Martin-Luther-Universität Halle-Wittenberg


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Ausgewählte Publikationen Dr. Margret Köck

Ditfe D.,  May, A., Tannert, M., Köck, M. (2014) Intracellular phosphatases in crops under phosphate-limited conditions. Conference of the German Society of Plant Nutrition, Plant Nutrition: From basic Understanding to Better Crops, Halle/Saale, September 10 - September 12 (2014), S2P4

May A., Spinka M., Köck M. (2012) Arabidopsis thaliana PECP1 – Enzymatic characterization and structural organization of the first plant phosphoethanolamine/phosphocholine phosphatase. Biophysica et Biochimica Acta - Proteins and Proteomics 1824: 319-325

Schulz H., Schäfer T., Storbeck V., Härtling V., Rudloff R., Köck M., Buscot, F. (2012) Effect of raw humus under two adult Scots pine stands on ectomycorrhization, nutritional status, nitrogen uptake, phosphorus uptake and growth of P. sylvestris seedlings. Tree Physiology 32: 36 – 48

Koethke S., Köck M. (2011) The Solanum lycopersicum RNaseLER is a class II enzyme of the RNase T2 family and shows preferential expression in guard cells. Journal of Plant Physiology 168: 840-847

May A., Berger S., Hertel T., Köck M. (2011) The Arabidopsis thaliana phosphate starvation responsive gene AtPPsPase1 encodes a novel type of inorganic pyrophosphatase. Biophysica et Biochimica Acta - General Subjects 1810: 178-185

Danova-Alt R, Dijkema C, De Waard P, Köck M (2008) Transport and compartmentation of phosphite in higher plants - kinetic and 31P nuclear magnetic resonance studies. Plant, Cell & Environment 31: 1510-1521

Köck M (2008) Die Rolle sekretorischer T2-Typ Ribonukleasen in Pflanzen - Lokalisation, Expression und Regulation. Habilitationsschrift Martin-Luther-Universität Halle-Wittenberg

Köck, M., Stenzel, I., Zimmer, A. (2006) Tissue-specific expression of tomato Ribonuclease LX during phosphate starvation-induced root growth. Journal of Experimental Botany,  57: 3717-3726

Groß, N., Wasternack, C., Köck, M. (2004) Wound-induced RNaseLE expression is jasmonate and systemin independent and occurs only locally in tomato (Lycopersicon esculentum cv. Lukullus). Phytochemistry 65 (10): 1343-1350

Köck, M., Groß, N., Stenzel, I., Hause, G. (2004) Phloem-specific expression of the wound-inducible ribonuclease LE from tomato (Lycopersicon esculentum cv. Lukullus). Planta 219: 233-242

Stenzel, I., Ziethe, K., Schurath, J., Hertel, S.C., Bosse, D., Köck, M. (2003) Differential expression of LePS2, a phosphatase gene family, in response to phosphate availability, plant development and pathogen infection. Physiologium Plantarum 118: 138-146

Lehmann, K., Hause, B., Altmann, D. und Köck, M. (2001)  Tomato ribonuclease LX with the functional ER retention motif HDEF is expressed during physiological cell death processes including xylem differentiation, germination and senescence. Plant Physiology 127: 436-449.

Abel, S. und Köck, M. (2001) Secretory acid ribonucleases from tomato (Lycopersicon esculentum Mill.). In Nicholson AW (Ed) Ribonucleases. Methods in Enzymol. 341: 351-368.

Stenzel, I., Ziethe, K. und Köck, M. (2000) Cloning and characterization of a novel phosphatase gene in tomato induced by phosphate starvation. Plant Molecular Biology Reporter 18: S31-124.

Köck, M., Kaletta, K. und Stenzel, I. (1999) Biochemical and functional analysis of tomato S-like ribonucleases. 5th International Meeting on Ribonucleases, Warrenton, p. 36.

Bosse, D. und Köck, M. (1998) Influence of phosphate starvation on phosphohydrolases during development of tomato seedlings. Plant, Cell & Environment 21: 325-332.

Kaletta, K., Kunze, I., Kunze, G. und Köck, M. (1998) The peptide HDEF as a new retention signal is necessary and sufficient to direct proteins to the endoplasmic reticulum. FEBS Letters 434: 377-381.

Köck, M., Theierl, K., Stenzel, I. und Glund, K. (1998) Extracellular administration of phosphate sequestering metabolites induces ribonucleases in cultured tomato cells. Planta 204: 404-407.

Ziethe, K., Stenzel, I., Hertel, S.C. und Köck, M. (1998) Cloning and characterization of PSR5, a tomato cDNA (Accession No. Y14339) encoding a 20S subunit from the proteasome repressed by phosphate starvation (PGR98-065). Plant Physiology 116: 1605

Ohgi, K., Shiratori, Y., Nakajima, A., Iwama, M., Kobayashi, H., Inokuchi, N., Koyama, T., Köck, M., Löffler, A., Glund, K. und Irie, M. (1997) Expression of tomato ribonuclease (RNase LE) and its mutant enzyme, 44D, from yeast cells, and their enzymatic properties. Biosciences Biotechnology Biochemistry 61: 432-438.

Stenzel, I. und Köck, M. (1996) Isolation and characterization of the inducible plant ribonuclease LE gene from tomato. Biological Chemistry Hoppe-Seyler  377: S207.

Köck, M., Löffler, A., Abel, S. und Glund, K. (1995)  Structural and regulatory properties of a family of starvation induced ribonucleases from tomato. Plant Molecular Biology 27: 477-485

Köck, M., Stajner, D., Gasic, O. und Schlee, D. (1994) Alachlor-induced changes of superoxide dismutase activity in seeds and young plants of wheat (Triticum aestivum). Biologia 49: 365-370

Grierson, D., Hamilton, A., Bouzayen, M., Köck, M., Lycett, G. und
Barton, S. (1992) Regulation of gene expression, ethylene synthesis, and the ripening in transgenic plants. In: J.L.Wray (Ed.): Inducible Plant Proteins, pp. 155-174, Cambridge Univ. Press

Köck, M., Hamilton, A. und Grierson, D. (1991) Eth 1, a gene involved in ethylene synthesis in tomato. Plant Molecular Biology 17: 141-142
Nürnberger, T., Köck, M., Abel, S., Theierl, K. und Glund, K. (1991) A phosphate starvation-inducible extracellular ribonuclease in cultured tomato cells. Biological Chemistry Hoppe-Seyler 372: 722-723

Glund, K., Köck, M., Abel, S., Nürnberger, T., Löffler, A. und Jost, W. (1991) Properties and induction by phosphate of extra- and intracellular ribonucleases in cultured tomato cells. Journal of Experimental Botany 42: 21

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