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My major interest is in the regulation of plant growth and cell expansion. In particular, my laboratory is focused on to environmental problems, soil salinity and elevated carbon dioxide, and how these conditions affect growth.
There is a very strong linkage between cell elongation, plant productivity and crop yields. The production of all plant parts is dependent upon the supply of external resources, such as water, mineral nutrients or carbon. Cell elongation is important for the capture of these resources, particularly when they are limiting growth. An increase in cell size will increase cell surface area, enabling roots to explore more of the soil for water and minerals, and leaves to capture more photosynthetic radiation. The size of a stressed plant is dependent upon cell production and cell expansion, both of which may be affected by stress. The intensive use of resources by man has had it side-effects. Two notable effects are the increase in atmospheric CO2 leading to the “greenhouse effect” and the increase of salinized soils of irrigated lands leading to reductions in crop productivity on those soils. In general, plants have not yet adapted to fully utilize the resources in these new environments. Through the use of new techniques in biotechnology, we can make better plants, which are more suitably adapted to these environmental conditions.
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Maria-Sole Bonarota,Haley S. Toups, Steven T. Bristow,Patricia Santos,Louise E. Jackson,Grant R. Cramer,Felipe H. Barrios-Masias
PLANT STRESS (2024): 100346
OENO Oneno. 4 (2022): 125-137
Research Square (Research Square) (2021)
PLANT CELL AND ENVIRONMENTno. 3.0 (2020): 548.0-562.0
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