Publications

1.          Knoblauch, M., and van Bel, A.J.E. (1998). Sieve tubes in action. Plant Cell 10, 35-50. DOI 10.1105/tpc.10.1.35.

2.          Kempers, R., Prior, D.A.M., Oparka, K.J., Knoblauch, M., and van Bel, A.J.E. (1999). Integration of controlled intracellular pressure microinjection, iontophoresis, and membrane potential measurement. Plant Biology 1, 61-67. DOI 10.1111/j.1438-8677.1999.tb00709.x.

3.          Knoblauch, M., Hibberd, J.M., Gray, J.C., and van Bel, A.J.E. (1999). A galinstan expansion femtosyringe for microinjection of eukaryotic organelles and prokaryotes. Nat Biotechnol 17, 906-909. Doi 10.1038/12902.

4.          Vierheilig, H., Böckenhoff, A., Knoblauch, M., Juge, C., Van Bel, A.J.E., Grundler, F., Piché, Y., and Wyss, U. (1999). In vivo observations of the arbuscular mycorrhizal fungus Glomus mosseae in roots by confocal laser scanning microscopy. Mycol Res 103, 311-314. Doi 10.1017/S0953756298007576.

5.          Ehlers, K., Knoblauch, M., and van Bel, A.J.E. (2000). Ultrastructural features of well-preserved and injured sieve elements: minute clamps keep the phloem transport conduits free for mass flow. Protoplasma 214, 80-92. Doi 10.1007/Bf02524265.

6.          van Bel, A.J.E., and Knoblauch, M. (2000). Sieve element and companion cell: the story of the comatose patient and the hyperactive nurse. Aust J Plant Physiol 27, 477-487. 10.1071/Pp99172.

7.          Knoblauch, M., Peters, W.S., Ehlers, K., and van Bel, A.J.E. (2001). Reversible calcium-regulated stopcocks in legume sieve tubes. Plant Cell 13, 1221-1230. DOI 10.1105/tpc.13.5.1221.

8.          van Bel, A.J.E., Hibberd, J., Prüfer, D., and Knoblauch, M. (2001). Novel approach in plastid transformation. Curr Opin Biotech 12, 144-149. Doi 10.1016/S0958-1669(00)00189-0.

9.          Vierheilig, H., Knoblauch, M., Juergensen, K., van Bel, A.J.E., Grundler, F.M.W., and Piché, Y. (2001). Imaging arbuscular mycorrhizal structures in living roots of Nicotiana tabacum by light, epifluorescence, and confocal laser scanning microscopy. Can J Bot 79, 231-237. DOI 10.1139/b00-156.

10.        Scholz, S.R., Korn, C., Gimadutdinow, O., Knoblauch, M., Pingoud, A., and Meiss, G. (2002). The effect of ICAD-S on the formation and intracellular distribution of a nucleolytically active caspase-activated DNase. Nucleic Acids Res 30, 3045-3051. DOI 10.1093/nar/gkf431.

11.        van Bel, A.J.E., Ehlers, K., and Knoblauch, M. (2002). Sieve elements caught in the act. Trends Plant Sci 7, 126-132. Pii S1360-1385(01)02225-7Doi 10.1016/S1360-1385(01)02225-7.

12.        Knoblauch, M., Noll, G.A., Müller, T., Prüfer, D., Schneider-Hüther, I., Scharner, D., Van Bel, A.J.E., and Peters, W.S. (2003). ATP-independent contractile proteins from plants. Nat Mater 2, 600-603. 10.1038/nmat960.

13.        Knoblauch, M., Noll, G.A., Van Bel, A.J.E., Prüfer, D., and Peters, W.S. (2003). Forisomes consist of a novel class of contractile proteins. Eur J Cell Biol 82, 70-71.

14.        Knoblauch, M., and Peters, W.S. (2004). Biomimetic actuators: where technology and cell biology merge. Cellular and Molecular Life Sciences 61, 2497-2509. 10.1007/s00018-004-4158-0.

15.        Knoblauch, M., and Peters, W.S. (2004). Forisomes, a novel type of Ca-dependent contractile protein motor. Cell Motil Cytoskel 58, 137-142. 10.1002/cm.20006.

