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Dai X, Wang Y, Zhang WH. OsWRKY74, a WRKY transcription factor, modulates tolerance to phosphate starvation in rice. JOURNAL OF EXPERIMENTAL BOTANY 2016; 67:947-60. [PMID: 26663563 PMCID: PMC4737085 DOI: 10.1093/jxb/erv515] [Citation(s) in RCA: 150] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
The WRKY transcription factor family has 109 members in the rice genome, and has been reported to be involved in the regulation of biotic and abiotic stress in plants. Here, we demonstrated that a rice OsWRKY74 belonging to group III of the WRKY transcription factor family was involved in tolerance to phosphate (Pi) starvation. OsWRKY74 was localized in the nucleus and mainly expressed in roots and leaves. Overexpression of OsWRKY74 significantly enhanced tolerance to Pi starvation, whereas transgenic lines with down-regulation of OsWRKY74 were sensitive to Pi starvation. Root and shoot biomass, and phosphorus (P) concentration in rice OsWRKY74-overexpressing plants were ~16% higher than those of wild-type (WT) plants in Pi-deficient hydroponic solution. In soil pot experiments, >24% increases in tiller number, grain weight and P concentration were observed in rice OsWRKY74-overexpressing plants compared to WT plants when grown in P-deficient medium. Furthermore, Pi starvation-induced changes in root system architecture were more profound in OsWRKY74-overexpressing plants than in WT plants. Expression patterns of a number of Pi-responsive genes were altered in the OsWRKY74-overexpressing and RNA interference lines. In addition, OsWRKY74 may also be involved in the response to deficiencies in iron (Fe) and nitrogen (N) as well as cold stress in rice. In Pi-deficient conditions, OsWRKY74-overexpressing plants exhibited greater accumulation of Fe and up-regulation of the cold-responsive genes than WT plants. These findings highlight the role of OsWRKY74 in modulation of Pi homeostasis and potential crosstalk between P starvation and Fe starvation, and cold stress in rice.
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Affiliation(s)
- Xiaoyan Dai
- State Key Laboratory of Vegetation and Environmental Change, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China
| | - Yuanyuan Wang
- State Key Laboratory of Vegetation and Environmental Change, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China
| | - Wen-Hao Zhang
- State Key Laboratory of Vegetation and Environmental Change, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China
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Saenchai C, Bouain N, Kisko M, Prom-u-thai C, Doumas P, Rouached H. The Involvement of OsPHO1;1 in the Regulation of Iron Transport Through Integration of Phosphate and Zinc Deficiency Signaling. FRONTIERS IN PLANT SCIENCE 2016; 7:396. [PMID: 27092147 PMCID: PMC4821852 DOI: 10.3389/fpls.2016.00396] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2016] [Accepted: 03/14/2016] [Indexed: 05/20/2023]
Abstract
Plants survival depends on their ability to cope with multiple nutrient stresses that often occur simultaneously, such as the limited availability of essential elements inorganic phosphate (Pi), zinc (Zn), and iron (Fe). Previous research has provided information on the genes involved in efforts by plants to maintain homeostasis when a single nutrient (Pi, Zn, or Fe) is depleted. Recent findings on nutritional stress suggest that plant growth capacity is influenced by a complex tripartite interaction between Pi, Zn, and Fe homeostasis. However, despite its importance, how plants integrate multiple nutritional stimuli into complex developmental programs, and which genes are involved in this tripartite (Pi ZnFe) interaction is still not clear. The aim of this study was to examine the physiological and molecular responses of rice (Oriza sativa L.) to a combination of Pi, Zn, and/or Fe deficiency stress conditions. Results showed that Fe deficiency had the most drastic single-nutrient effect on biomass, while the Zn deficiency-effect depended on the presence of Pi in the medium. Interestingly, the observed negative effect of Fe starvation was alleviated by concomitant Pi or PiZn depletion. Members of the OsPHO1 family showed a differential transcriptional regulation in response PiZnFe combinatory stress conditions. Particularly, the transcripts of the OsPHO1;1 sense and its natural antisense cis-NatPHO1;1 showed the highest accumulation under PiZn deficiency. In this condition, the Ospho1;1 mutants showed over-accumulation of Fe in roots compared to wild type plants. These data reveal coordination between pathways involved in Fe transport and PiZn signaling in rice which involves the OsPHO1; 1, and support the hypothesis of a genetic basis for Pi, Zn, and Fe signaling interactions in plants.
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Affiliation(s)
- Chorpet Saenchai
- Biochimie et Physiologie Moléculaire des Plantes Research Unit, Institut National de la Recherche Agronomique – Centre National de la Recherche Scientifique – Montpellier UniversityMontpellier, France
- Agronomy Division, Department of Plant and Soil Sciences, Faculty of Agriculture, Chiang Mai UniversityChiang Mai, Thailand
| | - Nadia Bouain
- Biochimie et Physiologie Moléculaire des Plantes Research Unit, Institut National de la Recherche Agronomique – Centre National de la Recherche Scientifique – Montpellier UniversityMontpellier, France
| | - Mushtak Kisko
- Biochimie et Physiologie Moléculaire des Plantes Research Unit, Institut National de la Recherche Agronomique – Centre National de la Recherche Scientifique – Montpellier UniversityMontpellier, France
| | - Chanakan Prom-u-thai
- Agronomy Division, Department of Plant and Soil Sciences, Faculty of Agriculture, Chiang Mai UniversityChiang Mai, Thailand
| | - Patrick Doumas
- Biochimie et Physiologie Moléculaire des Plantes Research Unit, Institut National de la Recherche Agronomique – Centre National de la Recherche Scientifique – Montpellier UniversityMontpellier, France
| | - Hatem Rouached
- Biochimie et Physiologie Moléculaire des Plantes Research Unit, Institut National de la Recherche Agronomique – Centre National de la Recherche Scientifique – Montpellier UniversityMontpellier, France
- Agronomy Division, Department of Plant and Soil Sciences, Faculty of Agriculture, Chiang Mai UniversityChiang Mai, Thailand
- *Correspondence: Hatem Rouached,
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Sun L, Song L, Zhang Y, Zheng Z, Liu D. Arabidopsis PHL2 and PHR1 Act Redundantly as the Key Components of the Central Regulatory System Controlling Transcriptional Responses to Phosphate Starvation. PLANT PHYSIOLOGY 2016; 170:499-514. [PMID: 26586833 PMCID: PMC4704584 DOI: 10.1104/pp.15.01336] [Citation(s) in RCA: 121] [Impact Index Per Article: 15.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2015] [Accepted: 11/17/2015] [Indexed: 05/22/2023]
Abstract
When confronted with inorganic phosphate (Pi) starvation, plants activate an array of adaptive responses to sustain their growth. These responses, in a large extent, are controlled at the transcriptional level. Arabidopsis (Arabidopsis thaliana) PHOSPHATE RESPONSE1 (PHR1) and its close homolog PHR1-like 1 (PHL1) belong to a 15-member family of MYB-CC transcription factors and are regarded as the key components of the central regulatory system controlling plant transcriptional responses to Pi starvation. The knockout of PHR1 and PHL1, however, causes only a partial loss of the transcription of Pi starvation-induced genes, suggesting the existence of other key components in this regulatory system. In this work, we used the transcription of a Pi starvation-induced acid phosphatase, AtPAP10, to study the molecular mechanism underlying plant transcriptional responses to Pi starvation. We first identified a DNA sequence on the AtPAP10 promoter that is critical for the transcription of AtPAP10. We then demonstrated that PHL2 and PHL3, two other members of the MYB-CC family, specifically bind to this DNA sequence and activate the transcription of AtPAP10. Unlike PHR1 and PHL1, the transcription and protein accumulation of PHL2 and PHL3 are upregulated by Pi starvation. RNA-sequencing analyses indicated that the transcription of most Pi starvation-induced genes is impaired in the phl2 mutant, indicating that PHL2 is also a key component of the central regulatory system. Finally, we showed that PHL2, and perhaps also PHL3, acts redundantly with PHR1 to regulate plant transcriptional response to Pi starvation.
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Affiliation(s)
- Lichao Sun
- MOE Key Laboratory of Bioinformatics, Center for Plant Biology, School of Life Sciences, Tsinghua University, Beijing 100084, China
| | - Li Song
- MOE Key Laboratory of Bioinformatics, Center for Plant Biology, School of Life Sciences, Tsinghua University, Beijing 100084, China
| | - Ye Zhang
- MOE Key Laboratory of Bioinformatics, Center for Plant Biology, School of Life Sciences, Tsinghua University, Beijing 100084, China
| | - Zai Zheng
- MOE Key Laboratory of Bioinformatics, Center for Plant Biology, School of Life Sciences, Tsinghua University, Beijing 100084, China
| | - Dong Liu
- MOE Key Laboratory of Bioinformatics, Center for Plant Biology, School of Life Sciences, Tsinghua University, Beijing 100084, China
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Bonnot C, Pinson B, Clément M, Bernillon S, Chiarenza S, Kanno S, Kobayashi N, Delannoy E, Nakanishi TM, Nussaume L, Desnos T. A chemical genetic strategy identify the PHOSTIN, a synthetic molecule that triggers phosphate starvation responses in Arabidopsis thaliana. THE NEW PHYTOLOGIST 2016; 209:161-76. [PMID: 26243630 PMCID: PMC4737292 DOI: 10.1111/nph.13591] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2015] [Accepted: 07/01/2015] [Indexed: 05/18/2023]
Abstract
Plants display numerous strategies to cope with phosphate (Pi)-deficiency. Despite multiple genetic studies, the molecular mechanisms of low-Pi-signalling remain unknown. To validate the interest of chemical genetics to investigate this pathway we discovered and analysed the effects of PHOSTIN (PSN), a drug mimicking Pi-starvation in Arabidopsis. We assessed the effects of PSN and structural analogues on the induction of Pi-deficiency responses in mutants and wild-type and followed their accumulation in plants organs by high pressure liquid chromotography (HPLC) or mass-spectrophotometry. We show that PSN is cleaved in the growth medium, releasing its active motif (PSN11), which accumulates in plants roots. Despite the overaccumulation of Pi in the roots of treated plants, PSN11 elicits both local and systemic Pi-starvation effects. Nevertheless, albeit that the transcriptional activation of low-Pi genes by PSN11 is lost in the phr1;phl1 double mutant, neither PHO1 nor PHO2 are required for PSN11 effects. The range of local and systemic responses to Pi-starvation elicited, and their dependence on the PHR1/PHL1 function suggests that PSN11 affects an important and early step of Pi-starvation signalling. Its independence from PHO1 and PHO2 suggest the existence of unknown pathway(s), showing the usefulness of PSN and chemical genetics to bring new elements to this field.
