Elena M Kramer

Summary

Affiliation: Harvard University
Country: USA

Publications

  1. pmc Elaboration of B gene function to include the identity of novel floral organs in the lower eudicot Aquilegia
    Elena M Kramer
    Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, Massachusetts 02138, USA
    Plant Cell 19:750-66. 2007
  2. ncbi request reprint Molecular evolution of the petal and stamen identity genes, APETALA3 and PISTILLATA, after petal loss in the Piperales
    M Alejandra Jaramillo
    Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA 02138, USA
    Mol Phylogenet Evol 44:598-609. 2007
  3. doi request reprint Aquilegia: a new model for plant development, ecology, and evolution
    Elena M Kramer
    Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, Massachusetts 02138, USA
    Annu Rev Plant Biol 60:261-77. 2009
  4. pmc Conserved roles for Polycomb Repressive Complex 2 in the regulation of lateral organ development in Aquilegia x coerulea 'Origami'
    Emily J Gleason
    Department of Organismic and Evolutionary Biology, Harvard University, 16 Divinity Ave, Cambridge, MA 02138, USA
    BMC Plant Biol 13:185. 2013
  5. pmc Understanding the basis of a novel fruit type in Brassicaceae: conservation and deviation in expression patterns of six genes
    Mariano Avino
    Department of Biological Sciences, University of Alberta, Edmonton, AB, T6G 2E9, Canada
    Evodevo 3:20. 2012
  6. pmc Environmental and molecular analysis of the floral transition in the lower eudicot Aquilegia formosa
    Evangeline S Ballerini
    Dept, of Organismic and Evolutionary Biology, Harvard University, 16 Divinity Ave, Cambridge, MA, 02138, USA
    Evodevo 2:4. 2011
  7. ncbi request reprint Evolution. Traversing the adaptive landscape in snapdragons
    Elena M Kramer
    Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA 02138, USA
    Science 313:924-5. 2006
  8. pmc A simplified explanation for the frameshift mutation that created a novel C-terminal motif in the APETALA3 gene lineage
    Elena M Kramer
    Dept of Organismic and Evolutionary Biology, Harvard University, Cambridge MA 02138, USA
    BMC Evol Biol 6:30. 2006
  9. pmc Aquilegia as a model system for the evolution and ecology of petals
    Elena M Kramer
    Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA 02138, USA
    Philos Trans R Soc Lond B Biol Sci 365:477-90. 2010
  10. pmc Patterns of gene duplication and functional evolution during the diversification of the AGAMOUS subfamily of MADS box genes in angiosperms
    Elena M Kramer
    Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA 02138, USA
    Genetics 166:1011-23. 2004

