Kenneth Keegstra Recent Publications

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. Sep 20; [Epub ahead of print]

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.

Keegstra home page