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Sun J, Liu H, Wang W, Fan C, Yuan G, Zhou R, Lu J, Liu J, Wang C. RcOST1L phosphorylates RcPIF4 for proteasomal degradation to promote flowering in rose. THE NEW PHYTOLOGIST 2024. [PMID: 38849320 DOI: 10.1111/nph.19885] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Accepted: 05/14/2024] [Indexed: 06/09/2024]
Abstract
Flowering is a vital agronomic trait that determines the economic value of most ornamental plants. The flowering time of rose (Rosa spp.) is photoperiod insensitive and is thought to be tightly controlled by light intensity, although the detailed molecular mechanism remains unclear. Here, we showed that rose plants flower later under low-light (LL) intensity than under high-light (HL) intensity, which is mainly related to the stability of PHYTOCHROME-INTERACTING FACTORs (RcPIFs) mediated by OPEN STOMATA 1-Like (RcOST1L) under different light intensity regimes. We determined that HL conditions trigger the rapid phosphorylation of RcPIFs before their degradation. A yeast two-hybrid screen identified the kinase RcOST1L as interacting with RcPIF4. Moreover, RcOST1L positively regulated rose flowering and directly phosphorylated RcPIF4 on serine 198 to promote its degradation under HL conditions. Additionally, phytochrome B (RcphyB) enhanced RcOST1L-mediated phosphorylation of RcPIF4 via interacting with the active phyB-binding motif. RcphyB was activated upon HL and recruited RcOST1L to facilitate its nuclear accumulation, in turn leading to decreased stability of RcPIF4 and flowering acceleration. Our findings illustrate how RcPIF abundance safeguards proper rose flowering under different light intensities, thus uncovering the essential role of RcOST1L in the RcphyB-RcPIF4 module in flowering.
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Affiliation(s)
- Jingjing Sun
- Key Laboratory of Landscaping, Ministry of Agriculture and Rural Affairs, Key Laboratory of State Forestry and Grassland Administration on Biology of Ornamental Plants in East China, College of Horticulture, Nanjing Agricultural University, Nanjing, 210095, China
| | - Hongchi Liu
- Key Laboratory of Landscaping, Ministry of Agriculture and Rural Affairs, Key Laboratory of State Forestry and Grassland Administration on Biology of Ornamental Plants in East China, College of Horticulture, Nanjing Agricultural University, Nanjing, 210095, China
| | - Weinan Wang
- Key Laboratory of Landscaping, Ministry of Agriculture and Rural Affairs, Key Laboratory of State Forestry and Grassland Administration on Biology of Ornamental Plants in East China, College of Horticulture, Nanjing Agricultural University, Nanjing, 210095, China
| | - Chunguo Fan
- Key Laboratory of Landscaping, Ministry of Agriculture and Rural Affairs, Key Laboratory of State Forestry and Grassland Administration on Biology of Ornamental Plants in East China, College of Horticulture, Nanjing Agricultural University, Nanjing, 210095, China
| | - Guozhen Yuan
- Key Laboratory of Landscaping, Ministry of Agriculture and Rural Affairs, Key Laboratory of State Forestry and Grassland Administration on Biology of Ornamental Plants in East China, College of Horticulture, Nanjing Agricultural University, Nanjing, 210095, China
| | - Rui Zhou
- Key Laboratory of Landscaping, Ministry of Agriculture and Rural Affairs, Key Laboratory of State Forestry and Grassland Administration on Biology of Ornamental Plants in East China, College of Horticulture, Nanjing Agricultural University, Nanjing, 210095, China
| | - Jun Lu
- Key Laboratory of Landscaping, Ministry of Agriculture and Rural Affairs, Key Laboratory of State Forestry and Grassland Administration on Biology of Ornamental Plants in East China, College of Horticulture, Nanjing Agricultural University, Nanjing, 210095, China
| | - Jinyi Liu
- Key Laboratory of Landscaping, Ministry of Agriculture and Rural Affairs, Key Laboratory of State Forestry and Grassland Administration on Biology of Ornamental Plants in East China, College of Horticulture, Nanjing Agricultural University, Nanjing, 210095, China
| | - Changquan Wang
- Key Laboratory of Landscaping, Ministry of Agriculture and Rural Affairs, Key Laboratory of State Forestry and Grassland Administration on Biology of Ornamental Plants in East China, College of Horticulture, Nanjing Agricultural University, Nanjing, 210095, China
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Sun F, Cheng H, Song Z, Yan H, Liu H, Xiao X, Zhang Z, Luo M, Wu F, Lu J, Luo K, Wei H. Phytochrome-interacting factors play shared and distinct roles in regulating shade avoidance responses in Populus trees. PLANT, CELL & ENVIRONMENT 2024; 47:2058-2073. [PMID: 38404129 DOI: 10.1111/pce.14853] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Revised: 01/26/2024] [Accepted: 01/29/2024] [Indexed: 02/27/2024]
Abstract
Plants adjust their growth and development in response to changing light caused by canopy shade. The molecular mechanisms underlying shade avoidance responses have been widely studied in Arabidopsis and annual crop species, yet the shade avoidance signalling in woody perennial trees remains poorly understood. Here, we first showed that PtophyB1/2 photoreceptors serve conserved roles in attenuating the shade avoidance syndrome (SAS) in poplars. Next, we conducted a systematic identification and characterization of eight PtoPIF genes in Populus tomentosa. Knocking out different PtoPIFs led to attenuated shade responses to varying extents, whereas overexpression of PtoPIFs, particularly PtoPIF3.1 and PtoPIF3.2, led to constitutive SAS phenotypes under normal light and enhanced SAS responses under simulated shade. Notably, our results revealed that distinct from Arabidopsis PIF4 and PIF5, which are major regulators of SAS, the Populus homologues PtoPIF4.1 and PtoPIF4.2 seem to play a minor role in controlling shade responses. Moreover, we showed that PtoPIF3.1/3.2 could directly activate the expression of the auxin biosynthetic gene PtoYUC8 in response to shade, suggesting a conserved PIF-YUC-auxin pathway in modulating SAS in tree. Overall, our study provides insights into shared and divergent functions of PtoPIF members in regulating various aspects of the SAS in Populus.