16.        Peters, W.S., van Bel, A.J.E., and Knoblauch, M. (2006). The geometry of the forisome-sieve element-sieve plate complex in the phloem of Vicia faba L. leaflets. J Exp Bot 57, 3091-3098. 10.1093/jxb/erl072.

17.        Pickard, W.F., Knoblauch, M., Peters, W.S., and Shen, A.Q. (2006). Prospective energy densities in the forisome, a new smart material. Mat Sci Eng C-Bio S 26, 104-112. 10.1016/j.msec.2005.06.055.

18.        Shen, A.Q., Hamlington, B.D., Knoblauch, M., Peters, W.S., and Pickard, W.F. (2006). Forisome based biomimetic smart materials. Smart Struct Syst 2, 225-235. DOI 10.12989/sss.2006.2.3.225.

19.        McCluskey, M.D., Riley, B.D., Perenchio, A.M., and Knoblauch, M. (2007). Confocal microscopy of water under static pressure. Aip Conf Proc 955, 1109-+.

20.        Noll, G.A., Fontanellaz, M.E., Rüping, B., Ashoub, A., van Bel, A.J.E., Fischer, R., Knoblauch, M., and Prüfer, D. (2007). Spatial and temporal regulation of the forisome gene for1 in the phloem during plant development. Plant Mol Biol 65, 285-294. 10.1007/s11103-007-9217-0.

21.        Peters, W.S., Knoblauch, M., Warmann, S.A., Schnetter, R., Shen, A.Q., and Pickard, W.F. (2007). Tailed forisomes of Canavalia gladiata: A new model to study Ca-driven protein contractility. Ann Bot-London 100, 101-109. 10.1093/aob/mcm080.

22.        Peters, W.S., Schnetter, R., and Knoblauch, M. (2007). Reversible birefringence suggests a role for molecular self-assembly in forisome contractility. Funct Plant Biol 34, 302-306. 10.1071/Fp06281.

23.        Schulze-Makuch, D., Houtkooper, J.M., Knoblauch, M., Furfaro, R., Fink, W., Fairen, A.G., Vali, H., Head, J.N., Lim, D.S.S., Dohm, J., et al. (2007). The Biological Oxidant and Life Detection (BOLD) Mission: An outline for a new mission to Mars. Proc Spie 6694. Artn 66940o10.1117/12.732155.

24.        Pelissier, H.C., Peters, W.S., Collier, R., van Bel, A.J.E., and Knoblauch, M. (2008). GFP Tagging of Sieve Element Occlusion (SEO) Proteins Results in Green Fluorescent Forisomes. Plant Cell Physiol 49, 1699-1710. 10.1093/pcp/pcn141.

25.        Peters, W.S., Knoblauch, M., Warmann, S.A., Pickard, W.F., and Shen, A.Q. (2008). Anisotropic contraction in forisomes: Simple models won’t fit. Cell Motil Cytoskel 65, 368-378. 10.1002/cm.20266.

26.        Park, J., Knoblauch, M., Okita, T., and Edwards, G. (2009). Structural changes in the vacuole and cytoskeleton are key to development of the two cytoplasmic domains supporting single-cell C-4 photosynthesis in Bienertia sinuspersici. Planta 229, 369-382. 10.1007/s00425-008-0836-8.

27.        Knoblauch, M., and Peters, W.S. (2010). Munch, morphology, microfluidics – our structural problem with the phloem. Plant Cell Environ 33, 1439-1452. 10.1111/j.1365-3040.2010.02177.x.

28.        Mullendore, D.L., Windt, C.W., Van As, H., and Knoblauch, M. (2010). Sieve Tube Geometry in Relation to Phloem Flow. Plant Cell 22, 579-593. 10.1105/tpc.109.070094.

29.        Peters, W.S., Haffer, D., Hanakam, C.B., van Bel, A.J.E., and Knoblauch, M. (2010). Legume Phylogeny and the Evolution of a Unique Contractile Apparatus That Regulates Phloem Transport. Am J Bot 97, 797-808. 10.3732/ajb.0900328.

