
32. Thomas C, Fricke I, Scrima A, Berken A, Wittinghofer A: Structural evidence for a common intermediate in small G protein-GEF reactions. Mol Cell 2007, 25(1):141-149.
33. Runions J, Brach T, Kühner S, Hawes C: Photoactivation of GFP reveals protein dynamics within the endoplasmic reticulum membrane. J Exp Bot 2005, 57(1):43-50.
34. Shi Y, Liu H, Gao Y, Wang Y, Wu M, Xiang Y: Genome-wide identification of growth-regulating factors in moso bamboo (Phyllostachys edulis): in silico and experimental analyses. PeerJ 2019, 7:e7510.
35. Manimaran P, Reddy MR, Rao TB, Mangrauthia SK, Sundaram R, Balachandran S: Identification of cis-elements and evaluation of upstream regulatory region of a rice anther-specific gene, OSIPP3, conferring pollen-specific expression in Oryza sativa (L.) ssp. indica. Plant reproduction 2015, 28(3-4):133-142.
36. Liu L, Zheng C, Kuang B, Wei L, Yan L, Wang T: Receptor-like kinase RUPO interacts with potassium transporters to regulate pollen tube growth and integrity in rice. PLoS genetics 2016, 12(7):e1006085.
37. Shin DH, Kim T, Kwon Y, Cho M, Yoo J, Jeon J, Hahn T, Bhoo SH: Characterization of Arabidopsis RopGEF family genes in response to abiotic stresses. Plant Biotechnology Reports 2009, 3(3):183-190.
38. Xie K, Minkenberg B, Yang Y: Boosting CRISPR/Cas9 multiplex editing capability with the endogenous tRNA-processing system. Proc Natl Acad Sci U S A 2015, 112(11):3570-3575.
39. Yang Z: Cell polarity signaling in Arabidopsis. Annu Rev Cell Dev Biol 2008, 24:551-575.
40. Jaffe AB, Hall A: Rho GTPases: biochemistry and biology. Annu Rev Cell Dev Biol 2005, 21:247-269.
41. Hwang J, Vernoud V, Szumlanski A, Nielsen E, Yang Z: A tip-localized RhoGAP controls cell polarity by globally inhibiting Rho GTPase at the cell apex. Current Biology 2008, 18(24):1907-1916.
42. Li H, Luo N, Wang W, Liu Z, Chen J, Zhao L, Tan L, Wang C, Qin Y, Li C: The REN4 rheostat dynamically coordinates the apical and lateral domains of Arabidopsis pollen tubes. Nature communications 2018, 9(1):2573.
43. Li H, Lin Y, Heath RM, Zhu MX, Yang Z: Control of pollen tube tip growth by a Rop GTPase-dependent pathway that leads to tip-localized calcium influx. Plant Cell 1999, 11(9):1731-1742.
44. Kost B, Lemichez E, Spielhofer P, Hong Y, Tolias K, Carpenter C, Chua NH: Rac homologues and compartmentalized phosphatidylinositol 4, 5-bisphosphate act in a common pathway to regulate polar pollen tube growth. J Cell Biol 1999, 145(2):317-330.
45. Thomas C, Fricke I, Weyand M, Berken A: 3D structure of a binary ROP-PRONE complex: the final intermediate for a complete set of molecular snapshots of the RopGEF reaction. Biol Chem 2009, 390(5/6):427-435.
46. Löcke S, Fricke I, Mucha E, Humpert M, Berken A: Interactions in the pollen-specific receptor-like kinases-containing signaling network. Eur J Cell Biol 2010, 89(12):917-923.
47. Li E, Cui Y, Ge F, Chai S, Zhang W, Feng Q, Jiang L, Li S, Zhang Y: AGC1. 5 kinase phosphorylates RopGEFs to control pollen tube growth. Molecular plant 2018, 11(9):1198-1209.
48. Philipp D, Reichelt A, Schmidt VAF, Mehlhorn DG, Asseck LY, Stanley CE, Keinath NF, Evers JF, Grefen C, Grossmann G: Distinct ROPGEFs successively drive polarization and outgrowth of root hairs. bioRxiv 2019, :534545.
49. Thompson JD, Gibson TJ, Higgins DG: Multiple sequence alignment using ClustalW and ClustalX. Current protocols in bioinformatics 2003, (1):2.3. 1-2.3. 22.
50. Kumar S, Stecher G, Tamura K: MEGA7: molecular evolutionary genetics analysis version 7.0 for bigger datasets. Mol Biol Evol 2016, 33(7):1870-1874.
51. Hong W, Kim Y, Chandran AKN, Jung K: Infrastructures of systems biology that facilitate functional genomic study in rice. Rice 2019, 12(1):15.
52. Nguyen Q, Lee Y, Cho L, Jeong H, An G, Jung K: Genome-wide identification and analysis of Catharanthus roseus RLK1-like kinases in rice. Planta 2015, 241(3):603-613.
53. Yuan G, Wang Y, Yuan S, Wang P, Duan W, Bai J, Sun H, Wang N, Zhang F, Zhang L: Functional analysis of wheat TaPaO1 gene conferring pollen sterility under low temperature. Journal of Plant Biology 2018, 61(1):25-32.
54. Kim S, Moon J, Roh J, Kim S: Castasterone Can be Biosynthesized from 28-homodolichosterone in Arabidopsis thaliana. Journal of plant biology 2018, 61(5):330-335.
55. Vo KTX, Kim C, Chandran AKN, Jung K, An G, Jeon J: Molecular insights into the function of ankyrin proteins in plants. Journal of plant biology 2015, 58(5):271-284.
56. Moon S, Jung K: Genome-wide expression analysis of rice ABC transporter family across spatio-temporal samples and in response to abiotic stresses. J Plant Physiol 2014, 171(14):1276-1288.
57. Arnold K, Bordoli L, Kopp J, Schwede T: The SWISS-MODEL workspace: a web-based environment for protein structure homology modelling. Bioinformatics 2006, 22(2):195-201.
58. Pettersen EF, Goddard TD, Huang CC, Couch GS, Greenblatt DM, Meng EC, Ferrin TE: UCSF Chimera—a visualization system for exploratory research and analysis. Journal of computational chemistry 2004, 25(13):1605-1612.
59. Higo K, Ugawa Y, Iwamoto M, Korenaga T: Plant cis-acting regulatory DNA elements (PLACE) database: 1999. Nucleic Acids Res 1999, 27(1):297-300.
60. Bailey TL, Boden M, Buske FA, Frith M, Grant CE, Clementi L, Ren J, Li WW, Noble WS: MEME SUITE: tools for motif discovery and searching. Nucleic Acids Res 2009, 37(suppl_2):W202-W208.
61. Sparkes IA, Runions J, Kearns A, Hawes C: Rapid, transient expression of fluorescent fusion proteins in tobacco plants and generation of stably transformed plants. Nature protocols 2006, 1(4):2019.
62. Naito Y, Hino K, Bono H, Ui-Tei K: CRISPRdirect: software for designing CRISPR/Cas guide RNA with reduced off-target sites. Bioinformatics 2014, 31(7):1120-1123.
63. Lee S, Shon Y, Lee SI, Kim CY, Koo JC, Lim CO, Choi YJ, Han C, Chung CH, Ryong Choe Z: Cultivar variability in the Agrobacterium‐rice cell interaction and plant regeneration. Physiol Plantarum 1999, 107(3):338-345.