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Affiliation(s)
- Clémence Bonnot
- CEAInstitut de Biologie Environnementale et de Biotechnologie, Laboratoire de Biologie du Développement des PlantesSaint‐Paul‐lez‐DuranceF‐13108France
- CNRSUnité Mixte de Recherche 7265 Biologie Végétale & Microbiologie EnvironnementaleSaint‐Paul‐lez‐DuranceF‐13108France
- Aix‐Marseille UniversitéSaint‐Paul‐lez‐DuranceF‐13108France
| | - Benoît Pinson
- CNRSUnité Mixte de Recherche 5095 Institut de Biochimie et Génétique CellulairesBordeauxF‐33077 CedexFrance
- Université Bordeaux 2 Victor SegalenBordeauxF‐33000France
| | - Mathilde Clément
- CEAInstitut de Biologie Environnementale et de Biotechnologie, Laboratoire de Biologie du Développement des PlantesSaint‐Paul‐lez‐DuranceF‐13108France
- CNRSUnité Mixte de Recherche 7265 Biologie Végétale & Microbiologie EnvironnementaleSaint‐Paul‐lez‐DuranceF‐13108France
- Aix‐Marseille UniversitéSaint‐Paul‐lez‐DuranceF‐13108France
| | - Stéphane Bernillon
- INRAUnité Mixte de Recherche 1332 Biologie du Fruit et PathologieCentre INRA de BordeauxVillenave d'OrnonF‐33140France
- Metabolome Facility of Bordeaux Functional Genomics CentreIBVMCentre INRA de BordeauxVillenave d'OrnonF‐33140France
| | - Serge Chiarenza
- CEAInstitut de Biologie Environnementale et de Biotechnologie, Laboratoire de Biologie du Développement des PlantesSaint‐Paul‐lez‐DuranceF‐13108France
- CNRSUnité Mixte de Recherche 7265 Biologie Végétale & Microbiologie EnvironnementaleSaint‐Paul‐lez‐DuranceF‐13108France
- Aix‐Marseille UniversitéSaint‐Paul‐lez‐DuranceF‐13108France
| | - Satomi Kanno
- Graduate School of Agricultural and Life Sciencesthe University of Tokyo1‐1‐1, YayoiBunkyo‐kuTokyo113‐8657Japan
| | - Natsuko Kobayashi
- Graduate School of Agricultural and Life Sciencesthe University of Tokyo1‐1‐1, YayoiBunkyo‐kuTokyo113‐8657Japan
| | - Etienne Delannoy
- CEAInstitut de Biologie Environnementale et de Biotechnologie, Laboratoire de Biologie du Développement des PlantesSaint‐Paul‐lez‐DuranceF‐13108France
- CNRSUnité Mixte de Recherche 7265 Biologie Végétale & Microbiologie EnvironnementaleSaint‐Paul‐lez‐DuranceF‐13108France
- Aix‐Marseille UniversitéSaint‐Paul‐lez‐DuranceF‐13108France
| | - Tomoko M. Nakanishi
- Graduate School of Agricultural and Life Sciencesthe University of Tokyo1‐1‐1, YayoiBunkyo‐kuTokyo113‐8657Japan
| | - Laurent Nussaume
- CEAInstitut de Biologie Environnementale et de Biotechnologie, Laboratoire de Biologie du Développement des PlantesSaint‐Paul‐lez‐DuranceF‐13108France
- CNRSUnité Mixte de Recherche 7265 Biologie Végétale & Microbiologie EnvironnementaleSaint‐Paul‐lez‐DuranceF‐13108France
- Aix‐Marseille UniversitéSaint‐Paul‐lez‐DuranceF‐13108France
| | - Thierry Desnos
- CEAInstitut de Biologie Environnementale et de Biotechnologie, Laboratoire de Biologie du Développement des PlantesSaint‐Paul‐lez‐DuranceF‐13108France
- CNRSUnité Mixte de Recherche 7265 Biologie Végétale & Microbiologie EnvironnementaleSaint‐Paul‐lez‐DuranceF‐13108France
- Aix‐Marseille UniversitéSaint‐Paul‐lez‐DuranceF‐13108France
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105
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Li W, Lan P. Genome-wide analysis of overlapping genes regulated by iron deficiency and phosphate starvation reveals new interactions in Arabidopsis roots. BMC Res Notes 2015; 8:555. [PMID: 26459023 PMCID: PMC4604098 DOI: 10.1186/s13104-015-1524-y] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2015] [Accepted: 09/23/2015] [Indexed: 11/28/2022] Open
Abstract
Background Iron (Fe) and phosphorus (P) are essential mineral nutrients in plants. Knowledge regarding global changes in the abundance of Fe-responsive genes under Pi deficiency as well as the processes these genes are involved in remains largely unavailable at the genome level. In the current study, we comparatively analyzed RNA sequencing data sets relative to Fe deficiency (NCBI: SRP044814) and Pi starvation (NCBI: SRA050356.1). Results Analysis showed a total of 579 overlapping genes that are responsible for both Fe deficiency and Pi starvation in Arabidopsis roots. A subset of 137 genes had greater than twofold changes in transcript abundant as a result of the treatments. Gene ontology (GO) analysis showed that the stress-related processes ‘response to salt stress’, ‘response to oxidative stress’, and ‘response to zinc ion’ were enriched in the 579 genes, while Fe response-related processes, including ‘cellular response to nitric oxide’, ‘cellular response to iron ion’, and ‘cellular iron ion homeostasis’, were also enriched in the subset of 137 genes. Co-expression analysis of the 579 genes using the MACCU toolbox yielded a network consisting of 292 nodes (genes). Further analysis revealed that a subset of 90 genes were up-regulated under Fe shortage, but down-regulated under Pi starvation. GO analysis in this group of genes revealed an increased cellular response to iron ion/nitric oxide/ethylene stimuli. Promoter analysis was performed in 35 of the 90 genes with a 1.5-fold or greater change in abundance, showing that 12 genes contained the PHOSPHATE STARVATION RESPONSE1-binding GNATATNC cis-element within their promoter regions. Quantitative real-time PCR showed that the decreased abundance of Fe acquisition genes under Pi deficiency exclusively relied on Fe concentration in Pi-deficient media. Conclusions Comprehensive analysis of the overlapping genes derived from Fe deficiency and Pi starvation provides more information to understand the link between Pi and Fe homeostasis. Gene clustering and root-specific co-expression analysis revealed several potentially important genes which likely function as putative novel players in response to Fe and Pi deficiency or in cross-talk between Fe-deficient responses and Pi-deficient signaling. Electronic supplementary material The online version of this article (doi:10.1186/s13104-015-1524-y) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Wenfeng Li
- Collaborative Innovation Center of Sustainable Forestry in Southern China of Jiangsu Province, College of Biology and the Environment, Nanjing Forestry University, Nanjing, 210037, People's Republic of China. .,State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, 210008, People's Republic of China.
| | - Ping Lan
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, 210008, People's Republic of China.
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Guo M, Ruan W, Li C, Huang F, Zeng M, Liu Y, Yu Y, Ding X, Wu Y, Wu Z, Mao C, Yi K, Wu P, Mo X. Integrative Comparison of the Role of the PHOSPHATE RESPONSE1 Subfamily in Phosphate Signaling and Homeostasis in Rice. PLANT PHYSIOLOGY 2015; 168:1762-76. [PMID: 26082401 PMCID: PMC4528768 DOI: 10.1104/pp.15.00736] [Citation(s) in RCA: 108] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/21/2015] [Accepted: 06/13/2015] [Indexed: 05/18/2023]
Abstract
Phosphorus (P), an essential macronutrient for all living cells, is indispensable for agricultural production. Although Arabidopsis (Arabidopsis thaliana) PHOSPHATE RESPONSE1 (PHR1) and its orthologs in other species have been shown to function in transcriptional regulation of phosphate (Pi) signaling and Pi homeostasis, an integrative comparison of PHR1-related proteins in rice (Oryza sativa) has not previously been reported. Here, we identified functional redundancy among three PHR1 orthologs in rice (OsPHR1, OsPHR2, and OsPHR3) using phylogenetic and mutation analysis. OsPHR3 in conjunction with OsPHR1 and OsPHR2 function in transcriptional activation of most Pi starvation-induced genes. Loss-of-function mutations in any one of these transcription factors (TFs) impaired root hair growth (primarily root hair elongation). However, these three TFs showed differences in DNA binding affinities and messenger RNA expression patterns in different tissues and growth stages, and transcriptomic analysis revealed differential effects on Pi starvation-induced gene expression of single mutants of the three TFs, indicating some degree of functional diversification. Overexpression of genes encoding any of these TFs resulted in partial constitutive activation of Pi starvation response and led to Pi accumulation in the shoot. Furthermore, unlike OsPHR2-overexpressing lines, which exhibited growth retardation under normal or Pi-deficient conditions, OsPHR3-overexpressing plants exhibited significant tolerance to low-Pi stress but normal growth rates under normal Pi conditions, suggesting that OsPHR3 would be useful for molecular breeding to improve Pi uptake/use efficiency under Pi-deficient conditions. We propose that OsPHR1, OsPHR2, and OsPHR3 form a network and play diverse roles in regulating Pi signaling and homeostasis in rice.
