The severity of iron chlorosis in sensitive plants is related to soil phosphorus levels

Sánchez‐Rodríguez, Antonio Rafael; Campillo, M. C. del; Torrent, J.

doi:10.1002/jsfa.6622

Cited by 13 publications

(6 citation statements)

References 38 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Recently, Sánchez-Rodríguez et al [ 92 , 93 ] have shown that phosphate fertilization alters Fe availability in soils and can aggravate Fe deficiency-induced chlorosis in susceptible plants. On the other hand, Fe oxides play an important role in controlling the P availability in soils, since Pi is adsorbed on their surface.…”

Section: Fe and P Nutrition Interactions A Great Opportunity To Improve The Nutrition Of Both Elementsmentioning

confidence: 99%

Ethylene and Nitric Oxide Involvement in the Regulation of Fe and P Deficiency Responses in Dicotyledonous Plants

García

Lucena

Romera

2021

IJMS

View full text Add to dashboard Cite

Iron (Fe) and phosphorus (P) are two essential elements for plant growth. Both elements are abundant in soils but with poor availability for plants, which favor their acquisition by developing morphological and physiological responses in their roots. Although the regulation of the genes related to these responses is not totally known, ethylene (ET) and nitric oxide (NO) have been involved in the activation of both Fe-related and P-related genes. The common involvement of ET and NO suggests that they must act in conjunction with other specific signals, more closely related to each deficiency. Among the specific signals involved in the regulation of Fe- or P-related genes have been proposed Fe-peptides (or Fe ion itself) and microRNAs, like miR399 (P), moving through the phloem. These Fe- or P-related phloem signals could interact with ET/NO and confer specificity to the responses to each deficiency, avoiding the induction of the specific responses when ET/NO increase due to other nutrient deficiencies or stresses. Besides the specificity conferred by these signals, ET itself could confer specificity to the responses to Fe- or P-deficiency by acting through different signaling pathways in each case. Given the above considerations, there are preliminary results suggesting that ET could regulate different nutrient responses by acting both in conjunction with other signals and through different signaling pathways. Because of the close relationship among these two elements, a better knowledge of the physiological and molecular basis of their interaction is necessary to improve their nutrition and to avoid the problems associated with their misuse. As examples of this interaction, it is known that Fe chlorosis can be induced, under certain circumstances, by a P over- fertilization. On the other hand, Fe oxides can have a role in the immobilization of P in soils. Qualitative and quantitative assessment of the dynamic of known Fe- and P-related genes expression, selected ad hoc and involved in each of these deficiencies, would allow us to get a profound knowledge of the processes that regulate the responses to both deficiencies. The better knowledge of the regulation by ET of the responses to these deficiencies is necessary to properly understand the interactions between Fe and P. This will allow the obtention of more efficient varieties in the absorption of P and Fe, and the use of more rational management techniques for P and Fe fertilization. This will contribute to minimize the environmental impacts caused by the use of P and Fe fertilizers (Fe chelates) in agriculture and to adjust the costs for farmers, due to the high prices and/or scarcity of Fe and P fertilizers. This review aims to summarize the latest advances in the knowledge about Fe and P deficiency responses, analyzing the similarities and differences among them and considering the interactions among their main regulators, including some hormones (ethylene) and signaling substances (NO and GSNO) as well as other P- and Fe-related signals.

show abstract

Section: Fe and P Nutrition Interactions A Great Opportunity To Improve The Nutrition Of Both Elementsmentioning

confidence: 99%

Ethylene and Nitric Oxide Involvement in the Regulation of Fe and P Deficiency Responses in Dicotyledonous Plants

García

Lucena

Romera

2021

IJMS

View full text Add to dashboard Cite

show abstract

“…Brown et al [156] observed that HCO 3 − increased P availability in soil and its intake by the plant, which negatively affected Fe acquisition. More recently, Sánchez-Rodríguez et al [64,157], in studies carried out with plant species of different sensitivity to Fe chlorosis grown in calcareous soils, showed that phosphate fertilization alters the availability of Fe in the soil, generally aggravating Fe chlorosis in sensitive plants. This effect is variable, depending on the plant (strategy for acquisition of Fe, species and variety, age) and the content of available P and non-crystalline Fe oxides of the soil.…”

Section: Effect Of P On Fe Nutrition and Vice Versamentioning

confidence: 99%

Similarities and Differences in the Acquisition of Fe and P by Dicot Plants

et al. 2018

View full text Add to dashboard Cite

This review deals with two essential plant mineral nutrients, iron (Fe) and phosphorus (P); the acquisition of both has important environmental and economic implications. Both elements are abundant in soils but are scarcely available to plants. To prevent deficiency, dicot plants develop physiological and morphological responses in their roots to specifically acquire Fe or P. Hormones and signalling substances, like ethylene, auxin and nitric oxide (NO), are involved in the activation of nutrient-deficiency responses. The existence of common inducers suggests that they must act in conjunction with nutrient-specific signals in order to develop nutrient-specific deficiency responses. There is evidence suggesting that P-or Fe-related phloem signals could interact with ethylene and NO to confer specificity to the responses to Fe-or P-deficiency, avoiding their induction when ethylene and NO increase due to other nutrient deficiency or stress. The mechanisms responsible for such interaction are not clearly determined, and thus, the regulatory networks that allow or prevent cross talk between P and Fe deficiency responses remain obscure. Here, fragmented information is drawn together to provide a clearer overview of the mechanisms and molecular players involved in the regulation of the responses to Fe or P deficiency and their interactions.

show abstract

“…Furthermore, micro-nutrient availability can be influenced by the level of availability of other nutrients. For example, high bioavailability of P in soil reduces Fe and Zn availability to crops (Bouain et al 2014;Sánchez-Rodríguez 2014). However, a positive relation has been obtained between soil P and grain Se content (Ngigi et al 2020), which may be attributed to a high availability of P in the soil reducing Se adsorption on soil solid surfaces and making it more available to the crop because phosphate is more strongly bound to Fe and Al than Se, with greater effect on selenite than selenate (Dinh et al 2018;Eich-Greatorex et al 2010;Gupta and Gupta 2017;Li et al 2018;Ngigi et al 2020).…”

Section: Discussionmentioning

confidence: 99%

Spatial variability of iron, zinc and selenium content in faba bean (Vicia faba L.) seeds from central and southwestern highlands of Ethiopia

et al. 2022

View full text Add to dashboard Cite

show abstract

The severity of iron chlorosis in sensitive plants is related to soil phosphorus levels

Abstract: Application of fertiliser P to Fe chlorosis-inducing soils is likely to aggravate this deficiency. However, this effect depends on the plant and the Fe and P statuses of the soil.

Cited by 13 publications

References 38 publications

Ethylene and Nitric Oxide Involvement in the Regulation of Fe and P Deficiency Responses in Dicotyledonous Plants

Ethylene and Nitric Oxide Involvement in the Regulation of Fe and P Deficiency Responses in Dicotyledonous Plants

Similarities and Differences in the Acquisition of Fe and P by Dicot Plants

Spatial variability of iron, zinc and selenium content in faba bean (Vicia faba L.) seeds from central and southwestern highlands of Ethiopia

Contact Info

Product

Resources

About