Gene Symbol: SAG21
Description: senescence-associated gene 21
Alias: Arabidopsis thaliana late embryogenensis abundant like 5, AtLEA5, T14P8.2, T14P8_2, senescence-associated gene 21, senescence-associated gene 21
Species: thale cress
Fowler S, Thomashow M. Arabidopsis transcriptome profiling indicates that multiple regulatory pathways are activated during cold acclimation in addition to the CBF cold response pathway. Plant Cell. 2002;14:1675-90 pubmed
Mowla S, Cuypers A, Driscoll S, Kiddle G, Thomson J, Foyer C, et al
. Yeast complementation reveals a role for an Arabidopsis thaliana late embryogenesis abundant (LEA)-like protein in oxidative stress tolerance. Plant J. 2006;48:743-56 pubmed
..In this screen, we identified an Arabidopsis late embryogenesis-abundant (LEA)-like protein, AtLEA5, which increased the tolerance of Deltayap1 cells to the oxidants H(2)O(2), diamide, menadione and tert-butyl ..
Miller J, Arteca R, Pell E. Senescence-associated gene expression during ozone-induced leaf senescence in Arabidopsis. Plant Physiol. 1999;120:1015-24 pubmed
..SAG13 (senescence-associated gene), SAG21, ERD1 (early responsive to dehydration), and BCB (blue copper-binding protein) were induced within 2 to 4 d of O(3)..
Pegadaraju V, Knepper C, Reese J, Shah J. Premature leaf senescence modulated by the Arabidopsis PHYTOALEXIN DEFICIENT4 gene is associated with defense against the phloem-feeding green peach aphid. Plant Physiol. 2005;139:1927-34 pubmed
..Our results suggest that PAD4 modulates the activation of senescence in the aphid-infested leaves, which contributes to basal resistance to GPA. ..
Salleh F, Evans K, Goodall B, Machin H, Mowla S, Mur L, et al
. A novel function for a redox-related LEA protein (SAG21/AtLEA5) in root development and biotic stress responses. Plant Cell Environ. 2012;35:418-29 pubmed publisher
SAG21/AtLEA5 belongs to the late embryogenesis-associated (LEA) protein family. Although it has been implicated in growth and redox responses, its precise roles remain obscure...
Vergnolle C, Vaultier M, Taconnat L, Renou J, Kader J, Zachowski A, et al
. The cold-induced early activation of phospholipase C and D pathways determines the response of two distinct clusters of genes in Arabidopsis cell suspensions. Plant Physiol. 2005;139:1217-33 pubmed
..The connection of these pathways with the CBF pathway, currently the most understood genetic system playing a role in cold acclimation, is discussed. ..
Robinson S, Parkin I. Differential SAGE analysis in Arabidopsis uncovers increased transcriptome complexity in response to low temperature. BMC Genomics. 2008;9:434 pubmed publisher
..The analyses performed provide a contextual framework for the interpretation of quantitative sequence tag based transcriptome analysis which will prevail with the application of next generation sequencing technology. ..
Seki M, Narusaka M, Abe H, Kasuga M, Yamaguchi Shinozaki K, Carninci P, et al
. Monitoring the expression pattern of 1300 Arabidopsis genes under drought and cold stresses by using a full-length cDNA microarray. Plant Cell. 2001;13:61-72 pubmed
Weaver L, Gan S, Quirino B, Amasino R. A comparison of the expression patterns of several senescence-associated genes in response to stress and hormone treatment. Plant Mol Biol. 1998;37:455-69 pubmed
..Others responded more slowly, which may indicate an indirect response via treatment-induced senescence. Four new SAGs were isolated as part of this work, one of which shows strong similarity to late embryogenesis-abundant (Lea) genes. ..