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Showing 1 to 12 of 757 entries
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A Cross-Sectional Study: Nutritional Polyamines in Frequently Consumed Foods of the Turkish Population.

Foods (Basel, Switzerland)

Buyukuslu N, Hizli H, Esin K, Garipagaoglu M.
PMID: 28234336
Foods. 2014 Oct 09;3(4):541-557. doi: 10.3390/foods3040541.

Putrescine, spermidine and spermine are the most abundant polycationic natural amines found in nearly all organisms. They are involved in regulation of gene expression, translation, cell proliferation and differentiation. They can be supplied by the endogenous synthesis inside the...

From Accumulation to Degradation: Reprogramming Polyamine Metabolism Facilitates Dark-Induced Senescence in Barley Leaf Cells.

Frontiers in plant science

Sobieszczuk-Nowicka E, Kubala S, Zmienko A, Małecka A, Legocka J.
PMID: 26779231
Front Plant Sci. 2016 Jan 06;6:1198. doi: 10.3389/fpls.2015.01198. eCollection 2015.

The aim of this study was to analyze whether polyamine (PA) metabolism is involved in dark-induced Hordeum vulgare L. 'Nagrad' leaf senescence. In the cell, the titer of PAs is relatively constant and is carefully controlled. Senescence-dependent increases in...

γ-Aminobutyric Acid (GABA) Accumulation in Tea (Camellia sinensis L.) through the GABA Shunt and Polyamine Degradation Pathways under Anoxia.

Journal of agricultural and food chemistry

Liao J, Wu X, Xing Z, Li Q, Duan Y, Fang W, Zhu X.
PMID: 28355482
J Agric Food Chem. 2017 Apr 12;65(14):3013-3018. doi: 10.1021/acs.jafc.7b00304. Epub 2017 Apr 04.

γ-Aminobutyric acid (GABA) is an important bioactive component of tea (Camellia sinensis) providing various health benefits. We studied GABA accumulation via the GABA shunt and polyamine degradation pathways under anoxia in tea leaves. Anoxia caused a ∼20-fold increment in...

Rol genes alter hormonal requirements for protoplast growth and modify the expression of an auxin responsive promoter.

Plant cell reports

Walden R, Czaja I, Schmülling T, Schell J.
PMID: 24201783
Plant Cell Rep. 1993 Aug;12(10):551-4. doi: 10.1007/BF00233058.

Growth characteristics of tobacco protoplasts containing rolA linked to its own promoter, or the rolB, or rolC genes of Agrobacterium rhizogenes linked to the Cauliflower Mosaic Virus 35S RNA promoter were compared with those from untransformed plants. RolA protoplasts...

Kinetics and calcium-specificity of polyamine uptake in carrot protoplasts.

Amino acids

Antognoni F, Casali P, Pistocchi R, Bagni N.
PMID: 24189738
Amino Acids. 1994 Oct;6(3):301-9. doi: 10.1007/BF00813750.

The kinetics of putrescine and spermidine uptake and the influence of calcium on the kinetic parameters of the transport process were investigated in protoplasts isolated from carrot phloem parenchyma. Spermidine uptake dependence on external concentration was biphasic, both in...

Draft Genome Sequence of the Putrescine-Producing Strain Lactococcus lactis subsp. lactis 1AA59.

Genome announcements

Ladero V, Del Rio B, Linares DM, Fernandez M, Mayo B, Martín MC, Alvarez MA.
PMID: 26089428
Genome Announc. 2015 Jun 18;3(3). doi: 10.1128/genomeA.00669-15.

We report here the 2,576,542-bp genome annotated draft assembly sequence of Lactococcus lactis subsp. lactis 1AA59. This strain-isolated from a traditional cheese-produces putrescine, one of the most frequently biogenic amines found in dairy products.

Determination of biogenic amines by high-performance liquid chromatography (HPLC-DAD) in probiotic cow's and goat's fermented milks and acceptance.

Food science & nutrition

Costa MP, Balthazar CF, Rodrigues BL, Lazaro CA, Silva AC, Cruz AG, Conte Junior CA.
PMID: 25987991
Food Sci Nutr. 2015 May;3(3):172-8. doi: 10.1002/fsn3.200. Epub 2015 Jan 22.

This study evaluated the presence of biogenic amines in fermented cow's and goat's milks containing probiotic bacteria, during the first 10 days of chilled storage (4 ± 2°C), when the probiotic strains are most viable. The overall acceptance of...

MicroRNAs, polyamines, and the activities antioxidant enzymes are associated with in vitro rooting in white pine (Pinus strobus L.).

SpringerPlus

Fei Y, Xiao B, Yang M, Ding Q, Tang W.
PMID: 27069836
Springerplus. 2016 Apr 06;5:416. doi: 10.1186/s40064-016-2080-1. eCollection 2016.

Molecular mechanism of in vitro rooting in conifer is not fully understood. After establishment of a regeneration procedure in eastern white pine (Pinus strobus L.) using mature embryos as explants to induce shoot formation on medium containing 3 μM...

Polyamines Confer Salt Tolerance in Mung Bean (Vigna radiata L.) by Reducing Sodium Uptake, Improving Nutrient Homeostasis, Antioxidant Defense, and Methylglyoxal Detoxification Systems.

Frontiers in plant science

Nahar K, Hasanuzzaman M, Rahman A, Alam MM, Mahmud JA, Suzuki T, Fujita M.
PMID: 27516763
Front Plant Sci. 2016 Jul 28;7:1104. doi: 10.3389/fpls.2016.01104. eCollection 2016.

The physiological roles of PAs (putrescine, spermidine, and spermine) were investigated for their ability to confer salt tolerance (200 mM NaCl, 48 h) in mung bean seedlings (Vigna radiata L. cv. BARI Mung-2). Salt stress resulted in Na toxicity,...

Involvement of exogenous polyamines enhances regeneration and Agrobacterium-mediated genetic transformation in half-seeds of soybean.

3 Biotech

Arun M, Chinnathambi A, Subramanyam K, Karthik S, Sivanandhan G, Theboral J, Alharbi SA, Kim CK, Ganapathi A.
PMID: 28330220
3 Biotech. 2016 Dec;6(2):148. doi: 10.1007/s13205-016-0448-0. Epub 2016 Jun 28.

The present work demonstrates the participation of polyamines (PAs) to improve direct regeneration and Agrobacterium-mediated transformation in soybean half-seeds. The inclusion of PAs to culture medium along with optimal plant growth regulators (PGRs) enhanced shoot induction [98.3 %; 4.44...

Polyamine levels during the onset of "CAM" inOpuntia F. indica (Miller).

Amino acids

Deidda P, Tekle Z, Nieddu G, Pintus G, Pinna GG, Sisini A.
PMID: 24186050
Amino Acids. 1994 Jun;7(2):203-9. doi: 10.1007/BF00814160.

Polyamines have been related to the "Crassulacean Acid Metabolism" (CAM) in higher plants. Such relationship was however observed in plants where CAM activity is inducible by external factors. Results presented here indicate that, inOpuntia F. indica, cladodes where onset...

Efficient plant regeneration from long-term callus cultures of rice by spermidine.

Plant cell reports

Bajaj S, Rajam MV.
PMID: 24186629
Plant Cell Rep. 1995 Aug;14(11):717-20. doi: 10.1007/BF00232654.

A significant reduction in regeneration potential with increasing age (upto 12months) in rice (Oryza sativa L. cv.TN-1) embryogenic callus cultures was observed. Spermidine, while having an inhibitory effect on plant regeneration in fresh callus cultures, promoted morphogenesis in long-term...

Showing 1 to 12 of 757 entries