Seedlings of medicinal plants treated with either a cytokinin antagonist (PI-55) or an inhibitor of cytokinin degradation (INCYDE) are protected against the negative effects of cadmium

Gemrotová, Markéta; Kulkarni, Manoj G.; Stirk, Wendy A.; Strnad, Miroslav; Staden, J. Van; Spíchal, Lukáš

doi:10.1007/s10725-013-9813-8

Cited by 48 publications

(36 citation statements)

References 28 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…In vivo treatment with the most effective inhibitors of this class, 2-chloro-6-(3-methoxyphenyl)aminopurine (INCYDE) and 2-fluoro-6-(3-methoxyphenyl) aminopurine (INCYDE-F), phenocopies the deregulation of CKX expression and promotes the development of yield-forming traits under field conditions (Spíchal et al, unpublished results). It was recently shown that INCYDE protects plants against the negative effects of Cd exposure in a similar way to PI-55, although most probably by a different mechanism (Gemrotová et al 2013). Moreover, the stabilization of CK levels due to treatment with INCYDE confers enhanced resistance to the pathogen Verticillium longisporum in Arabidopsis (Reusche et al 2013).…”

Section: Chemical Tools To Modulate Cytokinin Statusmentioning

confidence: 98%

“…Treatment with PI-55 had positive effects on seedling shoot and root growth as well as the fresh weight of treated seedlings of various plant species grown in the presence of Cd. This suggests that the modulation of cytokinin levels via treatment with exogenous inhibitors of cytokinin perception may be useful for protecting plants against the adverse effects of high Cd levels (Gemrotová et al 2013).…”

Section: Chemical Tools To Modulate Cytokinin Statusmentioning

confidence: 99%

See 1 more Smart Citation

The Biotechnological Potential of Cytokinin Status Manipulation

Šmehilová

Spíchal

2013

Plant Cell Monographs

Self Cite

View full text Add to dashboard Cite

Cytokinins are highly conserved plant hormones with a long evolutionary history that regulate various aspects of plant growth and development. The genetic background of the mechanisms involved in the regulation of plants' cytokinin status has recently been elucidated. Studies on transgenic plants with altered cytokinin biosynthesis, metabolism, degradation, or signaling revealed interesting consequences of cytokinin deficiency or disruption of cytokinin perception that can be applied in plant biotechnology and agriculture. Cytokinin levels and the sensing thereof can be manipulated using transgenic approaches and by treating plants with novel exogenous compounds in order to promote root system development, biomass formation, yield-forming traits, nutrient uptake, and tolerance of biotic and abiotic stresses. This chapter provides an overview of recent findings concerning the molecular basis and genetic background of cytokinin signaling and metabolism and the ways in which they can be manipulated to tailor plants' traits to meet specific requirements.

show abstract

Section: Chemical Tools To Modulate Cytokinin Statusmentioning

confidence: 98%

Section: Chemical Tools To Modulate Cytokinin Statusmentioning

confidence: 99%

The Biotechnological Potential of Cytokinin Status Manipulation

Šmehilová

Spíchal

2013

Plant Cell Monographs

Self Cite

View full text Add to dashboard Cite

show abstract

“…Based on previous findings (Gemrotová et al 2013), 10 nM INCYDE via either soil drenching or foliar application to the tomato seedlings was used for the current experiments. The choice of 10 nM was based on our initial study which focused on optimizing INCYDE concentration using Arabidopsis thaliana WT.…”

Section: Incyde Preparation and Greenhouse Experimental Designmentioning

confidence: 99%

“…CK homeostasis and signaling components have emerged as engineered targets for enabling plant adaptation to adverse conditions and development of stress-tolerant plants (Chernyad'ev 2009;Zalabák et al 2013;Bergougnoux 2014). Thus, modulating the CK status with inhibitors of CK perception and/or degradation may be useful in protecting plants against adverse abiotic effects (Gemrotová et al 2013). Cytokinin oxidase/dehydrogenase (CKX) is a key enzyme that accounts for most of the CK catabolism and inactivation (Schmülling et al 2003;Frébort et al 2011).…”

