ATP-sulfurylase, sulfur-compounds and plant stress tolerance
Sulfur (S) stands fourth in the list of major plant nutrients after N, P and K. Sulfate (SO42-), a form of soil-S taken up by plant roots is metabolically inert. As the first committed step of S-assimilation, ATP-sulfurylase (ATP-S) catalyzes SO42--activation and yields activated high-energy compoun...
| Main Authors: | , , , , , , , |
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| Format: | Article |
| Language: | English |
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Frontiers Media S.A.
2015-04-01
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| Series: | Frontiers in Plant Science |
| Subjects: | |
| Online Access: | http://journal.frontiersin.org/Journal/10.3389/fpls.2015.00210/full |
| _version_ | 1811333517529841664 |
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| author | Naser A. Anjum Ritu eGill Manjeri eKaushik Mirza eHasanuzzaman Eduarda ePereira Iqbal eAhmad Iqbal eAhmad Narendra eTuteja Sarvajeet Singh Gill |
| author_facet | Naser A. Anjum Ritu eGill Manjeri eKaushik Mirza eHasanuzzaman Eduarda ePereira Iqbal eAhmad Iqbal eAhmad Narendra eTuteja Sarvajeet Singh Gill |
| author_sort | Naser A. Anjum |
| collection | DOAJ |
| description | Sulfur (S) stands fourth in the list of major plant nutrients after N, P and K. Sulfate (SO42-), a form of soil-S taken up by plant roots is metabolically inert. As the first committed step of S-assimilation, ATP-sulfurylase (ATP-S) catalyzes SO42--activation and yields activated high-energy compound adenosine-5′-phosphosulfate (APS) that is reduced to sulfide (S2-) and incorporated into cysteine (Cys). In turn, Cys acts as a precursor or donor of reduced S for a range of S-compounds such as methionine (Met), glutathione (GSH), homo-GSH (h-GSH) and phytochelatins (PCs). Among S-compounds, GSH, h-GSH and PCs are known for their involvement in plant tolerance to varied abiotic stresses, Cys is a major component of GSH, h-GSH and PCs; whereas, several key stress-metabolites such as ethylene, are controlled by Met through its first metabolite S-adenosylmethionine. With the major aim of briefly highlighting S-compound-mediated role of ATP-S in plant stress tolerance, this paper: (a) overviews ATP-S structure/chemistry and occurrence, (b) appraises recent literature available on ATP-S roles and regulations, and underlying mechanisms in plant abiotic and biotic stress tolerance, (c) summarizes ATP-S-intrinsic regulation by major S-compounds, and (d) highlights major open-questions in the present context. Future research in the current direction can be devised based on the outcomes of the discussion. |
| first_indexed | 2024-04-13T16:52:50Z |
| format | Article |
| id | doaj.art-482d9f28dc1e482ea4f508439ee13318 |
| institution | Directory Open Access Journal |
| issn | 1664-462X |
| language | English |
| last_indexed | 2024-04-13T16:52:50Z |
| publishDate | 2015-04-01 |
| publisher | Frontiers Media S.A. |
| record_format | Article |
| series | Frontiers in Plant Science |
| spelling | doaj.art-482d9f28dc1e482ea4f508439ee133182022-12-22T02:38:53ZengFrontiers Media S.A.Frontiers in Plant Science1664-462X2015-04-01610.3389/fpls.2015.00210125388ATP-sulfurylase, sulfur-compounds and plant stress toleranceNaser A. Anjum0Ritu eGill1Manjeri eKaushik2Mirza eHasanuzzaman3Eduarda ePereira4Iqbal eAhmad5Iqbal eAhmad6Narendra eTuteja7Sarvajeet Singh Gill8University of AveiroMaharshi Dayanand UniversityMaharshi Dayanand UniversitySher-e-Bangla Agricultural UniversityUniversity of AveiroUniversity of AveiroUniversity of AveiroInternational Centre for Genetic Engineering and Biotechnology (ICGEB)Maharshi Dayanand UniversitySulfur (S) stands fourth in the list of major plant nutrients after N, P and K. Sulfate (SO42-), a form of soil-S taken up by plant roots is metabolically inert. As the first committed step of S-assimilation, ATP-sulfurylase (ATP-S) catalyzes SO42--activation and yields activated high-energy compound adenosine-5′-phosphosulfate (APS) that is reduced to sulfide (S2-) and incorporated into cysteine (Cys). In turn, Cys acts as a precursor or donor of reduced S for a range of S-compounds such as methionine (Met), glutathione (GSH), homo-GSH (h-GSH) and phytochelatins (PCs). Among S-compounds, GSH, h-GSH and PCs are known for their involvement in plant tolerance to varied abiotic stresses, Cys is a major component of GSH, h-GSH and PCs; whereas, several key stress-metabolites such as ethylene, are controlled by Met through its first metabolite S-adenosylmethionine. With the major aim of briefly highlighting S-compound-mediated role of ATP-S in plant stress tolerance, this paper: (a) overviews ATP-S structure/chemistry and occurrence, (b) appraises recent literature available on ATP-S roles and regulations, and underlying mechanisms in plant abiotic and biotic stress tolerance, (c) summarizes ATP-S-intrinsic regulation by major S-compounds, and (d) highlights major open-questions in the present context. Future research in the current direction can be devised based on the outcomes of the discussion.http://journal.frontiersin.org/Journal/10.3389/fpls.2015.00210/fullStress Tolerancesulfur assimilationATP-sulfurylaseorganic S-compoundsBiotic/abiotic stresses |
| spellingShingle | Naser A. Anjum Ritu eGill Manjeri eKaushik Mirza eHasanuzzaman Eduarda ePereira Iqbal eAhmad Iqbal eAhmad Narendra eTuteja Sarvajeet Singh Gill ATP-sulfurylase, sulfur-compounds and plant stress tolerance Frontiers in Plant Science Stress Tolerance sulfur assimilation ATP-sulfurylase organic S-compounds Biotic/abiotic stresses |
| title | ATP-sulfurylase, sulfur-compounds and plant stress tolerance |
| title_full | ATP-sulfurylase, sulfur-compounds and plant stress tolerance |
| title_fullStr | ATP-sulfurylase, sulfur-compounds and plant stress tolerance |
| title_full_unstemmed | ATP-sulfurylase, sulfur-compounds and plant stress tolerance |
| title_short | ATP-sulfurylase, sulfur-compounds and plant stress tolerance |
| title_sort | atp sulfurylase sulfur compounds and plant stress tolerance |
| topic | Stress Tolerance sulfur assimilation ATP-sulfurylase organic S-compounds Biotic/abiotic stresses |
| url | http://journal.frontiersin.org/Journal/10.3389/fpls.2015.00210/full |
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