Sodium-Dependent Nitrate Transport at the Plasma Membrane of Leaf Cells of the Marine Higher Plant<i>Zostera marina</i>L.

García‐Sánchez, María Jesús; Jaime, M. Paz; Ramos, A. L.; Sanders, Dale; Fernández, José Antonio

doi:10.1104/pp.122.3.879

Cited by 56 publications

(54 citation statements)

References 35 publications

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“…) and the halophyte Z. marina L. (García‐Sánchez et al . ). However, little is known about molecular mechanisms of NO 3 − acquisition under salinity in euhalophytes yet.…”

Section: Discussionmentioning

confidence: 97%

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H⁺‐pyrophosphatase from Salicornia europaea confers tolerance to simultaneously occurring salt stress and nitrogen deficiency in Arabidopsis and wheat

Jiang

Nie

et al. 2015

Plant Cell & Environment

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High salinity and nitrogen (N) deficiency in soil are two key factors limiting crop productivity, and they usually occur simultaneously. Here we firstly found that H(+) -PPase is involved in salt-stimulated NO3 (-) uptake in the euhalophyte Salicornia europaea. Then, two genes (named SeVP1 and SeVP2) encoding H(+) -PPase from S. europaea were characterized. The expression of SeVP1 and SeVP2 was induced by salt stress and N starvation. Both SeVP1 or SeVP2 transgenic Arabidopsis and wheat plants outperformed the wild types (WTs) when high salt and low N occur simultaneously. The transgenic Arabidopsis plants maintained higher K(+) /Na(+) ratio in leaves and exhibited increased NO3 (-) uptake, inorganic pyrophosphate-dependent vacuolar nitrate efflux and assimilation capacity under this double stresses. Furthermore, they had more soluble sugars in shoots and roots and less starch accumulation in shoots than WT. These performances can be explained by the up-regulated expression of ion, nitrate and sugar transporter genes in transgenic plants. Taken together, our results suggest that up-regulation of H(+) -PPase favours the transport of photosynthates to root, which could promote root growth and integrate N and carbon metabolism in plant. This work provides potential strategies for improving crop yields challenged by increasing soil salinization and shrinking farmland.

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“…) and the halophyte Z. marina L. (García‐Sánchez et al . ). However, little is known about molecular mechanisms of NO 3 − acquisition under salinity in euhalophytes yet.…”

Section: Discussionmentioning

confidence: 97%

“…For example, sodium‐dependent NO 3 − uptake has been reported in Zostera marina L. (García‐Sánchez et al . ; Rubio et al . ).…”

Section: Introductionmentioning

confidence: 99%

H⁺‐pyrophosphatase from Salicornia europaea confers tolerance to simultaneously occurring salt stress and nitrogen deficiency in Arabidopsis and wheat

Jiang

Nie

et al. 2015

Plant Cell & Environment

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“…High salinity inhibits uptake of several nutrients, and causes nutrient imbalances in plants (Leidi et al ., 1992). It is generally assumed that NO 3 − influx is provided by low‐affinity transport systems (LATSs) when the concentration of NO 3 − in the external solution is more than 0.5–1 m m (Siddiqi et al ., 1990; Aslam et al ., 1992; Garc’a‐Sánchez et al ., 2000; Rubinigg et al ., 2003). In the present experiment, the activity of LATS may not have been inhibited by high salinity in the euhalophyte S. physophora , especially at 10 m m NO 3 − ‐N supply, because the concentration of NO 3 − in the leaves of S. physophora was not significantly affected by the increase to 300 m m NaCl at 10 m m NO 3 − N. A similar result was reported for another halophyte, Mesembryanthemum crystallinum , when plants were exposed to half‐strength Hoagland's nutrient solution supplemented with 400 m m NaCl (Popova et al ., 2003).…”

Section: Discussionmentioning

confidence: 99%

Nutritional and osmotic roles of nitrate in a euhalophyte and a xerophyte in saline conditions

et al. 2006

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Summary• The effects of salinity and nitrogen (N) on growth and the role of NO 3 -in osmotic adjustment in the leaf-succulent euhalophyte Suaeda physophora and the stemsucculent xerophyte Haloxylon persicum were evaluated.• Seedlings were exposed to 1 or 300 m M NaCl in 0.05, 1 or 10 m M NO 3 --N treatments for 24 d.• At 10 m M NO 3 -, 300 m M NaCl had no adverse effect on the concentration of NO 3 -, the content of organic N, and the estimated contribution of NO 3 -to osmotic potential in leaves of S. physophora , but markedly reduced these in stems of H. persicum . At 300 m M NaCl, more NO 3 -but less Cl -and Na + were involved in osmotic adjustment in leaves of S. physophora compared with that in stems of H. persicum . The contribution of NO 3 -to osmotic potential was much higher in S. physophora , but lower in H. persicum , than that of amino acids at 300 m M NaCl.• The nutritional and osmotic roles of NO 3 --N seem to be more important in the euhalophyte S. physophora than in the xerophyte H. persicum under saline conditions. These characteristics may determine the natural distributions of the two species in saline or arid environments.

