2004
DOI: 10.1186/1471-2164-5-89
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The rehydration transcriptome of the desiccation-tolerant bryophyte Tortula ruralis: transcript classification and analysis

Abstract: Background: The cellular response of plants to water-deficits has both economic and evolutionary importance directly affecting plant productivity in agriculture and plant survival in the natural environment. Genes induced by water-deficit stress have been successfully enumerated in plants that are relatively sensitive to cellular dehydration, however we have little knowledge as to the adaptive role of these genes in establishing tolerance to water loss at the cellular level. Our approach to address this proble… Show more

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Cited by 153 publications
(144 citation statements)
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“…More than a decade later, while much of the signal transduction pathway in plant drought stress response has been elucidated in model plants such as Arabidopsis, corresponding information is still fragmentary in resurrection plants. The scarcity of information may be a consequence of the fact that of the 300-400 known resurrection plants, the molecular genetic basis of desiccation tolerance has been studied in relatively few species, namely, the mosses S. lepidophylla [60] and T. ruralis [61], the monocots S. stapfianus [62], X. viscosa [22], and X. humilis [48], and the dicot C. plantagineum [13]. In C. plantagineum, the synthesis of phospholipid-based signaling molecules is known as one of the earliest events in the perception of water stress.…”
Section: Molecular Biology and Systems Biology Of Desiccation Tolerancementioning
confidence: 99%
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“…More than a decade later, while much of the signal transduction pathway in plant drought stress response has been elucidated in model plants such as Arabidopsis, corresponding information is still fragmentary in resurrection plants. The scarcity of information may be a consequence of the fact that of the 300-400 known resurrection plants, the molecular genetic basis of desiccation tolerance has been studied in relatively few species, namely, the mosses S. lepidophylla [60] and T. ruralis [61], the monocots S. stapfianus [62], X. viscosa [22], and X. humilis [48], and the dicot C. plantagineum [13]. In C. plantagineum, the synthesis of phospholipid-based signaling molecules is known as one of the earliest events in the perception of water stress.…”
Section: Molecular Biology and Systems Biology Of Desiccation Tolerancementioning
confidence: 99%
“…Phosphorylation is believed to be required for the function of these proteins that is proposed to protect the catalytic activities of enzymes by altering the stability or specificity of proteinprotein interactions [77]. LEAs may also play a role in recovery during rehydration in T. ruralis [61]. It has been proposed that in rehydrating T. ruralis gametophytes, LEA proteins may stabilize membranes or perhaps function in the transport of lipids for reconstitution of damaged membranes [78].…”
Section: Functional Genes Encoding For Lea Proteinsmentioning
confidence: 99%
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“…Plant breeders have recognized that genotypes that are resistant to oxidative stress are also resistant to drought and hightemperature stress [67], providing a correlating evidence for the importance of oxidative stress tolerance. Functional genomic studies on naturally dehydration tolerant species and the effects of simultaneous application of drought and high temperature on plants have revealed key roles for antioxidant enzymes in both drought and high-temperature stress tolerance [68,69]. Future work is needed to identify differences, similarities, and overlaps between signaling pathways leading to high-temperature stress and those leading to drought tolerance.…”
Section: Combination Of Drought and High-temperature Stress And Oxidamentioning
confidence: 99%