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Wu H, Zhang R, Diao X. Genome-Wide Characterization and Haplotypic Variation Analysis of the IDD Gene Family in Foxtail Millet ( Setaria italica). Int J Mol Sci 2024; 25:8804. [PMID: 39201492 PMCID: PMC11354513 DOI: 10.3390/ijms25168804] [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: 06/12/2024] [Revised: 07/01/2024] [Accepted: 07/09/2024] [Indexed: 09/02/2024] Open
Abstract
The indeterminate domain proteins (IDD proteins) play essential roles in the growth and development of various plant tissues and organs across different developmental stages, but members of this gene family have not yet been characterized in foxtail millet (Setaria italica). To have a comprehensive understanding of the IDD gene family in foxtail millet, we performed a genome-wide characterization and haplotypic variation analysis of the IDD gene family in foxtail millet. In this study, sixteen IDD genes were identified across the reference genome of Yugu1, a foxtail millet cultivar. Phylogenetic analysis revealed that the Setaria italica IDD (SiIDD) proteins were clustered into four groups together with IDD proteins from Arabidopsis thaliana (dicot) and Oryza sativa (monocot). Conserved protein motif and gene structure analyses revealed that the closely clustered SiIDD genes were highly conserved within each subgroup. Furthermore, chromosomal location analysis showed that the SiIDD genes were unevenly distributed on nine chromosomes of foxtail millet and shared collinear relationships with IDD genes of other grass species. Transcriptional analysis revealed that the SiIDD genes differed greatly in their expression patterns, and paralogous genes shared similar expression patterns. In addition, superior haplotypes for two SiIDD genes (SiIDD8 and SiIDD14) were identified to correlate with traits of early heading date, and high thousand seed weight and molecular markers were designed for SiIDD8 and SiIDD14 to distinguish different haplotypes for breeding. Taken together, the results of this study provide useful information for further functional investigation of SiIDD genes, and the superior haplotypes of SiIDD8 and SiIDD14 will be particularly beneficial for improving heading date and yield of foxtail millet in breeding programs.
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Affiliation(s)
- Hongpo Wu
- Key Laboratory of Grain Crop Genetic Resources Evaluation and Utlization of Ministry of Agriculture and Rural Affairs and State Key Laboratory of Crop Gene Resources and Breeding, Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing 100081, China; (H.W.); (R.Z.)
| | - Renliang Zhang
- Key Laboratory of Grain Crop Genetic Resources Evaluation and Utlization of Ministry of Agriculture and Rural Affairs and State Key Laboratory of Crop Gene Resources and Breeding, Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing 100081, China; (H.W.); (R.Z.)
| | - Xianmin Diao
- Key Laboratory of Grain Crop Genetic Resources Evaluation and Utlization of Ministry of Agriculture and Rural Affairs and State Key Laboratory of Crop Gene Resources and Breeding, Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing 100081, China; (H.W.); (R.Z.)
- Zhongyuan Research Center, Chinese Academy of Agricultural Sciences, Xinxiang 453500, China
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2
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Rajendran S, Kang YM, Yang IB, Eo HB, Baek KL, Jang S, Eybishitz A, Kim HC, Je BI, Park SJ, Kim CM. Functional characterization of plant specific Indeterminate Domain (IDD) transcription factors in tomato (Solanum lycopersicum L.). Sci Rep 2024; 14:8015. [PMID: 38580719 PMCID: PMC10997639 DOI: 10.1038/s41598-024-58903-0] [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: 11/14/2023] [Accepted: 04/04/2024] [Indexed: 04/07/2024] Open
Abstract
Plant-specific transcription factors (TFs) are responsible for regulating the genes involved in the development of plant-specific organs and response systems for adaptation to terrestrial environments. This includes the development of efficient water transport systems, efficient reproductive organs, and the ability to withstand the effects of terrestrial factors, such as UV radiation, temperature fluctuations, and soil-related stress factors, and evolutionary advantages over land predators. In rice and Arabidopsis, INDETERMINATE DOMAIN (IDD) TFs are plant-specific TFs with crucial functions, such as development, reproduction, and stress response. However, in tomatoes, IDD TFs remain uncharacterized. Here, we examined the presence, distribution, structure, characteristics, and expression patterns of SlIDDs. Database searches, multiple alignments, and motif alignments suggested that 24 TFs were related to Arabidopsis IDDs. 18 IDDs had two characteristic C2H2 domains and two C2HC domains in their coding regions. Expression analyses suggest that some IDDs exhibit multi-stress responsive properties and can respond to specific stress conditions, while others can respond to multiple stress conditions in shoots and roots, either in a tissue-specific or universal manner. Moreover, co-expression database analyses suggested potential interaction partners within IDD family and other proteins. This study functionally characterized SlIDDs, which can be studied using molecular and bioinformatics methods for crop improvement.