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“…In Zostera marina L., a higher plant growing in the ocean, NO 3 -is co-transported with Na + through the plasma membrane (García-Sánchez et al 2000). In dwarf glasswort, which grows naturally along the seacoast and survives in seawater, NO 3 -uptake and transport was promoted by Na + (Fig.…”

Section: Effect Of Increasing Na/k Ratio In Solution On Water Uptake mentioning

confidence: 99%

Function of sodium and potassium in growth of sodium-loving Amaranthaceae species

Yamada

Kuroda

Fujiyama

2015

Soil Science and Plant Nutrition

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We observed that the growth of three Amaranthaceae species was promoted by sodium (Na), in the order dwarf glasswort (Salicornia bigelovii Torr.) >> Swiss chard (Beta Burgaris L. spp. cicla cv. Seiyou Shirokuki) > table beet (Beta vulgaris L. spp. vulgaris cv. Detroit Dark Red). In the present study, these Na-loving plants were grown in solutions containing 4 mol m −3 nitrate nitrogen (NO 3 -N) and 100 mol m −3 sodium chloride (NaCl) and potassium chloride (KCl) under six Na to potassium (K) ratios, 0:100, 20:80, 40:60, 60:40, 80:20 and 100:0, to elucidate the function of Na and K on specific characteristics of Na-loving plants. The growth of dwarf glasswort increased with increasing Na concentration of the shoot, and the shoot dry weight of plants grown in 100:0 Na:K was 214% that of plants grown at 0:100. In Swiss chard and table beet, growth was unchanged by the external ratio of Na to K. The water content was not changed in Swiss chard or table beet by the external Na to K ratio. These observations indicate that both Na and K have a function in osmotic regulation. However, dwarf glasswort could not maintain succulence at 0:100; therefore, Na has a specific function in dwarf glasswort for osmotic regulation to maintain a favorable water status, and the contribution of K to osmotic regulation is low. NO 3 -N uptake was promoted by Na uptake in dwarf glasswort and Swiss chard. NO 3 -N uptake and transport to shoots was optimal at 100:0 in dwarf glasswort and at 80:20 in Swiss chard. These functions are very important for the Na-loving mechanism, and the contribution of K was lower in dwarf glasswort than in Swiss chard. ARTICLE HISTORY

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Sodium-Dependent Nitrate Transport at the Plasma Membrane of Leaf Cells of the Marine Higher PlantZostera marinaL.

Cited by 56 publications

References 35 publications

H⁺‐pyrophosphatase from Salicornia europaea confers tolerance to simultaneously occurring salt stress and nitrogen deficiency in Arabidopsis and wheat

H⁺‐pyrophosphatase from Salicornia europaea confers tolerance to simultaneously occurring salt stress and nitrogen deficiency in Arabidopsis and wheat

Nutritional and osmotic roles of nitrate in a euhalophyte and a xerophyte in saline conditions

Function of sodium and potassium in growth of sodium-loving Amaranthaceae species

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Sodium-Dependent Nitrate Transport at the Plasma Membrane of Leaf Cells of the Marine Higher PlantZostera marinaL.

Cited by 56 publications

References 35 publications

H+‐pyrophosphatase from Salicornia europaea confers tolerance to simultaneously occurring salt stress and nitrogen deficiency in Arabidopsis and wheat

H+‐pyrophosphatase from Salicornia europaea confers tolerance to simultaneously occurring salt stress and nitrogen deficiency in Arabidopsis and wheat

Nutritional and osmotic roles of nitrate in a euhalophyte and a xerophyte in saline conditions

Function of sodium and potassium in growth of sodium-loving Amaranthaceae species

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H⁺‐pyrophosphatase from Salicornia europaea confers tolerance to simultaneously occurring salt stress and nitrogen deficiency in Arabidopsis and wheat

H⁺‐pyrophosphatase from Salicornia europaea confers tolerance to simultaneously occurring salt stress and nitrogen deficiency in Arabidopsis and wheat