Ayre Lab pubs and funds | Department of Biological Sciences
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Ayre Lab pubs and funds

Current and recent research funding (links are to funding agency websites)

  1. McGarry RC, Shah J, Ayre BG. Generating pathogen- / pest-resistant non-GMO cotton through targeted genome editing of oxylipin signaling pathways. United States Department of Agriculture; National Institute for Food and Agriculture; Agriculture and Food Research Initiative Competitive Grants Program. AWARDED $294,000, Jan 2021 - Jan 2024.
  2. Ayre BG, McGarry RC, Eshed-Williams L (Hebrew University), van der Knaap E (University of Georgia). Elucidating and manipulating the CLAVATA-WUSCHEL circuit in cotton to understand meristem homeostasis in relation to fruit size and shape. United States-Israel Binational Agricultural Research and Development (BARD) Fund. AWARDED $310,000 Sept 2019 - July 2023.
  3. Ayre BG, McGarry RC. Pest- and pathogen- resistant cotton through gene editing. Cotton Incorporated: National Program. AWARDED 25,000, Jan 2022 - Jan 2023.
  4. Ayre BG, McGarry RC. Redesigning the cotton plant's architecture to improve yield and quality. Cotton Incorporated: National Program. AWARDED ~$450,000, Jan 2010 - Jan 2023 (Renewed annually at ~$50,000).
  5. Ayre BG. Unraveling the link between carbohydrate transport and phosphate use: Can we improve carbon partitioning and reduce nutrient use? National Science Foundation, Directorate for Biological Sciences, Integrative Organismal Systems. AWARDED $564,315, Mar 2016 - Mar 2020.

Peer-reviewed publications (links are to journal websites)

  1. Yadav UP, Evers JF, Shaikh MA, Ayre BG (2022) Cotton phloem loads from the apoplast using a single member of its nine-member sucrose transporter gene family. J Exp Bot 73: 848-859. 10.1093/jxb/erab461Ayre BG, El-Gebaly FE, McGarry RC (2020) Virus-induced flowering-a tool for cereals. J Exp Bot 71: 2839-2841. 10.1093/jxb/eraa153.

  2. Regmi KC, Yogendra K, Farias JG, Li L, Kandel R, Yadav UP, Sha S, Trittermann C, Short L, George J, Evers J, Plett D, Ayre BG, Roy SJ, Gaxiola RA (2020) Improved Yield and Photosynthate Partitioning in AVP1 Expressing Wheat (Triticum aestivum) Plants. Front Plant Sci 11: 273. 10.3389/fpls.2020.00273.

  3. McGarry RC, Rao X, Li Q, van der Knaap E, Ayre BG (2020) SINGLE FLOWER TRUSS and SELF-PRUNING signal developmental and metabolic networks to guide cotton architectures. J Exp Bot 71: 5911-5923. 10.1093/jxb/eraa338.

  4. McGarry RC, Ayre BG (2021) Cotton architecture: examining the roles of SINGLE FLOWER TRUSS and SELF-PRUNING in regulating growth habits of a woody perennial crop. Curr Opin Plant Biol 59: 101968. 10.1016/j.pbi.2020.10.001.

  5. Ayre BG, El-Gebaly FE, McGarry RC (2020) Virus-induced flowering-a tool for cereals. J Exp Bot 71: 2839-2841. 10.1093/jxb/eraa153.

  6. Yadav UP, Shaikh MA, Evers J, Regmi KC, Gaxiola RA, Ayre BG (2019) Assessing Long-Distance Carbon Partitioning from Photosynthetic Source Leaves to Heterotrophic Sink Organs with Photoassimilated [14C]CO2. In J. Liesche (Ed) Phloem: Methods and Protocols. Methods Mol Biol vol. 2014: 223-233. Springer. doi: 10.1007/978-1-4939-9562-2_19.

