Cellular Biology of Sulfur and Its Functions in Plants

Hell, Rüdiger; Khan, Muhammad Shuaib; Wirtz, Markus

doi:10.1007/978-3-642-10613-2_11

Cited by 15 publications

(13 citation statements)

References 258 publications

(288 reference statements)

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“…Bacteria take it up as sulfate or thiosulfate compounds, and thiosulfate assimilation in bacteria has been extensively studied (Ghosh and Dam 2009). Although fragmented information can be found on thiosulfate in plants, reviews and research articles on the biochemistry and molecular biology of plant sulfur metabolism scarcely refer to it, reflecting a lack of knowledge on its importance to cell metabolism and to regulation of plant growth (Hell et al 2010;Yi et al 2010;Mugford et al 2011).…”

Section: Introductionmentioning

confidence: 99%

Thiosulfate stimulates growth and alleviates silver and copper toxicity in tomato root cultures

Steinitz

Bilavendran

2011

Plant Cell Tiss Organ Cult

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The influence of supplemented thiosulfate (S 2 O 3 2-) as well as a complex of either Ag ? or Cu 2? with S 2 O 3 2-in the culture medium on proliferating root cultures of tomato (Solanum lycopersicum) was investigated. The presence of 10-300 lM sodium thiosulfate (Na 2 S 2 O 3 ) in half-strength Murashige and Skoog (MS) basal salt medium promoted root elongation and proliferation of lateral roots. Growth was enhanced by 1-2 lM AgNO 3 , but was completely arrested at 5 lM AgNO 3 ; moreover, growth inhibition was elicited by dissolved silver (Ag ? ) and by silver in silver precipitate particles. Root elongation was also inhibited by 50 lM CuSO 4 supplemented to the basal medium. Roots subjected to either AgNO 3 or CuSO 4 growth inhibiting treatments were unable to recover following transfer to medium lacking either Ag ? or Cu 2? . When the basal medium was supplemented with either silver or copper in the form of silver thiosulfate complex or copper thiosulfate complex, root cultures continued to elongate and proliferate, thus either completely alleviating or diminishing the inhibitory effects of Ag ? and Cu 2? , respectively. It was concluded that tomato roots sensed and responded to S 2 O 3 2-, hence root proliferation could be promoted by adding Na 2 S 2 O 3 to the medium. Moreover, a complex of Ag ? with S 2 O 3 2-detoxified dissolved Ag ? and prevented the generation of toxic silver particle precipitates. Consequently, silver thiosulfate was superior to AgNO 3 in enhancing root culture. Finally, a complex of Cu 2? with S 2 O 3 2-ligand reduced toxicity of Cu 2? to root cultures of tomato.

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Section: Introductionmentioning

confidence: 99%

Thiosulfate stimulates growth and alleviates silver and copper toxicity in tomato root cultures

Steinitz

Bilavendran

2011

Plant Cell Tiss Organ Cult

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“…The S reduction pathway is well characterized and conserved among different plant species. However, the major site of S reduction varies and might be dependent on environmental conditions and plant species (Rennenberg et al, 1979;Brunold and Suter, 1989;Hopkins et al, 2005;Hawkesford and De Kok, 2006;Hell et al, 2010). Following translocation of sulfate in the xylem transpiration stream, S reduction predominantly occurs in mature source leaves (Rennenberg et al, 1979;Bourgis et al, 1999;Lappartient et al, 1999;Hopkins et al, 2005), although in legumes, S reduction also takes place in other organs.…”

mentioning

confidence: 99%

Increased Phloem Transport of S-Methylmethionine Positively Affects Sulfur and Nitrogen Metabolism and Seed Development in Pea Plants

Tan

Zhang²,

Grant³

et al. 2010

Plant Physiology

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Seeds of grain legumes are important energy and food sources for humans and animals. However, the yield and quality of legume seeds are limited by the amount of sulfur (S) partitioned to the seeds. The amino acid S-methylmethionine (SMM), a methionine derivative, has been proposed to be an important long-distance transport form of reduced S, and we analyzed whether SMM phloem loading and source-sink translocation are important for the metabolism and growth of pea (Pisum sativum) plants. Transgenic plants were produced in which the expression of a yeast SMM transporter, S-Methylmethionine Permease1 (MMP1, YLL061W), was targeted to the phloem and seeds. Phloem exudate analysis showed that concentrations of SMM are elevated in MMP1 plants, suggesting increased phloem loading. Furthermore, expression studies of genes involved in S transport and metabolism in source organs, as well as xylem sap analyses, support that S uptake and assimilation are positively affected in MMP1 roots. Concomitantly, nitrogen (N) assimilation in root and leaf and xylem amino acid profiles were changed, resulting in increased phloem loading of amino acids. When investigating the effects of increased S and N phloem transport on seed metabolism, we found that protein levels were improved in MMP1 seeds. In addition, changes in SMM phloem loading affected plant growth and seed number, leading to an overall increase in seed S, N, and protein content in MMP1 plants. Together, these results suggest that phloem loading and source-sink partitioning of SMM are important for plant S and N metabolism and transport as well as seed set.

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“…Sulfur is a constituent of the amino acids cysteine (Cys) and methionine (Met) which are necessary for the synthesis of proteins and serve as precursors of important cofactors and sulfur containing secondary metabolites ( Thomas et al, 2000 ; Mugford et al, 2011 ). The metabolites of sulfate assimilation and metabolism have important effects on plant growth, development, environmental response, resistance to biological and abiotic stress, crop quality and yield ( Zhao et al, 1999 ; Hell et al, 2010 ; Gironde et al, 2014 ). Recent studies have suggested that sulfur containing compounds may also play a role in regulation of stomatal movement.…”

Section: Introductionmentioning

confidence: 99%

Sulfur Compounds in Regulation of Stomatal Movement

et al. 2022

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Sulfur, widely present in the soil and atmosphere, is one of the essential elements for plants. Sulfate is a dominant form of sulfur in soils taken up by plant roots. In addition to the assimilation into sulfur compounds essential for plant growth and development, it has been reported recently that sulfate as well as other sulfur containing compounds can also induce stomatal movement. Here, we first summarized the uptake and transport of sulfate and atmospheric sulfur, including H2O and SO2, and then, focused on the effects of inorganic and organic sulfur on stomatal movement. We concluded all the transporters for different sulfur compounds, and compared the expression level of those transporters in guard cells and mesophyll cells. The relationship between abscisic acid and sulfur compounds in regulation of stomatal movement were also discussed.

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Cellular Biology of Sulfur and Its Functions in Plants

Cited by 15 publications

References 258 publications

Thiosulfate stimulates growth and alleviates silver and copper toxicity in tomato root cultures

Thiosulfate stimulates growth and alleviates silver and copper toxicity in tomato root cultures

Increased Phloem Transport of S-Methylmethionine Positively Affects Sulfur and Nitrogen Metabolism and Seed Development in Pea Plants

Sulfur Compounds in Regulation of Stomatal Movement

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