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Affiliation(s)
- Sujeevan Rajendran
- Department of Horticulture Industry, Wonkwang University, Iksan, 54538, Republic of Korea
| | - Yu Mi Kang
- Department of Horticultural and Life Science, Pusan National University, Milyang, 50463, Korea
| | - In Been Yang
- Department of Horticulture Industry, Wonkwang University, Iksan, 54538, Republic of Korea
| | - Hye Bhin Eo
- Department of Horticulture Industry, Wonkwang University, Iksan, 54538, Republic of Korea
| | - Kyung Lyung Baek
- Department of Horticulture Industry, Wonkwang University, Iksan, 54538, Republic of Korea
| | - Seonghoe Jang
- World Vegetable Center Korea Office (WKO), Wanju-gun, Jeollabuk-do, 55365, Republic of Korea
| | - Assaf Eybishitz
- World Vegetable Center, P.O. Box 42, Tainan, 74199, Shanhua, Taiwan
| | - Ho Cheol Kim
- Department of Horticulture Industry, Wonkwang University, Iksan, 54538, Republic of Korea
| | - Byeong Il Je
- Department of Horticultural and Life Science, Pusan National University, Milyang, 50463, Korea
| | - Soon Ju Park
- Division of Applied Life Science (BK21 Four), Plant Molecular Biology and Biotechnology Research Center (PMBBRC), Gyeongsang National University, Jinju, Korea
| | - Chul Min Kim
- Department of Horticulture Industry, Wonkwang University, Iksan, 54538, Republic of Korea.
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3
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Liu Z, Cheng J. C 4 rice engineering, beyond installing a C 4 cycle. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2024; 206:108256. [PMID: 38091938 DOI: 10.1016/j.plaphy.2023.108256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 11/28/2023] [Accepted: 11/30/2023] [Indexed: 02/15/2024]
Abstract
C4 photosynthesis in higher plants is carried out by two distinct cell types: mesophyll cells and bundle sheath cells, as a result highly concentrated carbon dioxide is released surrounding RuBisCo in chloroplasts of bundle sheath cells and the photosynthetic efficiency is significantly higher than that of C3 plants. The evolution of the dual-cell C4 cycle involved complex modifications to leaf anatomy and cell ultra-structures. These include an increase in leaf venation, the formation of Kranz anatomy, changes in chloroplast morphology in bundle sheath cells, and increases in the density of plasmodesmata at interfaces between the bundle sheath and mesophyll cells. It is predicted that cereals will be in severe worldwide shortage at the mid-term of this century. Rice is a staple food that feeds more than half of the world's population. If rice can be engineered to perform C4 photosynthesis, it is estimated that rice yield will be increased by at least 50% due to enhanced photosynthesis. Thus, the Second Green Revolution has been launched on this principle by genetically installing C4 photosynthesis into C3 crops. The studies on molecular mechanisms underlying the changes in leaf morphoanatomy involved in C4 photosynthesis have made great progress in recent years. As there are plenty of reviews discussing the installment of the C4 cycle, we focus on the current progress and challenges posed to the research regarding leaf anatomy and cell ultra-structure modifications made towards the development of C4 rice.
