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Title: Extending juvenility in grasses

The present invention relates to compositions and methods for modulating the juvenile to adult developmental growth transition in plants, such as grasses (e.g. maize). In particular, the invention provides methods for enhancing agronomic properties in plants by modulating expression of GRMZM2G362718, GRMZM2G096016, or homologs thereof. Modulation of expression of one or more additional genes which affect juvenile to adult developmental growth transition such as Glossy15 or Cg1, in conjunction with such modulation of expression is also contemplated. Nucleic acid constructs for down-regulation of GRMZM2G362718 and/or GRMZM2G096016 are also contemplated, as are transgenic plants and products produced there from, that demonstrate altered, such as extended juvenile growth, and display associated phenotypes such as enhanced yield, improved digestibility, and increased disease resistance. Plants described herein may be used, for example, as improved forage or feed crops or in biofuel production.
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Issue Date:
OSTI Identifier:
Wiconsin Alumni Research Foundation CHO
Patent Number(s):
Application Number:
Contract Number:
Resource Relation:
Patent File Date: 2013 Mar 15
Research Org:
Wisconsin Alumni Research Foundation, Madison, WI (United States)
Sponsoring Org:
Country of Publication:
United States

Works referenced in this record:

Cell Wall Composition in Juvenile and Adult Leaves of Maize ( Zea mays L.)
journal, May 2006
  • Abedon, Bruce G.; Hatfield, Ronald D.; Tracy, William F.
  • Journal of Agricultural and Food Chemistry, Vol. 54, Issue 11, p. 3896-3900
  • DOI: 10.1021/jf052872w

The Genetic Architecture of Maize Flowering Time
journal, August 2009
  • Buckler, E. S.; Holland, J. B.; Bradbury, P. J.
  • Science, Vol. 325, Issue 5941, p. 714-718
  • DOI: 10.1126/science.1174276

The heterochronic maize mutant Corngrass1 results from overexpression of a tandem microRNA
journal, March 2007
  • Chuck, George; Cigan, A. Mark; Saeteurn, Koy
  • Nature Genetics, Vol. 39, Issue 4, p. 544-549
  • DOI: 10.1038/ng2001

Overexpression of the maize Corngrass1 microRNA prevents flowering, improves digestibility, and increases starch content of switchgrass
journal, October 2011
  • Chuck, G. S.; Tobias, C.; Sun, L.
  • Proceedings of the National Academy of Sciences, Vol. 108, Issue 42, p. 17550-17555
  • DOI: 10.1073/pnas.1113971108

A Robust, Simple Genotyping-by-Sequencing (GBS) Approach for High Diversity Species
journal, May 2011

Maize association population: a high-resolution platform for quantitative trait locus dissection
journal, November 2005

Maize (Zea mays L.) Genome Diversity as Revealed by RNA-Sequencing
journal, March 2012
  • Hansey, Candice N.; Vaillancourt, Brieanne; Sekhon, Rajandeep S.
  • PLoS ONE, Vol. 7, Issue 3, Article No. e33071
  • DOI: 10.1371/journal.pone.0033071

Expanding the genetic map of maize with the intermated B73 × Mo17 (IBM) population
journal, January 2002
  • Lee, Michael; Sharopova, Natalya; Beavis, William D.
  • Plant Molecular Biology, Vol. 48, Issue 5-6, p. 453-461
  • DOI: 10.1023/A:1014893521186

Glossy15, an APETALA2-like gene from maize that regulates leaf epidermal cell identity.
journal, December 1996

MicroRNA Gene Regulation Cascades During Early Stages of Plant Development
journal, October 2010
  • Nonogaki, Hiroyuki
  • Plant and Cell Physiology, Vol. 51, Issue 11, p. 1840-1846
  • DOI: 10.1093/pcp/pcq154

SGS3 and SGS2/SDE1/RDR6 are required for juvenile development and the production of trans-acting siRNAs in Arabidopsis
journal, September 2004

Divergent Recurrent Selection for Vegetative Phase Change and Effects on Agronomic Traits and Corn Borer Resistance
journal, January 2008

The B73 Maize Genome: Complexity, Diversity, and Dynamics
journal, November 2009
  • Schnable, P. S.; Ware, D.; Fulton, R. S.
  • Science, Vol. 326, Issue 5956, p. 1112-1115
  • DOI: 10.1126/science.1178534

Genome-wide atlas of transcription during maize development
journal, March 2011

The Arabidopsis defense component EDM2 affects the floral transition in an FLC-dependent manner: EDM2 promotes the floral transition
journal, February 2010

Time to grow up: the temporal role of smallRNAs in plants
journal, October 2005
  • Willmann, Matthew R.; Poethig, R. Scott
  • Current Opinion in Plant Biology, Vol. 8, Issue 5, p. 548-552
  • DOI: 10.1016/j.pbi.2005.07.008

The effect of the floral repressor FLC on the timing and progression of vegetative phase change in Arabidopsis
journal, January 2011
  • Willmann, Matthew R.; Poethig, R. Scott
  • Development, Vol. 138, Issue 4, p. 677-685
  • DOI: 10.1242/dev.057448