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Affiliation(s)
- Fan Sun
- School of Life Sciences, Chongqing Key Laboratory of Plant Resource Conservation and Germplasm Innovation, Integrative Science Center of Germplasm Creation in Western China (Chongqing) Science City, School of Life Sciences, Southwest University, Chongqing, China
| | - Hongli Cheng
- School of Life Sciences, Chongqing Key Laboratory of Plant Resource Conservation and Germplasm Innovation, Integrative Science Center of Germplasm Creation in Western China (Chongqing) Science City, School of Life Sciences, Southwest University, Chongqing, China
| | - Zhi Song
- School of Life Sciences, Chongqing Key Laboratory of Plant Resource Conservation and Germplasm Innovation, Integrative Science Center of Germplasm Creation in Western China (Chongqing) Science City, School of Life Sciences, Southwest University, Chongqing, China
| | - Huiting Yan
- School of Life Sciences, Chongqing Key Laboratory of Plant Resource Conservation and Germplasm Innovation, Integrative Science Center of Germplasm Creation in Western China (Chongqing) Science City, School of Life Sciences, Southwest University, Chongqing, China
| | - Huajie Liu
- School of Life Sciences, Chongqing Key Laboratory of Plant Resource Conservation and Germplasm Innovation, Integrative Science Center of Germplasm Creation in Western China (Chongqing) Science City, School of Life Sciences, Southwest University, Chongqing, China
| | - Xingyue Xiao
- School of Life Sciences, Chongqing Key Laboratory of Plant Resource Conservation and Germplasm Innovation, Integrative Science Center of Germplasm Creation in Western China (Chongqing) Science City, School of Life Sciences, Southwest University, Chongqing, China
| | - Zhichao Zhang
- School of Life Sciences, Chongqing Key Laboratory of Plant Resource Conservation and Germplasm Innovation, Integrative Science Center of Germplasm Creation in Western China (Chongqing) Science City, School of Life Sciences, Southwest University, Chongqing, China
| | - Mengting Luo
- School of Life Sciences, Chongqing Key Laboratory of Plant Resource Conservation and Germplasm Innovation, Integrative Science Center of Germplasm Creation in Western China (Chongqing) Science City, School of Life Sciences, Southwest University, Chongqing, China
| | - Feier Wu
- School of Life Sciences, Chongqing Key Laboratory of Plant Resource Conservation and Germplasm Innovation, Integrative Science Center of Germplasm Creation in Western China (Chongqing) Science City, School of Life Sciences, Southwest University, Chongqing, China
| | - Jun Lu
- School of Life Sciences, Chongqing Key Laboratory of Plant Resource Conservation and Germplasm Innovation, Integrative Science Center of Germplasm Creation in Western China (Chongqing) Science City, School of Life Sciences, Southwest University, Chongqing, China
| | - Keming Luo
- School of Life Sciences, Chongqing Key Laboratory of Plant Resource Conservation and Germplasm Innovation, Integrative Science Center of Germplasm Creation in Western China (Chongqing) Science City, School of Life Sciences, Southwest University, Chongqing, China
- Key Laboratory of Eco-environments of Three Gorges Reservoir Region, Ministry of Education, School of Life Sciences, Southwest University, Chongqing, China
| | - Hongbin Wei
- School of Life Sciences, Chongqing Key Laboratory of Plant Resource Conservation and Germplasm Innovation, Integrative Science Center of Germplasm Creation in Western China (Chongqing) Science City, School of Life Sciences, Southwest University, Chongqing, China
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Willige BC, Yoo CY, Saldierna Guzmán JP. What is going on inside of phytochrome B photobodies? THE PLANT CELL 2024; 36:2065-2085. [PMID: 38511271 PMCID: PMC11132900 DOI: 10.1093/plcell/koae084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 12/20/2023] [Accepted: 01/08/2024] [Indexed: 03/22/2024]
Abstract
Plants exhibit an enormous phenotypic plasticity to adjust to changing environmental conditions. For this purpose, they have evolved mechanisms to detect and measure biotic and abiotic factors in their surroundings. Phytochrome B exhibits a dual function, since it serves as a photoreceptor for red and far-red light as well as a thermosensor. In 1999, it was first reported that phytochromes not only translocate into the nucleus but also form subnuclear foci upon irradiation by red light. It took more than 10 years until these phytochrome speckles received their name; these foci were coined photobodies to describe unique phytochrome-containing subnuclear domains that are regulated by light. Since their initial discovery, there has been much speculation about the significance and function of photobodies. Their presumed roles range from pure experimental artifacts to waste deposits or signaling hubs. In this review, we summarize the newest findings about the meaning of phyB photobodies for light and temperature signaling. Recent studies have established that phyB photobodies are formed by liquid-liquid phase separation via multivalent interactions and that they provide diverse functions as biochemical hotspots to regulate gene expression on multiple levels.