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Affiliation(s)
- Meina Guo
- State Key Laboratory of Plant Physiology and Biochemistry, College of Life Sciences, Zhejiang University, Hangzhou 310058, China (M.G., W.R., C.L., F.H., M.Z., Y.L., Y.Y., X.D., Y.W., Z.W., C.M., K.Y., P.W., X.M.); andInstitute of Agricultural Resources and Regional Planning, China Academy of Agricultural Sciences, Beijing 100081, China (W.R., K.Y.)
| | - Wenyuan Ruan
- State Key Laboratory of Plant Physiology and Biochemistry, College of Life Sciences, Zhejiang University, Hangzhou 310058, China (M.G., W.R., C.L., F.H., M.Z., Y.L., Y.Y., X.D., Y.W., Z.W., C.M., K.Y., P.W., X.M.); andInstitute of Agricultural Resources and Regional Planning, China Academy of Agricultural Sciences, Beijing 100081, China (W.R., K.Y.)
| | - Changying Li
- State Key Laboratory of Plant Physiology and Biochemistry, College of Life Sciences, Zhejiang University, Hangzhou 310058, China (M.G., W.R., C.L., F.H., M.Z., Y.L., Y.Y., X.D., Y.W., Z.W., C.M., K.Y., P.W., X.M.); andInstitute of Agricultural Resources and Regional Planning, China Academy of Agricultural Sciences, Beijing 100081, China (W.R., K.Y.)
| | - Fangliang Huang
- State Key Laboratory of Plant Physiology and Biochemistry, College of Life Sciences, Zhejiang University, Hangzhou 310058, China (M.G., W.R., C.L., F.H., M.Z., Y.L., Y.Y., X.D., Y.W., Z.W., C.M., K.Y., P.W., X.M.); andInstitute of Agricultural Resources and Regional Planning, China Academy of Agricultural Sciences, Beijing 100081, China (W.R., K.Y.)
| | - Ming Zeng
- State Key Laboratory of Plant Physiology and Biochemistry, College of Life Sciences, Zhejiang University, Hangzhou 310058, China (M.G., W.R., C.L., F.H., M.Z., Y.L., Y.Y., X.D., Y.W., Z.W., C.M., K.Y., P.W., X.M.); andInstitute of Agricultural Resources and Regional Planning, China Academy of Agricultural Sciences, Beijing 100081, China (W.R., K.Y.)
| | - Yingyao Liu
- State Key Laboratory of Plant Physiology and Biochemistry, College of Life Sciences, Zhejiang University, Hangzhou 310058, China (M.G., W.R., C.L., F.H., M.Z., Y.L., Y.Y., X.D., Y.W., Z.W., C.M., K.Y., P.W., X.M.); andInstitute of Agricultural Resources and Regional Planning, China Academy of Agricultural Sciences, Beijing 100081, China (W.R., K.Y.)
| | - Yanan Yu
- State Key Laboratory of Plant Physiology and Biochemistry, College of Life Sciences, Zhejiang University, Hangzhou 310058, China (M.G., W.R., C.L., F.H., M.Z., Y.L., Y.Y., X.D., Y.W., Z.W., C.M., K.Y., P.W., X.M.); andInstitute of Agricultural Resources and Regional Planning, China Academy of Agricultural Sciences, Beijing 100081, China (W.R., K.Y.)
| | - Xiaomeng Ding
- State Key Laboratory of Plant Physiology and Biochemistry, College of Life Sciences, Zhejiang University, Hangzhou 310058, China (M.G., W.R., C.L., F.H., M.Z., Y.L., Y.Y., X.D., Y.W., Z.W., C.M., K.Y., P.W., X.M.); andInstitute of Agricultural Resources and Regional Planning, China Academy of Agricultural Sciences, Beijing 100081, China (W.R., K.Y.)
| | - Yunrong Wu
- State Key Laboratory of Plant Physiology and Biochemistry, College of Life Sciences, Zhejiang University, Hangzhou 310058, China (M.G., W.R., C.L., F.H., M.Z., Y.L., Y.Y., X.D., Y.W., Z.W., C.M., K.Y., P.W., X.M.); andInstitute of Agricultural Resources and Regional Planning, China Academy of Agricultural Sciences, Beijing 100081, China (W.R., K.Y.)
| | - Zhongchang Wu
- State Key Laboratory of Plant Physiology and Biochemistry, College of Life Sciences, Zhejiang University, Hangzhou 310058, China (M.G., W.R., C.L., F.H., M.Z., Y.L., Y.Y., X.D., Y.W., Z.W., C.M., K.Y., P.W., X.M.); andInstitute of Agricultural Resources and Regional Planning, China Academy of Agricultural Sciences, Beijing 100081, China (W.R., K.Y.)
| | - Chuanzao Mao
- State Key Laboratory of Plant Physiology and Biochemistry, College of Life Sciences, Zhejiang University, Hangzhou 310058, China (M.G., W.R., C.L., F.H., M.Z., Y.L., Y.Y., X.D., Y.W., Z.W., C.M., K.Y., P.W., X.M.); andInstitute of Agricultural Resources and Regional Planning, China Academy of Agricultural Sciences, Beijing 100081, China (W.R., K.Y.)
| | - Keke Yi
- State Key Laboratory of Plant Physiology and Biochemistry, College of Life Sciences, Zhejiang University, Hangzhou 310058, China (M.G., W.R., C.L., F.H., M.Z., Y.L., Y.Y., X.D., Y.W., Z.W., C.M., K.Y., P.W., X.M.); andInstitute of Agricultural Resources and Regional Planning, China Academy of Agricultural Sciences, Beijing 100081, China (W.R., K.Y.)
| | - Ping Wu
- State Key Laboratory of Plant Physiology and Biochemistry, College of Life Sciences, Zhejiang University, Hangzhou 310058, China (M.G., W.R., C.L., F.H., M.Z., Y.L., Y.Y., X.D., Y.W., Z.W., C.M., K.Y., P.W., X.M.); andInstitute of Agricultural Resources and Regional Planning, China Academy of Agricultural Sciences, Beijing 100081, China (W.R., K.Y.)
| | - Xiaorong Mo
- State Key Laboratory of Plant Physiology and Biochemistry, College of Life Sciences, Zhejiang University, Hangzhou 310058, China (M.G., W.R., C.L., F.H., M.Z., Y.L., Y.Y., X.D., Y.W., Z.W., C.M., K.Y., P.W., X.M.); andInstitute of Agricultural Resources and Regional Planning, China Academy of Agricultural Sciences, Beijing 100081, China (W.R., K.Y.)
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van Breda F, Emans ME, van der Putten K, Braam B, van Ittersum FJ, Kraaijenhagen RJ, de Borst MH, Vervloet M, Gaillard CAJM. Relation between Red Cell Distribution Width and Fibroblast Growth Factor 23 Cleaving in Patients with Chronic Kidney Disease and Heart Failure. PLoS One 2015; 10:e0128994. [PMID: 26079688 PMCID: PMC4469605 DOI: 10.1371/journal.pone.0128994] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2014] [Accepted: 05/04/2015] [Indexed: 12/19/2022] Open
Abstract
OBJECTIVE In chronic kidney disease (CKD), both anemia and deregulated phosphate metabolism are common and predictive of adverse outcome. Previous studies suggest that iron status influences phosphate metabolism by modulating proteolytic cleavage of FGF23 into C-terminal fragments. Red cell distribution width (RDW) was recently identified as a strong prognostic determinant for cardiovascular morbidity and mortality, independently of iron status. We assessed whether RDW is associated with FGF23 cleaving in CKD patients with heart failure. MATERIALS AND METHODS The associations between RDW and either intact FGF23 (iFGF23), C-terminal FGF23 (cFGF23, reflecting iFGF23 and C-terminal fragments together) and the iFGF23/cFGF23 ratio were analyzed in 52 patients with CKD (eGFR 34,9 ± 13.9 ml/min/1.73m2) and chronic heart failure (CHF). Associations between RDW and FGF23 forms were studied by linear regression analysis adjusted for parameters of renal function, iron metabolism, phosphate metabolism and inflammation. RESULTS Median cFGF23 levels were 197.5 [110-408.5] RU/ml, median iFGF23 levels were 107.3 [65.1-162.2] pg/ml and median FGF23 ratio was 0.80 [0.37-0.86]. Mean RDW was 14.1 ± 1.2%. cFGF23 and RDW were associated (β = 1.63 x 10(-3), P < 0.001), whereas iFGF23 and RDW were not (β = -1.38 x 10(-3), P = 0.336). The iFGF23/cFGF23 ratio was inversely associated with RDW. The difference between cFGF23 and iFGF23 (cFGF23- iFGF23) was positively associated with RDW (β = 1.74 x 10(-3), P < 0.001). The association between cFGF23 and RDW persisted upon multivariable linear regression analysis, adjusted for parameters of renal function, phosphate metabolism, iron metabolism and inflammation (β = 0.97 x 10(-3), P = 0.047). CONCLUSION RDW is associated with cFGF23 but not with iFGF23 levels in patients with CKD and CHF. This suggests a connection between RDW and FGF23 catabolism, independent of iron status and inflammation. Future studies are needed to unravel underlying mechanisms and whether these pertain to the link between RDW and outcome.
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Affiliation(s)
- Fenna van Breda
- Department of Nephrology and ICaR-VU, VUMC, Amsterdam, the Netherlands
- * E-mail:
| | - Mireille E. Emans
- Department of Cardiology, Ikazia Hospital, Rotterdam, the Netherlands
| | | | - Branko Braam
- Department of Medicine, division of Nephrology and Immunology, University of Alberta, Edmonton, Canada
| | | | - Rob J. Kraaijenhagen
- Department of Clinical Chemistry, Meander Medical Center, Amersfoort, the Netherlands
| | | | - Marc Vervloet
- Department of Nephrology and ICaR-VU, VUMC, Amsterdam, the Netherlands
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Baker A, Ceasar SA, Palmer AJ, Paterson JB, Qi W, Muench SP, Baldwin SA. Replace, reuse, recycle: improving the sustainable use of phosphorus by plants. JOURNAL OF EXPERIMENTAL BOTANY 2015; 66:3523-40. [PMID: 25944926 DOI: 10.1093/jxb/erv210] [Citation(s) in RCA: 79] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
The 'phosphorus problem' has recently received strong interest with two distinct strands of importance. The first is that too much phosphorus (P) is entering into waste water, creating a significant economic and ecological problem. Secondly, while agricultural demand for phosphate fertilizer is increasing to maintain crop yields, rock phosphate reserves are rapidly declining. Unravelling the mechanisms by which plants sense, respond to, and acquire phosphate can address both problems, allowing the development of crop plants that are more efficient at acquiring and using limited amounts of phosphate while at the same time improving the potential of plants and other photosynthetic organisms for nutrient recapture and recycling from waste water. In this review, we attempt to synthesize these important but often disparate parts of the debate in a holistic fashion, since solutions to such a complex problem require integrated and multidisciplinary approaches that address both P supply and demand. Rapid progress has been made recently in our understanding of local and systemic signalling mechanisms for phosphate, and of expression and regulation of membrane proteins that take phosphate up from the environment and transport it within the plant. We discuss the current state of understanding of such mechanisms involved in sensing and responding to phosphate stress. We also discuss approaches to improve the P-use efficiency of crop plants and future direction for sustainable use of P, including use of photosynthetic organisms for recapture of P from waste waters.
