References
- Ahmad, I. and J.A. Hellebust. 1984. Nitrogen metabolism of the marine microalga Chlorella autotrophica. Plant Physiol. 76:658–663.
- Chang, S., J. Puryear, and J. Cairney. 1993. A simple and efficient method for isolating RNA from pine trees. Plant Mol. Biol. Rpt. 11:113–116.
- Crawford, N.M. and A.D.M. Glass. 1998. Molecular and physiological aspects of nitrate uptake in plants. Trends Plant Sci. 3:389–395.
- Daniel-Vedele, F., S. Filleur, and M. Caboche. 1998. Nitrate transport: a key step in nitrate assimilation. Curr. Opin. Plant Biol. 1:235–239.
- Dechorgnat, J., C.T. Nguyen, P. Armengaud, M. Jossier, E. Diatloff, S. Filleur, and F. Daniel-Vedele. 2010. From the soil to the seeds: the long journey of nitrate in plants. J. Expt. Bot. 62:1–11.
- Escobar-Gutiérrez, A.J., I.G. Burns, A. Lee, and R.N. Redmondson. 2002. Screening lettuce cultivars for low nitrate content during summer and winter production. J. Hort. Sci. Biotechnol. 77:232–237.
- Fan, S.C., C.S. Lin., P.K. Hsu, S.H. Lin, and Y.F. Tsay. 2009. The Arabidopsis nitrate transporter NRT1.7, expressed in phloem, is responsible for source-to-sink remobilization of nitrate. Plant Cell. 21:2750–2761.
- Fernandez, E. and A. Galvan. 2008. Nitrate assimilation in Chlamydomonas. Eukaryot. Cell 7:555–559.
- Forde, B.G. 2000. Nitrate transporters in plants: structure, function and regulation. Biochim. Biophys. Acta 1465:219–235.
- Galvan, A. and E. Fernández. 2001. Eukaryotic nitrate and nitrite transporters. Cell. Mol. Life Sci. 58:225–233.
- Huang, N.C., K.H. Liu, H.J. Lo, and Y.F. Tsay. 1999. Cloning and functional characterization of an Arabidopsis nitrate transporter gene that encodes a constitutive component of low-affinity uptake. Plant Cell. 11:1381–1392.
- Lerna, A. 2009. Influence of harvest date on nitrate contents of three potato varieties for off-season production. J. Food Comp. Anal. 22:551–555.
- Li, W., Y. Wang, M. Okamoto, N.M. Crawford, M.Y. Siddiqi, and A.D.M. Glass. 2007. Dissection of the AtNRT2.1:AtNRT2.2 inducible high-affinity nitrate transporter gene cluster. Plant Physiol. 143:425–433.
- Liu, K.H., C.Y. Huang, and Y.F. Tsay. 1999. CHL1 is a dual-affinity nitrate transporter of Arabidopsis involved in multiple phases of nitrate uptake. Plant Cell. 11:865–874.
- Livak, K.J. and T.D. Schmittgen. 2001. Analysis of relative gene expression data using realtime quantitative PCR and the 2−ΔΔCt method. Methods 25:402–408.
- Marschner, H. 1995. Mineral nutrition of higher plants. Academic Press, London.
- M’hamdi, M., G. Abid, H. Chikh-Rouhou, N. Razgallah, and A. Hassen. 2016. Effect of genotype and growing season on nitrate accumulation and expression patterns of nitrate transporter genes in Potato (Solanum tuberosum L.). Arch. Agron. Soil Sci. 62(11):1508–1520.
- M’hamdi, M., I. Boughattas, H. Chikh-Rouhou, E. Souhli, and T. Bettaeib. 2014. Effect of different levels of nitrogen fertilizer on morphological and physiological parameters and nitrates accumulation of lettuce cultivars (Lactuca sativa L.). Res. Plant Biol. 4:27–38.
- Nakamura, Y., Y. Umemiya, K. Masuda, H. Inoue, and M. Fukumoto. 2007. Molecular cloning and expression analysis of cDNAs encoding a putative Nrt2 nitrate transporter from peach. Tree Physiol. 27:503–510.
- Okamoto, M., Kumar, A., Li, W., Wang, Y., Siddiqi, M.Y., Crawford, N.M., and Glass, A.D. (2006). High-affinity nitrate transport in roots of Arabidopsis depends on expression of the NAR2-like gene AtNRT3.1. Plant Physiol. 140:1036–1046.
- Okamoto, M., Vidmar, J.J., and Glass, A.D.M. 2003. Regulation of NRT1 and NRT2 gene families of Arabidopsis thaliana: Responses to nitrate provision. Plant Cell Physiol. 44:304–317.
- Orsel, M., F. Chopin, O. Leleu, S.J. Smith, A. Krapp, F. Daniel-Vedele, and A.J. Miller. 2006. Characterization of a two-component high-affinity nitrate uptake system in Arabidopsis. Physiology and protein–protein interaction. Plant Physiol. 142:1304–1317.
- Parker, J.L. and S. Newstead. 2014. Molecular basis of nitrate uptake by the plant nitrate transporter NRT1. Nature 507:68–72.
- Razgallah, N., G. Abid, H. Chikh-Rouhou, A. Hassen, and M. M’hamdi. 2016. Nitrate content and expression of putative nitrate transporter genes in lettuce fertilized with nitrogen fertilizers. Intl. J. Veg. Sci.
- Razgallah, N., H. Chikh-Rouhou, I. Boughattas, and M. M’hamdi. 2015. Nitrate contents in some vegetables in Tunisia. Arch. Agron. Soil Sci. 62(4):473–483.
- Reinink, K. 1988. Improving quality of lettuce by breeding for low nitrate content. Acta Hort. 222:121–128.
- Rozen, S. and H.J. Skaletsky. 2000. Primer3 on the WWW for general users and for biologist programmers, p. 365–386. In: S. Krawetz and S. Misener (eds.). Bioinformatics methods and protocols: methods in molecular biology. Humana Press, Totowa, N.J.
- Tong, Y., J.J. Zhou, Z. Li, and A.J. Miller. 2005. A two-component high-affinity nitrate uptake system in barley. Plant J. 41:442–450.
- Tsay, Y.F., J.I. Schroeder, K.A. Feldmann, and N.M. Crawford. 1993. The herbicide sensitivity gene CHL1 of Arabidopsis encodes a nitrate-inducible nitrate transporter. Cell 72:705–713.
- Tsay Y.F., C.C. Chiu, C.B. Tsai, C.H. Ho, and P.K. Hsu. 2007. Nitrate transporters and peptide transporters. FEBS Letters 581:2290–3000.
- Zhao, S., X. Ye, Y. Zhang, and J.C. Zhen. 2010. The contribution of bnnrt1 and bnnrt2 to nitrate accumulation varied according to genotypes in Chinese cabbage. African J. Biotechnol. 9(31):4910–4917.