2019, Number 1
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TIP Rev Esp Cienc Quim Biol 2019; 22 (1)
Role of plant hormones in the regulation of autophagy in plants
Porta H, Jiménez-Nopala G
Language: Spanish
References: 56
Page: 1-11
PDF size: 829.41 Kb.
ABSTRACT
Plant hormones are signaling molecules that are localized in different plant tissues and in specific amounts according to
the process that they regulate. Changes in the concentration and distribution of plant hormones modulate the development
and responses to biotic and abiotic stress.
Autophagy, which means self-digestion, is a mechanism that degrades damaged or toxic components that arise from
the metabolism, in order to recycle them and maintain the health of the cell. The most studied type of autophagy is
macroautophagy which will be referred in this review as autophagy. In this process, double membrane vesicles called
autophagosomes are formed to enclose damaged or unwanted cell cargo, which is later deposited for its degradation
into the vacuole, from where the cell recovers amino acids, lipids and proteins. Indeed, communication between plant
hormones and autophagy has been observed during development and growth, senescence and programmed cell death.
In this review we discuss the advances in the understanding of the role of plant hormones involved in the modulation
of autophagy in plants.
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