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Affiliation(s)
- Björn Christopher Willige
- Department of Soil and Crop Sciences, College of Agricultural Sciences, Colorado State University, Fort Collins, CO 80521, USA
| | - Chan Yul Yoo
- School of Biological Sciences, University of Utah, UT 84112, USA
| | - Jessica Paola Saldierna Guzmán
- Department of Soil and Crop Sciences, College of Agricultural Sciences, Colorado State University, Fort Collins, CO 80521, USA
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Wang HR, Han SM, Wang DH, Zhao ZR, Ling H, Yu YN, Liu ZY, Gai YP, Ji XL. Unraveling the Contribution of MulSOS2 in Conferring Salinity Tolerance in Mulberry ( Morus atropurpurea Roxb). Int J Mol Sci 2024; 25:3628. [PMID: 38612440 PMCID: PMC11012014 DOI: 10.3390/ijms25073628] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Revised: 03/19/2024] [Accepted: 03/21/2024] [Indexed: 04/14/2024] Open
Abstract
Salinity is one of the most serious threats to sustainable agriculture. The Salt Overly Sensitive (SOS) signaling pathway plays an important role in salinity tolerance in plants, and the SOS2 gene plays a critical role in this pathway. Mulberry not only has important economic value but also is an important ecological tree species; however, the roles of the SOS2 gene associated with salt stress have not been reported in mulberry. To gain insight into the response of mulberry to salt stress, SOS2 (designated MulSOS2) was cloned from mulberry (Morus atropurpurea Roxb), and sequence analysis of the amino acids of MulSOS2 showed that it shares some conserved domains with its homologs from other plant species. Our data showed that the MulSOS2 gene was expressed at different levels in different tissues of mulberry, and its expression was induced substantially not only by NaCl but also by ABA. In addition, MulSOS2 was exogenously expressed in Arabidopsis, and the results showed that under salt stress, transgenic MulSOS2 plants accumulated more proline and less malondialdehyde than the wild-type plants and exhibited increased tolerance to salt stress. Moreover, the MulSOS2 gene was transiently overexpressed in mulberry leaves and stably overexpressed in the hairy roots, and similar results were obtained for resistance to salt stress in transgenic mulberry plants. Taken together, the results of this study are helpful to further explore the function of the MulSOS2 gene, which provides a valuable gene for the genetic breeding of salt tolerance in mulberry.
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Affiliation(s)
- Hai-Rui Wang
- College of Forestry, Shandong Agricultural University, Taian 271018, China; (H.-R.W.); (S.-M.H.); (D.-H.W.); (Z.-Y.L.)
| | - Sheng-Mei Han
- College of Forestry, Shandong Agricultural University, Taian 271018, China; (H.-R.W.); (S.-M.H.); (D.-H.W.); (Z.-Y.L.)
| | - Dong-Hao Wang
- College of Forestry, Shandong Agricultural University, Taian 271018, China; (H.-R.W.); (S.-M.H.); (D.-H.W.); (Z.-Y.L.)
| | - Zhen-Rui Zhao
- College of Life Sciences, Shandong Agricultural University, Taian 271018, China; (Z.-R.Z.); (H.L.); (Y.-N.Y.)
| | - Hui Ling
- College of Life Sciences, Shandong Agricultural University, Taian 271018, China; (Z.-R.Z.); (H.L.); (Y.-N.Y.)
| | - Yun-Na Yu
- College of Life Sciences, Shandong Agricultural University, Taian 271018, China; (Z.-R.Z.); (H.L.); (Y.-N.Y.)
| | - Zhao-Yang Liu
- College of Forestry, Shandong Agricultural University, Taian 271018, China; (H.-R.W.); (S.-M.H.); (D.-H.W.); (Z.-Y.L.)
| | - Ying-Ping Gai
- College of Life Sciences, Shandong Agricultural University, Taian 271018, China; (Z.-R.Z.); (H.L.); (Y.-N.Y.)
| | - Xian-Ling Ji
- College of Forestry, Shandong Agricultural University, Taian 271018, China; (H.-R.W.); (S.-M.H.); (D.-H.W.); (Z.-Y.L.)
