اثرات زود هنگام شوری بر جذب، انباشتگی و احیاء نیترات در دانه‌رست‌های سویا رقم پرشینگ
محورهای موضوعی : تنشآرین ساطعی 1 , مه‌‌لقا قربانلی 2
1 - گروه زیست‌شناسی، دانشگاه آزاد اسلامی واحد آزادشهر
2 - گروه زیست‌شناسی، دانشگاه آزاد اسلامی واحد گرگان
کلید واژه: تغذیه نیتروژنی ـ جذب نیترات ـ دانه‌رست ـ سویا ـ شوری ـ نیترات ردوکتاز ـ همانندسازی نیترات,
چکیده مقاله :
در این پژوهش اثرات کلرور سدیم با غلظت‌های صفر، 100، 150، 200، میلی‌مولار بر همانندسازی نیترات در دانه رست‌های سویا (Giycine max L. cv. Pershing) به صورت در زیوه (In vivo) مورد بررسی قرار گرفته است. بر اساس نتایج حاصل، شوری بر جذب نیترات بیش از احیاء آن اثر می‌کند و اثرات آن در غلظت‌های مختلف یکسان نیست. تیمارهای 150 و یا 200 میلی‌مولار بر فاز القای جذب نیترات و تیمار 100 میلی‌مولار تنها بر شدت جذب اثر می‌کنند. در مورد دانه رست‌هائی که 24 ساعت در محلول‌های یک سوم غلظت هوگلند با غلظت‌های مختلف کلرور سدیم بوده‌اند، کاهشی در خروج نیترات از قطعات ریشه‌های ثانویه، در مورد تیمارهای 150 و 200 میلی‌مولاری کلرور سدیم ملاحظه می‌شود که احتمالاً نشانه تغییرات ساختاری غشاء در این غلظت‌هاست. با مطالعه تاثیرات شوری بر احیاء نیترات، چنین به نظر می‌رسد که بر خلاف نیترات ردوکتاز القائی، نیترات ردوکتاز نهادی به طور معنی‌داری تحت تاثیر شوری قرار می‌گیرد.
In the present study, the effects of NaCl (100, 150 and 200mm) on nitrate assimilation in Soybean (Glycine max L. cv. Pershing) seedlings was studied. In vivo. Based on the results of this study, salinity affects nitrate uptake more than its reduction, and in different concentrations, these effects are not identical. Treatments 150 and 200Mm influence on the induction phase of nitrate uptake, but 100mM treatment, affects uptake rate only. There is a decrease in nitrate efflux from secondary root tip slices of seedlings that were in Hoagland solutions (one third concentration,during 24 hours) with different concentrations of NaCl, for 150 and 200 mM treatments, that may reflect the changes in the structure of root cells membranes. Regarding the effects of salinity on nitrate reduction, it seems that in spite of inducive type of nitrate reductase, the constitutive type is affected by salinity, significantly.
Abbas, M.A. (1989) The effects of salinity on nitrogen assimilation systems in Phaseolus vulgaris. University of Liverpool, England. Ph.D Thesis.
Abbas, M.A M.EYounis, H.M.El-Bassiony, and L. Mansoura. (1988) The effects of salt stress on nitrate reductase and nitrite reductase activities in Phaseolus vulgaris. Sci. Bull.,Vol. 13 (1), P.211.
Abbas, M.A M.E. Younis, and W.M. Shukry (1991) Plant growth, metabolism and adaptation in relation to stress conditions. XIV. Effects of salinity on internal solute concentrations in Phaseolus vulgaris. J. of Plant physiol, Vol.134, P.722.
Amzallag, A. A.Poljakoff; (1992) Interactions between mineral nutrients cytokinin and giberellic acid during growth of sorghum at high NaCl salinity. J. of Exp. Bot., Vol.246, P.246.
Aquila, D. A.Spada, (1993) Morphological and anatomical variations in vascular tissues of Phaseolus vulgaris in relation with salt stress in saline soils. Ann. Bot., Vol.72, P.97.
Aquila, D. A.Spada, (2002) Absorption and translocations of solutes in vascular systems of some crops in salt stress conditions. Ann. Bot., Vol.79, P.206.
Aslam, M. R.C. Huffaker, R.L. Travis, (1973) Nitrogen assimilation as affected by different contents of calcium in saline soils. Plant Physiol., Vol.52, P.137.