  7. Prewitt SF, Ayre BG, McGarry RC (2018) Cotton CENTRORADIALIS / TERMINAL FLOWER 1 / SELF-PRUNING genes functionally diverge to differentially impact architecture. Journal of Experimental Botany 69:5403-5417. doi: 10.1093/jxb/ery324.
  8. McGarry RC, Klocko AL, Pang M, Strauss SH, Ayre BG (2017) Virus-induced flowering: An application of reproductive biology to benefit plant research and breeding. Plant Physiology 173: 47-55, doi:10.1104/pp.16.01336.
  9. Ayre BG, Turgeon R (2018) Export of Photosynthates from the Leaf. In W.W. Adams III and I. Terashima (Eds) The Leaf: A Platform for Performing Photosynthesis. Series: Advances in Photosynthesis and Respiration Including Bioenergy and Related Processes, vol. 44, Chapter 3, pg 55-79. Springer International Publishing AG, Dordrecht, The Netherlands. doi: 10.1007/978-3-319-93594-2_3
  10. McGarry RC, Prewitt SF, Culpepper S, Eshed Y, Lifschitz E, Ayre BG (2016) Monopodial and sympodial branching architecture in cotton is differentially regulated by the Gossypium hirsutum SINGLE FLOWER TRUSS and SELF-PRUNING orthologs. New Phytologist; 212: 244-258, doi: 10.1111/nph.14037.
  11. Khadilkar AS, Yadav UP, Salazar C, Shulaev V, Paez-Valencia J, Pizzio GA, Gaxiola RA, Ayre BG (2016) Constitutive and companion cell-specific overexpression of AVP1, encoding a proton-pumping pyrophosphatase, enhances biomass accumulation, phloem loading and long-distance transport. Plant Physiology; 170: 401-414. doi: 10.1104/pp.15.01409.
  12. Yadav UP, Ayre BG, Bush DR (2015) Transgenic approaches to altering carbon and nitrogen partitioning in whole plants: Assessing the potential to improve crop yields and nutritional quality. Frontiers in Plant Science 66: 275 (1-13). doi: 10.3389/fpls.2015.00275.
  13. Pizzio GA, Paez-Valencia J, Khadilkar AS, Regmi K, Patron-Soberano A, Zhang S, Sanchez-Lares J, Furstenau T, Li J, Sanchez-Gomez C, Valencia-Mayoral P, Yadav UP, Ayre BG, Gaxiola RA (2015) Arabidopsis type I proton-pumping pyrophosphatase expresses strongly in phloem, where it is required for pyrophosphate metabolism and photosynthate partitioning. Plant Physiology 167: 1541-1553. doi: 10.1104/ pp.114.254342.
  14. Ramesh D, Ayre BG, D'Souza NA, Webber CL III (2015) Dynamic mechanical analysis, surface chemistry and morphology of alkali and enzymatic retted kenaf fibers. Textile Research Journal 85: 2059-2070. doi: 10.1177/0040517515576322.
  15. Lifschitz E, Ayre BG, Eshed Y (2014) Florigen and anti-florigen - a systemic mechanism for coordinating growth and termination in flowering plants. Frontiers in Plant Science 5:465 (pg. 1-14) doi:10.3389/fpls.2014.00465.
  16. Dasgupta K, Khadilkar AS, Sulpice R, Pant B, Scheible W-R, Fisahn J, Stitt M, Ayre BG (2014). Expression of sucrose transporter cDNAs specifically in companion cells enhances phloem loading and long-distance transport of sucrose but leads to an inhibition of growth and the perception of a phosphate limitation. Plant Physiology 165, 715-731. doi:10.1104/pp.114.238410.
  17. Ogbomo SM, Ayre B, Webber CL, D'Souza NA (2014) Effect of kenaf fiber age on PLLA composite properties. Polymer Composites 35: 915-924. doi: 10.1002/pc.22735.
  18. Yang B, Nar M, Visi DK, Allen M, Ayre B, Webber CL, Lu H, D'Souza NA (2014) Effects of chemical versus enzymatic processing of kenaf fibers on poly (hydroxybutyrate-co-valerate)/poly (butylene adipate-co-terephthalate) composite properties. Composites Part B: Engineering 56: 926-933. doi: 10.1016/j.compositesb.2013.09.022