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Han R, Ma L, Terzaghi W, Guo Y, Li J. Molecular mechanisms underlying coordinated responses of plants to shade and environmental stresses. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2024; 117:1893-1913. [PMID: 38289877 DOI: 10.1111/tpj.16653] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2023] [Revised: 01/09/2024] [Accepted: 01/17/2024] [Indexed: 02/01/2024]
Abstract
Shade avoidance syndrome (SAS) is triggered by a low ratio of red (R) to far-red (FR) light (R/FR ratio), which is caused by neighbor detection and/or canopy shade. In order to compete for the limited light, plants elongate hypocotyls and petioles by deactivating phytochrome B (phyB), a major R light photoreceptor, thus releasing its inhibition of the growth-promoting transcription factors PHYTOCHROME-INTERACTING FACTORs. Under natural conditions, plants must cope with abiotic stresses such as drought, soil salinity, and extreme temperatures, and biotic stresses such as pathogens and pests. Plants have evolved sophisticated mechanisms to simultaneously deal with multiple environmental stresses. In this review, we will summarize recent major advances in our understanding of how plants coordinately respond to shade and environmental stresses, and will also discuss the important questions for future research. A deep understanding of how plants synergistically respond to shade together with abiotic and biotic stresses will facilitate the design and breeding of new crop varieties with enhanced tolerance to high-density planting and environmental stresses.
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Affiliation(s)
- Run Han
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, Frontiers Science Center for Molecular Design Breeding (MOE), China Agricultural University, Beijing, 100193, China
| | - Liang Ma
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, Frontiers Science Center for Molecular Design Breeding (MOE), China Agricultural University, Beijing, 100193, China
| | - William Terzaghi
- Department of Biology, Wilkes University, Wilkes-Barre, Pennsylvania, 18766, USA
| | - Yan Guo
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, Frontiers Science Center for Molecular Design Breeding (MOE), China Agricultural University, Beijing, 100193, China
| | - Jigang Li
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, Frontiers Science Center for Molecular Design Breeding (MOE), China Agricultural University, Beijing, 100193, China
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Liang X, Li J, Yang Y, Jiang C, Guo Y. Designing salt stress-resilient crops: Current progress and future challenges. JOURNAL OF INTEGRATIVE PLANT BIOLOGY 2024; 66:303-329. [PMID: 38108117 DOI: 10.1111/jipb.13599] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2023] [Revised: 12/10/2023] [Accepted: 12/15/2023] [Indexed: 12/19/2023]
Abstract
Excess soil salinity affects large regions of land and is a major hindrance to crop production worldwide. Therefore, understanding the molecular mechanisms of plant salt tolerance has scientific importance and practical significance. In recent decades, studies have characterized hundreds of genes associated with plant responses to salt stress in different plant species. These studies have substantially advanced our molecular and genetic understanding of salt tolerance in plants and have introduced an era of molecular design breeding of salt-tolerant crops. This review summarizes our current knowledge of plant salt tolerance, emphasizing advances in elucidating the molecular mechanisms of osmotic stress tolerance, salt-ion transport and compartmentalization, oxidative stress tolerance, alkaline stress tolerance, and the trade-off between growth and salt tolerance. We also examine recent advances in understanding natural variation in the salt tolerance of crops and discuss possible strategies and challenges for designing salt stress-resilient crops. We focus on the model plant Arabidopsis (Arabidopsis thaliana) and the four most-studied crops: rice (Oryza sativa), wheat (Triticum aestivum), maize (Zea mays), and soybean (Glycine max).
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Affiliation(s)
- Xiaoyan Liang
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, China Agricultural University, Beijing, 100094, China
| | - Jianfang Li
- State Key Laboratory of Nutrient Use and Management, College of Resources and Environmental Sciences, China Agricultural University, Beijing, 100194, China
| | - Yongqing Yang
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, China Agricultural University, Beijing, 100094, China
- Center for Crop Functional Genomics and Molecular Breeding, China Agricultural University, Beijing, 100094, China
| | - Caifu Jiang
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, China Agricultural University, Beijing, 100094, China
- Center for Crop Functional Genomics and Molecular Breeding, China Agricultural University, Beijing, 100094, China
- Frontiers Science Center for Molecular Design Breeding, China Agricultural University, Beijing, 100193, China
| | - Yan Guo
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, China Agricultural University, Beijing, 100094, China
- Center for Crop Functional Genomics and Molecular Breeding, China Agricultural University, Beijing, 100094, China
- Frontiers Science Center for Molecular Design Breeding, China Agricultural University, Beijing, 100193, China
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Li ZY, Ma N, Zhang FJ, Li LZ, Li HJ, Wang XF, Zhang Z, You CX. Functions of Phytochrome Interacting Factors (PIFs) in Adapting Plants to Biotic and Abiotic Stresses. Int J Mol Sci 2024; 25:2198. [PMID: 38396875 PMCID: PMC10888771 DOI: 10.3390/ijms25042198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2024] [Revised: 02/03/2024] [Accepted: 02/04/2024] [Indexed: 02/25/2024] Open
Abstract
Plants possess the remarkable ability to sense detrimental environmental stimuli and launch sophisticated signal cascades that culminate in tailored responses to facilitate their survival, and transcription factors (TFs) are closely involved in these processes. Phytochrome interacting factors (PIFs) are among these TFs and belong to the basic helix-loop-helix family. PIFs are initially identified and have now been well established as core regulators of phytochrome-associated pathways in response to the light signal in plants. However, a growing body of evidence has unraveled that PIFs also play a crucial role in adapting plants to various biological and environmental pressures. In this review, we summarize and highlight that PIFs function as a signal hub that integrates multiple environmental cues, including abiotic (i.e., drought, temperature, and salinity) and biotic stresses to optimize plant growth and development. PIFs not only function as transcription factors to reprogram the expression of related genes, but also interact with various factors to adapt plants to harsh environments. This review will contribute to understanding the multifaceted functions of PIFs in response to different stress conditions, which will shed light on efforts to further dissect the novel functions of PIFs, especially in adaption to detrimental environments for a better survival of plants.