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Affiliation(s)
- Zheng Liu
- State Key Laboratory of North China Crop Improvement and Regulation, College of Agronomy, Hebei Agricultural University, Baoding, 071001, China.
| | - Jinjin Cheng
- College of Agronomy, Shanxi Agricultural University, Jinzhong, 030801, China
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4
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Wu H, Galli M, Spears CJ, Zhan J, Liu P, Yadegari R, Dannenhoffer JM, Gallavotti A, Becraft PW. NAKED ENDOSPERM1, NAKED ENDOSPERM2, and OPAQUE2 interact to regulate gene networks in maize endosperm development. THE PLANT CELL 2023; 36:19-39. [PMID: 37795691 PMCID: PMC10734603 DOI: 10.1093/plcell/koad247] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Revised: 08/11/2023] [Accepted: 08/14/2023] [Indexed: 10/06/2023]
Abstract
NAKED ENDOSPERM1 (NKD1), NKD2, and OPAQUE2 (O2) are transcription factors important for cell patterning and nutrient storage in maize (Zea mays) endosperm. To study the complex regulatory interrelationships among these 3 factors in coregulating gene networks, we developed a set of nkd1, nkd2, and o2 homozygous lines, including all combinations of mutant and wild-type genes. Among the 8 genotypes tested, we observed diverse phenotypes and gene interactions affecting cell patterning, starch content, and storage proteins. From ∼8 to ∼16 d after pollination, maize endosperm undergoes a transition from cellular development to nutrient accumulation for grain filling. Gene network analysis showed that NKD1, NKD2, and O2 dynamically regulate a hierarchical gene network during this period, directing cellular development early and then transitioning to constrain cellular development while promoting the biosynthesis and storage of starch, proteins, and lipids. Genetic interactions regulating this network are also dynamic. The assay for transposase-accessible chromatin using sequencing (ATAC-seq) showed that O2 influences the global regulatory landscape, decreasing NKD1 and NKD2 target site accessibility, while NKD1 and NKD2 increase O2 target site accessibility. In summary, interactions of NKD1, NKD2, and O2 dynamically affect the hierarchical gene network and regulatory landscape during the transition from cellular development to grain filling in maize endosperm.
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Affiliation(s)
- Hao Wu
- Genetics, Development and Cell Biology Department, Iowa State University, Ames, IA 50011, USA
| | - Mary Galli
- Waksman Institute of Microbiology, Rutgers University, Piscataway, NJ 08901-8520, USA
| | - Carla J Spears
- Department of Biology, Central Michigan University, Mount Pleasant, MI 48859, USA
| | - Junpeng Zhan
- School of Plant Sciences, University of Arizona, Tucson, AZ 85721, USA
| | - Peng Liu
- Department of Statistics, Iowa State University, Ames, IA 50011, USA
| | - Ramin Yadegari
- School of Plant Sciences, University of Arizona, Tucson, AZ 85721, USA
| | | | - Andrea Gallavotti
- Waksman Institute of Microbiology, Rutgers University, Piscataway, NJ 08901-8520, USA
- Department of Plant Biology, Rutgers University, New Brunswick, NJ
| | - Philip W Becraft
- Genetics, Development and Cell Biology Department, Iowa State University, Ames, IA 50011, USA
- Department of Agronomy, Iowa State University, Ames, IA 50011, USA
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5
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Liu Q, Teng S, Deng C, Wu S, Li H, Wang Y, Wu J, Cui X, Zhang Z, Quick WP, Brutnell TP, Sun X, Lu T. SHORT ROOT and INDETERMINATE DOMAIN family members govern PIN-FORMED expression to regulate minor vein differentiation in rice. THE PLANT CELL 2023; 35:2848-2870. [PMID: 37154077 PMCID: PMC10396363 DOI: 10.1093/plcell/koad125] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 03/08/2023] [Accepted: 04/02/2023] [Indexed: 05/10/2023]
Abstract
C3 and C4 grasses directly and indirectly provide the vast majority of calories to the human diet, yet our understanding of the molecular mechanisms driving photosynthetic productivity in grasses is largely unexplored. Ground meristem cells divide to form mesophyll or vascular initial cells early in leaf development in C3 and C4 grasses. Here we define a genetic circuit composed of SHORT ROOT (SHR), INDETERMINATE DOMAIN (IDD), and PIN-FORMED (PIN) family members that specifies vascular identify and ground cell proliferation in leaves of both C3 and C4 grasses. Ectopic expression and loss-of-function mutant studies of SHR paralogs in the C3 plant Oryza sativa (rice) and the C4 plant Setaria viridis (green millet) revealed the roles of these genes in both minor vein formation and ground cell differentiation. Genetic and in vitro studies further suggested that SHR regulates this process through its interactions with IDD12 and 13. We also revealed direct interactions of these IDD proteins with a putative regulatory element within the auxin transporter gene PIN5c. Collectively, these findings indicate that a SHR-IDD regulatory circuit mediates auxin transport by negatively regulating PIN expression to modulate minor vein patterning in the grasses.