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Affiliation(s)
- Alison Baker
- Centre for Plant Sciences and School of Molecular and Cellular Biology, Faculty of Biological Sciences, University of Leeds, Leeds LS2 9JT, UK
| | - S Antony Ceasar
- Centre for Plant Sciences and School of Molecular and Cellular Biology, Faculty of Biological Sciences, University of Leeds, Leeds LS2 9JT, UK Division of Plant Biotechnology, Entomology Research Institute, Loyola College, Chennai 600034, India
| | - Antony J Palmer
- Centre for Plant Sciences and School of Molecular and Cellular Biology, Faculty of Biological Sciences, University of Leeds, Leeds LS2 9JT, UK School of Biomedical Sciences, Faculty of Biological Sciences, University of Leeds, Leeds LS2 9JT, UK
| | - Jaimie B Paterson
- Centre for Plant Sciences and School of Molecular and Cellular Biology, Faculty of Biological Sciences, University of Leeds, Leeds LS2 9JT, UK School of Civil Engineering, Faculty of Engineering, University of Leeds, Leeds LS2 9JT, UK
| | - Wanjun Qi
- Centre for Plant Sciences and School of Molecular and Cellular Biology, Faculty of Biological Sciences, University of Leeds, Leeds LS2 9JT, UK School of Biomedical Sciences, Faculty of Biological Sciences, University of Leeds, Leeds LS2 9JT, UK
| | - Stephen P Muench
- School of Biomedical Sciences, Faculty of Biological Sciences, University of Leeds, Leeds LS2 9JT, UK
| | - Stephen A Baldwin
- School of Biomedical Sciences, Faculty of Biological Sciences, University of Leeds, Leeds LS2 9JT, UK
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109
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Park MJ, Jung HS, Kim YJ, Kwon YJ, Lee JK, Park CM. High-sensitivity fluorescence imaging of iron in plant tissues. Chem Commun (Camb) 2015; 50:8547-9. [PMID: 24955440 DOI: 10.1039/c4cc02132k] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Here, we report a method for high-sensitivity fluorescence imaging of iron, which demonstrates the abundance and distribution of iron in plant tissues more precisely than conventional histochemical staining procedures. The fluorescence turn-on method is rapid (<20 min), inexpensive to set up, and expected to be readily applicable to any plant tissues.
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Affiliation(s)
- Mi-Jeong Park
- Department of Chemistry, Seoul National University, Seoul 151-742, Korea.
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110
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Rai V, Sanagala R, Sinilal B, Yadav S, Sarkar AK, Dantu PK, Jain A. Iron Availability Affects Phosphate Deficiency-Mediated Responses, and Evidence of Cross-Talk with Auxin and Zinc in Arabidopsis. ACTA ACUST UNITED AC 2015; 56:1107-23. [DOI: 10.1093/pcp/pcv035] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2014] [Accepted: 02/21/2015] [Indexed: 11/14/2022]
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111
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Reyt G, Boudouf S, Boucherez J, Gaymard F, Briat JF. Iron- and ferritin-dependent reactive oxygen species distribution: impact on Arabidopsis root system architecture. MOLECULAR PLANT 2015; 8:439-53. [PMID: 25624148 DOI: 10.1016/j.molp.2014.11.014] [Citation(s) in RCA: 79] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/03/2014] [Revised: 10/20/2014] [Accepted: 11/02/2014] [Indexed: 05/08/2023]
Abstract
Iron (Fe) homeostasis is integrated with the production of reactive oxygen species (ROS), and distribution at the root tip participates in the control of root growth. Excess Fe increases ferritin abundance, enabling the storage of Fe, which contributes to protection of plants against Fe-induced oxidative stress. AtFer1 and AtFer3 are the two ferritin genes expressed in the meristematic zone, pericycle and endodermis of the Arabidopsis thaliana root, and it is in these regions that we observe Fe stained dots. This staining disappears in the triple fer1-3-4 ferritin mutant. Fe excess decreases primary root length in the same way in wild-type and in fer1-3-4 mutant. In contrast, the Fe-mediated decrease of lateral root (LR) length and density is enhanced in fer1-3-4 plants due to a defect in LR emergence. We observe that this interaction between excess Fe, ferritin, and root system architecture (RSA) is in part mediated by the H2O2/O2·- balance between the root cell proliferation and differentiation zones regulated by the UPB1 transcription factor. Meristem size is also decreased in response to Fe excess in ferritin mutant plants, implicating cell cycle arrest mediated by the ROS-activated SMR5/SMR7 cyclin-dependent kinase inhibitors pathway in the interaction between Fe and RSA.
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Affiliation(s)
- Guilhem Reyt
- Biochimie et Physiologie Moléculaire des Plantes, Centre National de la Recherche Scientifique, Institut National de la Recherche Agronomique, Université Montpellier 2, SupAgro. Bat 7, 2 place Viala, 34060 Montpellier Cedex 1, France
| | - Soukaina Boudouf
- Biochimie et Physiologie Moléculaire des Plantes, Centre National de la Recherche Scientifique, Institut National de la Recherche Agronomique, Université Montpellier 2, SupAgro. Bat 7, 2 place Viala, 34060 Montpellier Cedex 1, France
| | - Jossia Boucherez
- Biochimie et Physiologie Moléculaire des Plantes, Centre National de la Recherche Scientifique, Institut National de la Recherche Agronomique, Université Montpellier 2, SupAgro. Bat 7, 2 place Viala, 34060 Montpellier Cedex 1, France
| | - Frédéric Gaymard
- Biochimie et Physiologie Moléculaire des Plantes, Centre National de la Recherche Scientifique, Institut National de la Recherche Agronomique, Université Montpellier 2, SupAgro. Bat 7, 2 place Viala, 34060 Montpellier Cedex 1, France
| | - Jean-Francois Briat
- Biochimie et Physiologie Moléculaire des Plantes, Centre National de la Recherche Scientifique, Institut National de la Recherche Agronomique, Université Montpellier 2, SupAgro. Bat 7, 2 place Viala, 34060 Montpellier Cedex 1, France.
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112
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Briat JF, Rouached H, Tissot N, Gaymard F, Dubos C. Integration of P, S, Fe, and Zn nutrition signals in Arabidopsis thaliana: potential involvement of PHOSPHATE STARVATION RESPONSE 1 (PHR1). FRONTIERS IN PLANT SCIENCE 2015; 6:290. [PMID: 25972885 PMCID: PMC4411997 DOI: 10.3389/fpls.2015.00290] [Citation(s) in RCA: 126] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2014] [Accepted: 04/09/2015] [Indexed: 05/18/2023]
Abstract
Phosphate and sulfate are essential macro-elements for plant growth and development, and deficiencies in these mineral elements alter many metabolic functions. Nutritional constraints are not restricted to macro-elements. Essential metals such as zinc and iron have their homeostasis strictly genetically controlled, and deficiency or excess of these micro-elements can generate major physiological disorders, also impacting plant growth and development. Phosphate and sulfate on one hand, and zinc and iron on the other hand, are known to interact. These interactions have been partly described at the molecular and physiological levels, and are reviewed here. Furthermore the two macro-elements phosphate and sulfate not only interact between themselves but also influence zinc and iron nutrition. These intricated nutritional cross-talks are presented. The responses of plants to phosphorus, sulfur, zinc, or iron deficiencies have been widely studied considering each element separately, and some molecular actors of these regulations have been characterized in detail. Although some scarce reports have started to examine the interaction of these mineral elements two by two, a more complex analysis of the interactions and cross-talks between the signaling pathways integrating the homeostasis of these various elements is still lacking. However, a MYB-like transcription factor, PHOSPHATE STARVATION RESPONSE 1, emerges as a common regulator of phosphate, sulfate, zinc, and iron homeostasis, and its role as a potential general integrator for the control of mineral nutrition is discussed.
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Affiliation(s)
- Jean-François Briat
- *Correspondence: Jean-François Briat, Biochimie et Physiologie Moléculaire des Plantes, Centre National de la Recherche Scientifique – Institut National de la Recherche Agronomique – Université Montpellier 2, SupAgro, Bat 7, 2 Place Viala, 34060 Montpellier Cedex 1, France
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113
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Péret B, Desnos T, Jost R, Kanno S, Berkowitz O, Nussaume L. Root architecture responses: in search of phosphate. PLANT PHYSIOLOGY 2014; 166:1713-23. [PMID: 25341534 PMCID: PMC4256877 DOI: 10.1104/pp.114.244541] [Citation(s) in RCA: 130] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/11/2014] [Accepted: 10/22/2014] [Indexed: 05/18/2023]
Abstract
Soil phosphate represents the only source of phosphorus for plants and, consequently, is its entry into the trophic chain. This major component of nucleic acids, phospholipids, and energy currency of the cell (ATP) can limit plant growth because of its low mobility in soil. As a result, root responses to low phosphate favor the exploration of the shallower part of the soil, where phosphate tends to be more abundant, a strategy described as topsoil foraging. We will review the diverse developmental strategies that can be observed among plants by detailing the effect of phosphate deficiency on primary and lateral roots. We also discuss the formation of cluster roots: an advanced adaptive strategy to cope with low phosphate availability observed in a limited number of species. Finally, we will put this work into perspective for future research directions.
