Experts and Doctors on genetically modified plants in Tucson, Arizona, United States

Summary

Locale: Tucson, Arizona, United States
Topic: genetically modified plants

Top Publications

  1. Arteaga Vazquez M, Sidorenko L, Rabanal F, Shrivistava R, Nobuta K, Green P, et al. RNA-mediated trans-communication can establish paramutation at the b1 locus in maize. Proc Natl Acad Sci U S A. 2010;107:12986-91 pubmed publisher
    ..In addition, we uncovered a role for mop1 in the biogenesis of a subset of microRNAs (miRNAs) and show that it functions at the level of production of the primary miRNA transcripts. ..
  2. Gassmann A, Stock S, Carriere Y, Tabashnik B. Effect of entomopathogenic nematodes on the fitness cost of resistance to Bt toxin crylac in pink bollworm (Lepidoptera: Gelechiidae). J Econ Entomol. 2006;99:920-6 pubmed
    ..Our results suggest that incorporation of entomopathogenic nematodes into an integrated resistance management strategy could help to delay pest resistance to Bt toxins. ..
  3. Carriere Y, Ellers Kirk C, Biggs R, Higginson D, Dennehy T, Tabashnik B. Effects of gossypol on fitness costs associated with resistance to Bt cotton in pink bollworm. J Econ Entomol. 2004;97:1710-8 pubmed
    ..Better understanding of the effects of natural plant defenses on fitness costs could improve our ability to design refuges for managing insect resistance to Bt crops. ..
  4. Tabashnik B, Van Rensburg J, Carriere Y. Field-evolved insect resistance to Bt crops: definition, theory, and data. J Econ Entomol. 2009;102:2011-25 pubmed
  5. Sidorenko L, Chandler V. RNA-dependent RNA polymerase is required for enhancer-mediated transcriptional silencing associated with paramutation at the maize p1 gene. Genetics. 2008;180:1983-93 pubmed publisher
    ..These results demonstrate that RNA-mediated gene-silencing mechanisms play key roles in p1 paramutation and the spectrum of roles for MOP1 is broadened to include tissue-specific expression patterns. ..
  6. Lee U, Wie C, Fernandez B, Feelisch M, Vierling E. Modulation of nitrosative stress by S-nitrosoglutathione reductase is critical for thermotolerance and plant growth in Arabidopsis. Plant Cell. 2008;20:786-802 pubmed publisher
    ..An NO-overproducing mutant is also defective in thermotolerance. Together, our results expand the importance of GSNOR-regulated NO homeostasis to abiotic stress and plant development. ..
  7. Lee B, Kapoor A, Zhu J, Zhu J. STABILIZED1, a stress-upregulated nuclear protein, is required for pre-mRNA splicing, mRNA turnover, and stress tolerance in Arabidopsis. Plant Cell. 2006;18:1736-49 pubmed
    ..Our results show that STA1 is a pre-mRNA splicing factor required not only for splicing but also for the turnover of unstable transcripts and that it has an important role in plant responses to abiotic stresses. ..
  8. Xiong L, Ishitani M, Lee H, Zhu J. The Arabidopsis LOS5/ABA3 locus encodes a molybdenum cofactor sulfurase and modulates cold stress- and osmotic stress-responsive gene expression. Plant Cell. 2001;13:2063-83 pubmed
    ..Our results show that LOS5/ABA3 is a key regulator of ABA biosynthesis, stress-responsive gene expression, and stress tolerance. ..
  9. Chinnusamy V, Ohta M, Kanrar S, Lee B, Hong X, Agarwal M, et al. ICE1: a regulator of cold-induced transcriptome and freezing tolerance in Arabidopsis. Genes Dev. 2003;17:1043-54 pubmed
    ..ICE1 is expressed constitutively, and its overexpression in wild-type plants enhances the expression of the CBF regulon in the cold and improves freezing tolerance of the transgenic plants. ..
  10. Wu Q, VanEtten H. Introduction of plant and fungal genes into pea (Pisum sativum L.) hairy roots reduces their ability to produce pisatin and affects their response to a fungal pathogen. Mol Plant Microbe Interact. 2004;17:798-804 pubmed

