Kenneth Keegstra Recent Publications
Zabotina OA, van de Ven WT, Freshour G, Drakakaki G, Cavalier D, Mouille G, Hahn MG, Keegstra K, Raikhel NV. (2008) Arabidopsis XXT5 gene encodes a putative alpha-1,6-xylosyltransferase that is involved in xyloglucan biosynthesis. Plant J. 56(1):101-15.
Zeng W, Keegstra K. (2008) AtCSLD2 is an integral Golgi membrane protein with its N-terminus facing the cytosol. Planta. 228(5):823-38.
Pauly M, Keegstra K. (2008) Cell-wall carbohydrates and their modification as a resource for biofuels. Plant J. 54(4):559-68.
Cavalier DM, Lerouxel O, Neumetzler L, Yamauchi K, Reinecke A, Freshour G, Zabotina OA, Hahn MG, Burgert I, Pauly M, Raikhel NV, Keegstra K. (2008) Disrupting two Arabidopsis thaliana xylosyltransferase genes results in plants deficient in xyloglucan, a major primary cell wall component. Plant Cell. 20(6):1519-37.
Tripp J, Inoue K, Keegstra K, Froehlich JE. (2007) A novel serine/proline-rich domain in combination with a transmembrane domain is required for the insertion of AtTic40 into the inner envelope membrane of chloroplasts. Plant J. 52(5):824-38.
Cocuron JC, Lerouxel O, Drakakaki G, Alonso AP, Liepman AH, Keegstra K, Raikhel N, Wilkerson CG. (2007) A gene from the cellulose synthase-like C family encodes a beta-1,4 glucan synthase.Proc Natl Acad Sci U S A. 104(20):8550-5.
Drakakaki G, Zabotina O, Delgado I, Robert S, Keegstra K, Raikhel N. (2006) Arabidopsis reversibly glycosylated polypeptides 1 and 2 are essential for pollen development. Plant Physiol. 142(4):1480-92.
Lerouxel O, Cavalier DM, Liepman AH, Keegstra K. (2006) Biosynthesis of plant cell wall polysaccharides - a complex process. Curr Opin Plant Biol. 9(6):621-30.
Cavalier DM, Keegstra K. (2006) Two xyloglucan xylosyltransferases catalyze the addition of multiple xylosyl residues to cellohexaose. J Biol Chem. 281(45):34197-207.
Keegstra K, Walton J. (2006) Plant science. Beta-glucans--brewer's bane, dietician's delight. Science. 311(5769):1872-3. No abstract available.
Reumann S, Inoue K, Keegstra K. (2005) Evolution of the general protein import pathway of plastids (review). Mol Membr Biol. Jan-Apr;22(1-2):73-86. Review.
Liepman AH, Wilkerson CG, Keegstra K. (2005) Expression of cellulose synthase-like (Csl) genes in insect cells reveals that CslA family members encode mannan synthases. Proc Natl Acad Sci U S A. 102(6):2221-6.
Reumann S, Inoue K, Keegstra K (2005) Evolution of the general protein import pathway of plastids. Mol Membrane Biology 22:73-86.
Constan D, Froehlich JE, Rangarajan S., Keegstra K (2004) An Hsp100 protein is required for normal chloroplast development and function in Arabidopsis. Plant Physiol 136:3605-3615.
Gutierrez RA, Green PJ, Keegstra K, Ohlrogge JB. (2004) Phylogenetic profiling of the Arabidopsis thaliana proteome: what proteins distinguish plants from other organisms? Genome Biol. ;5(8):R53.
Constan D, Patel R, Keegstra K, Jarvis P. (2004) An outer envelope membrane component of the plastid protein import apparatus plays an essential role in Arabidopsis. Plant J. Apr;38(1):93-106.
Perrin RM, Jia Z, Wagner TA, O'Neill MA, Sarria R, York WS, Raikhel NV, Keegstra K. (2003) Analysis of xyloglucan fucosylation in Arabidopsis. Plant Physiol. 132(2):768-78. Erratum in: Plant Physiol. Aug;132(4):2276.
Chou ML, Fitzpatrick LM, Tu SL, Budziszewski G, Potter-Lewis S, Akita M, Levin JZ, Keegstra K, Li HM. (2003) Tic40, a membrane-anchored co-chaperone homolog in the chloroplast protein translocon. EMBO J. 22(12):2970-80.
Inoue K, Keegstra K. (2003) A polyglycine stretch is necessary for proper targeting of the protein translocation channel precursor to the outer envelope membrane of chloroplasts. Plant J. 34(5):661-9.
Davila-Aponte JA, Inoue K, Keegstra K. (2003) Two chloroplastic protein translocation components, Tic110 and Toc75, are conserved in different plastid types from multiple plant species. Plant Mol Biol. 51(2):175-81.
Inoue K, Demel R, de Kruijff B, Keegstra K (2001) N-terminal portion of preToc75 transit peptide interacts with membrane lipids and inhibits in vitro binding and import of precursor proteins into chloroplasts. Eur J Biochem 268: 4036-4043.
Perrin R, Wilkerson C, Keegstra K (2001) Golgi enzymes that synthesize plant cell wall polysaccharides: Finding and evaluating candidates in the genomic era. Plant Mol Biol 47: 115-130.
Jackson-Constan D, Keegstra K (2001) Arabidopsis genes encoding components of the chloroplastic protein import apparatus. Plant Physiol 125: 1567-1576.
Fitzpatrick LM, Keegstra K (2001) A method for isolating a high yield of Arabidopsis chloroplasts capable of efficient import of precursor proteins. Plant J, 27:59-65
Faik A, Bar-Peled M, DeRocher AE, Zeng W, Perrin RM, Wilkerson C, Raikhel NV, Keegstra K (2000) Biochemical characterization and molecular cloning of an ?-1,2-fucosyltransferase that catalyzes the last step of cell wall xyloglucan biosynthesis in pea. J Biol Chem 275: 15082-15089.
Reumann S, Davila-Aponte J, Keegstra K (1999) The evolutionary origin of the protein translocating channel of chloroplastic envelope membranes: Identification of a cyanobacterial homolog. Proc Natl Acad Sci USA 96: 784-789.
Keegstra K, Cline K (1999) Protein import and routing systems of chloroplasts. Plant Cell 11: 557-570.
Perrin RM, DeRocher AE, Bar-Peled M, Zeng W, Norambuena L, Orellana A, Raikhel NV, Keegstra K (1999) Xyloglucan fucosyltransferase, an enzyme involved in plant cell wall biosynthesis. Science 284: 1976-1979.
Young ME, Keegstra K, Froehlich JE (1999) GTP promotes the formation of early-import intermediates but is not required during the translocation step of protein import into chloroplasts. Plant Physiol 121: 237-243.