
@article {115813,
	title = {Double DJ-1 domain containing Arabidopsis DJ-1D is a robust macromolecule deglycase.},
	journal = {New Phytol},
	year = {2022},
	month = {2022 Jul 31},
	abstract = {<p>Plants, being sessile, are prone to genotoxin-induced macromolecule damage. Among the inevitable damaging agents are reactive carbonyls that induce glycation of DNA, RNA and proteins to result in the build-up of advanced glycated end-products. However, it is unclear how plants repair glycated macromolecules. DJ-1/PARK7 members are a highly conserved family of moonlighting proteins having double domains in higher plants and single domains in other phyla. Here we show that Arabidopsis DJ-1D offers robust tolerance to endogenous and exogenous stresses through its ability to repair glycated DNA, RNA and proteins. DJ-1D also reduced the formation of reactive carbonyls through its efficient methylglyoxalase activity. Strikingly, full-length double domain-containing DJ-1D suppressed the formation of advanced glycated end-products in yeast and plants. DJ-1D also efficiently repaired glycated nucleic acids and nucleotides in vitro and mitochondrial DNA in vivo under stress, indicating the existence of a new DNA repair pathway in plants. We propose that multi-stress responding plant DJ-1 members, often present in multiple copies among plants, probably contributed to the adaptation to a variety of endogenous and exogenous stresses.</p>
},
	issn = {1469-8137},
	doi = {10.1111/nph.18414},
	author = {Prasad, Melvin and Kataria, Priyanka and Ningaraju, Sunayana and Buddidathi, Radhika and Bankapalli, Kondalarao and Swetha, Chenna and Susarla, Gautam and Venkatesan, Radhika and D{\textquoteright}Silva, Patrick and Shivaprasad, Padubidri V}
}
@article {16579,
	title = {Methylglyoxal detoxification by a DJ-1 family protein provides dual abiotic and biotic stress tolerance in transgenic plants.},
	journal = {Plant Mol Biol},
	year = {2017},
	month = {2017 Apr 25},
	abstract = {<p>Methylglyoxal (MG) is a key signaling molecule resulting from glycolysis and other metabolic pathways. During abiotic stress, MG levels accumulate to toxic levels in affected cells. However, MG is routinely detoxified through the action of DJ1/PARK7/Hsp31 proteins that are highly conserved across kingdoms and mutations in such genes are associated with neurodegenerative diseases. Here, we report for the first time that, similar to abiotic stresses, MG levels increase during biotic stresses in plants, likely contributing to enhanced susceptibility to a wide range of stresses. We show that overexpression of yeast Heat shock protein 31 (Hsp31), a DJ-1 homolog with robust MG detoxifying capabilities, confers dual biotic and abiotic stress tolerance in model plant Nicotiana tabacum. Strikingly, overexpression of Hsp31 in tobacco imparts robust stress tolerance against diverse biotic stress inducers such as viruses, bacteria and fungi, in addition to tolerance against a range of abiotic stress inducers. During stress, Hsp31 was targeted to mitochondria and induced expression of key stress-related genes. These results indicate that Hsp31 is a novel attractive tool to engineer plants against both biotic and abiotic stresses.</p>
},
	issn = {1573-5028},
	doi = {10.1007/s11103-017-0613-9},
	author = {Melvin, Prasad and Bankapalli, Kondalarao and D{\textquoteright}Silva, Patrick and Shivaprasad, P V}
}