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Affiliation(s)
- Benjamin Péret
- Centre National de la Recherche Scientifique, Unité Mixte de Recherche Biologie Végétale et Microbiologie Environnementales, F-13108 Saint-Paul-lez-Durance, France (B.P., T.D., L.N.);Commissariat à l'Energie Atomique et aux Energies Alternatives, Institut de Biologie Environnementale et Biotechnologies, Laboratoire de Biologie du Développement des Plantes, F-13108 Saint-Paul-lez-Durance, France (B.P., T.D., L.N.);Faculté des Sciences de Luminy, Aix-Marseille Université, F-13108 Saint-Paul-lez-Durance, France (B.P., T.D., L.N.);School of Plant Biology M084 (R.J., O.B.) andAustralian Research Council Centre of Excellence in Plant Energy Biology (O.B.), University of Western Australia, Crawley, Western Australia 6009, Australia; andDevelopment of Biology, Graduate School of Science, Kobe University, Kobe 657-8501, Japan (S.K.)
| | - Thierry Desnos
- Centre National de la Recherche Scientifique, Unité Mixte de Recherche Biologie Végétale et Microbiologie Environnementales, F-13108 Saint-Paul-lez-Durance, France (B.P., T.D., L.N.);Commissariat à l'Energie Atomique et aux Energies Alternatives, Institut de Biologie Environnementale et Biotechnologies, Laboratoire de Biologie du Développement des Plantes, F-13108 Saint-Paul-lez-Durance, France (B.P., T.D., L.N.);Faculté des Sciences de Luminy, Aix-Marseille Université, F-13108 Saint-Paul-lez-Durance, France (B.P., T.D., L.N.);School of Plant Biology M084 (R.J., O.B.) andAustralian Research Council Centre of Excellence in Plant Energy Biology (O.B.), University of Western Australia, Crawley, Western Australia 6009, Australia; andDevelopment of Biology, Graduate School of Science, Kobe University, Kobe 657-8501, Japan (S.K.)
| | - Ricarda Jost
- Centre National de la Recherche Scientifique, Unité Mixte de Recherche Biologie Végétale et Microbiologie Environnementales, F-13108 Saint-Paul-lez-Durance, France (B.P., T.D., L.N.);Commissariat à l'Energie Atomique et aux Energies Alternatives, Institut de Biologie Environnementale et Biotechnologies, Laboratoire de Biologie du Développement des Plantes, F-13108 Saint-Paul-lez-Durance, France (B.P., T.D., L.N.);Faculté des Sciences de Luminy, Aix-Marseille Université, F-13108 Saint-Paul-lez-Durance, France (B.P., T.D., L.N.);School of Plant Biology M084 (R.J., O.B.) andAustralian Research Council Centre of Excellence in Plant Energy Biology (O.B.), University of Western Australia, Crawley, Western Australia 6009, Australia; andDevelopment of Biology, Graduate School of Science, Kobe University, Kobe 657-8501, Japan (S.K.)
| | - Satomi Kanno
- Centre National de la Recherche Scientifique, Unité Mixte de Recherche Biologie Végétale et Microbiologie Environnementales, F-13108 Saint-Paul-lez-Durance, France (B.P., T.D., L.N.);Commissariat à l'Energie Atomique et aux Energies Alternatives, Institut de Biologie Environnementale et Biotechnologies, Laboratoire de Biologie du Développement des Plantes, F-13108 Saint-Paul-lez-Durance, France (B.P., T.D., L.N.);Faculté des Sciences de Luminy, Aix-Marseille Université, F-13108 Saint-Paul-lez-Durance, France (B.P., T.D., L.N.);School of Plant Biology M084 (R.J., O.B.) andAustralian Research Council Centre of Excellence in Plant Energy Biology (O.B.), University of Western Australia, Crawley, Western Australia 6009, Australia; andDevelopment of Biology, Graduate School of Science, Kobe University, Kobe 657-8501, Japan (S.K.)
| | - Oliver Berkowitz
- Centre National de la Recherche Scientifique, Unité Mixte de Recherche Biologie Végétale et Microbiologie Environnementales, F-13108 Saint-Paul-lez-Durance, France (B.P., T.D., L.N.);Commissariat à l'Energie Atomique et aux Energies Alternatives, Institut de Biologie Environnementale et Biotechnologies, Laboratoire de Biologie du Développement des Plantes, F-13108 Saint-Paul-lez-Durance, France (B.P., T.D., L.N.);Faculté des Sciences de Luminy, Aix-Marseille Université, F-13108 Saint-Paul-lez-Durance, France (B.P., T.D., L.N.);School of Plant Biology M084 (R.J., O.B.) andAustralian Research Council Centre of Excellence in Plant Energy Biology (O.B.), University of Western Australia, Crawley, Western Australia 6009, Australia; andDevelopment of Biology, Graduate School of Science, Kobe University, Kobe 657-8501, Japan (S.K.)
| | - Laurent Nussaume
- Centre National de la Recherche Scientifique, Unité Mixte de Recherche Biologie Végétale et Microbiologie Environnementales, F-13108 Saint-Paul-lez-Durance, France (B.P., T.D., L.N.);Commissariat à l'Energie Atomique et aux Energies Alternatives, Institut de Biologie Environnementale et Biotechnologies, Laboratoire de Biologie du Développement des Plantes, F-13108 Saint-Paul-lez-Durance, France (B.P., T.D., L.N.);Faculté des Sciences de Luminy, Aix-Marseille Université, F-13108 Saint-Paul-lez-Durance, France (B.P., T.D., L.N.);School of Plant Biology M084 (R.J., O.B.) andAustralian Research Council Centre of Excellence in Plant Energy Biology (O.B.), University of Western Australia, Crawley, Western Australia 6009, Australia; andDevelopment of Biology, Graduate School of Science, Kobe University, Kobe 657-8501, Japan (S.K.)
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114
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Arnaud C, Clément M, Thibaud MC, Javot H, Chiarenza S, Delannoy E, Revol J, Soreau P, Balzergue S, Block MA, Maréchal E, Desnos T, Nussaume L. Identification of phosphatin, a drug alleviating phosphate starvation responses in Arabidopsis. PLANT PHYSIOLOGY 2014; 166:1479-91. [PMID: 25209983 PMCID: PMC4226385 DOI: 10.1104/pp.114.248112] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Inorganic phosphate (Pi) is present in most soils at suboptimal concentrations, strongly limiting plant development. Plants have the ability to sense and adapt to the surrounding ionic environment, and several genes involved in the response to Pi starvation have been identified. However, a global understanding of the regulatory mechanisms involved in this process is still elusive. Here, we have initiated a chemical genetics approach and isolated compounds that inhibit the response to Pi starvation in Arabidopsis (Arabidopsis thaliana). Molecules were screened for their ability to inhibit the expression of a Pi starvation marker gene (the high-affinity Pi transporter PHT1;4). A drug family named Phosphatin (PTN; Pi starvation inhibitor), whose members act as partial suppressors of Pi starvation responses, was thus identified. PTN addition also reduced various traits of Pi starvation, such as phospholipid/glycolipid conversion, and the accumulation of starch and anthocyanins. A transcriptomic assay revealed a broad impact of PTN on the expression of many genes regulated by low Pi availability. Despite the reduced amount of Pi transporters and resulting reduced Pi uptake capacity, no reduction of Pi content was observed. In addition, PTN improved plant growth; this reveals that the developmental restrictions induced by Pi starvation are not a consequence of metabolic limitation but a result of genetic regulation. This highlights the existence of signal transduction pathway(s) that limit plant development under the Pi starvation condition.
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Affiliation(s)
- Carole Arnaud
- Aix-Marseille Université, F-13108 Saint-Paul-lez-Durance, France (C.A., M.C., M.-C.T., H.J., S.C., J.R., P.S., T.D., L.N.);Centre National de la Recherche Scientifique, Unité Mixte de Recherche 7265 Biologie Végétale and Microbiologie Environnementale, F-13108 Saint-Paul-lez-Durance, France (C.A., M.C., M.-C.T., H.J., S.C., J.R., P.S., T.D., L.N.);Commissariat à l'Energie Atomique et aux Energies Alternatives, Institut de Biologie Environnementale et de Biotechnologie, Laboratoire de Biologie du Développement des Plantes, F-13108 Saint-Paul-lez-Durance, France (C.A., M.C., M.-C.T., H.J., S.C., J.R., T.D., L.N.);Unité Mixte de Recherche Institut National de Recherche Agronomique 1165 Centre National de la Recherche Scientifique 8114, Recherche en Génomique Végétale, Université Evry Val d'Essonne, 91057 Evry cedex, France (E.D., S.B.);Commissariat à l'Energie Atomique et aux Energies Alternatives, Institut de Biologie Environnementale et de Biotechnologie, Groupe de Recherche Appliquée à la Phytotechnologie, F-13108 Saint-Paul-lez-Durance, France (P.S.); andUnité Mixte de Recherche 5168 Centre National de la Recherche Scientifique, Commissariat à l'Energie Atomique et aux Energies Alternatives, Institut National de Recherche Agronomique, Grenoble Université, Institut de Recherches en Technologies et Sciences pour le Vivant, Commissariat à l'Energie Atomique-Grenoble, 38054 Grenoble, France (M.A.B., E.M.)
| | - Mathilde Clément
- Aix-Marseille Université, F-13108 Saint-Paul-lez-Durance, France (C.A., M.C., M.-C.T., H.J., S.C., J.R., P.S., T.D., L.N.);Centre National de la Recherche Scientifique, Unité Mixte de Recherche 7265 Biologie Végétale and Microbiologie Environnementale, F-13108 Saint-Paul-lez-Durance, France (C.A., M.C., M.-C.T., H.J., S.C., J.R., P.S., T.D., L.N.);Commissariat à l'Energie Atomique et aux Energies Alternatives, Institut de Biologie Environnementale et de Biotechnologie, Laboratoire de Biologie du Développement des Plantes, F-13108 Saint-Paul-lez-Durance, France (C.A., M.C., M.-C.T., H.J., S.C., J.R., T.D., L.N.);Unité Mixte de Recherche Institut National de Recherche Agronomique 1165 Centre National de la Recherche Scientifique 8114, Recherche en Génomique Végétale, Université Evry Val d'Essonne, 91057 Evry cedex, France (E.D., S.B.);Commissariat à l'Energie Atomique et aux Energies Alternatives, Institut de Biologie Environnementale et de Biotechnologie, Groupe de Recherche Appliquée à la Phytotechnologie, F-13108 Saint-Paul-lez-Durance, France (P.S.); andUnité Mixte de Recherche 5168 Centre National de la Recherche Scientifique, Commissariat à l'Energie Atomique et aux Energies Alternatives, Institut National de Recherche Agronomique, Grenoble Université, Institut de Recherches en Technologies et Sciences pour le Vivant, Commissariat à l'Energie Atomique-Grenoble, 38054 Grenoble, France (M.A.B., E.M.)
| | - Marie-Christine Thibaud
- Aix-Marseille Université, F-13108 Saint-Paul-lez-Durance, France (C.A., M.C., M.-C.T., H.J., S.C., J.R., P.S., T.D., L.N.);Centre National de la Recherche Scientifique, Unité Mixte de Recherche 7265 Biologie Végétale and Microbiologie Environnementale, F-13108 Saint-Paul-lez-Durance, France (C.A., M.C., M.-C.T., H.J., S.C., J.R., P.S., T.D., L.N.);Commissariat à l'Energie Atomique et aux Energies Alternatives, Institut de Biologie Environnementale et de Biotechnologie, Laboratoire de Biologie du Développement des Plantes, F-13108 Saint-Paul-lez-Durance, France (C.A., M.C., M.-C.T., H.J., S.C., J.R., T.D., L.N.);Unité Mixte de Recherche Institut National de Recherche Agronomique 1165 Centre National de la Recherche Scientifique 8114, Recherche en Génomique Végétale, Université Evry Val d'Essonne, 91057 Evry cedex, France (E.D., S.B.);Commissariat à l'Energie Atomique et aux Energies Alternatives, Institut de Biologie Environnementale et de Biotechnologie, Groupe de Recherche Appliquée à la Phytotechnologie, F-13108 Saint-Paul-lez-Durance, France (P.S.); andUnité Mixte de Recherche 5168 Centre National de la Recherche Scientifique, Commissariat à l'Energie Atomique et aux Energies Alternatives, Institut National de Recherche Agronomique, Grenoble Université, Institut de Recherches en Technologies et Sciences pour le Vivant, Commissariat à l'Energie Atomique-Grenoble, 38054 Grenoble, France (M.A.B., E.M.)
