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Saturday, July 18, 2020 | History

2 edition of Studies in the nitrogen metabolism of barley leaves. found in the catalog.

Studies in the nitrogen metabolism of barley leaves.

Endre Berner

Studies in the nitrogen metabolism of barley leaves.

by Endre Berner

  • 283 Want to read
  • 20 Currently reading

Published by Carl Bloms Boktryckeri in Lund .
Written in English

    Subjects:
  • Nitrogen -- Metabolism.,
  • Barley -- Metabolism.,
  • Leaves.

  • Edition Notes

    Includes bibliographies.

    SeriesPhysiologia plantarum. Supplementum, 6
    Classifications
    LC ClassificationsQK710 .P5 no. 6, QK898.N6 .P5 no. 6
    The Physical Object
    Pagination56 p.
    Number of Pages56
    ID Numbers
    Open LibraryOL5094390M
    LC Control Number74166032

    Plant nutrition is the study of the chemical elements and compounds necessary for plant growth, plant metabolism and their external supply. In its absence the plant is unable to complete a normal life cycle, or that the element is part of some essential plant constituent or metabolite.   The assimilation of N in the leaves of higher plants requires both energy and C skeletons. Triose phosphate produced in the leaves as a result of photosynthetic C assimilation can be used for the synthesis of either carbohydrates or ketoacids (e.g. 2-oxoglutarate) via the anapleurotic pathway. 2-Oxoglutarate produced in the cytosol is imported into the chloroplasts, .

    Glutamate and glutamine are the essential donors of all forms of organic nitrogen in plants, while 2-OG is a key intermediate metabolite in the TCA cycle. Therefore, the reactions catalyzed by GS/GOGAT are a critical node linking carbon metabolism and nitrogen metabolism (Figure 4D).Cited by:   Crop plant development is strongly dependent on the availability of nitrogen (22165[1]) in the soil and the efficiency of 22165[1] utilization for biomass production and yield. However, knowledge about molecular responses to 22165[1] deprivation derives mainly from the study of model species. In this article, the metabolic adaptation of source leaves to low 22165[1] was analyzed in .

      Nitrogen (N) is a key macronutrient representing a limiting factor for plant growth and development and affects productivity in wheat. In this study, durum wheat response to N chronic starvation Cited by: Nitrogen metabolism has been studied in 5 species of plants characteristic of gypsum soils: Gypsophila struthium (Gs), Helianthemum syriacum (Hsy), Helianthemum squamatum (Hsq), Helianthemum alypoides (Ha), and Lepidium subulatum (Ls). Nitrate, nitrate reductase (NR), nitrite reductase (NiR), amino acids, proteins, proline, organic N, total calcium, and population Cited by:


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Studies in the nitrogen metabolism of barley leaves by Endre Berner Download PDF EPUB FB2

Get this from a library. Studies in the nitrogen metabolism of barley leaves. [Endre Berner]. The relation of respiration rate to the carbohydrate and nitrogen metabolism of the barley leaf as determined by nitrogen and potassium deficiency.

Ann. of Studies on the nitrogen metabolism of the barley plant (Hordeum sativum McKee H.S. () Nitrogen metabolism in leaves. In: Allen E.K. et al. (eds) Der Stickstoffumsatz / Nitrogen Cited by: Barley (Hordeum vulgare), a member of the grass family, is a major cereal grain grown in temperate climates globally.

It was one of the first cultivated grains, particularly in Eurasia as early as 10, years ago. Barley has been used as animal fodder, as a source of fermentable material for beer and certain distilled beverages, and as a component of various health : Poaceae.

Introduction. Nitrogen (N) is the most important mineral nutrient for plants. Since plants require the greatest quantity of N of all the mineral elements, deficiency of N is a limiting factor for plant growth (Coruzzi and Bush, ; Coruzzi, ; Miller et al., ; Schachtman and Shin, ; Krouk et al., ).Furthermore, carbon (C) and N metabolism are tightly Cited by: Effects of atmospheric carbon dioxide enrichment on nitrogen metabolism were studied in barley primary leaves (Hordeum vulgare L.

Brant). Seedlings were grown in chambers under ambient (36 Pa) and elevated ( Pa) carbon dioxide and were fertilized daily with complete nutrient solution providing 12 millimolar nitrate and millimolar Cited by: Nitrogen metabolism in prokaryotes involves the coordinated expression of a large number of enzymes concerned with both utilization of extracellular nitrogen.

Localization of GS and GOGAT in barley leaves: influence of compartmentation on N metabolism in leaves. These studies of GS and GOGAT localization in barley leaves have reached similar conclusions to those described for rice.