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Affiliation(s)
- Qiming Liu
- Biotechnology Research Institute (BRI), Chinese Academy of Agricultural Sciences (CAAS), Beijing 100081, China
- Joint Laboratory for Photosynthesis Enhancement and C4 Rice Development, BRI, CAAS, Beijing 100081, China
| | - Shouzhen Teng
- Biotechnology Research Institute (BRI), Chinese Academy of Agricultural Sciences (CAAS), Beijing 100081, China
- Joint Laboratory for Photosynthesis Enhancement and C4 Rice Development, BRI, CAAS, Beijing 100081, China
| | - Chen Deng
- Joint Laboratory for Photosynthesis Enhancement and C4 Rice Development, BRI, CAAS, Beijing 100081, China
| | - Suting Wu
- Biotechnology Research Institute (BRI), Chinese Academy of Agricultural Sciences (CAAS), Beijing 100081, China
- Joint Laboratory for Photosynthesis Enhancement and C4 Rice Development, BRI, CAAS, Beijing 100081, China
| | - Haoshu Li
- Biotechnology Research Institute (BRI), Chinese Academy of Agricultural Sciences (CAAS), Beijing 100081, China
- Joint Laboratory for Photosynthesis Enhancement and C4 Rice Development, BRI, CAAS, Beijing 100081, China
| | - Yanwei Wang
- Joint Laboratory for Photosynthesis Enhancement and C4 Rice Development, BRI, CAAS, Beijing 100081, China
| | - Jinxia Wu
- Biotechnology Research Institute (BRI), Chinese Academy of Agricultural Sciences (CAAS), Beijing 100081, China
- Joint Laboratory for Photosynthesis Enhancement and C4 Rice Development, BRI, CAAS, Beijing 100081, China
| | - Xuean Cui
- Biotechnology Research Institute (BRI), Chinese Academy of Agricultural Sciences (CAAS), Beijing 100081, China
- Joint Laboratory for Photosynthesis Enhancement and C4 Rice Development, BRI, CAAS, Beijing 100081, China
| | - Zhiguo Zhang
- Biotechnology Research Institute (BRI), Chinese Academy of Agricultural Sciences (CAAS), Beijing 100081, China
- Joint Laboratory for Photosynthesis Enhancement and C4 Rice Development, BRI, CAAS, Beijing 100081, China
| | - William Paul Quick
- Joint Laboratory for Photosynthesis Enhancement and C4 Rice Development, BRI, CAAS, Beijing 100081, China
- C4 Rice Centre, International Rice Research Institute, Los Banos, Laguna 4030, Philippines
- Department of Animal and Plant Sciences, University of Sheffield, Sheffield S10 2TN, UK
| | - Thomas P Brutnell
- Joint Laboratory for Photosynthesis Enhancement and C4 Rice Development, BRI, CAAS, Beijing 100081, China
| | - Xuehui Sun
- Biotechnology Research Institute (BRI), Chinese Academy of Agricultural Sciences (CAAS), Beijing 100081, China
- Joint Laboratory for Photosynthesis Enhancement and C4 Rice Development, BRI, CAAS, Beijing 100081, China
| | - Tiegang Lu
- Biotechnology Research Institute (BRI), Chinese Academy of Agricultural Sciences (CAAS), Beijing 100081, China
- Joint Laboratory for Photosynthesis Enhancement and C4 Rice Development, BRI, CAAS, Beijing 100081, China
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6
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Khan SI, Yamada R, Shiroma R, Abe T, Kozaki A. Properties of INDETERMINATE DOMAIN Proteins from Physcomitrium patens: DNA-Binding, Interaction with GRAS Proteins, and Transcriptional Activity. Genes (Basel) 2023; 14:1249. [PMID: 37372429 DOI: 10.3390/genes14061249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 06/02/2023] [Accepted: 06/05/2023] [Indexed: 06/29/2023] Open
Abstract
INDETERMINATE DOMAIN (IDD) proteins are plant-specific transcription factors that interact with GRAS proteins, such as DELLA and SHORT ROOT (SHR), to regulate target genes. The combination of IDD and DELLA proteins regulates genes involved in gibberellic acid (GA) synthesis and GA signaling, whereas the combination of IDD with the complex of SHR and SCARECROW, another GRAS protein, regulates genes involved in root tissue formation. Previous bioinformatic research identified seven IDDs, two DELLA, and two SHR genes in Physcomitrium patens, a model organism for non-vascular plants (bryophytes), which lack a GA signaling pathway and roots. In this