  19. Cao T, Lahiri I, Singh V, Louis J, Shah J, Ayre BG (2013) Metabolic engineering of raffinose-family oligosaccharides in the phloem reveals alterations in carbon partitioning and enhances resistance to green peach aphid. Frontiers in Plant Science 4:263; pg 1-13. doi:10.3389/fpls.2013.00263.
  20. Visi DK, D'Souza NA, Ayre BG, Webber CL III, Allen MS (2013) Investigation of the microbial retting community of kenaf (Hibiscus cannabinus) under differing conditions using next-generation semiconductor sequencing. Journal of Industrial Microbiology & Biotechnology 40:465-475. doi: 10.1007/s10295-013-1242-1.
  21. McGarry RC, Prewitt S, Ayre BG (2013) Overexpression of FT in cotton affects architecture but not floral organogenesis. Plant Signaling & Behavior 8:4, e23602 (pg 1-4). doi: 10.4161/psb.23602
  22. Gaxiola RA, Sanchez CA, Paez-Valencia J, Ayre BG, Elser JJ, 2012. Genetic manipulation of a "vacuolar" H+-PPase: From salt tolerance to yield Enhancement under phosphorus-deficient soils. Plant Physiology 159: 3-11
  23. McGarry RC, Ayre BG (2012) Manipulating plant architecture with phosphatidylethanolamine binding proteins. Plant Science 188-189: 71-81
  24. McGarry RC, Ayre BG (2012) Geminivirus-mediated delivery of florigen promotes determinate growth in aerial organs and uncouples flowering from photoperiod in cotton. PLoS One (Public Library of Science) 7: e36746, pg 1-10
  25. Teaster ND, Keereetaweep J, Kilaru A, Wang YS, Tang Y, Tran CNQ, Ayre BG, Chapman KD, Blancaflor EB (2012) Overexpression of fatty acid amide hydrolase induces early flowering in Arabidopsis thaliana. Frontiers in Plant Physiology 3: 32; pg 1-13
  26. Zhang C, Yu X, Ayre BG, Turgeon R (2012) The origin and composition of cucurbit phloem exudate. Plant Physiology 158:1873-1182
  27. Webber CL III, Dickstein R, Ayre BG, D'Souza NA, Stevens KJ, Chapman KD, Allen MS,. Dagnon KM (2011) Monoculture and polyculture: Kenaf (Hibiscus cannabinus) and sunn hemp (Crotalaria juncea). Journal of Environmental Monitoring and Restoration. In press.
  28. Singh V, Louis J, Ayre BG, Pegadaraju V, Reese J, Shah J (2011) TREHALOSE PHOSPHATE SYNTHASE11 dependent trehalose metabolism regulates Arabidopsis thaliana defense against the phloem-feeding insect, Myzus persicae. The Plant Journal 67: 94-104
  29. Dasgupta K, Ganesan S, Manivasagam S, Ayre BG (2011) A cytochrome P450 mono-oxygenase commonly used for negative selection in transgenic plants causes growth anomalies by disrupting brassinosteroid signaling. BMC Plant Biology 11: 67, pg 1-12
  30. Ayre BG (2011) Membrane-transport systems for sucrose in relation to whole-plant carbon partitioning. Molecular Plant, 4: 377-394
  31. Srivastava AC, Dasgupta K, Ajieren E, Costilla G, McGarry RC, Ayre BG (2009) Arabidopsis plants harbouring a mutation in AtSUC2, encoding the predominant sucrose/proton symporter necessary for efficient phloem transport, are able to complete their life cycle and produce viable seed. Annals of Botany 104: 1121-1128
  32. Taliercio E, Romano G, Scheffler J, Ayre BG (2009) Expression of genes associated with carbohydrate metabolism in cotton stems and roots. BMC Plant Biology 9: 7, pg 1-11