30.        Froelich, D.R., Mullendore, D.L., Jensen, K.H., Ross-Elliott, T.J., Anstead, J.A., Thompson, G.A., Pélissier, H.C., and Knoblauch, M. (2011). Phloem Ultrastructure and Pressure Flow: Sieve-Element-Occlusion-Related Agglomerations Do Not Affect Translocation. Plant Cell 23, 4428-4445. 10.1105/tpc.111.093179.

31.        Nair, S., Knoblauch, M., Ullrich, S., and Baik, B.K. (2011). Microstructure of hard and soft kernels of barley. J Cereal Sci 54, 354-362. 10.1016/j.jcs.2011.06.014.

32.        van Bel, A.J.E., Furch, A.C.U., Hafke, J.B., Knoblauch, M., and Patrick, J.W. (2011). (Questions) on phloem biology. 2. Mass flow, molecular hopping, distribution patterns and macromolecular signalling. Plant Sci 181, 325-330. 10.1016/j.plantsci.2011.05.008.

33.        van Bel, A.J.E., Knoblauch, M., Furch, A.C.U., and Hafke, J.B. (2011). (Questions) on phloem biology. 1. Electropotential waves, Ca fluxes and cellular cascades along the propagation pathway. Plant Sci 181, 210-218. 10.1016/j.plantsci.2011.05.010.

34.        Anstead, J.A., Froelich, D.R., Knoblauch, M., and Thompson, G.A. (2012). Arabidopsis P-Protein Filament Formation Requires Both AtSEOR1 and AtSEOR2. Plant Cell Physiol 53, 1033-1042. 10.1093/pcp/pcs046.

35.        Jensen, K.H., Mullendore, D.L., Holbrook, N.M., Bohr, T., Knoblauch, M., and Bruus, H. (2012). Modeling the hydrodynamics of phloem sieve plates. Front Plant Sci 3. ARTN 15110.3389/fpls.2012.00151.

36.        Knoblauch, M., and Oparka, K. (2012). The structure of the phloem – still more questions than answers. Plant J 70, 147-156. 10.1111/j.1365-313X.2012.04931.x.

37.        Knoblauch, M., Stubenrauch, M., Van Bel, A.J.E., and Peters, W.S. (2012). Forisome performance in artificial sieve tubes. Plant Cell Environ 35, 1419-1427. 10.1111/j.1365-3040.2012.02499.x.

38.        Schulze-Makuch, D., Head, J.N., Houtkooper, J.M., Knoblauch, M., Furfaro, R., Fink, W., Fairén, A.G., Vali, H., Sears, S.K., Daly, M., et al. (2012). The Biological Oxidant and Life Detection (BOLD) mission: A proposal for a mission to Mars. Planet Space Sci 67, 57-69. 10.1016/j.pss.2012.03.008.

39.        Knoblauch, M., and Peters, W.S. (2013). Long-distance translocation of photosynthates: a primer. Photosynth Res 117, 189-196. 10.1007/s11120-013-9867-5.

40.        Beecher, S., Knoblauch, M., and Jensen, K. (2014). Using fluorescence recovery after photo bleaching to calculate viscosity and velocity in the phloem sap of roots. Faseb J 28.

41.        Dettmer, J., Ursache, R., Campilho, A., Miyashima, S., Belevich, I., O’Regan, S., Mullendore, D.L., Yadav, S.R., Lanz, C., Beverina, L., et al. (2014). CHOLINE TRANSPORTER-LIKE1 is required for sieve plate development to mediate long-distance cell-to-cell communication. Nature Communications 5. ARTN 427610.1038/ncomms5276.

42.        Dinh, P.T.Y., Knoblauch, M., and Elling, A.A. (2014). Nondestructive Imaging of Plant-Parasitic Nematode Development and Host Response to Nematode Pathogenesis. Phytopathology 104, 497-506. 10.1094/Phyto-08-13-0240-R.

43.        Knoblauch, J., Mullendore, D.L., Jensen, K.H., and Knoblauch, M. (2014). Pico Gauges for Minimally Invasive Intracellular Hydrostatic Pressure Measurements. Plant Physiology 166, 1271-1279. 10.1104/pp.114.245746.

44.        Knoblauch, M., Froelich, D.R., Pickard, W.F., and Peters, W.S. (2014). SEORious business: structural proteins in sieve tubes and their involvement in sieve element occlusion. J Exp Bot 65, 1879-1893. 10.1093/jxb/eru071.