study, DNA-binding properties and protein-protein interaction of IDDs from P. patens (PpIDD) were analyzed. Our results showed that the DNA-binding properties of PpIDDs were largely conserved between moss and seed plants. Four PpIDDs showed interaction with Arabidopsis DELLA (AtDELLA) proteins but not with PpDELLAs, and one PpIDD showed interaction with PpSHR but not with AtSHR. Moreover, AtIDD10 (JACKDAW) interacted with PpSHR but not with PpDELLAs. Our results indicate that DELLA proteins have modified their structure to interact with IDD proteins during evolution from moss lineage to seed plants, whereas the interaction of IDD and SHR was already present in moss lineage.
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Affiliation(s)
- Saiful Islam Khan
- Graduate School of Science and Technology, Shizuoka University, Ohya 836, Suruga-ku, Shizuoka 422-8021, Japan
| | - Ren Yamada
- Department of Biological Science, Faculty of Science, Shizuoka University, Ohya 836, Suruga-ku, Shizuoka 422-8021, Japan
| | - Ryoichi Shiroma
- Course of Bioscience, Department of Science, Graduate School of Integrated Science and Technology, Shizuoka University, Ohya 836, Suruga-ku, Shizuoka 422-8021, Japan
| | - Tatsuki Abe
- Course of Bioscience, Department of Science, Graduate School of Integrated Science and Technology, Shizuoka University, Ohya 836, Suruga-ku, Shizuoka 422-8021, Japan
| | - Akiko Kozaki
- Graduate School of Science and Technology, Shizuoka University, Ohya 836, Suruga-ku, Shizuoka 422-8021, Japan
- Department of Biological Science, Faculty of Science, Shizuoka University, Ohya 836, Suruga-ku, Shizuoka 422-8021, Japan
- Course of Bioscience, Department of Science, Graduate School of Integrated Science and Technology, Shizuoka University, Ohya 836, Suruga-ku, Shizuoka 422-8021, Japan
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7
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Feng X, Yu Q, Zeng J, He X, Ma W, Ge L, Liu W. Comprehensive Analysis of the INDETERMINATE DOMAIN (IDD) Gene Family and Their Response to Abiotic Stress in Zea mays. Int J Mol Sci 2023; 24:ijms24076185. [PMID: 37047154 PMCID: PMC10094743 DOI: 10.3390/ijms24076185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 03/20/2023] [Accepted: 03/23/2023] [Indexed: 03/29/2023] Open
Abstract
Transcription factors (TFs) are important regulators of numerous gene expressions due to their ability to recognize and combine cis-elements in the promoters of target genes. The INDETERMINATE DOMAIN (IDD) gene family belongs to a subfamily of C2H2 zinc finger proteins and has been identified only in terrestrial plants. Nevertheless, little study has been reported concerning the genome-wide analysis of the IDD gene family in maize. In total, 22 ZmIDD genes were identified, which can be distributed on 8 chromosomes in maize. On the basis of evolutionary relationships and conserved motif analysis, ZmIDDs were categorized into three clades (1, 2, and 3), each owning 4, 6, and 12 genes, respectively. We analyzed the characteristics of gene structure and found that 3 of the 22 ZmIDD genes do not contain an intron. Cis-element analysis of the ZmIDD promoter showed that most ZmIDD genes possessed at least one ABRE or MBS cis-element, and some ZmIDD genes owned the AuxRR-core, TCA-element, TC-rich repeats, and LTR cis-element. The Ka:Ks ratio of eight segmentally duplicated gene pairs demonstrated that the ZmIDD gene families had undergone a purifying selection. Then, the transcription levels of ZmIDDs were analyzed, and they showed great differences in diverse tissues as well as abiotic stresses. Furthermore, regulatory networks were constructed through the prediction of ZmIDD-targeted genes and miRNAs, which can inhibit the transcription of ZmIDDs. In total, 6 ZmIDDs and 22 miRNAs were discovered, which can target 180 genes and depress the expression of 9 ZmIDDs, respectively. Taken together, the results give us valuable information for studying the function of ZmIDDs involved in plant development and climate resilience in maize.