Collaborators

Detail Information

Publications35

  1. pmc Elaboration of B gene function to include the identity of novel floral organs in the lower eudicot Aquilegia
    Elena M Kramer
    Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, Massachusetts 02138, USA
    Plant Cell 19:750-66. 2007
    ..In addition, they indicate that some types of petaloid organs are not entirely dependent on AP3/PI homologs for their identity...
  2. ncbi request reprint Molecular evolution of the petal and stamen identity genes, APETALA3 and PISTILLATA, after petal loss in the Piperales
    M Alejandra Jaramillo
    Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA 02138, USA
    Mol Phylogenet Evol 44:598-609. 2007
    ..Relaxed purifying selection after the loss of only one of these organs suggests that there has been dissociation of the functional roles of these genes in the Piperales...
  3. doi request reprint Aquilegia: a new model for plant development, ecology, and evolution
    Elena M Kramer
    Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, Massachusetts 02138, USA
    Annu Rev Plant Biol 60:261-77. 2009
    ..Overall, Aquilegia stands as a key example of the potential utility and speed of developing new genetic model systems...
  4. pmc Conserved roles for Polycomb Repressive Complex 2 in the regulation of lateral organ development in Aquilegia x coerulea 'Origami'
    Emily J Gleason
    Department of Organismic and Evolutionary Biology, Harvard University, 16 Divinity Ave, Cambridge, MA 02138, USA
    BMC Plant Biol 13:185. 2013
    ..While the functions of these transcription factors are known to be deeply conserved, whether or not their regulation by PRC2 is similarly conserved remains an open question...
  5. pmc Understanding the basis of a novel fruit type in Brassicaceae: conservation and deviation in expression patterns of six genes
    Mariano Avino
    Department of Biological Sciences, University of Alberta, Edmonton, AB, T6G 2E9, Canada
    Evodevo 3:20. 2012
    ..abstract:..
  6. pmc Environmental and molecular analysis of the floral transition in the lower eudicot Aquilegia formosa
    Evangeline S Ballerini
    Dept, of Organismic and Evolutionary Biology, Harvard University, 16 Divinity Ave, Cambridge, MA, 02138, USA
    Evodevo 2:4. 2011
    ..abstract:..
  7. ncbi request reprint Evolution. Traversing the adaptive landscape in snapdragons
    Elena M Kramer
    Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA 02138, USA
    Science 313:924-5. 2006
  8. pmc A simplified explanation for the frameshift mutation that created a novel C-terminal motif in the APETALA3 gene lineage
    Elena M Kramer
    Dept of Organismic and Evolutionary Biology, Harvard University, Cambridge MA 02138, USA
    BMC Evol Biol 6:30. 2006
    ..It has been suggested that the new motif was created by an eight-nucleotide insertion that produced a translational frameshift...
  9. pmc Aquilegia as a model system for the evolution and ecology of petals
    Elena M Kramer
    Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA 02138, USA
    Philos Trans R Soc Lond B Biol Sci 365:477-90. 2010
    ....
  10. pmc Patterns of gene duplication and functional evolution during the diversification of the AGAMOUS subfamily of MADS box genes in angiosperms
    Elena M Kramer
    Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA 02138, USA
    Genetics 166:1011-23. 2004
    ..The multiple subfunctionalization events that have occurred in this subfamily highlight the potential for gene duplication to lead to dissociation among genetic modules, thereby allowing an increase in morphological diversity...
  11. ncbi request reprint Evolutionary dynamics of genes controlling floral development
    Elena M Kramer
    Department of Organismic and Evolutionary Biology, Harvard University, 16 Divinity Avenue, Cambridge, Massachusetts 02138, USA
    Curr Opin Plant Biol 8:13-8. 2005
    ..Taken together, these trends show that the field of floral developmental evolution continues to make significant progress towards elucidating the processes that have shaped the evolution of flower development and morphology...
  12. ncbi request reprint APETALA3 and PISTILLATA homologs exhibit novel expression patterns in the unique perianth of Aristolochia (Aristolochiaceae)
    M Alejandra Jaramillo
    Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA 02138, USA
    Evol Dev 6:449-58. 2004
    ..The implications of these findings for the evolution of both petaloidy and B gene function are discussed...
  13. ncbi request reprint Floral MADS box genes and homeotic gender dimorphism in Thalictrum dioicum (Ranunculaceae) - a new model for the study of dioecy
    Veronica S Di Stilio
    Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA 02138, USA
    Plant J 41:755-66. 2005
    ..In light of these findings, we discuss the potential of T. dioicum as a new model for the study of sex determination in the basal eudicots...
  14. ncbi request reprint Evolution of the APETALA3 and PISTILLATA lineages of MADS-box-containing genes in the basal angiosperms
    Giulia M Stellari
    Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, Massachusetts, USA
    Mol Biol Evol 21:506-19. 2004
    ..The implications of these findings for angiosperm systematics, the conservation of AP3 and PI gene function, and the evolution of the ABC program are discussed...
  15. doi request reprint Pleiotropy in the wild: the dormancy gene DOG1 exerts cascading control on life cycles
    George C K Chiang
    Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, Massachusetts 02138, USA
    Evolution 67:883-93. 2013
    ..In this case, one gene acting at the seed stage impacted the entire life cycle...
  16. pmc Similar genetic mechanisms underlie the parallel evolution of floral phenotypes
    Wenheng Zhang
    Department of Organismic and Evolutionary Biology, Harvard University Herbaria, Cambridge, Massachusetts, USA
    PLoS ONE 7:e36033. 2012
    ..These results indicate that similar floral phenotypes in this large angiosperm clade have evolved via parallel genetic changes from an otherwise highly conserved developmental program...
  17. pmc Major flowering time gene, flowering locus C, regulates seed germination in Arabidopsis thaliana
    George C K Chiang
    Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA 02138, USA
    Proc Natl Acad Sci U S A 106:11661-6. 2009
    ..Therefore, pleiotropy between these major life stages likely influences patterns of natural selection on this important gene, making FLC a promising case for examining how pleiotropy influences adaptive evolution...
  18. doi request reprint Petal-specific subfunctionalization of an APETALA3 paralog in the Ranunculales and its implications for petal evolution
    Bharti Sharma
    Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA 02138, USA
    New Phytol 191:870-83. 2011
    ....
