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Propagation of cell death in dropdead1, a sorghum ortholog of the maize lls1 mutant

. Conceptualization: Anoop Sindhu, Diane Janick-Buckner, Brent Buckner, John Gray, Usha Zehr, Brian P. Dilkes, Gurmukh S. Johal. 15 / 18 Formal analysis: Anoop Sindhu, Diane Janick-Buckner, Brent Buckner, John Gray ... , Usha Zehr, Brian P. Dilkes, Gurmukh S. Johal. Funding acquisition: Brian P. Dilkes, Gurmukh S. Johal. Investigation: Anoop Sindhu, Diane Janick-Buckner, Brent Buckner, John Gray, Gurmukh S. Johal

Camouflage Patterning in Maize Leaves Results from a Defect in Porphobilinogen Deaminase

Maize leaves are produced from polarized cell divisions that result in clonal cell lineages arrayed along the long axis of the leaf. We utilized this stereotypical division pattern to identify a collection of mutants that form chloroplast pigmentation sectors that violate the clonal cell lineages. Here, we describe the camouflage1 (cf1) mutant, which develops nonclonal, yellow...

Laser Microdissection of Narrow Sheath Mutant Maize Uncovers Novel Gene Expression in the Shoot Apical Meristem

Microarrays enable comparative analyses of gene expression on a genomic scale, however these experiments frequently identify an abundance of differentially expressed genes such that it may be difficult to identify discrete functional networks that are hidden within large microarray datasets. Microarray analyses in which mutant organisms are compared to nonmutant siblings can be...

Microdissection of Shoot Meristem Functional Domains

The shoot apical meristem (SAM) maintains a pool of indeterminate cells within the SAM proper, while lateral organs are initiated from the SAM periphery. Laser microdissection–microarray technology was used to compare transcriptional profiles within these SAM domains to identify novel maize genes that function during leaf development. Nine hundred and sixty-two differentially...