Detail Information

Publications21

  1. Arteaga Vazquez M, Sidorenko L, Rabanal F, Shrivistava R, Nobuta K, Green P, et al. RNA-mediated trans-communication can establish paramutation at the b1 locus in maize. Proc Natl Acad Sci U S A. 2010;107:12986-91 pubmed publisher
    ..In addition, we uncovered a role for mop1 in the biogenesis of a subset of microRNAs (miRNAs) and show that it functions at the level of production of the primary miRNA transcripts. ..
  2. Gassmann A, Stock S, Carriere Y, Tabashnik B. Effect of entomopathogenic nematodes on the fitness cost of resistance to Bt toxin crylac in pink bollworm (Lepidoptera: Gelechiidae). J Econ Entomol. 2006;99:920-6 pubmed
    ..Our results suggest that incorporation of entomopathogenic nematodes into an integrated resistance management strategy could help to delay pest resistance to Bt toxins. ..
  3. Carriere Y, Ellers Kirk C, Biggs R, Higginson D, Dennehy T, Tabashnik B. Effects of gossypol on fitness costs associated with resistance to Bt cotton in pink bollworm. J Econ Entomol. 2004;97:1710-8 pubmed
    ..Better understanding of the effects of natural plant defenses on fitness costs could improve our ability to design refuges for managing insect resistance to Bt crops. ..
  4. Tabashnik B, Van Rensburg J, Carriere Y. Field-evolved insect resistance to Bt crops: definition, theory, and data. J Econ Entomol. 2009;102:2011-25 pubmed
  5. Sidorenko L, Chandler V. RNA-dependent RNA polymerase is required for enhancer-mediated transcriptional silencing associated with paramutation at the maize p1 gene. Genetics. 2008;180:1983-93 pubmed publisher
    ..These results demonstrate that RNA-mediated gene-silencing mechanisms play key roles in p1 paramutation and the spectrum of roles for MOP1 is broadened to include tissue-specific expression patterns. ..
  6. Lee U, Wie C, Fernandez B, Feelisch M, Vierling E. Modulation of nitrosative stress by S-nitrosoglutathione reductase is critical for thermotolerance and plant growth in Arabidopsis. Plant Cell. 2008;20:786-802 pubmed publisher
    ..An NO-overproducing mutant is also defective in thermotolerance. Together, our results expand the importance of GSNOR-regulated NO homeostasis to abiotic stress and plant development. ..
  7. Lee B, Kapoor A, Zhu J, Zhu J. STABILIZED1, a stress-upregulated nuclear protein, is required for pre-mRNA splicing, mRNA turnover, and stress tolerance in Arabidopsis. Plant Cell. 2006;18:1736-49 pubmed
    ..Our results show that STA1 is a pre-mRNA splicing factor required not only for splicing but also for the turnover of unstable transcripts and that it has an important role in plant responses to abiotic stresses. ..
  8. Xiong L, Ishitani M, Lee H, Zhu J. The Arabidopsis LOS5/ABA3 locus encodes a molybdenum cofactor sulfurase and modulates cold stress- and osmotic stress-responsive gene expression. Plant Cell. 2001;13:2063-83 pubmed
    ..Our results show that LOS5/ABA3 is a key regulator of ABA biosynthesis, stress-responsive gene expression, and stress tolerance. ..
  9. Chinnusamy V, Ohta M, Kanrar S, Lee B, Hong X, Agarwal M, et al. ICE1: a regulator of cold-induced transcriptome and freezing tolerance in Arabidopsis. Genes Dev. 2003;17:1043-54 pubmed
    ..ICE1 is expressed constitutively, and its overexpression in wild-type plants enhances the expression of the CBF regulon in the cold and improves freezing tolerance of the transgenic plants. ..
  10. Wu Q, VanEtten H. Introduction of plant and fungal genes into pea (Pisum sativum L.) hairy roots reduces their ability to produce pisatin and affects their response to a fungal pathogen. Mol Plant Microbe Interact. 2004;17:798-804 pubmed
  11. Lee H, Xiong L, Ishitani M, Stevenson B, Zhu J. Cold-regulated gene expression and freezing tolerance in an Arabidopsis thaliana mutant. Plant J. 1999;17:301-8 pubmed
    ..However, the hos2-1 mutation does not impair the vernalization response. These results indicate that HOS2 is a negative regulator of low temperature signal transduction important for plant cold acclimation. ..
