Overexpression of ornithine-δ-aminotransferase increases proline biosynthesis and confers osmotolerance in transgenic plants

By N. Roosens, F. A. Bitar, Kristof Loenders, G. Angenon, M. Jacobs. Molecular breeding, 2002

145 citations recorded by the source corpus.

Subfields: Molecular Biology, Plant Science

View Paper: https://www.semanticscholar.org/paper/9fa286d3f8c101975e096d66a19008f69b815d46

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In Molecular Biology

1. B. Asthir
2. G. Kaur
3. C. Jonak
4. Julia Krasensky
5. Ramanjulu Sunkar
6. V. Balderas-Hernández
7. S. Fraire-Velázquez
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In Plant Science

1. B. Asthir
2. G. Kaur
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4. Julia Krasensky
5. Ramanjulu Sunkar
6. P. Verslues
7. V. S. Dagaonkar
8. L. P. Aurangabadkar

Citations in the corpus

• Proline Metabolism and Its Implications for Plant-Environment Interaction (2010, background): “In addition, overexpression of OAT resulted in enhanced proline accumulation (Roosens et al., 2002; Wu et al., 2003).”
• Abiotic Stress in Plants and Metabolic Responses (2013, background): “Core enzymes P5CS, P5C, P5CR, ProDH, and OAT are responsible for maintaining the balance between biosynthesis and catabolism of proline.”
• Drought and Salt Tolerance in Plants (2005, methodology): “Different strategies were used to manipulate proline biosynthesis including overexpression of P5CS in tobacco, rice and Arabidopsis plants, overexpression of OAT, expression of a feedback inhibitioninsensitive form of P5CS, and antisense suppression of proline oxidation by ProDH (Kavi Kishor et al.,”
• Drought, salt, and temperature stress-induced metabolic rearrangements and regulatory networks (2012, background): “Over-expression of Arabidopsis d-OAT has been shown to enhance proline levels and to increase the stress tolerance of rice and tobacco (Roosens et al., 2002; Qu et al., 2005) even though Arabidopsis plants deficient in d-OAT accumulated proline in response to stress and showed a salt stress…”
• Differential responses of the enzymes involved in proline biosynthesis and degradation in drought tolerant and sensitive cotton genotypes during drought stress and recovery (2008, background): “Although some studies showed increased OAT activity under salt or drought stress conditions (Hervieu et al. 1995; Roosens et al. 2002 ); most studies indicated that under these conditions the free proline increase appears to be mainly due to the activity of the enzymes of the glutamate pathway (Roo”
• Proline: a key player in plant abiotic stress tolerance (2015, background): “Likewise, connection between an increased proline content and a higher biomass was found under osmotic stress in Arabidopsis (Roosens et al. 2002) and rice (Wu et al.”
• Ornithine-δ-aminotransferase is essential for Arginine Catabolism but not for Proline Biosynthesis (2008, background): “In favour of this concept, transgenic plants overexpressing δOAT had higher Pro contents [24,25].”
• Understanding regulatory networks and engineering for enhanced drought tolerance in plants. (2006, background): “The involvement of proline in the response to water deficits has been demonstrated in transgenic tobacco that overexpressed proline biosynthesis enzymes [65,66].”