Saleeba, Jennifer - University of Sydney - School of Biological Sciences

研究领域

Genetics of root branching patterns Our lab is pursuing a research project on the genetic mechanisms of lateral root formation in Arabidopsis thaliana and their consequences to the plant as a whole. We have mapped the chromosomal positions of several genes involved in root architecture. Lab members have developed specialised bioinformatics software that can weigh up the relative likelihood of different candidate genes being important in this phenotype. Currently the lab is screening gene knockout lines in order to pinpoint the most important genes. The long-term outcome of this project will be to gain a genetic understanding of root formation. The information could be applied to the improvement of roots in field crops and plants of horticultural importance so that they can better search for water and nutrients and are more resilient to mechanical damage by wind and rain. Lamina Flow Complex genetic systems Organisms are constantly making decisions about very complex questions. We aim to understand the genetics of at least some of this complexity. How does an organism respond to its environment and genotype and what affect does this response have on the whole organism? We are using quantitative tools in genetics in order to address this goal. Lab Natural variation Close relatives of plants have many similarities and some very distinct differences. We aim to investigate the genetic differences between taxa in order to find out in what way these differences are genetically encoded.

近期论文

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Mukasa-Mugerwa, T., Saleeba, J., McGee, P. (2013). A variety of melanised root-associated fungi from the Sydney basin form endophytic associations with Trifolium subterraneum. Fungal Ecology, 6(1), 70-82. [More Information] Daynes, C., Field, D., Saleeba, J., Cole, M., McGee, P. (2013). Development and stabilisation of soil structure via interactions between organic matter, arbuscular mycorrhizal fungi and plant roots. Soil Biology and Biochemistry, 57, 683-694. [More Information] Daynes, C., Zhang, N., Saleeba, J., McGee, P. (2012). Soil aggregates formed in vitro by saprotrophic Trichocomaceae have transient water-stability. Soil Biology and Biochemistry, 48, 151-161. [More Information] Midgley, D., McGee, P., Stewart, M., Saleeba, J. (2011). Diverse assemblages of ascomecetous fungi occur in woodland, grassland and cropping soils of northern-central New South Wales, Australia. Australasian Mycologist, 29, 29-36. Syed, N., Midgley, D., Ly, P., Saleeba, J., McGee, P. (2009). Do plant endophytic and free-living Chaetomium species differ? Australasian Mycologist, 28, 51-55. Midgley, D., Saleeba, J., Stewart, M., Simpson, A., McGee, P. (2007). Molecular diversity of soil basidiomycete communities in northern-central New South Wales, Australia. Mycological Research, 111(3), 370-378. Midgley, D., Saleeba, J., Stewart, M., McGee, P. (2007). Novel soil lineages of Archaea are present in semi-arid soils of eastern Australia. Canadian Journal of Microbiology, 53(1), 129-138. Istifadah, N., Saleeba, J., McGee, P. (2006). Isolates of endophytic Chaetomium spp. inhibit the fungal pathogen, Pyrenophora tritici-repentis, in vitro. Canadian Journal Of Botany-Revue Canadienne De Botanique, 84(7), 1148-1155. Palmer, C., Saleeba, J., Lyon, B. (2006). Phytotoxicity on cotton ex-plants of an 18.5 kDa protein from culture filtrates of Verticillium dahliae. Physiological and Molecular Plant Pathology, 67(6), 308-318. Midgley, D., Jordan, L., Saleeba, J., McGee, P. (2006). Utilisation of carbon substrates by orchid and ericoid mycorrhizal fungi from Australian dry sclerophyll forests. Mycorrhiza, 16(3), 175-182. Becerra Lopez-Lavalle, L., Saleeba, J., Lyon, B. (2005). Molecular identification of fungi isolated from stem tissue of Upland cotton (Gossypium hirsutum). Australian Journal of Botany, 53(6), 571-578. Jakobsen, I., Saleeba, J., Poidinger, M., Littlejohn, T. (2001). TreeGeneBrowser: phylogenetic data mining of gene sequences from public databases. Bioinformatics, 17, 535-540.