Effect of Short-term and Long-term Low Temperature Stress on Polyamine Biosynthesis in Wheat Genotypes with Varying Degrees of Frost Tolerance

Rácz, Ilona; Kovács, Miklós; Lásztity, Demeter; Veisz, O.; Szalai, Gabriella; Páldi, Emil

doi:10.1016/s0176-1617(96)80267-7

Cited by 49 publications

(16 citation statements)

References 18 publications

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“…In the case of ornithine decarboxylase no similar changes were observed. These data confirm previous results, showing that putrescine level rises in response to SMM (Rácz et al, 2008) and is also in good agreement with earlier observations indicating that the pathway of putrescine biosynthesis starts from arginine and is activated in response to cold stress (Rácz et al, 1996). Szegő et al (2009) observed a similar tendency in the expression of two enzymes catalyzing the synthesis of spermidine from putrescine: SAM-decarboxylase (SAMDC) and spermidine synthase (SPDS).…”

Section: Studies Concerning the Effects Of Smm Against Chilling Tempesupporting

confidence: 92%

The promising role of exogenous S-methylmethionine in agriculture, in the case of maize cultivation

et al. 2014

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Ludmerszki et al.: The promising role of exogenous S-methylmethionine in agriculture, in the case of maize cultivation - Abstract. Abiotic and biotic stress conditions have negative effects on growth and yield of crop plants worldwide. The need to improve the nutritional value, stress and disease tolerance of cultivated plants is of great importance. The problem is usually solved by breeding or by the production of transgenic plants; however, the application of biologically active substances with favourable properties can be an alternative, cost-and time-effective possibility. S-methylmethionine (SMM) is an intermediate compound in the plant sulphur metabolism, being ubiquitous in the plant kingdom. SMM has important role in stress and disease tolerance of plants by taking part in plant sulphur metabolism. Previous investigations have shown that SMM has beneficial effects on the physiological status of plants and provides protection against various stress factors. The present review aims to sum up the main results concerning the beneficial effects of SMM treatment against Maize dwarf mosaic virus infection and cold stress in maize, and to reveal the possible applications of SMM in agricultural practice.

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Section: Studies Concerning the Effects Of Smm Against Chilling Tempesupporting

confidence: 92%

The promising role of exogenous S-methylmethionine in agriculture, in the case of maize cultivation

et al. 2014

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“…On the other hand, aliphatic polyamines are required for ordinary cell growth since inhibition of their synthesis in growing tissues invariably results in a profound repression of macromolecular synthesis and eventually leads to the cessation of cell division (70,118,138,146). Furthermore, polyamines have received considerable attention as possible defenders against abiotic stress (9,27,51,87,89,124). Recent advances in polyamine research have also indicated the involvement of polyamines in programmed cell death; i.e., they have a close connection to the apoptotic pathway (137).…”

Section: Introductionmentioning

confidence: 99%

Biogenic Amines in Rhizobia and Legume Root Nodules

Fujihara

2009

Microb. Environ.

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Root-nodule bacteria (rhizobia) are of great importance for nitrogen acquisition through symbiotic nitrogen fixation in a wide variety of leguminous plants. These bacteria differ from most other soil microorganisms by taking dual forms, i.e. a free-living form in soils and a symbiotic form inside of host legumes. Therefore, they should have a versatile strategy for survival, whether inhabiting soils or root nodules formed through rhizobia-legume interactions. Rhizobia generally contain large amounts of the biogenic amine homospermidine, an analog of spermidine which is an essential cellular component in most living systems. The external pH, salinity and a rapid change in osmolarity are thought to be significant environmental factors affecting the persistence of rhizobia. The present review describes the regulation of homospermidine biosynthesis in response to environmental stress and its possible functional role in rhizobia. Legume root nodules, an alternative habitat of rhizobia, usually contain a variety of biogenic amines besides homospermidine and the occurrence of some of these amines is closely associated with rhizobial infections. In the second half of this review, novel biogenic amines found in certain legume root nodules and the mechanism of their synthesis involving cooperation between the rhizobia and host legume cells are also described.

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“…According to Szalai et al (1996), damage is only likely to occur during the early stages of development. Some of the changes occurring due to cold are in positive correlation with the low temperature-induced synthesis of certain compounds (Dőry et al, 1990;Lasztity et al, 1994;Rácz et al, 1996;Páldi et al, 1996;Janda et al, 1996). A number of nitrogen-containing compounds, such as putrescine, agmatine, proline and glycine-betain are regarded as stress markers (Páldi et al, 1998).…”

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confidence: 99%