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Selected Publications

Ober ES, Sharp RE (2013) Maintaining root growth in drying soil: a review of progress and gaps in understanding. In: Plant Roots: The Hidden Half, 4th Edition (A Eshel, T Beekman eds.), CRC press

Zhang Z, Voothuluru P, Yamaguchi M, Sharp RE, Peck SC (2013) Developmental distribution of the plasma membrane proteome in the maize primary root growth zone. Frontiers in Plant Science 4: 33. (Special issue on subcellular proteomics)

Shelden MC, Roessner U, Sharp RE, Tester M, Bacic A (2013) Genetic variation in the root growth response of barley genotypes to salinity stress. Functional Plant Biology

Voothuluru P, Thompson HJ, Flint-Garcia SA, Sharp RE (2013b) Genetic variability of oxalate oxidase activity and elongation in water-stressed primary roots of diverse maize and rice lines. Plant Signaling and Behavior 8: 3,e23454

Voothuluru P, Sharp RE (2013a) Apoplastic hydrogen peroxide in the growth zone of the maize primary root under water stress. I. Increased levels are specific to the apical region of growth maintenance. Journal of Experimental Botany 64: 1223-1233. (Focus Section on “Future Roots of Productivity”)

Leach KA, Hejlek LG, Hearne LB, Nguyen HT, Sharp RE, Davis GL (2011) Primary root elongation rate and abscisic acid levels of maize in response to water stress. Crop Science 51: 157-172

Yamaguchi M, Sharp RE (2010) Complexity and coordination of root growth at low water potentials: recent advances from transcriptomic and proteomic analyses. Plant, Cell and Environment 33:590-603 (special issue on Tolerance to Salt and Drought)

Yamaguchi M, Valliyodan B, Zhang J, LeNoble ME, Yu O, Rogers EE, Nguyen HT, Sharp RE (2010) Regulation of growth response to water stress in the soybean primary root. I. Proteomic analysis reveals region-specific regulation of phenylpropanoid metabolism and control of free iron in the elongation zone. Plant, Cell and Environment 33:223-242

Spollen WG, Tao W, Valliyodan B, Chen K, Hejlek LG, Kim J-J, LeNoble ME, Zhu J, Bohnert HJ, Henderson D, Schachtman DP, Davis GE, Springer GK, Sharp RE, Nguyen HT (2008) Spatial distribution of transcript changes in the maize primary root elongation zone at low water potential. BMC Plant Biology 8: 32

Ober ES, Sharp RE (2007) Regulation of root growth responses to water deficit. In: Advances in Molecular Breeding toward Drought and Salt Tolerant Crops (MA Jenks, PM Hasegawa, SM Jain, eds.), Springer, Dortrecht, pp 33-53

Zhu J, Alvarez S, Marsh E, LeNoble ME, Cho I-J, Sivaguru M, Chen S, Nguyen HT, Wu Y, Schachtman DP, Sharp RE (2007) Cell wall proteome in the maize primary root elongation zone. II. Region-specific changes in water soluble and lightly ionically-bound proteins under water deficit. Plant Physiology 145: 1533-1548.

Poroyko V, Spollen WG, Hejlek LG, Hernandez AG, LeNoble ME, Davis G, Nguyen HT, Springer GK, Sharp RE, Bohnert HJ (2007) Comparing regional transcript profiles from maize primary roots under well-watered and low water potential conditions. Journal of Experimental Botany 58: 279-289 (special issue on Integrated Approaches to Sustain and Improve Plant Production under Drought Stress)

Zhu J, Chen S, Alvarez S, Asirvatham VS, Schachtman DP, Wu Y, Sharp RE (2006) Cell wall proteome in the maize primary root elongation zone: extraction and identification of water soluble and lightly ionically-bound proteins. Plant Physiology 140: 311-325

Poroyko V, Hejlek LG, Spollen WG, Springer GK, Nguyen HT, Sharp RE, Bohnert HJ (2005) The maize root transcriptome by serial analysis of gene expression. Plant Physiology 138: 1700-1710.

Goodger JQD, Sharp RE, Marsh EL, Schachtman DP (2005) Relationships between xylem sap constituents and leaf conductance of well-watered and water-stressed maize across three xylem sap sampling techniques. Journal of Experimental Botany 56: 2389-2400.