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Affiliation(s)
- Zhao-Yang Li
- College of Horticulture Science and Engineering, State Key Laboratory of Wheat Improvement, Shandong Agricultural University, Tai’an 271000, China; (Z.-Y.L.); (N.M.); (F.-J.Z.); (L.-Z.L.); (H.-J.L.); (X.-F.W.)
| | - Ning Ma
- College of Horticulture Science and Engineering, State Key Laboratory of Wheat Improvement, Shandong Agricultural University, Tai’an 271000, China; (Z.-Y.L.); (N.M.); (F.-J.Z.); (L.-Z.L.); (H.-J.L.); (X.-F.W.)
| | - Fu-Jun Zhang
- College of Horticulture Science and Engineering, State Key Laboratory of Wheat Improvement, Shandong Agricultural University, Tai’an 271000, China; (Z.-Y.L.); (N.M.); (F.-J.Z.); (L.-Z.L.); (H.-J.L.); (X.-F.W.)
- Department of Horticulture, College of Agriculture, Shihezi University, Shihezi 832003, China
| | - Lian-Zhen Li
- College of Horticulture Science and Engineering, State Key Laboratory of Wheat Improvement, Shandong Agricultural University, Tai’an 271000, China; (Z.-Y.L.); (N.M.); (F.-J.Z.); (L.-Z.L.); (H.-J.L.); (X.-F.W.)
| | - Hao-Jian Li
- College of Horticulture Science and Engineering, State Key Laboratory of Wheat Improvement, Shandong Agricultural University, Tai’an 271000, China; (Z.-Y.L.); (N.M.); (F.-J.Z.); (L.-Z.L.); (H.-J.L.); (X.-F.W.)
| | - Xiao-Fei Wang
- College of Horticulture Science and Engineering, State Key Laboratory of Wheat Improvement, Shandong Agricultural University, Tai’an 271000, China; (Z.-Y.L.); (N.M.); (F.-J.Z.); (L.-Z.L.); (H.-J.L.); (X.-F.W.)
| | - Zhenlu Zhang
- College of Horticulture Science and Engineering, State Key Laboratory of Wheat Improvement, Shandong Agricultural University, Tai’an 271000, China; (Z.-Y.L.); (N.M.); (F.-J.Z.); (L.-Z.L.); (H.-J.L.); (X.-F.W.)
| | - Chun-Xiang You
- College of Horticulture Science and Engineering, State Key Laboratory of Wheat Improvement, Shandong Agricultural University, Tai’an 271000, China; (Z.-Y.L.); (N.M.); (F.-J.Z.); (L.-Z.L.); (H.-J.L.); (X.-F.W.)
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Tripathy MK, Roux SJ. Role of calcium in regulating key steps in phytochrome-induced signaling pathways. PHYSIOLOGY AND MOLECULAR BIOLOGY OF PLANTS : AN INTERNATIONAL JOURNAL OF FUNCTIONAL PLANT BIOLOGY 2023; 29:1875-1879. [PMID: 38222279 PMCID: PMC10784251 DOI: 10.1007/s12298-023-01403-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Revised: 11/09/2023] [Accepted: 12/08/2023] [Indexed: 01/16/2024]
Abstract
A major focus in the field of signal transduction pathways in plants has been the role of calcium ions in mediating diverse sensory responses. Among these responses, those initiated by the red-light activated photoreceptor, phytochrome have received increasing attention in recent years. Although not all phytochrome responses are mediated by calcium, many of them are, and a number of recent publications have clarified just how calcium helps to transduce some of the transcriptomic changes induced by phytochrome. Many of these publications reference Dr. Sopory's laboratory as an important contributor to the initial data documenting that an early step in the signaling pathways induced by phytochrome was an increased uptake of calcium into cells. This review summarizes the strong evidence that calcium-dependent steps play a major role in transducing phytochrome-initiated responses, and it updates the latest reports on specific steps in some phytochrome responses that are dependent on the mediation of calcium-binding protein kinases and calmodulin.
