نتایج جستجو برای: 1 pyrroline 5 carboxylate synthetase p5cs

تعداد نتایج: 3385599  

Journal: :Journal of experimental botany 2004
Akihiro Ueda Arumugam Kathiresan Mayumi Inada Yukio Narita Toshihide Nakamura Weiming Shi Tetsuko Takabe John Bennett

Under high salt conditions, plant growth is severely inhibited due to both osmotic and ionic stresses. In an effort to dissect genes and pathways that respond to changes in osmotic potential under salt stress, the expression patterns were compared of 460 non-redundant salt-responsive genes in barley during the initial phase under osmotic versus salt stress using cDNA microarrays with northern b...

Journal: :Proceedings of the National Academy of Sciences 1959

Journal: :Journal of bacteriology 2001
B R Belitsky J Brill E Bremer A L Sonenshein

The complete Bacillus subtilis genome contains four genes (proG, proH, proI, and comER) with the potential to encode Delta(1)-pyrroline-5-carboxylate reductase, a proline biosynthetic enzyme. Simultaneous defects in three of these genes (proG, proH, and proI) were required to confer proline auxotrophy, indicating that the products of these genes are mostly interchangeable with respect to the la...

Journal: :Journal of bacteriology 2000
M J Quintero A M Muro-Pastor A Herrero E Flores

Cells of the unicellular cyanobacterium Synechocystis sp. strain PCC 6803 supplemented with micromolar concentrations of L-[(14)C]arginine took up, concentrated, and catabolized this amino acid. Metabolism of L-[(14)C]arginine generated a set of labeled amino acids that included argininosuccinate, citrulline, glutamate, glutamine, ornithine, and proline. Production of [(14)C]ornithine preceded ...

Journal: :Applied and environmental microbiology 2003
Yukiyasu Terao Shigeru Nakamori Hiroshi Takagi

We have previously reported that L-proline has cryoprotective activity in Saccharomyces cerevisiae. A freeze-tolerant mutant with L-proline accumulation was recently shown to carry an allele of the PRO1 gene encoding gamma-glutamyl kinase, which resulted in a single amino acid substitution (Asp154Asn). Interestingly, this mutation enhanced the activities of gamma-glutamyl kinase and gamma-gluta...

2012
Jessica De Ingeniis Boris Ratnikov Adam D. Richardson David A. Scott Pedro Aza-Blanc Surya K. De Marat Kazanov Maurizio Pellecchia Ze'ev Ronai Andrei L. Osterman Jeffrey W. Smith

Proline metabolism is linked to hyperprolinemia, schizophrenia, cutis laxa, and cancer. In the latter case, tumor cells tend to rely on proline biosynthesis rather than salvage. Proline is synthesized from either glutamate or ornithine; both are converted to pyrroline-5-carboxylate (P5C), and then to proline via pyrroline-5-carboxylate reductases (PYCRs). Here, the role of three isozymic versio...

Journal: :Molecular plant-microbe interactions : MPMI 2004
Georgina Fabro Izabella Kovács Valeria Pavet László Szabados María E Alvarez

Accumulation of free L-proline (Pro) is a typical stress response incited by osmotic injuries in plants and microorganisms. Although the protective role of Pro in osmotic stress is not well understood, it is thought to function as compatible osmolyte or as a scavenger of reactive oxygen species (ROS). Here we show that, in Arabidopsis thaliana, Pro biosynthesis can be activated by incompatible ...

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