Sharp RE, Poroyko V, Hejlek LG, Spollen WG, Springer GK, Bohnert HJ, Nguyen HT (2004) Root growth maintenance during water deficits: physiology to functional genomics. Journal of Experimental Botany 55: 2343-2351

Thompson, AJ, Thorne, ET, Burbidge A, Jackson AC, Sharp RE, Taylor IB (2004) Complementation of notabilis, an abscisic acid-deficient mutant of tomato: importance of sequence context and utility of partial complementation. Plant, Cell and Environment 27: 459-471.

LeNoble ME, Spollen WG, Sharp RE (2004) Maintenance of shoot growth by endogenous ABA: genetic assessment of the involvement of ethylene suppression.  Journal of Experimental Botany 55: 237-245

Ober ES, Sharp RE (2003) Electrophysiological responses of maize roots to low water potentials: relationship to growth and ABA accumulation. Journal of Experimental Botany 54: 813-824.

Sharp RE (2002) Interaction with ethylene: changing views on the role of abscisic in root and shoot growth responses to water stress. Plant, Cell and Environment 25: 211-222 (special issue on Drought Stress)

Wu Y, Thorne ET, Sharp RE, Cosgrove DJ (2001) Modification of expansin transcript levels in the maize primary root at low water potentials. Plant Physiology 126: 1471-1479.

Sharp RE, LeNoble ME, Else MA, Thorne ET, Gherardi F (2000) Endogenous ABA maintains shoot growth in tomato independently of effects on plant water balance: evidence for an interaction with ethylene. Journal of Experimental Botany 51: 1575-1584 (special issue on Water Deficits and Plant Growth)

Spollen WG, LeNoble ME, Samuels TD, Bernstein N, Sharp RE (2000) ABA accumulation maintains primary root elongation at low water potentials by restricting ethylene production. Plant Physiology 122: 967-976.

Verslues PE, Sharp RE (1999) Proline accumulation in maize (Zea mays L.) primary roots at low water potentials. II. Metabolic source of increased proline deposition in the elongation zone. Plant Physiology 119: 1349-1360

Verslues PE, Ober ES, Sharp RE (1998) Root growth and oxygen relations at low water potentials. Impact of oxygen availability in polyethylene glycol solutions. Plant Physiology 116: 1403-1412

Wu Y, Sharp RE, Durachko DM, Cosgrove DJ (1996) Growth maintenance of the maize primary root at low water potentials involves increases in cell wall extension properties, expansin activity and wall susceptibility to expansins. Plant Physiology 111: 765-772

Wu Y, Spollen WG, Sharp RE, Hetherington PR, Fry SC (1994) Root growth maintenance at low water potentials: Increased activity of xyloglucan endotransglycosylase and its possible regulation by abscisic acid. Plant Physiology 106: 607-615.

Sharp RE, Wu Y, Voetberg GS, Saab IN, LeNoble ME (1994) Confirmation that abscisic acid accumulation is required for maize primary root elongation at low water potentials. Journal of Experimental Botany 45: 1743-1751 (special issue on Growth in planta)

Saab IN, Sharp RE, Pritchard J (1992) Effect of inhibition of abscisic acid accumulation on the spatial distribution of elongation in the primary root and mesocotyl of maize at low water potentials. Plant Physiology 99: 26-33.

Voetberg GS, Sharp RE (1991) Growth of the maize primary root at low water potentials. III. Role of increased proline deposition in osmotic adjustment. Plant Physiology 96: 1125-1130.

Spollen WG, Sharp RE (1991) Spatial distribution of turgor and root growth at low water potentials. Plant Physiology 96: 438-443.

Saab IN, Sharp RE, Pritchard J, Voetberg GS (1990) Increased endogenous abscisic acid maintains primary root growth and inhibits shoot growth of maize seedlings at low water potentials. Plant Physiology 93: 1329-1336.

Sharp RE, Hsiao TC, Silk WK (1990) Growth of the maize primary root at low water potentials. II. The role of growth and deposition of hexose and potassium in osmotic adjustment. Plant Physiology 93: 1337-1346.

Saab IN, Sharp RE (1989) Non-hydraulic signals from roots in drying soil: inhibition of leaf elongation but not stomatal conductance. Planta 179: 466-474.

Sharp RE, Silk WK, Hsiao TC (1988) Growth of the maize primary root at low water potentials. I. Spatial distribution of expansive growth. Plant Physiology 87: 50-57

Sharp RE, Davies WJ (1985) Root growth and water uptake by maize plants in drying soil. Journal of Experimental Botany 36: 1441-1456.

Sharp RE, Davies WJ (1979) Solute regulation and growth by roots and shoots of water-stressed maize plants. Planta 147: 43-49.

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