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Characterization of five polyamine oxidase isoforms in Arabidopsis thaliana
The genome of Arabidopsis thaliana contains five genes (AtPAO1 to AtPAO5) encoding polyamine oxidase (PAO) which is an enzyme responsible for polyamine catabolism. To understand the individual rolesExpand
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Quantitative analysis of plant polyamines including thermospermine during growth and salinity stress.
Arabidopsis thaliana was thought to contain two spermine synthase genes, ACAULIS 5 (ACL5) and SPMS. Recent investigations, however, revealed that the ACL5 gene encodes thermospermine synthase. InExpand
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Molecular and genetic characterization of the gene family encoding the voltage-dependent anion channel in Arabidopsis
The voltage-dependent anion channel (VDAC), a major outer mitochondrial membrane protein, is thought to play an important role in energy production and apoptotic cell death in mammalian systems.Expand
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The polyamine spermine protects against high salt stress in Arabidopsis thaliana
It is well known that changes in abiotic conditions such as the concentration of ions, temperature and humidity lead to modulation of polyamine contents in plants. However, little is known about theExpand
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A subset of hypersensitive response marker genes, including HSR203J, is the downstream target of a spermine signal transduction pathway in tobacco.
A cellular signal transduction pathway induced by the polyamine, spermine (Spm), and transmitted by mitochondrial dysfunction is proposed in tobacco. In this investigation, we further resolve theExpand
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A protective role for the polyamine spermine against drought stress in Arabidopsis.
Cellular polyamine content often changes in response to abiotic stresses. However, its physiological relevance is unknown. We found that an Arabidopsis mutant plant (acl5/spms), which cannot produceExpand
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Constitutively and highly expressed Oryza sativa polyamine oxidases localize in peroxisomes and catalyze polyamine back conversion
Polyamine oxidases (PAOs) are FAD-dependent enzymes involved in polyamine (PA) catabolism. Recent studies have revealed that plant PAOs are not only active in the terminal catabolism of PAs asExpand
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A high-throughput screen of cell-death-inducing factors in Nicotiana benthamiana identifies a novel MAPKK that mediates INF1-induced cell death signaling and non-host resistance to Pseudomonas
A high-throughput overexpression screen of Nicotiana benthamiana cDNAs identified a gene for a mitogen-activated protein kinase kinase (MAPKK) as a potent inducer of the hypersensitive responseExpand
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NbLRK1, a lectin-like receptor kinase protein of Nicotiana benthamiana, interacts with Phytophthora infestans INF1 elicitin and mediates INF1-induced cell death
Phytophthora infestans INF1 elicitin causes the hypersensitive response (HR) in Nicotiana benthamiana (Kamoun et al. in Plant Cell 10:1413–1425, 1998). To identify N. benthamiana proteins thatExpand
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Advances in polyamine research in 2007
Polyamines are small aliphatic amines found in all living organisms except some Archaea. In plants, putrescine, spermidine, and spermine are major components which are not only involved inExpand
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