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8
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Guo X, Zhou M, Chen J, Shao M, Zou L, Ying Y, Liu S. Genome-Wide Identification of the Highly Conserved INDETERMINATE DOMAIN ( IDD) Zinc Finger Gene Family in Moso Bamboo ( Phyllostachys edulis). Int J Mol Sci 2022; 23:ijms232213952. [PMID: 36430436 PMCID: PMC9695771 DOI: 10.3390/ijms232213952] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2022] [Revised: 11/05/2022] [Accepted: 11/10/2022] [Indexed: 11/16/2022] Open
Abstract
INDETERMINATE DOMAIN (IDD) proteins, a family of transcription factors unique to plants, function in multiple developmental processes. Although the IDD gene family has been identified in many plants, little is known about it in moso bamboo. In this present study, we identified 32 PheIDD family genes in moso bamboo and randomly sequenced the full-length open reading frames (ORFs) of ten PheIDDs. All PheIDDs shared a highly conserved IDD domain that contained two canonical C2H2-ZFs, two C2HC-ZFs, and a nuclear localization signal. Collinearity analysis showed that segmental duplication events played an important role in expansion of the PheIDD gene family. Synteny analysis indicated that 30 PheIDD genes were orthologous to those of rice (Oryza sativa). Thirty PheIDDs were expressed at low levels, and most PheIDDs exhibited characteristic organ-specific expression patterns. Despite their diverse expression patterns in response to exogenous plant hormones, 8 and 22 PheIDDs responded rapidly to IAA and 6-BA treatments, respectively. The expression levels of 23 PheIDDs were closely related to the outgrowth of aboveground branches and 20 PheIDDs were closely related to the awakening of underground dormant buds. In addition, we found that the PheIDD21 gene generated two products by alternative splicing. Both isoforms interacted with PheDELLA and PheSCL3. Furthermore, both isoforms could bind to the cis-elements of three genes (PH02Gene17121, PH02Gene35441, PH02Gene11386). Taken together, our work provides valuable information for studying the molecular breeding mechanism of lateral organ development in moso bamboo.
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Liu J, Shu D, Tan Z, Ma M, Guo N, Gao S, Duan G, Kuai B, Hu Y, Li S, Cui D. The Arabidopsis IDD14 transcription factor interacts with bZIP-type ABFs/AREBs and cooperatively regulates ABA-mediated drought tolerance. THE NEW PHYTOLOGIST 2022; 236:929-942. [PMID: 35842794 DOI: 10.1111/nph.18381] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Accepted: 07/11/2022] [Indexed: 06/15/2023]
Abstract
The INDETERMINATE DOMAIN (IDD) transcription factors mediate various aspects of plant growth and development. We previously reported that an Arabidopsis IDD subfamily regulates spatial auxin accumulation, and thus organ morphogenesis and gravitropic responses. However, its functions in stress responses are not well defined. Here, we use a combination of physiological, biochemical, molecular, and genetic approaches to provide evidence that the IDD14 cooperates with basic leucine zipper-type binding factors/ABA-responsive element (ABRE)-binding proteins (ABRE-binding factors (ABFs)/AREBs) in ABA-mediated drought tolerance. idd14-1D, a gain-of-function mutant of IDD14, exhibits decreased leaf water loss and improved drought tolerance, whereas inactivation of IDD14 in idd14-1 results in increased transpiration and reduced drought tolerance. Altered IDD14 expression affects ABA sensitivity and ABA-mediated stomatal closure. IDD14 can physically interact with ABF1-4 and subsequently promote their transcriptional activities. Moreover, ectopic expression and mutation of ABFs could, respectively, suppress and enhance plant sensitivity to drought stress in the idd14-1 mutant. Our results demonstrate that IDD14 forms a functional complex with ABFs and positively regulates drought-stress responses, thus revealing a previously unidentified role of IDD14 in ABA signaling and drought responses.