  12. Gong Z, Lee H, Xiong L, Jagendorf A, Stevenson B, Zhu J. RNA helicase-like protein as an early regulator of transcription factors for plant chilling and freezing tolerance. Proc Natl Acad Sci U S A. 2002;99:11507-12 pubmed
    ..Our results identify a regulator of CBF genes, and demonstrate the importance of gene regulation and the CBF transcriptional activators in plant chilling resistance. ..
  13. Gassmann A, Fabrick J, Sisterson M, Hannon E, Stock S, Carriere Y, et al. Effects of pink bollworm resistance to Bacillus thuringiensis on phenoloxidase activity and susceptibility to entomopathogenic nematodes. J Econ Entomol. 2009;102:1224-32 pubmed
    ..Incorporation of nematode-imposed fitness costs into a spatially explicit simulation model suggests that entomopathogenic nematodes in non-Bt refuges could delay resistance by pink bollworm to Bt cotton. ..
  14. Xiong L, Lee Bh -, Ishitani M, Lee H, Zhang C, Zhu J. FIERY1 encoding an inositol polyphosphate 1-phosphatase is a negative regulator of abscisic acid and stress signaling in Arabidopsis. Genes Dev. 2001;15:1971-84 pubmed
    ..These results provide the first genetic evidence indicating that phosphoinositols mediate ABA and stress signal transduction in plants and their turnover is critical for attenuating ABA and stress signaling. ..
  15. Kim C, Hunter B, Kraft J, Boston R, Yans S, Jung R, et al. A defective signal peptide in a 19-kD alpha-zein protein causes the unfolded protein response and an opaque endosperm phenotype in the maize De*-B30 mutant. Plant Physiol. 2004;134:380-7 pubmed
    ..These results are consistent with the hypothesis that the De*-B30 mutation causes a defective signal peptide in a 19-kD alpha-zein protein. ..
  16. Larkindale J, Hall J, Knight M, Vierling E. Heat stress phenotypes of Arabidopsis mutants implicate multiple signaling pathways in the acquisition of thermotolerance. Plant Physiol. 2005;138:882-97 pubmed
  17. Xiong L, Lee H, Ishitani M, Zhu J. Regulation of osmotic stress-responsive gene expression by the LOS6/ABA1 locus in Arabidopsis. J Biol Chem. 2002;277:8588-96 pubmed
    ..These results suggest that the level of gene induction by osmotic stress is dependent on the dosage of the zeaxanthin epoxidase enzyme. ..
  18. Chung T, Wang D, Kim C, Yadegari R, Larkins B. Plant SMU-1 and SMU-2 homologues regulate pre-mRNA splicing and multiple aspects of development. Plant Physiol. 2009;151:1498-512 pubmed publisher
    ..Taken together, our data indicated that the plant SMU-1 and SMU-2 homologues appear to be involved in splicing of specific pre-mRNAs that affect multiple aspects of development...
  19. Lee H, Xiong L, Gong Z, Ishitani M, Stevenson B, Zhu J. The Arabidopsis HOS1 gene negatively regulates cold signal transduction and encodes a RING finger protein that displays cold-regulated nucleo--cytoplasmic partitioning. Genes Dev. 2001;15:912-24 pubmed
    ..However, in response to low temperature treatments, HOS1 accumulates in the nucleus. Ectopic expression of HOS1 in wild-type plants causes cosuppression of HOS1 expression and mimics the hos1 mutant phenotypes. ..
  20. Shi H, Quintero F, Pardo J, Zhu J. The putative plasma membrane Na(+)/H(+) antiporter SOS1 controls long-distance Na(+) transport in plants. Plant Cell. 2002;14:465-77 pubmed
    ..We present a model in which SOS1 functions in retrieving Na(+) from the xylem stream under severe salt stress, whereas under mild salt stress it may function in loading Na(+) into the xylem. ..
  21. Sabelli P, Hoerster G, Lizarraga L, Brown S, Gordon Kamm W, Larkins B. Positive regulation of minichromosome maintenance gene expression, DNA replication, and cell transformation by a plant retinoblastoma gene. Proc Natl Acad Sci U S A. 2009;106:4042-7 pubmed publisher
    ..Our results indicate a cell cycle pathway in maize, in which 2 RBR genes have specific and opposing functions. Thus, the paradigm that RBR genes are negative cell cycle regulators cannot be considered universal...