[Abadía J., Abadía A., 1993. Iron and pigments. In: Iron Chelation in Plants and Soil Microorganisms. L.L. Barton and B.C. Hemming (Eds), Academic Press, San Diego, USA, 327-343.10.1016/B978-0-12-079870-4.50020-X]Search in Google Scholar
[Álvarez-Fernández A., Melgar J.C, Abadía J., Abadía A., 2011. Effects of moderate and severe iron deficiency chlorosis on fruit yield, appearance and composition in pear (Pyrus communis L.) and peach (Prunus persica (L.) Batsch). Environ. Exper. Bot. 71, 280-286.10.1016/j.envexpbot.2010.12.012]Search in Google Scholar
[Berlyn G.P., Miksche J.P., 1976. Botanical Microtechnique and Cytochemistry. Ames Iowa: Iowa State University Press, USA.10.2307/2418781]Search in Google Scholar
[Bienfait H.F., Bino R.J., van der Blick A.M., Duivenvoorden J.F., Fontaine J.M., 1983. Characterization of ferric reducing activity in roots of Fe-deficient Phaseolus vulgaris. Physiol. Plant. 59, 196-202.10.1111/j.1399-3054.1983.tb00757.x]Search in Google Scholar
[Boamponsem G.A., Leung D.W.M., Lister C., 2017. Insights into resistance to Fe deficiency stress from a comparative study of in vitro-selected novel Fe-efficient and Fe-inefficient potato plants. Front. Plant Sci. 8, 1581.10.3389/fpls.2017.01581560141528955367]Search in Google Scholar
[Correia P.J., Pestana M., Martins-Loução M.A., 2003. Nutrient deficiencies in carob (Ceratonia siliqua L.) grown in solution culture. J. Hortic. Sci. Biotechnol. 78, 847-852.10.1080/14620316.2003.11511708]Search in Google Scholar
[Dasgan H.Y., Römheld V., Cakmak I., Abak K., 2002. Physiological root responses of iron deficiency susceptible and tolerant tomato genotypes and their reciprocal F1 hybrids. Plant Soil 241, 97-104.10.1023/A:1016060710288]Search in Google Scholar
[Giehl R.F.H., Lima J.E., von Wirén N., 2012. Localized iron supply triggers lateral root elongation in Arabidopsis by altering the AUX1-mediated auxin distribution. Plant Cell 24, 33-49.10.1105/tpc.111.092973328957822234997]Search in Google Scholar
[Graças J.P., Ruiz-Romero R., Figueiredo L.D., Mattiello L., Peres, L.E.P., Vitorello V.A., 2016. Root growth restraint can be an acclimatory response to low pH and is associated with reduced cell mortality: a possible role of class III peroxidases and NADPH oxidases. Plant Biol. 18, 658-668.10.1111/plb.1244326891589]Search in Google Scholar
[Guerinot M.L., Yi Y., 1994. Iron: nutritious, noxious, and not readily available. Plant Physiol. 104, 815-820.10.1104/pp.104.3.81516067712232127]Search in Google Scholar
[Hindt M.N., Guerinot M.L., 2012. Getting a sense for signals: regulation of the plant iron deficiency response. Biochim. Biophys. Acta 1823, 1521-1530.10.1016/j.bbamcr.2012.03.010]Search in Google Scholar
[Jin C.W., Du S.T., Shamsi I.H., Luo B.F., Lin X.Y., 2011. NO synthase-generated NO acts downstream of auxin in regulating Fe-deficiency-induced root branching that enhances Fe-deficiency tolerance in tomato plants. J. Exp. Bot. 62, 3875-3884.10.1093/jxb/err078]Search in Google Scholar
[Kawahara Y., Kitamura Y., 2015. Changes in cell size and number and in rhizodermal development contribute to root tip swelling of Hyoscyamus albus roots subjected to iron deficiency. Plant Physiol. Biochem. 89, 107-111.10.1016/j.plaphy.2015.02.018]Search in Google Scholar
[Kobayashi T., Nishizawa N.K., 2014. Iron sensors and signals in response to iron deficiency. Plant Sci. 224, 36-43.10.1016/j.plantsci.2014.04.002]Search in Google Scholar
[Landsberg E-C., 1995. Transfer cells formation in sugar beet roots induced by latent Fe deficiency. In: Iron Nutrition in Soils and Plants. J. Abadía. (Ed.), Springer, Dordrecht, Netherlands, 67-75.10.1007/978-94-011-0503-3_10]Search in Google Scholar
[Li Z., Phillip D., Neuhäuser B., Schulze W.X., Ludewig U., 2015. Protein dynamics in young maize root hairs in response to macro and micronutrient deprivation. J. Proteome Res. 14, 3362-3371.10.1021/acs.jproteome.5b00399]Search in Google Scholar