  19. pmc Differential regulation of symmetry genes and the evolution of floral morphologies
    Lena C Hileman
    Department of Organismic and Evolutionary Biology, Harvard University, 16 Divinity Avenue, Cambridge, MA 02138, USA
    Proc Natl Acad Sci U S A 100:12814-9. 2003
    ....
  20. ncbi request reprint Methods for studying the evolution of plant reproductive structures: comparative gene expression techniques
    Elena M Kramer
    Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, Massachusetts 02138, USA
    Methods Enzymol 395:617-36. 2005
    ..Suggestions for adapting basic protocols for diverse taxa and troubleshooting are also extensively discussed...
  21. doi request reprint Characterization of Aquilegia Polycomb Repressive Complex 2 homologs reveals absence of imprinting
    Emily J Gleason
    Dept of Organismic and Evolutionary Biology, Harvard University, 16 Divinity Ave Cambridge, MA, 02138, USA
    Gene 507:54-60. 2012
    ..Both AqSWN and AqCLF are expressed in Aquilegia endosperm but neither copy is imprinted...
  22. pmc Developmental origins of the world's largest flowers, Rafflesiaceae
    Lachezar A Nikolov
    Department of Organismic and Evolutionary Biology, Harvard University Herbaria, Cambridge, MA 02138
    Proc Natl Acad Sci U S A 110:18578-83. 2013
    ..The developmental repatterning we identified in Rafflesia, in particular, may have provided architectural reinforcement, which permitted the explosive growth in floral diameter that has arisen secondarily within this subclade. ..
  23. pmc Evolution of spur-length diversity in Aquilegia petals is achieved solely through cell-shape anisotropy
    Joshua R Puzey
    Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA 02138, USA
    Proc Biol Sci 279:1640-5. 2012
    ....
  24. pmc Floral symmetry genes and the origin and maintenance of zygomorphy in a plant-pollinator mutualism
    Wenheng Zhang
    Department of Organismic and Evolutionary Biology, Harvard University Herbaria, Cambridge, MA 02138, USA
    Proc Natl Acad Sci U S A 107:6388-93. 2010
    ..We consider three evolutionary models that may have given rise to this patterning, including the hypothesis that floral zygomorphy in Malpighiaceae arose earlier than standard morphology-based character reconstructions suggest...
  25. ncbi request reprint Genetic basis for innovations in floral organ identity
    Elena M Kramer
    Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, Massachusetts 02138, USA
    J Exp Zool B Mol Dev Evol 304:526-35. 2005
    ..Comparative studies of petal identity highlight the complex nature of homology in plants and stand as a cautionary tale for the interpretation of gene expression data...
  26. doi request reprint Virus-induced gene silencing in the rapid cycling columbine Aquilegia coerulea "Origami"
    Bharti Sharma
    Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA, USA
    Methods Mol Biol 975:71-81. 2013
    ..In the current protocol, we demonstrate VIGS using Agrobacterium strain GV3101 carrying tobacco rattle virus (TRV)-based constructs to infect Aquilegia coerulea "Origami" plants via vacuum infiltration...
  27. doi request reprint Chapter 4. New model systems for the study of developmental evolution in plants
    Elena M Kramer
    Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA, USA
    Curr Top Dev Biol 86:67-105. 2009
    ..Such complementary approaches are yielding exciting new results that shed light on both micro- and macroevolutionary processes in the context of developmental evolution...
  28. doi request reprint Old dogs, new tricks: regulatory evolution in conserved genetic modules leads to novel morphologies in plants
    Faye M Rosin
    Organismic and Evolutionary Biology Department, Harvard University, 16 Divinity Avenue, Cambridge, MA 02138, USA
    Dev Biol 332:25-35. 2009
    ..Overall, such examples highlight the interdependence of the three processes--regulatory evolution, gene duplication and co-option--within the context of plant developmental evolution...
  29. doi request reprint Identification of conserved Aquilegia coerulea microRNAs and their targets
    Joshua R Puzey
    Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA 02138, USA
    Gene 448:46-56. 2009
    ..This study provides a phylogenetically important dataset for plant microRNA evolution studies. The current study is the first to identify miRNAs in a lower eudicot in which comprehensive genomic resources are becoming available...
  30. doi request reprint Floral structure and development in Rafflesiaceae with emphasis on their exceptional gynoecia
    Lachezar A Nikolov
    Department of Organismic and Evolutionary Biology, Harvard University Herbaria, Cambridge, Massachusetts 02138 USA
    Am J Bot 101:225-43. 2014
    ..Here, we expand that research to investigate the structure and development of the reproductive organs of Rafflesiaceae...
  31. doi request reprint The evolution of reproductive structures in seed plants: a re-examination based on insights from developmental genetics
    Sarah Mathews
    Arnold Arboretum, Harvard University, Boston, MA 02131, USA
    New Phytol 194:910-23. 2012
    ..Although these hypotheses may suggest that some long-standing interpretations are misleading, they also open up whole new avenues for comparative study and suggest concrete best practices for evolutionary analyses of development...
  32. pmc Deep annotation of Populus trichocarpa microRNAs from diverse tissue sets
    Joshua R Puzey
    Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, Massachusetts, United States of America
    PLoS ONE 7:e33034. 2012
    ..trichocarpa through deep sRNA sequencing from diverse tissue sets. Our data significantly expands the P. trichocarpa miRNA repertoire, which will facilitate a broad range of research in this major model system...
  33. doi request reprint Are we there yet? Tracking the development of new model systems
    Arhat Abzhanov
    Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA 02138, USA
    Trends Genet 24:353-60. 2008
    ..We hope that researchers will be inspired to explore this array of emerging models and even consider developing new molecular tools for their own favorite organism...
  34. pmc In the Light of Evolution: A Reevaluation of Conservation in the CO-FT Regulon and Its Role in Photoperiodic Regulation of Flowering Time
    Evangeline S Ballerini
    Department of Organismic and Evolutionary Biology, Harvard University Cambridge, MA, USA
    Front Plant Sci 2:81. 2011
    ..In addition, although there is an element of conserved function for FT homologs, even this component has surprising complexity in its regulation and evolution...
  35. ncbi request reprint Columbines
    Scott A Hodges
    Department of Ecology, Evolution and Marine Biology, University of California, Santa Barbara, Santa Barbara, California 93106 9610, USA
    Curr Biol 17:R992-4. 2007