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Affiliation(s)
- Manas K. Tripathy
- Department of Molecular Biosciences, The University of Texas at Austin, Austin, TX 78712 USA
| | - Stanley J. Roux
- Department of Molecular Biosciences, The University of Texas at Austin, Austin, TX 78712 USA
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Ren H, Zhang Y, Zhong M, Hussian J, Tang Y, Liu S, Qi G. Calcium signaling-mediated transcriptional reprogramming during abiotic stress response in plants. TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2023; 136:210. [PMID: 37728763 DOI: 10.1007/s00122-023-04455-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Accepted: 08/28/2023] [Indexed: 09/21/2023]
Abstract
Calcium (Ca2+) is a second messenger in plants growth and development, as well as in stress responses. The transient elevation in cytosolic Ca2+ concentration have been reported to be involved in plants response to abiotic and biotic stresses. In plants, Ca2+-induced transcriptional changes trigger molecular mechanisms by which plants adapt and respond to environment stresses. The mechanism for transcription regulation by Ca2+ could be either rapid in which Ca2+ signals directly cause the related response through the gene transcript and protein activities, or involved amplification of Ca2+ signals by up-regulation the expression of Ca2+ responsive genes, and then increase the transmission of Ca2+ signals. Ca2+ regulates the expression of genes by directly binding to the transcription factors (TFs), or indirectly through its sensors like calmodulin, calcium-dependent protein kinases (CDPK) and calcineurin B-like protein (CBL). In recent years, significant progress has been made in understanding the role of Ca2+-mediated transcriptional regulation in different processes in plants. In this review, we have provided a comprehensive overview of Ca2+-mediated transcriptional regulation in plants in response to abiotic stresses including nutrition deficiency, temperature stresses (like heat and cold), dehydration stress, osmotic stress, hypoxic, salt stress, acid rain, and heavy metal stress.
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Affiliation(s)
- Huimin Ren
- State Key Laboratory of Subtropical Silviculture, Zhejiang A & F University, Hangzhou, 311300, Zhejiang, China
| | - Yuting Zhang
- State Key Laboratory of Subtropical Silviculture, Zhejiang A & F University, Hangzhou, 311300, Zhejiang, China
| | - Minyi Zhong
- State Key Laboratory of Subtropical Silviculture, Zhejiang A & F University, Hangzhou, 311300, Zhejiang, China
| | - Jamshaid Hussian
- Department of Biotechnology, COMSATS University Islamabad, Abbottabad Campus, University Road, Abbottabad, 22060, Pakistan
| | - Yuting Tang
- State Key Laboratory of Subtropical Silviculture, Zhejiang A & F University, Hangzhou, 311300, Zhejiang, China
| | - Shenkui Liu
- State Key Laboratory of Subtropical Silviculture, Zhejiang A & F University, Hangzhou, 311300, Zhejiang, China.
| | - Guoning Qi
- State Key Laboratory of Subtropical Silviculture, Zhejiang A & F University, Hangzhou, 311300, Zhejiang, China.
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Li H, Zhou Y, Qin X, Peng J, Han R, Lv Y, Li C, Qi L, Qu GP, Yang L, Li Y, Terzaghi W, Li Z, Qin F, Gong Z, Deng XW, Li J. Reconstitution of phytochrome A-mediated light modulation of the ABA signaling pathways in yeast. Proc Natl Acad Sci U S A 2023; 120:e2302901120. [PMID: 37590408 PMCID: PMC10450666 DOI: 10.1073/pnas.2302901120] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Accepted: 07/06/2023] [Indexed: 08/19/2023] Open
Abstract
Abscisic acid (ABA), a classical plant hormone, plays an essential role in plant adaptation to environmental stresses. The ABA signaling mechanisms have been extensively investigated, and it was shown that the PYR1 (PYRABACTIN RESISTANCE1)/PYL (PYR1-LIKE)/RCAR (REGULATORY COMPONENT OF ABA RECEPTOR) ABA receptors, the PP2C coreceptors, and the SnRK2 protein kinases constitute the core ABA signaling module responsible for ABA perception and initiation of downstream responses. We recently showed that ABA signaling is modulated by light signals, but the underlying molecular mechanisms remain largely obscure. In this study, we established a system in yeast cells that was not only successful in reconstituting a complete ABA signaling pathway, from hormone perception to ABA-responsive gene expression, but also suitable for functionally characterizing the regulatory roles of additional factors of ABA signaling. Using this system, we analyzed the roles of several light signaling components, including the red and far-red light photoreceptors phytochrome A (phyA) and phyB, and the photomorphogenic central repressor COP1, in the regulation of ABA signaling. Our results showed that both phyA and phyB negatively regulated ABA signaling, whereas COP1 positively regulated ABA signaling in yeast cells. Further analyses showed that photoactivated phyA interacted with the ABA coreceptors ABI1 and ABI2 to decrease their interactions with the ABA receptor PYR1. Together, data from our reconstituted yeast ABA signaling system provide evidence that photoactivated photoreceptors attenuate ABA signaling by directly interacting with the key components of the core ABA signaling module, thus conferring enhanced ABA tolerance to light-grown plants.