| | - Hélène Javot
- Aix-Marseille Université, F-13108 Saint-Paul-lez-Durance, France (C.A., M.C., M.-C.T., H.J., S.C., J.R., P.S., T.D., L.N.);Centre National de la Recherche Scientifique, Unité Mixte de Recherche 7265 Biologie Végétale and Microbiologie Environnementale, F-13108 Saint-Paul-lez-Durance, France (C.A., M.C., M.-C.T., H.J., S.C., J.R., P.S., T.D., L.N.);Commissariat à l'Energie Atomique et aux Energies Alternatives, Institut de Biologie Environnementale et de Biotechnologie, Laboratoire de Biologie du Développement des Plantes, F-13108 Saint-Paul-lez-Durance, France (C.A., M.C., M.-C.T., H.J., S.C., J.R., T.D., L.N.);Unité Mixte de Recherche Institut National de Recherche Agronomique 1165 Centre National de la Recherche Scientifique 8114, Recherche en Génomique Végétale, Université Evry Val d'Essonne, 91057 Evry cedex, France (E.D., S.B.);Commissariat à l'Energie Atomique et aux Energies Alternatives, Institut de Biologie Environnementale et de Biotechnologie, Groupe de Recherche Appliquée à la Phytotechnologie, F-13108 Saint-Paul-lez-Durance, France (P.S.); andUnité Mixte de Recherche 5168 Centre National de la Recherche Scientifique, Commissariat à l'Energie Atomique et aux Energies Alternatives, Institut National de Recherche Agronomique, Grenoble Université, Institut de Recherches en Technologies et Sciences pour le Vivant, Commissariat à l'Energie Atomique-Grenoble, 38054 Grenoble, France (M.A.B., E.M.)
| | - Serge Chiarenza
- Aix-Marseille Université, F-13108 Saint-Paul-lez-Durance, France (C.A., M.C., M.-C.T., H.J., S.C., J.R., P.S., T.D., L.N.);Centre National de la Recherche Scientifique, Unité Mixte de Recherche 7265 Biologie Végétale and Microbiologie Environnementale, F-13108 Saint-Paul-lez-Durance, France (C.A., M.C., M.-C.T., H.J., S.C., J.R., P.S., T.D., L.N.);Commissariat à l'Energie Atomique et aux Energies Alternatives, Institut de Biologie Environnementale et de Biotechnologie, Laboratoire de Biologie du Développement des Plantes, F-13108 Saint-Paul-lez-Durance, France (C.A., M.C., M.-C.T., H.J., S.C., J.R., T.D., L.N.);Unité Mixte de Recherche Institut National de Recherche Agronomique 1165 Centre National de la Recherche Scientifique 8114, Recherche en Génomique Végétale, Université Evry Val d'Essonne, 91057 Evry cedex, France (E.D., S.B.);Commissariat à l'Energie Atomique et aux Energies Alternatives, Institut de Biologie Environnementale et de Biotechnologie, Groupe de Recherche Appliquée à la Phytotechnologie, F-13108 Saint-Paul-lez-Durance, France (P.S.); andUnité Mixte de Recherche 5168 Centre National de la Recherche Scientifique, Commissariat à l'Energie Atomique et aux Energies Alternatives, Institut National de Recherche Agronomique, Grenoble Université, Institut de Recherches en Technologies et Sciences pour le Vivant, Commissariat à l'Energie Atomique-Grenoble, 38054 Grenoble, France (M.A.B., E.M.)
| | - Etienne Delannoy
- Aix-Marseille Université, F-13108 Saint-Paul-lez-Durance, France (C.A., M.C., M.-C.T., H.J., S.C., J.R., P.S., T.D., L.N.);Centre National de la Recherche Scientifique, Unité Mixte de Recherche 7265 Biologie Végétale and Microbiologie Environnementale, F-13108 Saint-Paul-lez-Durance, France (C.A., M.C., M.-C.T., H.J., S.C., J.R., P.S., T.D., L.N.);Commissariat à l'Energie Atomique et aux Energies Alternatives, Institut de Biologie Environnementale et de Biotechnologie, Laboratoire de Biologie du Développement des Plantes, F-13108 Saint-Paul-lez-Durance, France (C.A., M.C., M.-C.T., H.J., S.C., J.R., T.D., L.N.);Unité Mixte de Recherche Institut National de Recherche Agronomique 1165 Centre National de la Recherche Scientifique 8114, Recherche en Génomique Végétale, Université Evry Val d'Essonne, 91057 Evry cedex, France (E.D., S.B.);Commissariat à l'Energie Atomique et aux Energies Alternatives, Institut de Biologie Environnementale et de Biotechnologie, Groupe de Recherche Appliquée à la Phytotechnologie, F-13108 Saint-Paul-lez-Durance, France (P.S.); andUnité Mixte de Recherche 5168 Centre National de la Recherche Scientifique, Commissariat à l'Energie Atomique et aux Energies Alternatives, Institut National de Recherche Agronomique, Grenoble Université, Institut de Recherches en Technologies et Sciences pour le Vivant, Commissariat à l'Energie Atomique-Grenoble, 38054 Grenoble, France (M.A.B., E.M.)
| | - Julia Revol
- Aix-Marseille Université, F-13108 Saint-Paul-lez-Durance, France (C.A., M.C., M.-C.T., H.J., S.C., J.R., P.S., T.D., L.N.);Centre National de la Recherche Scientifique, Unité Mixte de Recherche 7265 Biologie Végétale and Microbiologie Environnementale, F-13108 Saint-Paul-lez-Durance, France (C.A., M.C., M.-C.T., H.J., S.C., J.R., P.S., T.D., L.N.);Commissariat à l'Energie Atomique et aux Energies Alternatives, Institut de Biologie Environnementale et de Biotechnologie, Laboratoire de Biologie du Développement des Plantes, F-13108 Saint-Paul-lez-Durance, France (C.A., M.C., M.-C.T., H.J., S.C., J.R., T.D., L.N.);Unité Mixte de Recherche Institut National de Recherche Agronomique 1165 Centre National de la Recherche Scientifique 8114, Recherche en Génomique Végétale, Université Evry Val d'Essonne, 91057 Evry cedex, France (E.D., S.B.);Commissariat à l'Energie Atomique et aux Energies Alternatives, Institut de Biologie Environnementale et de Biotechnologie, Groupe de Recherche Appliquée à la Phytotechnologie, F-13108 Saint-Paul-lez-Durance, France (P.S.); andUnité Mixte de Recherche 5168 Centre National de la Recherche Scientifique, Commissariat à l'Energie Atomique et aux Energies Alternatives, Institut National de Recherche Agronomique, Grenoble Université, Institut de Recherches en Technologies et Sciences pour le Vivant, Commissariat à l'Energie Atomique-Grenoble, 38054 Grenoble, France (M.A.B., E.M.)
| | - Paul Soreau
- Aix-Marseille Université, F-13108 Saint-Paul-lez-Durance, France (C.A., M.C., M.-C.T., H.J., S.C., J.R., P.S., T.D., L.N.);Centre National de la Recherche Scientifique, Unité Mixte de Recherche 7265 Biologie Végétale and Microbiologie Environnementale, F-13108 Saint-Paul-lez-Durance, France (C.A., M.C., M.-C.T., H.J., S.C., J.R., P.S., T.D., L.N.);Commissariat à l'Energie Atomique et aux Energies Alternatives, Institut de Biologie Environnementale et de Biotechnologie, Laboratoire de Biologie du Développement des Plantes, F-13108 Saint-Paul-lez-Durance, France (C.A., M.C., M.-C.T., H.J., S.C., J.R., T.D., L.N.);Unité Mixte de Recherche Institut National de Recherche Agronomique 1165 Centre National de la Recherche Scientifique 8114, Recherche en Génomique Végétale, Université Evry Val d'Essonne, 91057 Evry cedex, France (E.D., S.B.);Commissariat à l'Energie Atomique et aux Energies Alternatives, Institut de Biologie Environnementale et de Biotechnologie, Groupe de Recherche Appliquée à la Phytotechnologie, F-13108 Saint-Paul-lez-Durance, France (P.S.); andUnité Mixte de Recherche 5168 Centre National de la Recherche Scientifique, Commissariat à l'Energie Atomique et aux Energies Alternatives, Institut National de Recherche Agronomique, Grenoble Université, Institut de Recherches en Technologies et Sciences pour le Vivant, Commissariat à l'Energie Atomique-Grenoble, 38054 Grenoble, France (M.A.B., E.M.)
| | - Sandrine Balzergue
- Aix-Marseille Université, F-13108 Saint-Paul-lez-Durance, France (C.A., M.C., M.-C.T., H.J., S.C., J.R., P.S., T.D., L.N.);Centre National de la Recherche Scientifique, Unité Mixte de Recherche 7265 Biologie Végétale and Microbiologie Environnementale, F-13108 Saint-Paul-lez-Durance, France (C.A., M.C., M.-C.T., H.J., S.C., J.R., P.S., T.D., L.N.);Commissariat à l'Energie Atomique et aux Energies Alternatives, Institut de Biologie Environnementale et de Biotechnologie, Laboratoire de Biologie du Développement des Plantes, F-13108 Saint-Paul-lez-Durance, France (C.A., M.C., M.-C.T., H.J., S.C., J.R., T.D., L.N.);Unité Mixte de Recherche Institut National de Recherche Agronomique 1165 Centre National de la Recherche Scientifique 8114, Recherche en Génomique Végétale, Université Evry Val d'Essonne, 91057 Evry cedex, France (E.D., S.B.);Commissariat à l'Energie Atomique et aux Energies Alternatives, Institut de Biologie Environnementale et de Biotechnologie, Groupe de Recherche Appliquée à la Phytotechnologie, F-13108 Saint-Paul-lez-Durance, France (P.S.); andUnité Mixte de Recherche 5168 Centre National de la Recherche Scientifique, Commissariat à l'Energie Atomique et aux Energies Alternatives, Institut National de Recherche Agronomique, Grenoble Université, Institut de Recherches en Technologies et Sciences pour le Vivant, Commissariat à l'Energie Atomique-Grenoble, 38054 Grenoble, France (M.A.B., E.M.)