45.        Knoblauch, M., Vendrell, M., de Leau, E., Paterlini, A., Knox, K., Ross-Elliot, T., Reinders, A., Brockman, S.A., Ward, J., and Oparka, K. (2015). Multispectral Phloem-Mobile Probes: Properties and Applications. Plant Physiology 167, 1211-1220. 10.1104/pp.114.255414.

46.        Knoblauch, J., Drobnitch, S.T., Peters, W.S., and Knoblauch, M. (2016). microscopy reveals reversible cell wall swelling in kelp sieve tubes: one mechanism for turgor generation and flow control? Plant Cell Environ 39, 1727-1736. 10.1111/pce.12736.

47.        Knoblauch, J., Peters, W.S., and Knoblauch, M. (2016). The gelatinous extracellular matrix facilitates transport studies in kelp: visualization of pressure-induced flow reversal across sieve plates. Ann Bot-London 117, 599-606. 10.1093/aob/mcw007.

48.        Knoblauch, M., Knoblauch, J., Mullendore, D.L., Savage, J.A., Babst, B.A., Beecher, S.D., Dodgen, A.C., Jensen, K.H., and Holbrook, N.M. (2016). Testing the Munch hypothesis of long distance phloem transport in plants. eLife 5. ARTN e1534110.7554/eLife.15341.

49.        Knoblauch, M., and Peters, W.S. (2016). Think outside the sieve element! Plant Cell Environ 39, 707-708. 10.1111/pce.12698.

50.        Knoblauch, M., and Peters, W.S. (2017). What actually is the Munch hypothesis? A short history of assimilate transport by mass flow. Journal of Integrative Plant Biology 59, 292-310. 10.1111/jipb.12532.

51.        Nathel, N.F., Piunova, V., Hedrick, J., and Knoblauch, M. (2017). Polymer-based therapy for the mitigation of plant pathogens. Abstr Pap Am Chem S 254.

52.        Piunova, V., Hedrick, J., Prill, R., Wallraff, G., and Knoblauch, M. (2017). Protecting plants with plastic: Application of antimicrobial polymers in agriculture. Abstr Pap Am Chem S 254.

53.        Ross-Elliott, T.J., Jensen, K.H., Haaning, K.S., Wagner, B.M., Knoblauch, J., Howell, A.H., Mullendore, D.L., Monteith, A.G., Paultre, D., Yan, D.W., et al. (2017). Phloem unloading in Arabidopsis roots is convective and regulated by the phloem pole pericycle. eLife 6. ARTN e2412510.7554/eLife.24125.001.

54.        Savage, J.A., Beecher, S.D., Clerx, L., Gersony, J.T., Knoblauch, J., Losada, J.M., Jensen, K.H., Knoblauch, M., and Holbrook, N.M. (2017). Maintenance of carbohydrate transport in tall trees. Nat Plants 3, 965-972. 10.1038/s41477-017-0064-y.

55.        Holbrook, N.M., and Knoblauch, M. (2018). Editorial overview: Physiology and metabolism: Phloem: a supracellular highway for the transport of sugars, signals, and pathogens. Current Opinion in Plant Biology 43, Iii-Vii. 10.1016/j.pbi.2018.05.013.

56.        Knoblauch, M., Peters, W.S., Bell, K., Ross-Elliott, T.J., and Oparka, K.J. (2018). Sieve-element differentiation and phloem sap contamination. Current Opinion in Plant Biology 43, 43-49. 10.1016/j.pbi.2017.12.008.

57.        Mullendore, D.L., Ross-Elliott, T., Liu, Y., Hellmann, H.H., Roalson, E.H., Peters, W.S., and Knoblauch, M. (2018). Non-dispersive phloem-protein bodies (NPBs) of Populus trichocarpa consist of a SEOR protein and do not respond to cell wounding and Ca2+. Peerj 6. ARTN e466510.7717/peerj.4665.

58.        Novikova, I.V., Sharma, N., Moser, T., Sontag, R., Liu, Y., Collazo, M.J., Cascio, D., Shokuhfar, T., Hellmann, H., and Knoblauch, M. (2018). Protein structural biology using cell-free platform from wheat germ. Advanced structural and chemical imaging 4, 13.