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Affiliation(s)
- Hong Li
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, Frontiers Science Center for Molecular Design Breeding, China Agricultural University, Beijing100193, China
| | - Yangyang Zhou
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, Frontiers Science Center for Molecular Design Breeding, China Agricultural University, Beijing100193, China
- State Key Laboratory of Protein and Plant Gene Research, School of Advanced Agricultural Sciences and School of Life Sciences, Peking-Tsinghua Center for Life Sciences, Peking University, Beijing100871, China
- Peking University Institute of Advanced Agricultural Sciences, Shandong Laboratory of Advanced Agricultural Sciences at Weifang, Weifang, Shandong261325, China
| | - Xinyan Qin
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, Frontiers Science Center for Molecular Design Breeding, China Agricultural University, Beijing100193, China
| | - Jing Peng
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, Frontiers Science Center for Molecular Design Breeding, China Agricultural University, Beijing100193, China
| | - Run Han
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, Frontiers Science Center for Molecular Design Breeding, China Agricultural University, Beijing100193, China
| | - Yang Lv
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, Frontiers Science Center for Molecular Design Breeding, China Agricultural University, Beijing100193, China
| | - Cong Li
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, Frontiers Science Center for Molecular Design Breeding, China Agricultural University, Beijing100193, China
| | - Lijuan Qi
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, Frontiers Science Center for Molecular Design Breeding, China Agricultural University, Beijing100193, China
| | - Gao-Ping Qu
- Basic Forestry and Proteomics Research Center, Fujian Agriculture and Forestry University, Fuzhou350002, China
| | - Li Yang
- Department of Plant Pathology, China Agricultural University, Beijing100193, China
| | - Yanjie Li
- Department of Molecular Biophysics and Biochemistry, Yale University, New Haven, CT06520
| | | | - Zhen Li
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, Frontiers Science Center for Molecular Design Breeding, China Agricultural University, Beijing100193, China
| | - Feng Qin
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, Frontiers Science Center for Molecular Design Breeding, China Agricultural University, Beijing100193, China
| | - Zhizhong Gong
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, Frontiers Science Center for Molecular Design Breeding, China Agricultural University, Beijing100193, China
| | - Xing Wang Deng
- State Key Laboratory of Protein and Plant Gene Research, School of Advanced Agricultural Sciences and School of Life Sciences, Peking-Tsinghua Center for Life Sciences, Peking University, Beijing100871, China
- Peking University Institute of Advanced Agricultural Sciences, Shandong Laboratory of Advanced Agricultural Sciences at Weifang, Weifang, Shandong261325, China
| | - Jigang Li
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, Frontiers Science Center for Molecular Design Breeding, China Agricultural University, Beijing100193, China
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11
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Ma L, Han R, Yang Y, Liu X, Li H, Zhao X, Li J, Fu H, Huo Y, Sun L, Yan Y, Zhang H, Li Z, Tian F, Li J, Guo Y. Phytochromes enhance SOS2-mediated PIF1 and PIF3 phosphorylation and degradation to promote Arabidopsis salt tolerance. THE PLANT CELL 2023; 35:2997-3020. [PMID: 37119239 PMCID: PMC10396371 DOI: 10.1093/plcell/koad117] [Citation(s) in RCA: 22] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 03/08/2023] [Accepted: 04/10/2023] [Indexed: 06/19/2023]
Abstract
Soil salinity is one of the most detrimental abiotic stresses affecting plant survival, and light is a core environmental signal regulating plant growth and responses to abiotic stress. However, how light modulates the plant's response to salt stress remains largely obscure. Here, we show that Arabidopsis (Arabidopsis thaliana) seedlings are more tolerant to salt stress in the light than in the dark, and that the photoreceptors phytochrome A (phyA) and phyB are involved in this tolerance mechanism. We further show that phyA and phyB physically interact with the salt tolerance regulator SALT OVERLY SENSITIVE2 (SOS2) in the cytosol and nucleus, and enhance salt-activated SOS2 kinase activity in the light. Moreover, SOS2 directly interacts with and phosphorylates PHYTOCHROME-INTERACTING FACTORS PIF1 and PIF3 in the nucleus. Accordingly, PIFs act as negative regulators of plant salt tolerance, and SOS2 phosphorylation of PIF1 and PIF3 decreases their stability and relieves their repressive effect on plant salt tolerance in both light and dark conditions. Together, our study demonstrates that photoactivated phyA and phyB promote plant salt tolerance by increasing SOS2-mediated phosphorylation and degradation of PIF1 and PIF3, thus broadening our understanding of how plants adapt to salt stress according to their dynamic light environment.
