Maloof Lab

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Room 2115
Section of Plant Biology
1002 Life Sciences, One Shields Ave.
University of California Davis
Davis, CA 95616


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How do organisms adapt to different environments? We are interested in understanding the genetic and molecular changes that take place as organisms adapt to different environments. Which genes change, what types of genetic changes occur, and how do these changes affect the organism at the biochemical, physiological, and ecological levels?

Since plants are rooted in their environment, they are particularly adept at coping with their environment. Furthermore different species, and populations within species, have adapted to different environments. Therefore plants are well suited for studying adaptation mechanisms.

Because light is fundamental to plant growth, we have focused on how plants sense and respond to environmental light cues. We are focused on light perception by the phytochrome photoreceptors. Phytochromes sense red and far-red light and provide information about the density of neighboring foliage (among other things).

We work on domesticated and wild tomato, Brassica rapa, Arabidopsis thaliana and related species using a combination of genomics, molecular and quantitative genetics, and molecular evolution techniques.


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Recent Publications

  • Maloof, J. N., Nozue, K., Mumbach, M. R., and Palmer, C. M. (2013). LeafJ: An ImageJ Plugin for Semi-automated Leaf Shape Measurement. JoVE. [1]
  • Sharlach, M., Dahlbeck, D., Liu, L., Chiu, J., Jiménez-Gómez, J. M., Kimura, S., Koenig, D., Maloof, J. N., Sinha, N., Minsavage, G. V., et al. (2012). Fine genetic mapping of RXopJ4, a bacterial spot disease resistance locus from Solanum pennellii LA716. Theor Appl Genet.[2]
  • Seymour, D. K., Filiault, D. L., Henry, I. M., Monson-Miller, J., Ravi, M., Pang, A., Comai, L., Chan, S. W. L., and Maloof, J. N. (2012). Rapid creation of Arabidopsis doubled haploid lines for quantitative trait locus mapping. Proc Natl Acad Sci USA 109, 4227–4232.[3]
  • Filiault, D. L., and Maloof, J. N. (2012). A Genome-Wide Association Study Identifies Variants Underlying the Arabidopsis thaliana Shade Avoidance Response. PLoS Genet 8, e1002589.[4]
  • Chitwood, D. H., Headland, L. R., Kumar, R., Peng, J., Maloof, J. N., and Sinha, N. R. (2012). The developmental trajectory of leaflet morphology in wild tomato species. Plant Physiol.[5]
  • Kumar, R., Ichihashi, Y., Kimura, S., Chitwood, D. H., Headland, L. R., Peng, J., Maloof, J. N., and Sinha, N. R. (2012). A High-Throughput Method for Illumina RNA-Seq Library Preparation. Front Plant Sci 3, 202. [6]
  • Chitwood, D. H., Headland, L. R., Filiault, D. L., Kumar, R., Jiménez-Gómez, J. M., Schrager, A. V., Park, D. S., Peng, J., Sinha, N. R., and Maloof, J. N. (2012). Native Environment Modulates Leaf Size and Response to Simulated Foliar Shade across Wild Tomato Species. PLoS ONE 7, e29570.[7]