59.        Voss, L.J., McAdam, S.A.M., Knoblauch, M., Rathje, J.M., Brodribb, T., Hedrich, R., and Roelfsema, M.R.G. (2018). Guard cells in fern stomata are connected by plasmodesmata, but control cytosolic Ca2+ levels autonomously. New Phytol 219, 206-215. 10.1111/nph.15153.

60.        Mehdi, R., Lamm, C.E., Anjanappa, R.B., Müdsam, C., Saeed, M., Klima, J., Kraner, M.E., Ludewig, F., Knoblauch, M., Gruissem, W., et al. (2019). Symplasmic phloem unloading and radial post-phloem transport via vascular rays in tuberous roots of. J Exp Bot 70, 5559-5573. 10.1093/jxb/erz297.

61.        Yan, D.W., Yadav, S.R., Paterlini, A., Nicolas, W.J., Petit, J.D., Brocard, L., Belevich, I., Grison, M.S., Vaten, A., Karami, L., et al. (2019). Sphingolipid biosynthesis modulates plasmodesmal ultrastructure and phloem unloading. Nat Plants 5, 604-615. 10.1038/s41477-019-0429-5.

62.        Howell, A.H., Peters, W.S., and Knoblauch, M. (2020). The diffusive injection micropipette (DIMP). Journal of Plant Physiology 244. ARTN 15306010.1016/j.jplph.2019.153060.

63.        Knoblauch, J., Knoblauch, M., Vasina, V.V., and Peters, W.S. (2020). Sieve elements rapidly develop ‘nacreous walls’ following injury – a common wounding response? Plant J 102, 797-808. 10.1111/tpj.14665.

64.        Liu, Y., Peters, W.S., Froelich, D.R., Howell, A.H., Mooney, S., Evans, J.E., Hellmann, H.A., and Knoblauch, M. (2020). Aspartate Residues in a Forisome-Forming SEO Protein Are Critical for Protein Body Assembly and Ca2+ Responsiveness. Plant Cell Physiol 61, 1699-1710. 10.1093/pcp/pcaa093.

65.        Julius, B.T., McCubbin, T.J., Mertz, R.A., Baert, N., Knoblauch, J., Grant, D.G., Conner, K., Bihmidine, S., Chomet, P., Wagner, R., et al. (2021). Maize Brittle Stalk2-Like3, encoding a COBRA protein, functions in cell wall formation and carbohydrate partitioning. Plant Cell 33, 3348-3366. 10.1093/plcell/koab193.

66.        Karimi, S.M., Freund, M., Wager, B.M., Knoblauch, M., Fromm, J., Mueller, H.M., Ache, P., Krischke, M., Mueller, M.J., Müller, T., et al. (2021). Under salt stress guard cells rewire ion transport and abscisic acid signaling. New Phytol 231, 1040-1055. 10.1111/nph.17376.

67.        Peters, W.S., Jensen, K.H., Stone, H.A., and Knoblauch, M. (2021). Plasmodesmata and the problems with size: Interpreting the confusion. Journal of Plant Physiology 257. ARTN 15334110.1016/j.jplph.2020.153341.

68.        Babst, B.A., Braun, D.M., Karve, A.A., Baker, R.F., Tran, T.M., Kenny, D.J., Rohlhill, J., Knoblauch, J., Knoblauch, M., Lohaus, G., et al. (2022). Sugar loading is not required for phloem sap flow in maize plants. Nat Plants 8, 171-+. 10.1038/s41477-022-01098-x.

69.        Lewis, J.D., Knoblauch, M., and Turgeon, R. (2022). The Phloem as an Arena for Plant Pathogens. Annu Rev Phytopathol 60, 77-96. 10.1146/annurev-phyto-020620-100946.

70.        Liu, Y., Vasina, V.V., Kraner, M.E., Peters, W.S., Sonnewald, U., and Knoblauch, M. (2022). Proteomics of isolated sieve tubes from Nicotiana tabacum: sieve element-specific proteins reveal differentiation of the endomembrane system. P Natl Acad Sci USA 119. ARTN e211275511910.1073/pnas.2112755119.