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Affiliation(s)
- Liang Ma
- State Key Laboratory of Plant Environmental Resilience (SKLPER), College of Biological Sciences, China Agricultural University, Beijing 100193, China
| | - Run Han
- State Key Laboratory of Plant Environmental Resilience (SKLPER), College of Biological Sciences, China Agricultural University, Beijing 100193, China
| | - Yongqing Yang
- State Key Laboratory of Plant Environmental Resilience (SKLPER), College of Biological Sciences, China Agricultural University, Beijing 100193, China
| | - Xiangning Liu
- State Key Laboratory of Plant Environmental Resilience (SKLPER), College of Biological Sciences, China Agricultural University, Beijing 100193, China
| | - Hong Li
- State Key Laboratory of Plant Environmental Resilience (SKLPER), College of Biological Sciences, China Agricultural University, Beijing 100193, China
| | - Xiaoyun Zhao
- State Key Laboratory of Plant Environmental Resilience (SKLPER), College of Biological Sciences, China Agricultural University, Beijing 100193, China
| | - Jianfang Li
- State Key Laboratory of Plant Environmental Resilience (SKLPER), College of Biological Sciences, China Agricultural University, Beijing 100193, China
| | - Haiqi Fu
- State Key Laboratory of Plant Environmental Resilience (SKLPER), College of Biological Sciences, China Agricultural University, Beijing 100193, China
| | - Yandan Huo
- State Key Laboratory of Plant Environmental Resilience (SKLPER), College of Biological Sciences, China Agricultural University, Beijing 100193, China
| | - Liping Sun
- State Key Laboratory of Plant Environmental Resilience (SKLPER), College of Biological Sciences, China Agricultural University, Beijing 100193, China
| | - Yan Yan
- State Key Laboratory of Plant Environmental Resilience (SKLPER), College of Biological Sciences, China Agricultural University, Beijing 100193, China
| | - Hongyan Zhang
- State Key Laboratory of Plant Environmental Resilience (SKLPER), College of Biological Sciences, China Agricultural University, Beijing 100193, China
| | - Zhen Li
- State Key Laboratory of Plant Environmental Resilience (SKLPER), College of Biological Sciences, China Agricultural University, Beijing 100193, China
| | - Feng Tian
- National Maize Improvement Center, Key Laboratory of Biology and Genetic Improvement of Maize (MOA), Beijing Key Laboratory of Crop Genetic Improvement, China Agricultural University, Beijing 100193, China
| | - Jigang Li
- State Key Laboratory of Plant Environmental Resilience (SKLPER), College of Biological Sciences, China Agricultural University, Beijing 100193, China
| | - Yan Guo
- State Key Laboratory of Plant Environmental Resilience (SKLPER), College of Biological Sciences, China Agricultural University, Beijing 100193, China
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12
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Chen Q, Song Y, Liu K, Su C, Yu R, Li Y, Yang Y, Zhou B, Wang J, Hu G. Genome-Wide Identification and Functional Characterization of FAR1-RELATED SEQUENCE ( FRS) Family Members in Potato ( Solanum tuberosum). PLANTS (BASEL, SWITZERLAND) 2023; 12:2575. [PMID: 37447143 DOI: 10.3390/plants12132575] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 07/01/2023] [Accepted: 07/05/2023] [Indexed: 07/15/2023]
Abstract
FAR1-RELATED SEQUENCE (FRS) transcription factors are generated by transposases and play vital roles in plant growth and development, light signaling transduction, phytohormone response, and stress resistance. FRSs have been described in various plant species. However, FRS family members and their functions remain poorly understood in vegetative crops such as potato (Solanum tuberosum, St). In the present study, 20 putative StFRS proteins were identified in potato via genome-wide analysis. They were non-randomly localized to eight chromosomes and phylogenetic analysis classified them into six subgroups along with FRS proteins from Arabidopsis and tomato. Conserved protein motif, protein domain, and gene structure analyses supported the evolutionary relationships among the FRS proteins. Analysis of the cis-acting elements in the promoters and the expression profiles of StFRSs in various plant tissues and under different stress treatments revealed the spatiotemporal expression patterns and the potential roles of StFRSs in phytohormonal and stress responses. StFRSs were differentially expressed in the cultivar "Xisen 6", which is exposed to a variety of stresses. Hence, these genes may be critical in regulating abiotic stress. Elucidating the StFRS functions will lay theoretical and empirical foundations for the molecular breeding of potato varieties with high light use efficiency and stress resistance.
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Affiliation(s)
- Qingshuai Chen
- Shandong Provincial Key Laboratory of Biophysics, Institute of Biophysics, Dezhou University, Dezhou 253023, China
| | - Yang Song
- Shandong Provincial Key Laboratory of Biophysics, Institute of Biophysics, Dezhou University, Dezhou 253023, China
- College of Life Science, Dezhou University, Dezhou 253023, China
| | - Kui Liu
- Shandong Provincial Key Laboratory of Biophysics, Institute of Biophysics, Dezhou University, Dezhou 253023, China
| | - Chen Su
- Shandong Provincial Key Laboratory of Biophysics, Institute of Biophysics, Dezhou University, Dezhou 253023, China
- College of Life Science, Dezhou University, Dezhou 253023, China
| | - Ru Yu
- Shandong Provincial Key Laboratory of Biophysics, Institute of Biophysics, Dezhou University, Dezhou 253023, China
| | - Ying Li
- College of Life Science, Dezhou University, Dezhou 253023, China
| | - Yi Yang
- Shandong Provincial Key Laboratory of Biophysics, Institute of Biophysics, Dezhou University, Dezhou 253023, China
| | - Bailing Zhou
- Shandong Provincial Key Laboratory of Biophysics, Institute of Biophysics, Dezhou University, Dezhou 253023, China
| | - Jihua Wang
- Shandong Provincial Key Laboratory of Biophysics, Institute of Biophysics, Dezhou University, Dezhou 253023, China
| | - Guodong Hu
- Shandong Provincial Key Laboratory of Biophysics, Institute of Biophysics, Dezhou University, Dezhou 253023, China
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