| | - Maryse A Block
- Aix-Marseille Université, F-13108 Saint-Paul-lez-Durance, France (C.A., M.C., M.-C.T., H.J., S.C., J.R., P.S., T.D., L.N.);Centre National de la Recherche Scientifique, Unité Mixte de Recherche 7265 Biologie Végétale and Microbiologie Environnementale, F-13108 Saint-Paul-lez-Durance, France (C.A., M.C., M.-C.T., H.J., S.C., J.R., P.S., T.D., L.N.);Commissariat à l'Energie Atomique et aux Energies Alternatives, Institut de Biologie Environnementale et de Biotechnologie, Laboratoire de Biologie du Développement des Plantes, F-13108 Saint-Paul-lez-Durance, France (C.A., M.C., M.-C.T., H.J., S.C., J.R., T.D., L.N.);Unité Mixte de Recherche Institut National de Recherche Agronomique 1165 Centre National de la Recherche Scientifique 8114, Recherche en Génomique Végétale, Université Evry Val d'Essonne, 91057 Evry cedex, France (E.D., S.B.);Commissariat à l'Energie Atomique et aux Energies Alternatives, Institut de Biologie Environnementale et de Biotechnologie, Groupe de Recherche Appliquée à la Phytotechnologie, F-13108 Saint-Paul-lez-Durance, France (P.S.); andUnité Mixte de Recherche 5168 Centre National de la Recherche Scientifique, Commissariat à l'Energie Atomique et aux Energies Alternatives, Institut National de Recherche Agronomique, Grenoble Université, Institut de Recherches en Technologies et Sciences pour le Vivant, Commissariat à l'Energie Atomique-Grenoble, 38054 Grenoble, France (M.A.B., E.M.)
| | - Eric Maréchal
- Aix-Marseille Université, F-13108 Saint-Paul-lez-Durance, France (C.A., M.C., M.-C.T., H.J., S.C., J.R., P.S., T.D., L.N.);Centre National de la Recherche Scientifique, Unité Mixte de Recherche 7265 Biologie Végétale and Microbiologie Environnementale, F-13108 Saint-Paul-lez-Durance, France (C.A., M.C., M.-C.T., H.J., S.C., J.R., P.S., T.D., L.N.);Commissariat à l'Energie Atomique et aux Energies Alternatives, Institut de Biologie Environnementale et de Biotechnologie, Laboratoire de Biologie du Développement des Plantes, F-13108 Saint-Paul-lez-Durance, France (C.A., M.C., M.-C.T., H.J., S.C., J.R., T.D., L.N.);Unité Mixte de Recherche Institut National de Recherche Agronomique 1165 Centre National de la Recherche Scientifique 8114, Recherche en Génomique Végétale, Université Evry Val d'Essonne, 91057 Evry cedex, France (E.D., S.B.);Commissariat à l'Energie Atomique et aux Energies Alternatives, Institut de Biologie Environnementale et de Biotechnologie, Groupe de Recherche Appliquée à la Phytotechnologie, F-13108 Saint-Paul-lez-Durance, France (P.S.); andUnité Mixte de Recherche 5168 Centre National de la Recherche Scientifique, Commissariat à l'Energie Atomique et aux Energies Alternatives, Institut National de Recherche Agronomique, Grenoble Université, Institut de Recherches en Technologies et Sciences pour le Vivant, Commissariat à l'Energie Atomique-Grenoble, 38054 Grenoble, France (M.A.B., E.M.)
| | - Thierry Desnos
- Aix-Marseille Université, F-13108 Saint-Paul-lez-Durance, France (C.A., M.C., M.-C.T., H.J., S.C., J.R., P.S., T.D., L.N.);Centre National de la Recherche Scientifique, Unité Mixte de Recherche 7265 Biologie Végétale and Microbiologie Environnementale, F-13108 Saint-Paul-lez-Durance, France (C.A., M.C., M.-C.T., H.J., S.C., J.R., P.S., T.D., L.N.);Commissariat à l'Energie Atomique et aux Energies Alternatives, Institut de Biologie Environnementale et de Biotechnologie, Laboratoire de Biologie du Développement des Plantes, F-13108 Saint-Paul-lez-Durance, France (C.A., M.C., M.-C.T., H.J., S.C., J.R., T.D., L.N.);Unité Mixte de Recherche Institut National de Recherche Agronomique 1165 Centre National de la Recherche Scientifique 8114, Recherche en Génomique Végétale, Université Evry Val d'Essonne, 91057 Evry cedex, France (E.D., S.B.);Commissariat à l'Energie Atomique et aux Energies Alternatives, Institut de Biologie Environnementale et de Biotechnologie, Groupe de Recherche Appliquée à la Phytotechnologie, F-13108 Saint-Paul-lez-Durance, France (P.S.); andUnité Mixte de Recherche 5168 Centre National de la Recherche Scientifique, Commissariat à l'Energie Atomique et aux Energies Alternatives, Institut National de Recherche Agronomique, Grenoble Université, Institut de Recherches en Technologies et Sciences pour le Vivant, Commissariat à l'Energie Atomique-Grenoble, 38054 Grenoble, France (M.A.B., E.M.)
| | - Laurent Nussaume
- Aix-Marseille Université, F-13108 Saint-Paul-lez-Durance, France (C.A., M.C., M.-C.T., H.J., S.C., J.R., P.S., T.D., L.N.);Centre National de la Recherche Scientifique, Unité Mixte de Recherche 7265 Biologie Végétale and Microbiologie Environnementale, F-13108 Saint-Paul-lez-Durance, France (C.A., M.C., M.-C.T., H.J., S.C., J.R., P.S., T.D., L.N.);Commissariat à l'Energie Atomique et aux Energies Alternatives, Institut de Biologie Environnementale et de Biotechnologie, Laboratoire de Biologie du Développement des Plantes, F-13108 Saint-Paul-lez-Durance, France (C.A., M.C., M.-C.T., H.J., S.C., J.R., T.D., L.N.);Unité Mixte de Recherche Institut National de Recherche Agronomique 1165 Centre National de la Recherche Scientifique 8114, Recherche en Génomique Végétale, Université Evry Val d'Essonne, 91057 Evry cedex, France (E.D., S.B.);Commissariat à l'Energie Atomique et aux Energies Alternatives, Institut de Biologie Environnementale et de Biotechnologie, Groupe de Recherche Appliquée à la Phytotechnologie, F-13108 Saint-Paul-lez-Durance, France (P.S.); andUnité Mixte de Recherche 5168 Centre National de la Recherche Scientifique, Commissariat à l'Energie Atomique et aux Energies Alternatives, Institut National de Recherche Agronomique, Grenoble Université, Institut de Recherches en Technologies et Sciences pour le Vivant, Commissariat à l'Energie Atomique-Grenoble, 38054 Grenoble, France (M.A.B., E.M.)
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Belgaroui N, Zaidi I, Farhat A, Chouayekh H, Bouain N, Chay S, Curie C, Mari S, Masmoudi K, Davidian JC, Berthomieu P, Rouached H, Hanin M. Over-expression of the Bacterial Phytase US417 in Arabidopsis Reduces the Concentration of Phytic Acid and Reveals Its Involvement in the Regulation of Sulfate and Phosphate Homeostasis and Signaling. ACTA ACUST UNITED AC 2014; 55:1912-24. [DOI: 10.1093/pcp/pcu122] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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116
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Secco D, Shou H, Whelan J, Berkowitz O. RNA-seq analysis identifies an intricate regulatory network controlling cluster root development in white lupin. BMC Genomics 2014; 15:230. [PMID: 24666749 PMCID: PMC4028058 DOI: 10.1186/1471-2164-15-230] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2014] [Accepted: 03/18/2014] [Indexed: 01/03/2023] Open
Abstract
Background Highly adapted plant species are able to alter their root architecture to improve nutrient uptake and thrive in environments with limited nutrient supply. Cluster roots (CRs) are specialised structures of dense lateral roots formed by several plant species for the effective mining of nutrient rich soil patches through a combination of increased surface area and exudation of carboxylates. White lupin is becoming a model-species allowing for the discovery of gene networks involved in CR development. A greater understanding of the underlying molecular mechanisms driving these developmental processes is important for the generation of smarter plants for a world with diminishing resources to improve food security. Results RNA-seq analyses for three developmental stages of the CR formed under phosphorus-limited conditions and two of non-cluster roots have been performed for white lupin. In total 133,045,174 high-quality paired-end reads were used for a de novo assembly of the root transcriptome and merged with LAGI01 (Lupinus albus gene index) to generate an improved LAGI02 with 65,097 functionally annotated contigs. This was followed by comparative gene expression analysis. We show marked differences in the transcriptional response across the various cluster root stages to adjust to phosphate limitation by increasing uptake capacity and adjusting metabolic pathways. Several transcription factors such as PLT, SCR, PHB, PHV or AUX/IAA with a known role in the control of meristem activity and developmental processes show an increased expression in the tip of the CR. Genes involved in hormonal responses (PIN, LAX, YUC) and cell cycle control (CYCA/B, CDK) are also differentially expressed. In addition, we identify primary transcripts of miRNAs with established function in the root meristem. Conclusions Our gene expression analysis shows an intricate network of transcription factors and plant hormones controlling CR initiation and formation. In addition, functional differences between the different CR developmental stages in the acclimation to phosphorus starvation have been identified.
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Affiliation(s)
| | | | | | - Oliver Berkowitz
- Australian Research Council Centre of Excellence in Plant Energy Biology, University of Western Australia, Crawley, WA 6009, Australia.