71.        Ostermeyer, G.P., Jensen, K.H., Franzen, A.R., Peters, W.S., and Knoblauch, M. (2022). Diversity of funnel plasmodesmata in angiosperms: the impact of geometry on plasmodesmal resistance. Plant J 110, 707-719. 10.1111/tpj.15697.

72.        Peters, W.S., and Knoblauch, M. (2022). How Munch’s adaptation of Pfeffer’s circulating water flow became the pressure-flow theory, and the resulting problems-A historical perspective. Journal of Plant Physiology 272. ARTN 15367210.1016/j.jplph.2022.153672.

73.        Christensen, A.H., Gupta, A., Chen, G., Peters, W.S., Knoblauch, M., Stone, H.A., and Jensen, K.H. (2023). Locally optimal geometry for surface-enhanced diffusion. Phys Rev E 108. ARTN 04510110.1103/PhysRevE.108.045101.

74.        Howell, A.H., Völkner, C., McGreevy, P., Jensen, K.H., Waadt, R., Gilroy, S., Kunz, H.H., Peters, W.S., and Knoblauch, M. (2023). Pavement cells distinguish touch from letting go. Nat Plants 9, 877-882. 10.1038/s41477-023-01418-9.

75.        Knoblauch, M., and Peters, W. (2023). Holistic models as an integrative infrastructure for scientific communication. Journal of Plant Physiology 285. ARTN 15398410.1016/j.jplph.2023.153984.

76.        Landers, J., Mooney, S., Smalley, S., Al-Saharin, R., Knoblauch, M., and Hellmann, H. (2023). Generation of stable transgenic Brassica napus cv. Jet Neuf cell cultures as a tool to investigate in planta protein function. Plant Cell Tiss Org 154, 633-643. 10.1007/s11240-023-02538-y.

77.        Peters, W.S., and Knoblauch, M. (2023). Applying and releasing small compressive forces to cells induces distinct calcium waves. Nat Plants 9, 858-859. 10.1038/s41477-023-01444-7.

78.        Rüscher, D., Vasina, V.V., Knoblauch, J., Bellin, L., Pommerrenig, B., Alseekh, S., Fernie, A.R., Neuhaus, H.E., Knoblauch, M., Sonnewald, U., and Zierer, W. (2024). Symplasmic phloem loading and subcellular transport in storage roots are key factors for carbon allocation in cassava. Plant Physiology 196, 1322-1339. 10.1093/plphys/kiae298.

79.        Blanco, A.S., Wilson, D.R., Hardman, D.D., Rainsford, S.W., Sparks, A.M., Bhatta, R.P., Huang, L., Adams, H.D., Johnson, D.M., Schwilk, D.W., et al. (2025). Predicting immediate and delayed fire-induced mortality of Pinus monticola and Pseudotsuga menziesii saplings using a pyro-ecophysiology fire severity approach. Int J Wildland Fire 34. Artn Wf2500310.1071/Wf25003.

80.        Gennis, S., Biviano, M.D., Lyngbirk, K.P., Thomas, H.R., Vasina, V., Faulkner, C., Knoblauch, M., and Jensen, K.H. (2025). A multi-physics approach to probing plant responses: From calcium signaling to thigmonastic motion. Journal of Plant Physiology 312. ARTN 15457010.1016/j.jplph.2025.154570.

81.        Moser, T., Knoblauch, M., and Evans, J. (2025). Visualizing the Structure of Plant Plasmodesmata with Cryo-ET. Microscopy and Microanalysis 31, ozaf048. 384.

82.        Howell, A.H., James, V., Christensen, A.H., Vasina, V.V., Jensen, K.H., Foley, J., Evans, J.E., Stone, H.A., Peters, W.S., and Knoblauch, M. (2026). The influence of electrical charge on plasmodesma conductivity. P Natl Acad Sci USA 123. ARTN e252787912310.1073/pnas.2527879123.

83.        Vasina, V.V., Peters, W.S., and Knoblauch, M. (2026). Movement through plasmodesmata: an evaluation of the physical basis and available experimental methods. J Exp Bot 77, 818-826. 10.1093/jxb/eraf469.