Seedling growth and development is the biology at the center of most of the research activities in our laboratory. Arabidopsis thaliana and maize are the species we primarily use in our cellular, physiological, and developmental studies. Increasing measurement throughput is key to leveraging the genetic resources built up around these model systems. For this reason, we develop computational tools required to make automated image-based studies of plant growth and development. More about specific current projects can be found by following the links below.

Moore CR, Johnson LS, Kwak I-Y, Livny M, Broman KW, Spalding EP (2013) High-throughput computer vision introduces the time axis to a quantitative trait map of a plant growth response. Genetics early online version

Vincill ED, Clarin AE, Molenda JN, Spalding EP (2013) Interacting glutamate receptor-like proteins in phloem regulate lateral root initiation. The Plant Cell 25: 1304-1313

Yoshihara T, Spalding EP†, Iino M† (2013) AtLAZY1 is a signaling component required for gravitropism of the Arabidopsis thaliana inflorescence. The Plant Journal 74: 267-279 (†co-corresponding authors)

Spalding EP, Miller ND (2013) Image analysis drives a renaissance in growth measurement. Current Opinion in Plant Biology 16: 100-104

Moore CR, Gronwall DS, Miller ND, Spalding EP (2013) Mapping quantitative trait loci affecting Arabidopsis thaliana seed morphology features extracted computationally from images. G3: Genes, Genomes, Genetics 3: 109-118 featured on the cover

Spalding EP (2013) Diverting the downhill flow of auxin to steer growth during tropisms. American Journal of Botany 100: 203-214

Subramanian R, Spalding EP, Ferrier NJ (2013) A High throughput robot system for machine vision based plant phenotype studies. Machine Vision and Applications 24: 619-636

Vincill ED, Bieck AM, Spalding EP (2012) Ca²⁺ conduction by an amino acid-gated ion channel related to glutamate receptors. Plant Physiology 159: 40-46

Spalding EP, Harper JF (2011) The ins and outs of cellular Ca²⁺ transport. Current Opinion in Plant Biology 14: 715-720

Elwell AL, Gronwall DS, Miller ND, Spalding EP, Durham Brooks TL (2011) Separating parental environment from seed-size effects on next generation growth and development in Arabidopsis. Plant Cell & Environment 34: 291-301

Wu G, Otegui MS, Spalding EP (2010) The ER-localized TWD1 immunophilin is necessary for localization of multidrug resistance-like proteins required for polar auxin transport in Arabidopsis roots. The Plant Cell 22: 3295-3304

Miller ND, Durham Brooks TL, Assadi AH, and Spalding EP (2010) Detection of a gravitropism phenotype in glutamate receptor-like 3.3 mutants of Arabidopsis thaliana using machine vision and computation. Genetics 186: 585-593  selected for Issue Highlights

Spalding EP (2010) The inside view on plant growth. Nature Methods 7: 506-507

Durham Brooks TL, Miller ND, Spalding EP (2010) Plasticity of Arabidopsis root gravitropism throughout a multi-dimensional condition space quantified by automated image analysis. Plant Physiology 152: 206-216

See the Science Nation video about our Phytomorph project and related articles in Popular Science and Vision Systems Design.

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