[Lichtenthaler H.K., 1987. Chlorophylls and carotenoids: pigments of photosynthetic biomembranes. Methods Enzymol. 148, 350-382.10.1016/0076-6879(87)48036-1]Search in Google Scholar
[Lucena C., Romera F.J., García M.J., Alcántara E., Pérez-Vicente R., 2015. Ethylene participates in the regulation of Fe deficiency responses in strategy I plants and in rice. Front. Plant Sci. 6, 1-16.10.3389/fpls.2015.01056466123626640474]Search in Google Scholar
[Morales F., Abadía A., Abadía J., 1990. Characterization of the xanthophyll cycle and other photosynthetic pigment changes induced by iron deficiency in sugar beet (Beta vulgaris L.). Plant Physiol. 94, 607-613.10.1104/pp.94.2.607107727516667755]Search in Google Scholar
[Paolacci A.R., Celletti S., Catarcione G., Hawkesford M.J., Astolfi S., Ciaffi M., 2014. Iron deprivation results in a rapid but not sustained increase of the expression of genes involved in iron metabolism and sulfate uptake in tomato (Solanum lycopersicum L.) seedlings. J. Int. Plant Biol. 56, 88-100.10.1111/jipb.1211024119307]Search in Google Scholar
[Pestana M., Correia P.J., Saavedra T., Gama F., Abadía A., de Varennes A., 2012. Development and recovery of iron deficiency by iron resupply to roots or leaves of strawberry plants. Plant Physiol. Biochem. 53, 1-5.10.1016/j.plaphy.2012.01.00122285409]Search in Google Scholar
[Pestana M., David M., de Varennes A., Abadía J., Faria E.A., 2001. Responses of ‘Newhall’ orange trees to iron deficiency in hydroponics: effects on leaf chlorophyll, photosynthetic efficiency and root ferric chelate reductase activity. J. Plant Nutr. 24, 1609-1620.10.1081/PLN-100106024]Search in Google Scholar
[Pestana M., Faria E.A., De Varennes A., 2004. Lime-induced iron chlorosis in fruit trees. In: Production Practices and Quality Assessment of Food Crops. R. Dris and S.M. Jain (Eds), Springer, Dordrecht, Netherlands, 171-215.10.1007/1-4020-2536-X_7]Search in Google Scholar
[Romera F.J., Alcántara E., 2004. Ethylene involvement in the regulation of Fe-deficiency stress responses by Strategy I plants. Funct. Plant Biol. 31, 315-328.10.1071/FP0316532688902]Search in Google Scholar
[Römheld V., Marschner H., 1986. Mobilization of iron in the rhizosphere of different plant species. Adv. Plant Nutr. 2, 155-204.]Search in Google Scholar
[Santi S., Schmidt W., 2009. Dissecting iron deficiency-induced proton extrusion in Arabidopsis roots. New Phytol. 183, 1072-1084.10.1111/j.1469-8137.2009.02908.x19549134]Search in Google Scholar
[Schmidt W., 1999. Mechanisms and regulation of reduction-based iron uptake in plants. New Phytol. 141, 1-26.10.1046/j.1469-8137.1999.00331.x]Search in Google Scholar
[Sun H., Feng F., Liu J., Zhao Q., 2017. The interaction between auxin and nitric oxide regulates root growth in response to iron deficiency in rice. Front. Plant Sci. 8, 2169.10.3389/fpls.2017.02169574367929312409]Search in Google Scholar
[Von Wirén N., Bennett M.J., 2016. Crosstalk between gibberellin signalling and iron uptake in plants: an Achilles’ Heel for modern cereal varieries? Dev. Cell 37, 110-111.10.1016/j.devcel.2016.04.00327093079]Search in Google Scholar
[Wu T., Zhang H-T., Wang Y., Jia W-S., Xu X-F., Zhang X-Z., et al., 2012. Induction of root Fe (III) reductase activity and proton extrusion by iron deficiency is mediated by auxin-based systemic signalling in Malus xiaojinensis. J. Exp. Bot. 63, 859-870.10.1093/jxb/err314325468622058407]Search in Google Scholar
[Zuchi S., Cesco S., Gottardi S., Pinton R., Römheld V., Astolfi S., 2011. The rot-hairless barley mutant brb used as model for assessment of role of root hairs in iron accumulation. Plant Physiol. Biochem. 49, 506-512.10.1016/j.plaphy.2010.12.00521236691]Search in Google Scholar
[Zuchi S., Cesco S., Varanini Z., Pinton R., Astolfi S., 2009. Sulphur deprivation limits Fe-deficiency responses in tomato plants. Planta 230, 85-94.10.1007/s00425-009-0919-119350269]Search in Google Scholar