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Acta Biochim Pol. 2004;51(3):609-24.

Multifunctional role of plant cysteine proteinases.

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Plant Physiology and Biochemistry Department, Plant Breeding and Acclimatization Institute, Radzików, Warsaw, Poland.


Cysteine proteinases also referred to as thiol proteases play an essential role in plant growth and development but also in senescence and programmed cell death, in accumulation of storage proteins such as in seeds, but also in storage protein mobilization. Thus, they participate in both anabolic and catabolic processes. In addition, they are involved in signalling pathways and in the response to biotic and abiotic stresses. In this review an attempt was undertaken to illustrate these multiple roles of cysteine proteinases and the mechanisms underlying their action.

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