Aslam, M. R.C. Huffaker, D.W. Rains, (1979) Influence of light and ambient carbon dioxide cocentration on nitrate assimilation by intact barley seedlings, Early effects of salinity on nitrate assimilation in barley seedlings. Plant Physiol Vol.63, P.1205.
Aslam, M., R.C. Huffaker, D.W. Rains, (1984) The effects of light durations on nitrate assimilation in barley seedlings. Plant Physiol., Vol.76, P.321.
Baki, G.K.A-E.; Siefritz F.; Man H.-M.; Weiner H.; Kaldenhoff R.; Kaiser W.M. (2000) Nitrate reductase in Zea mays L. under salinity Plant, Cell & Environment, Volume 23, Number 5, May, pp. 515-521(7).
Barber, H., N.A. Norton, (1989) Agron. Long term effects of potassium chloride on seed germination in barely. J., Vol.34, P.1860
Barber, H. J. Marker, (1999) The effects of saliniy on calcium absorption in barley seedlings. J. Agron., Vol. 107, P.217.
Chantarotwong, W. (1973) Invivo nitrate reduction relations with nitrate uptake and nitrate contents. Plant Physiol., Vol.57, P.5190
Epstein, E (1961) The essential role of calcium in selective cation transport by plant cells. Plant Physiol., Vol. 36, P.437.
Gojon, A. (1997) Nrase kinetics in salt stress in Phaseolus vulgaris. Phytochemistry, Vol.112, P.45.
Gojon, A. (2002) Competition between different kind of nitrogen forms in the seedling of Phaseolus vulgaris in salt stress conditions. Phytochemistry, Vol.116, P.131.
Rayan, G. Q.F. Hapkins (1999) The effects of chemical biofertilizers on salt absorption and translocation in different varieties of Glycince max in different environmental and ecophysiological conditions, Agro. Chem., Vol. 27, P.312.
Rao, K.P. D.W. Rains (1976) Nitrate absorption by barley I. Kinetics and energetics. Plant Physiol., Vol.57, P.55.
Rao, K.P., A.Gnanam (1990) Inhibition of nitrate and nitrite reductase activity by salinity stress in Sorghum vulgare, Phytochemistry, Vol.29 P.1047.
Rufty, T.W., R.J. Volk (1992) The effects of some ecophysiological parameters on growth and seed germination in different varieties of Phaseolus vulgaris Plant Physiol., Vol. 69, P.166.
Rufty, T.W., R.J. Volk, C.T. Mackown (1987) Endogenous nitrate in the root as a source of substrate for reduction in the light. Plant Physiol. Vol.84, P.1.
Rufty, T.W., M.Y. Yaeesh, (1991) Interactions between different kinds of nitrogen biofertilizers absorbed by different varieties of some crop plants. Plant Science, Vol.76, P.43.
Ruiz, C., J.D. Pbriskin (1991) Characterization of a H/No3 symport associated with plasma membrane vesicles of maize roots using labled ClO3 as a radio active analog. Arch. Biochem. Biophys., Vol. 285, P.74.
Ruiz, C. J., D. Pbriskin (2001) Kinetics of nitrate transport enzymes in plasma membrane vesicles of maize. Arch. Biochem. Biophys., Vol.328, P.115.
Touraine,B., B. muller, C. Grignon (1992) Effects of phloem-translocated malate on nitrate uptake by roots of intact soybean plants. Plant Physiol., 99: 1118-1123.
Sym, G.J. (1984) Optimisation of the invivo assay conditions for nitrate reductase in barley (Hordeum Vulgare L. Cv Igri) J. Sci. Food Agric 35: 725-30.
Abbas, M.A. (1989) The effects of salinity on nitrogen assimilation systems in Phaseolus vulgaris. University of Liverpool, England. Ph.D Thesis.
Abbas, M.A M.EYounis, H.M.El-Bassiony, and L. Mansoura. (1988) The effects of salt stress on nitrate reductase and nitrite reductase activities in Phaseolus vulgaris. Sci. Bull.,Vol. 13 (1), P.211.
Abbas, M.A M.E. Younis, and W.M. Shukry (1991) Plant growth, metabolism and adaptation in relation to stress conditions. XIV. Effects of salinity on internal solute concentrations in Phaseolus vulgaris. J. of Plant physiol, Vol.134, P.722.