These results, and their interpretation, are summarized in Fig. GS activity was found to increase with leaf by: Nitrogen allocation in barley: Relationships between amino acid transport and storage protein synthesis during grain filling Article (PDF Available) in.

Barley requires adequate nitrogen (N) for good yields, but because grain protein in excess of industry limits often results in rejection of the crop as malting grade, and because excess N may lead to smaller kernel size, the line between adequate N and excessive N is fine.

Carbon and nitrogen metabolism in a barley (Hordeum vulgare L.) mutant with impaired chloroplast dicarboxylate transport. Planta. pp. Primary structure and differential expression of glutamine synthetase genes in nodules, roots and leaves of Phaseolus by: 7.

Carbon and nitrogen metabolism in barley (Hordeum vulgare L) mutants lacking ferredoxin-dependant glutamate synthase.

Planta. pp. Biochemical characterisation of Nicotiana plumbaginifolia auxotrophs that require branched-chained amino by: @article{osti_, title = {Betaine accumulation and (/sup 14/C)formate metabolism in water-stressed barley leaves}, author = {Hanson, A.D.

and Nelsen, C.E.}, abstractNote = {Barley (Hordeum vulgare L.) plants at the three-leaf stage were water-stressed by flooding the rooting medium with polyethylene glycol with an osmotic potential of bars, or by withholding.

In barley, while there is extensive exchange of reduced nitrogen between tissues (Gojon et al., ; Abdel-Latif et al., ), studies suggest that leaves account for the vast majority of nitrate reduction under normal conditions, with most of this reduction occurring in the light (Aslam and Huffaker, ; Gojon et al., ; Abdel-Latif et Cited by: A comprehensive understanding of plant metabolism could provide a direct mechanism for improving nitrogen use efficiency (NUE) in crops.

One of the major barriers to achieving this outcome is our poor understanding of the complex metabolic networks, physiological factors, and signaling mechanisms that affect NUE in agricultural by: 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 the titer of the free PAs putrescine, spermidine, and spermine occurred when the process was induced, accompanied Cited by: Some aspects of plant nitrogen metabolism have been studied in detail in barley [5, 35, 36].

Several studies with mutants or trasformants with altered NR expression clearly showed that there is no direct correlation between plant growth and the nitrate reduction capacity of the plant also showed a reverse relation between nitrate content and NR Author: Salwa Abdel-latif, Hanan Abou-Zeid, Kuni Sueyoshi.

Nitrogen exists in nature in several inorganic compounds, namely N 2, N 2 O, NH 3, NO 2- and NO 3- and in several organic compounds such as amino acids, nucleotides, amino sugars, and the biosphere, biological and chemical reactions continually occur in which these nitrogenous compounds are converted from one form to another.

While most studies of nitrogen metabolism have previously been performed in legumes and crop species, HPLC analyses of Arabidopsis has demonstrated that these same four amino acids can account for 60–64% of the total free amino acids present in Arabidopsis leaves and are also transported in the vascular tissues (Fig.

2) (Schultz, ; Lam et Cited by: Leaf Senescence and Nitrogen Metabolism short-term and long-term fluctuation in the light intensity and quality. The apoproteins of LHCII are encoded in the nucleus by a small multigene family. The polypeptides are trans­lated in the cytoplasm on membrane-free polysomes as soluble precursor proteins, which are posttranslationally imported into Cited by: Pale plants with oldest leaves most affected.

Differences include root browning or lack of feeder roots and wet soil. Diagnosing potassium deficiency in barley: Pale plants with oldest leaves most affected.

Nitrogen deficient plants have more marked leaf tip death and contrast between yellow and green sections of affected leaves. To explore the response of nitrogen metabolism in Masson pine (Pinus massoniana) to high CO2 concentrations, needles from one-year-old seedlings were used as materials to detect key enzyme activities, gene expression and different forms of nitrogen metabolites after CO2 stress for different durations (0 h, 6 h, 12 h, 24 h).

The results show that elevated CO2 affected the .Nitrogen Fertilization of Dryland Malt Barley for Yield and Quality. Grant D. Jackson. Western Triangle Ag.

Research Center, Conrad. Nitrogen (N) is the main component of fertilizer programs necessary for production of high quality malt Size: 75KB.Barley leaves, short-time fixation of labelled carbon di-oxide by, under steady state conditions, Barley roots, ascorbic acid oxidase in, Barley roots, carbon dioxide fixation and ion absorption in, Barley roots, excised, respiration and salt absorption by, Barley roots, excised, a study of the role of the hydro.