  33. Srivastava AC, Ganesan S, Ismail IO, Ayre BG (2009) Effective carbon partitioning driven by exotic phloem-specific regulatory elements fused to the Arabidopsis thaliana AtSUC2 sucrose-proton symporter gene. BMC Plant Biology 9: 11, pg 1-11
  34. Ayre BG, Stevens K, Chapman KD, Webber CL III, Dagnon KL, D'Souza NA (2009) Viscoelastic properties of kenaf bast fiber in relation to stem age. Textile Research Journal: 79: 973-980
  35. Srivastava AC, Ganesan S, Ismail IO, Ayre BG (2008) Functional characterization of the Arabidopsis thaliana AtSUC2 Suc/H+ symporter by tissue-specific complementation reveals an essential role in phloem loading but not in long-distance transport. Plant Physiology, 148: 200-211.
  36. McGarry RC, Ayre BG (2008) A DNA element between At4g28630 and At4g28640 confers companion-cell specific expression following the sink-to-source transition in mature minor vein phloem. Planta, 228: 839-849.
  37. Chapman KD, Neogi PD, Hake KD, Stawska AA, Speed TR, Cotter MQ, Garrett DC, Kerby T, Richardson CD, Ayre BG, Ghosh S, Kinney AJ (2008) Reduced oil accumulation in cottonseeds transformed with a Brassica non-functional allele of a delta-12 fatty acid desaturase (FAD2). Crop Science 48:1470-1481.
  38. Ayre BG, Turgeon R (2004) Graft transmission of a floral stimulant derived from CONSTANS. Plant Physiology; 135: 2271-2278.
  39. Ayre BG, Blair J, Turgeon R (2003) Functional and phylogenetic analysis of a conserved regulatory program in phloem of minor veins. Plant Physiology; 133: 1229-1239.
  40. Ayre BG, Keller F, Turgeon R (2003) Symplastic continuity between companion cells and the translocation stream: long-distance transport is controlled by retention and retrieval mechanisms in the phloem. Plant Physiology; 131: 1518-1528.
  41. Ayre BG, Köhler U, Turgeon R, Haseloff J (2002) Optimization of trans-splicing ribozyme efficiency and specificity by in vivo genetic selection. Nucleic Acids Research; 30: e141 (9 pages).
  42. Haritatos E, Ayre BG, Turgeon R (2000) Identification of phloem involved in assimilate loading in leaves by expression from a galactinol synthase promoter. Plant Physiology; 123: 929-938.
  43. Ayre BG, Köhler U, Goodman HM, Haseloff J (1999) Design of highly specific cytotoxins by using trans-splicing ribozymes. Proceedings of the National Academy of Science of the United States of America; 96: 3507-3512.
  44. Köhler U, Ayre BG, Goodman HM, Haseloff J (1999) Trans-splicing ribozymes for targeted gene delivery. Journal of Molecular Biology; 285: 1935-1950.
  45. Wang G, Ayre B, Giacoman L, Mayerhofer R, Escher A, Langridge WHR, Szalay AA (1994) Low light image analysis of transgenic organisms using bacterial luciferase as a marker. Photochemistry and Photobiology; 59: 102S.
  46. Langridge WHR, Escher A, Wang G, Ayre B, Fodor I, Szalay AA (1994) Low-light image analysis of transgenic organisms using bacterial luciferase as a marker. Journal of Bioluminescence and Chemiluminescence; 9: 185- 200.
  47. Ayre BG, Escher A, Szalay AA (1993) Bioluminescence as a measure of ribozyme activity in vivo. Bioluminescence and Chemiluminescence Status Report: Proceedings of the VIIth International Symposium on Bioluminescence and Chemiluminescence: 109-112.
  48. Kunz BA, Ayre BG, Downes AMT, Kohalmi SE, McMaster CR, Peters MG (1989) Base-pair substitutions alter the site-specific mutagenicity of UV and MNNG in the SUP4-o gene of yeast. Mutation Research; 226: 273-278.