Amzallag, A. A.Poljakoff; (1992) Interactions between mineral nutrients cytokinin and giberellic acid during growth of sorghum at high NaCl salinity. J. of Exp. Bot., Vol.246, P.246.
Aquila, D. A.Spada, (1993) Morphological and anatomical variations in vascular tissues of Phaseolus vulgaris in relation with salt stress in saline soils. Ann. Bot., Vol.72, P.97.
Aquila, D. A.Spada, (2002) Absorption and translocations of solutes in vascular systems of some crops in salt stress conditions. Ann. Bot., Vol.79, P.206.
Aslam, M. R.C. Huffaker, R.L. Travis, (1973) Nitrogen assimilation as affected by different contents of calcium in saline soils. Plant Physiol., Vol.52, P.137.
Aslam, M. R.C. Huffaker, D.W. Rains, (1979) Influence of light and ambient carbon dioxide cocentration on nitrate assimilation by intact barley seedlings, Early effects of salinity on nitrate assimilation in barley seedlings. Plant Physiol Vol.63, P.1205.
Aslam, M., R.C. Huffaker, D.W. Rains, (1984) The effects of light durations on nitrate assimilation in barley seedlings. Plant Physiol., Vol.76, P.321.
Baki, G.K.A-E.; Siefritz F.; Man H.-M.; Weiner H.; Kaldenhoff R.; Kaiser W.M. (2000) Nitrate reductase in Zea mays L. under salinity Plant, Cell & Environment, Volume 23, Number 5, May, pp. 515-521(7).
Barber, H., N.A. Norton, (1989) Agron. Long term effects of potassium chloride on seed germination in barely. J., Vol.34, P.1860
Barber, H. J. Marker, (1999) The effects of saliniy on calcium absorption in barley seedlings. J. Agron., Vol. 107, P.217.
Chantarotwong, W. (1973) Invivo nitrate reduction relations with nitrate uptake and nitrate contents. Plant Physiol., Vol.57, P.5190
Epstein, E (1961) The essential role of calcium in selective cation transport by plant cells. Plant Physiol., Vol. 36, P.437.
Gojon, A. (1997) Nrase kinetics in salt stress in Phaseolus vulgaris. Phytochemistry, Vol.112, P.45.
Gojon, A. (2002) Competition between different kind of nitrogen forms in the seedling of Phaseolus vulgaris in salt stress conditions. Phytochemistry, Vol.116, P.131.
Rayan, G. Q.F. Hapkins (1999) The effects of chemical biofertilizers on salt absorption and translocation in different varieties of Glycince max in different environmental and ecophysiological conditions, Agro. Chem., Vol. 27, P.312.
Rao, K.P. D.W. Rains (1976) Nitrate absorption by barley I. Kinetics and energetics. Plant Physiol., Vol.57, P.55.
Rao, K.P., A.Gnanam (1990) Inhibition of nitrate and nitrite reductase activity by salinity stress in Sorghum vulgare, Phytochemistry, Vol.29 P.1047.
Rufty, T.W., R.J. Volk (1992) The effects of some ecophysiological parameters on growth and seed germination in different varieties of Phaseolus vulgaris Plant Physiol., Vol. 69, P.166.
Rufty, T.W., R.J. Volk, C.T. Mackown (1987) Endogenous nitrate in the root as a source of substrate for reduction in the light. Plant Physiol. Vol.84, P.1.
Rufty, T.W., M.Y. Yaeesh, (1991) Interactions between different kinds of nitrogen biofertilizers absorbed by different varieties of some crop plants. Plant Science, Vol.76, P.43.
Ruiz, C., J.D. Pbriskin (1991) Characterization of a H/No3 symport associated with plasma membrane vesicles of maize roots using labled ClO3 as a radio active analog. Arch. Biochem. Biophys., Vol. 285, P.74.
Ruiz, C. J., D. Pbriskin (2001) Kinetics of nitrate transport enzymes in plasma membrane vesicles of maize. Arch. Biochem. Biophys., Vol.328, P.115.
Touraine,B., B. muller, C. Grignon (1992) Effects of phloem-translocated malate on nitrate uptake by roots of intact soybean plants. Plant Physiol., 99: 1118-1123.
Sym, G.J. (1984) Optimisation of the invivo assay conditions for nitrate reductase in barley (Hordeum Vulgare L. Cv Igri) J. Sci. Food Agric 35: 725-30.