دورية أكاديمية
Sulfur transport and metabolism in legume root nodules
| العنوان: | Sulfur transport and metabolism in legume root nodules |
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| المؤلفون: | Becana Ausejo, Manuel, Wienkoop, Stefanie, Matamoros Galindo, Manuel Ángel |
| المساهمون: | Ministerio de Economía y Competitividad (España), European Commission, Austrian Science Fund, Becana Ausejo, Manuel, Wienkoop, Stefanie, Matamoros Galindo, Manuel Ángel |
| بيانات النشر: | Frontiers Media |
| سنة النشر: | 2018 |
| المجموعة: | Digital.CSIC (Consejo Superior de Investigaciones Científicas / Spanish National Research Council) |
| مصطلحات موضوعية: | Bacteroids1, Cysteine, (homo)glutathione, legume nodules, sulfur metabolism, symbiosis |
| الوصف: | 10 Pags.- 2 Figs.- 1 Tabl. Copyright © 2018 Becana, Wienkoop and Matamoros. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms. ; Sulfur is an essential nutrient in plants as a constituent element of some amino acids, metal cofactors, coenzymes, and secondary metabolites. Not surprisingly, sulfur deficiency decreases plant growth, photosynthesis, and seed yield in both legumes and non-legumes. In nodulated legumes, sulfur supply is positively linked to symbiotic nitrogen fixation (SNF) and sulfur starvation causes three additional major effects: decrease of nodulation, inhibition of SNF, and slowing down of nodule metabolism. These effects are due, at least in part, to the impairment of nitrogenase biosynthesis and activity, the accumulation of nitrogen-rich amino acids, and the decline in leghemoglobin, ferredoxin, ATP, and glucose in nodules. During the last decade, some major advances have been made about the uptake and metabolism of sulfur in nodules. These include the identification of the sulfate transporter SST1 in the symbiosomal membrane, the finding that glutathione produced in the bacteroids and host cells is essential for nodule activity, and the demonstration that sulfur assimilation in the whole plant is reprogrammed during symbiosis. However, many crucial questions still remain and some examples follow. In the first place, it is of paramount importance to elucidate the mechanism by which sulfur deficiency limits SNF. It is unknown why homoglutahione replaces glutathione as a major water-soluble antioxidant, redox buffer, and sulfur reservoir, among other relevant functions, only in certain legumes and also ... |
| نوع الوثيقة: | article in journal/newspaper |
| اللغة: | English |
| تدمد: | 1664-462X |
| العلاقة: | Publisher's version; https://dx.doi.org/10.3389%2Ffpls.2018.01434Test; Sí; Becana M, Wienkoop S, Matamoros MA. Sulfur transport and metabolism in legume root nodules. Frontiers in Plant Science 9: 1434 (2018); http://hdl.handle.net/10261/172734Test; http://dx.doi.org/10.13039/501100000780Test; http://dx.doi.org/10.13039/501100002428Test; http://dx.doi.org/10.13039/501100003329Test |
| DOI: | 10.13039/501100000780 |
| DOI: | 10.13039/501100002428 |
| DOI: | 10.13039/501100003329 |
| الإتاحة: | https://doi.org/10.13039/501100000780Test https://doi.org/10.13039/501100002428Test https://doi.org/10.13039/501100003329Test http://hdl.handle.net/10261/172734Test |
| حقوق: | open |
| رقم الانضمام: | edsbas.2902FABF |
| قاعدة البيانات: | BASE |
Full Text Finder | تدمد: | 1664462X |
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| DOI: | 10.13039/501100000780 |