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Affiliation(s)
- Jing Liu
- School of Life Sciences, Qilu Normal University, Jinan, 250200, China
| | - Defeng Shu
- School of Life Sciences, Qilu Normal University, Jinan, 250200, China
| | - Zilong Tan
- School of Life Sciences, Qilu Normal University, Jinan, 250200, China
| | - Mei Ma
- School of Life Sciences, Qilu Normal University, Jinan, 250200, China
| | - Ning Guo
- School of Life Sciences, Qilu Normal University, Jinan, 250200, China
- School of Life Sciences, Shandong Normal University, Jinan, 250014, China
| | - Shan Gao
- School of Life Sciences, Qilu Normal University, Jinan, 250200, China
| | - Guangyou Duan
- School of Life Sciences, Qilu Normal University, Jinan, 250200, China
| | - Benke Kuai
- State Key Laboratory of Genetic Engineering and Fudan Center for Genetic Diversity and Designing Agriculture, School of Life Sciences, Fudan University, Shanghai, 200438, China
| | - Yuxin Hu
- Key Laboratory of Plant Molecular Physiology, Institute of Botany, Chinese Academy of Sciences, Beijing, 100093, China
| | - Shipeng Li
- School of Life Sciences, Qilu Normal University, Jinan, 250200, China
| | - Dayong Cui
- School of Life Sciences, Qilu Normal University, Jinan, 250200, China
- School of Life Sciences, Shandong Normal University, Jinan, 250014, China
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Regulators of early maize leaf development inferred from transcriptomes of laser capture microdissection (LCM)-isolated embryonic leaf cells. Proc Natl Acad Sci U S A 2022; 119:e2208795119. [PMID: 36001691 PMCID: PMC9436337 DOI: 10.1073/pnas.2208795119] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
The superior photosynthetic efficiency of C4 leaves over C3 leaves is owing to their unique Kranz anatomy, in which the vein is surrounded by one layer of bundle sheath (BS) cells and one layer of mesophyll (M) cells. Kranz anatomy development starts from three contiguous ground meristem (GM) cells, but its regulators and underlying molecular mechanism are largely unknown. To identify the regulators, we obtained the transcriptomes of 11 maize embryonic leaf cell types from five stages of pre-Kranz cells starting from median GM cells and six stages of pre-M cells starting from undifferentiated cells. Principal component and clustering analyses of transcriptomic data revealed rapid pre-Kranz cell differentiation in the first two stages but slow differentiation in the last three stages, suggesting early Kranz cell fate determination. In contrast, pre-M cells exhibit a more prolonged transcriptional differentiation process. Differential gene expression and coexpression analyses identified gene coexpression modules, one of which included 3 auxin transporter and 18 transcription factor (TF) genes, including known regulators of Kranz anatomy and/or vascular development. In situ hybridization of 11 TF genes validated their expression in early Kranz development. We determined the binding motifs of 15 TFs, predicted TF target gene relationships among the 18 TF and 3 auxin transporter genes, and validated 67 predictions by electrophoresis mobility shift assay. From these data, we constructed a gene regulatory network for Kranz development. Our study sheds light on the regulation of early maize leaf development and provides candidate leaf development regulators for future study.
