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Kunert, K.J.; van Wyk, S.G.; Cullis, C.A.; Vorster, B.J.; Foyer, C.H. |
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Title  |
Potential use of phytocystatins in crop improvement, with a particular focus on legumes |
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Journal Article |
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2015 |
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Journal of Experimental Botany |
Abbreviated Journal |
J. Experim. Bot. |
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66 |
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12 |
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3559-3570 |
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Crops, Agricultural/*growth & development/metabolism; Cystatins/*metabolism; Cysteine Proteases/metabolism; Fabaceae/*growth & development/metabolism; Plant Proteins/*metabolism; Plant Root Nodulation; Stress, Physiological; Chilling; cystatin; drought; protein degradation; senescence; soybean; stress tolerance |
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Abstract |
Phytocystatins are a well-characterized class of naturally occurring protease inhibitors that function by preventing the catalysis of papain-like cysteine proteases. The action of cystatins in biotic stress resistance has been studied intensively, but relatively little is known about their functions in plant growth and defence responses to abiotic stresses, such as drought. Extreme weather events, such as drought and flooding, will have negative impacts on the yields of crop plants, particularly grain legumes. The concepts that changes in cellular protein content and composition are required for acclimation to different abiotic stresses, and that these adjustments are achieved through regulation of proteolysis, are widely accepted. However, the nature and regulation of the protein turnover machinery that underpins essential stress-induced cellular restructuring remain poorly characterized. Cysteine proteases are intrinsic to the genetic programmes that underpin plant development and senescence, but their functions in stress-induced senescence are not well defined. Transgenic plants including soybean that have been engineered to constitutively express phytocystatins show enhanced tolerance to a range of different abiotic stresses including drought, suggesting that manipulation of cysteine protease activities by altered phytocystatin expression in crop plants might be used to improve resilience and quality in the face of climate change. |
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0022-0957 1460-2431 |
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Review |
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CropM |
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MA @ admin @ |
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4564 |
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Author |
Halford, N.G.; Foyer, C.H. |
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Title |
Producing a road map that enables plants to cope with future climate change |
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Journal Article |
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Year |
2015 |
Publication |
Journal of Experimental Botany |
Abbreviated Journal |
J. Experim. Bot. |
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66 |
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12 |
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3433-3434 |
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0022-0957 |
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Editorial Material |
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CropM |
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MA @ admin @ |
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4704 |
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Fodor, N.; Foskolos, A.; Topp, C.F.E.; Moorby, J.; Pásztor, L.; Foyer, C. |
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Spatially explicit estimation of heat stress related impact of climate change onthe milk production of dairy cows in the United Kingdom |
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Environmental Research Letters |
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5021 |
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