Section: Introductionmentioning

confidence: 99%

“…Globally, it is a widely researched plant with emphasis on different approaches geared toward improving its growth (Arthur et al 2012;Nakaune et al 2012) and stress alleviation or tolerance (Cuartero and Fernández-Muñoz 1998;Fan et al 2011;Gálvez et al 2012;Chinsamy et al 2013). Recently, the potential of INCYDE has been demonstrated in micropropagation (Aremu et al 2012a), under cadmium stress conditions (Gemrotová et al 2013) and biotic stress (Reusche et al 2013). In view of the promising findings, the current study evaluated the potential of INCYDE on the growth, biochemical parameters and photosynthetic apparatus efficiency of greenhouse-grown tomato plants under different concentrations of NaCl.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

A novel inhibitor of cytokinin degradation (INCYDE) influences the biochemical parameters and photosynthetic apparatus in NaCl-stressed tomato plants

Aremu

Sunmonu

Kulkarni

et al. 2014

Planta

Self Cite

View full text Add to dashboard Cite

The effect of 2-chloro-6-(3-methoxyphenyl)aminopurine [inhibitor of cytokinin degradation (INCYDE)] at 10 nM on growth, biochemical and photosynthetic efficiency in sodium chloride (NaCl)-stressed (75, 100 and 150 mM) tomato plants was investigated. NaCl-induced decline in plant vigor index was slightly reversed by both drenching and foliar application of INCYDE. Foliar application of INCYDE significantly increased the flower number in the control and 75 mM NaCl-supplemented plants, while drenching was more effective in 150 mM NaCl-stressed plants. Antioxidant enzymes (peroxidase, catalase and superoxide dismutase) were enhanced in the presence of INCYDE in the control and NaCl-stressed plants. Higher concentration of malondialdehyde (MDA) associated with oxidative (lipid peroxidation) damage in leaf tissue which was evident in the presence of NaCl stress was significantly attenuated with the drenching and foliar application of INCYDE. Regardless of NaCl concentration, application of INCYDE had no significant influence on maximum quantum efficiency of photosystem II. However, the reduced quantum yield of photosystem II and coefficient of photochemical quenching under continuous illumination with actinic light at four intensities (264, 488, 800 and 1,200 µmol m(-2) s(-1)) in NaCl-stressed (100 and 150 mM) tomato plants were significantly alleviated by drenching application with INCYDE. Non-photochemical quenching of the singlet excited state of chlorophyll a and relative electron transfer rate were generally higher in INCYDE-treated plants than in the controls. From an agricultural perspective, these findings indicate the potential of INCYDE in protecting plants against NaCl stress and the possibility of enhanced productivity.

show abstract

Phytohormonal Roles in Plant Responses to Heavy Metal Stress: Implications for Using Macrophytes in Phytoremediation of Aquatic Ecosystems

Nguyen

Sesin

Kisiała

et al. 2020

Enviro Toxic and Chemistry

114

View full text Add to dashboard Cite

Heavy metals can represent a threat to the health of aquatic ecosystems. Unlike organic chemicals, heavy metals cannot be eliminated by natural processes such as their degradation into less toxic compounds, and this creates unique challenges for their remediation from soil, water, and air. Phytoremediation, defined as the use of plants for the removal of environmental contaminants, has many benefits compared to other pollution-reducing methods. Phytoremediation is simple, efficient, cost-effective, and environmentally friendly because it can be carried out at the polluted site, which simplifies logistics and minimizes exposure to humans and wildlife. Macrophytes represent a unique tool to remediate diverse environmental media since they can accumulate heavy metals from contaminated sediment via roots, from water via submerged leaves, and from air via emergent shoots. In this review, a synopsis is presented about how plants, especially macrophytes, respond to heavy metal stress and we propose potential roles that phytohormones can play in the alleviation of metal toxicity in the aquatic environment. We focus on the uptake, translocation, and accumulation mechanisms of heavy metals in organs of macrophytes and give examples of how phytohormones interact with plant defense systems under heavy metal exposure. We advocate for a more in-depth understanding of these processes to inform more effective metal remediation techniques from metal-polluted waterbodies.

show abstract

Seedlings of medicinal plants treated with either a cytokinin antagonist (PI-55) or an inhibitor of cytokinin degradation (INCYDE) are protected against the negative effects of cadmium

Cited by 48 publications

References 28 publications

The Biotechnological Potential of Cytokinin Status Manipulation

The Biotechnological Potential of Cytokinin Status Manipulation

A novel inhibitor of cytokinin degradation (INCYDE) influences the biochemical parameters and photosynthetic apparatus in NaCl-stressed tomato plants

Phytohormonal Roles in Plant Responses to Heavy Metal Stress: Implications for Using Macrophytes in Phytoremediation of Aquatic Ecosystems

Contact Info

Product

Resources

About