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Khan GA, Bouraine S, Wege S, Li Y, de Carbonnel M, Berthomieu P, Poirier Y, Rouached H. Coordination between zinc and phosphate homeostasis involves the transcription factor PHR1, the phosphate exporter PHO1, and its homologue PHO1;H3 in Arabidopsis. JOURNAL OF EXPERIMENTAL BOTANY 2014; 65:871-84. [PMID: 24420568 PMCID: PMC3924728 DOI: 10.1093/jxb/ert444] [Citation(s) in RCA: 116] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
Interactions between zinc (Zn) and phosphate (Pi) nutrition in plants have long been recognized, but little information is available on their molecular bases and biological significance. This work aimed at examining the effects of Zn deficiency on Pi accumulation in Arabidopsis thaliana and uncovering genes involved in the Zn-Pi synergy. Wild-type plants as well as mutants affected in Pi signalling and transport genes, namely the transcription factor PHR1, the E2-conjugase PHO2, and the Pi exporter PHO1, were examined. Zn deficiency caused an increase in shoot Pi content in the wild type as well as in the pho2 mutant, but not in the phr1 or pho1 mutants. This indicated that PHR1 and PHO1 participate in the coregulation of Zn and Pi homeostasis. Zn deprivation had a very limited effect on transcript levels of Pi-starvation-responsive genes such as AT4, IPS1, and microRNA399, or on of members of the high-affinity Pi transporter family PHT1. Interestingly, one of the PHO1 homologues, PHO1;H3, was upregulated in response to Zn deficiency. The expression pattern of PHO1 and PHO1;H3 were similar, both being expressed in cells of the root vascular cylinder and both localized to the Golgi when expressed transiently in tobacco cells. When grown in Zn-free medium, pho1;h3 mutant plants displayed higher Pi contents in the shoots than wild-type plants. This was, however, not observed in a pho1 pho1;h3 double mutant, suggesting that PHO1;H3 restricts root-to-shoot Pi transfer requiring PHO1 function for Pi homeostasis in response to Zn deficiency.
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Affiliation(s)
- Ghazanfar Abbas Khan
- Département de Biologie Moléculaire Végétale, Biophore, Université de Lausanne, CH-1015 Lausanne, Switzerland
| | - Samir Bouraine
- Biochimie et Physiologie Moléculaire des Plantes, Institut National de la Recherche Agronomique, Centre National de la Recherche Scientifique, Université Montpellier 2, Montpellier SupAgro. Bat 7, 2 place Viala, 34060 Montpellier cedex 2, France
| | - Stefanie Wege
- Département de Biologie Moléculaire Végétale, Biophore, Université de Lausanne, CH-1015 Lausanne, Switzerland
| | - Yuanyuan Li
- Département de Biologie Moléculaire Végétale, Biophore, Université de Lausanne, CH-1015 Lausanne, Switzerland
| | - Matthieu de Carbonnel
- Département de Biologie Moléculaire Végétale, Biophore, Université de Lausanne, CH-1015 Lausanne, Switzerland
| | - Pierre Berthomieu
- Biochimie et Physiologie Moléculaire des Plantes, Institut National de la Recherche Agronomique, Centre National de la Recherche Scientifique, Université Montpellier 2, Montpellier SupAgro. Bat 7, 2 place Viala, 34060 Montpellier cedex 2, France
| | - Yves Poirier
- Département de Biologie Moléculaire Végétale, Biophore, Université de Lausanne, CH-1015 Lausanne, Switzerland
| | - Hatem Rouached
- Département de Biologie Moléculaire Végétale, Biophore, Université de Lausanne, CH-1015 Lausanne, Switzerland
- Biochimie et Physiologie Moléculaire des Plantes, Institut National de la Recherche Agronomique, Centre National de la Recherche Scientifique, Université Montpellier 2, Montpellier SupAgro. Bat 7, 2 place Viala, 34060 Montpellier cedex 2, France
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Doustaly F, Combes F, Fiévet JB, Berthet S, Hugouvieux V, Bastien O, Aranjuelo I, Leonhardt N, Rivasseau C, Carrière M, Vavasseur A, Renou JP, Vandenbrouck Y, Bourguignon J. Uranium perturbs signaling and iron uptake response in Arabidopsis thaliana roots. Metallomics 2014; 6:809-21. [DOI: 10.1039/c4mt00005f] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
The early plant root response to uranyl was characterized using complete Arabidopsis transcriptome microarrays.
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Affiliation(s)
- Fany Doustaly
- Commissariat à l'Energie Atomique et aux Energies Alternatives (CEA)
- Direction des Sciences du Vivant (DSV)
- Institut de Recherche en Technologies et Sciences pour le Vivant (iRTSV)
- Laboratoire de Physiologie Cellulaire Végétale (PCV)
- Grenoble F-38054, France
| | - Florence Combes
- CEA
- DSV
- iRTSV
- Laboratoire de Biologie à Grande Echelle
- Grenoble F-38054, France
| | - Julie B. Fiévet
- Commissariat à l'Energie Atomique et aux Energies Alternatives (CEA)
- Direction des Sciences du Vivant (DSV)
- Institut de Recherche en Technologies et Sciences pour le Vivant (iRTSV)
- Laboratoire de Physiologie Cellulaire Végétale (PCV)
- Grenoble F-38054, France
| | - Serge Berthet
- Commissariat à l'Energie Atomique et aux Energies Alternatives (CEA)
- Direction des Sciences du Vivant (DSV)
- Institut de Recherche en Technologies et Sciences pour le Vivant (iRTSV)
- Laboratoire de Physiologie Cellulaire Végétale (PCV)
- Grenoble F-38054, France
| | - Véronique Hugouvieux
- Commissariat à l'Energie Atomique et aux Energies Alternatives (CEA)
- Direction des Sciences du Vivant (DSV)
- Institut de Recherche en Technologies et Sciences pour le Vivant (iRTSV)
- Laboratoire de Physiologie Cellulaire Végétale (PCV)
- Grenoble F-38054, France
| | - Olivier Bastien
- Commissariat à l'Energie Atomique et aux Energies Alternatives (CEA)
- Direction des Sciences du Vivant (DSV)
- Institut de Recherche en Technologies et Sciences pour le Vivant (iRTSV)
- Laboratoire de Physiologie Cellulaire Végétale (PCV)
- Grenoble F-38054, France
| | - Iker Aranjuelo
- Commissariat à l'Energie Atomique et aux Energies Alternatives (CEA)
- Direction des Sciences du Vivant (DSV)
- Institut de Recherche en Technologies et Sciences pour le Vivant (iRTSV)
- Laboratoire de Physiologie Cellulaire Végétale (PCV)
- Grenoble F-38054, France
| | - Nathalie Leonhardt
- CEA
- CNRS
- Université Aix-Marseille
- Laboratoire de Biologie du Développement des Plantes
- UMR 7265
| | - Corinne Rivasseau
- Commissariat à l'Energie Atomique et aux Energies Alternatives (CEA)
- Direction des Sciences du Vivant (DSV)
- Institut de Recherche en Technologies et Sciences pour le Vivant (iRTSV)
- Laboratoire de Physiologie Cellulaire Végétale (PCV)
- Grenoble F-38054, France
| | - Marie Carrière
- CEA
- INAC
- UMR E3 CEA-UJF
- SCIB
- Laboratoire Lésions des Acides Nucléiques
| | - Alain Vavasseur
- CEA
- CNRS
- Université Aix-Marseille
- Laboratoire de Biologie du Développement des Plantes
- UMR 7265
| | - Jean-Pierre Renou
- Unité de Recherche en Génomique Végétale
- UMR 1165
- INRA
- CNRS
- Université d'Evry Val d'Essonne
| | - Yves Vandenbrouck
- CEA
- DSV
- iRTSV
- Laboratoire de Biologie à Grande Echelle
- Grenoble F-38054, France
| | - Jacques Bourguignon
- Commissariat à l'Energie Atomique et aux Energies Alternatives (CEA)
- Direction des Sciences du Vivant (DSV)
- Institut de Recherche en Technologies et Sciences pour le Vivant (iRTSV)
- Laboratoire de Physiologie Cellulaire Végétale (PCV)
- Grenoble F-38054, France
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Secco D, Jabnoune M, Walker H, Shou H, Wu P, Poirier Y, Whelan J. Spatio-temporal transcript profiling of rice roots and shoots in response to phosphate starvation and recovery. THE PLANT CELL 2013; 25:4285-304. [PMID: 24249833 PMCID: PMC3875719 DOI: 10.1105/tpc.113.117325] [Citation(s) in RCA: 198] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/14/2013] [Revised: 10/07/2013] [Accepted: 10/30/2013] [Indexed: 05/18/2023]
Abstract
Using rice (Oryza sativa) as a model crop species, we performed an in-depth temporal transcriptome analysis, covering the early and late stages of Pi deprivation as well as Pi recovery in roots and shoots, using next-generation sequencing. Analyses of 126 paired-end RNA sequencing libraries, spanning nine time points, provided a comprehensive overview of the dynamic responses of rice to Pi stress. Differentially expressed genes were grouped into eight sets based on their responses to Pi starvation and recovery, enabling the complex signaling pathways involved in Pi homeostasis to be untangled. A reference annotation-based transcript assembly was also generated, identifying 438 unannotated loci that were differentially expressed under Pi starvation. Several genes also showed induction of unannotated splice isoforms under Pi starvation. Among these, PHOSPHATE2 (PHO2), a key regulator of Pi homeostasis, displayed a Pi starvation-induced isoform, which was associated with increased translation activity. In addition, microRNA (miRNA) expression profiles after long-term Pi starvation in roots and shoots were assessed, identifying 20 miRNA families that were not previously associated with Pi starvation, such as miR6250. In this article, we present a comprehensive spatio-temporal transcriptome analysis of plant responses to Pi stress, revealing a large number of potential key regulators of Pi homeostasis in plants.
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Affiliation(s)
- David Secco
- Australian Research Council Centre of Excellence in Plant Energy Biology, University of Western Australia, Crawley 6009, Australia
- Address correspondence to
| | - Mehdi Jabnoune
- Department of Plant Molecular Biology, Biophore Building, University of Lausanne, Lausanne CH-1015, Switzerland
| | - Hayden Walker
- Australian Research Council Centre of Excellence in Plant Energy Biology, University of Western Australia, Crawley 6009, Australia
| | - Huixia Shou
- State Key Laboratory of Plant Physiology and Biochemistry College of Life Sciences, Zhejiang University, Hangzhou 310058, China
- Joint Research Laboratory in Genomics and Nutriomics, Zhejiang University, Hangzhou 310058, China
| | - Ping Wu
- State Key Laboratory of Plant Physiology and Biochemistry College of Life Sciences, Zhejiang University, Hangzhou 310058, China
- Joint Research Laboratory in Genomics and Nutriomics, Zhejiang University, Hangzhou 310058, China
| | - Yves Poirier
- Department of Plant Molecular Biology, Biophore Building, University of Lausanne, Lausanne CH-1015, Switzerland
| | - James Whelan
- Australian Research Council Centre of Excellence in Plant Energy Biology, University of Western Australia, Crawley 6009, Australia
- Joint Research Laboratory in Genomics and Nutriomics, Zhejiang University, Hangzhou 310058, China
- Department of Botany, School of Life Science, La Trobe University, Bundoora 3086, Victoria, Australia
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