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Jiang Y, Chen J, Zheng X, Tan B, Ye X, Wang W, Zhang L, Li J, Li Z, Cheng J, Feng J. Multiple indeterminate domain (IDD)-DELLA1 complexes participate in gibberellin feedback regulation in peach. PLANT MOLECULAR BIOLOGY 2022; 109:147-157. [PMID: 35362935 DOI: 10.1007/s11103-022-01263-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Accepted: 03/10/2022] [Indexed: 06/14/2023]
Abstract
Peach encodes 14 INDETERMINATE DOMAIN (IDD) transcription factors. PpIDD4, -12 and -13 mediated PpDELLA1 binding to the PpGA20ox1 promoter. Each of these three PpIDD-DELLA1 complexes activated transcription of PpGA20ox1. PpTPR1 and -4 interrupted the interaction of PpIDDs with PpDELLA1. The plant growth regulator gibberellin (GA) plays an important role in the rapid growth of annual shoots in peach. Our previous study showed that the peach cultivar 'FenHuaShouXingTao' (FHSXT), a gibberellic acid receptor (gid1) mutant, accumulates active GAs in annual shoot tips. This mutant enhances GA feedback regulation in peach. The results of this study suggested that the PpIDD-DELLA1 complex is the underlying mechanism of GA feedback regulation in peach. Fourteen IDD genes were identified in peach, and three PpIDDs (PpIDD4, -12 and -13, all from group IV) interacted with PpDELLA1, an important component in GA signaling pathway. Truncation, segmentation and site mutation of the promoter of PpGA20ox1 (a GA biosynthesis gene) showed that all three PpIDD proteins recognized the core motif TTGTC. PpIDD4 and -13 mainly bind to site 3, while PpIDD12 binds to site 5 of the PpGA20ox1 promoter. All three PpIDD-DELLA1 complexes activated the PpGA20ox1 promoter-LUC fusion. These data suggested that PpIDDs bridge PpDELLA1 and the promoter of PpGA20ox1, which then activated the transcription of PpGA20ox1. In addition, PpTPR1 and -4 disrupted the interaction of PpIDDs with PpDELLA1. Our research will be helpful for understanding and possibly modifying the regulation of annual shoot growth and GA biosynthesis.
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Affiliation(s)
- Yajun Jiang
- College of Horticulture, Henan Agricultural University, 95 Wenhua Road, Zhengzhou, 450002, Henan Province, China
| | - Jiajia Chen
- College of Horticulture, Henan Agricultural University, 95 Wenhua Road, Zhengzhou, 450002, Henan Province, China
| | - Xianbo Zheng
- College of Horticulture, Henan Agricultural University, 95 Wenhua Road, Zhengzhou, 450002, Henan Province, China
| | - Bin Tan
- College of Horticulture, Henan Agricultural University, 95 Wenhua Road, Zhengzhou, 450002, Henan Province, China
| | - Xia Ye
- College of Horticulture, Henan Agricultural University, 95 Wenhua Road, Zhengzhou, 450002, Henan Province, China
| | - Wei Wang
- College of Horticulture, Henan Agricultural University, 95 Wenhua Road, Zhengzhou, 450002, Henan Province, China
| | - Langlang Zhang
- College of Horticulture, Henan Agricultural University, 95 Wenhua Road, Zhengzhou, 450002, Henan Province, China
| | - Jidong Li
- College of Horticulture, Henan Agricultural University, 95 Wenhua Road, Zhengzhou, 450002, Henan Province, China
| | - Zhiqian Li
- College of Horticulture, Henan Agricultural University, 95 Wenhua Road, Zhengzhou, 450002, Henan Province, China
| | - Jun Cheng
- College of Horticulture, Henan Agricultural University, 95 Wenhua Road, Zhengzhou, 450002, Henan Province, China.
| | - Jiancan Feng
- College of Horticulture, Henan Agricultural University, 95 Wenhua Road, Zhengzhou, 450002, Henan Province, China.
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12
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Shuai Y, Feng G, Yang Z, Liu Q, Han J, Xu X, Nie G, Huang L, Zhang X. Genome-wide identification of C2H2-type zinc finger gene family members and their expression during abiotic stress responses in orchardgrass ( Dactylis glomerata). Genome 2022; 65:189-203. [PMID: 35104149 DOI: 10.1139/gen-2020-0201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The C2H2-type zinc finger protein (ZFP) family is one of the largest transcription factor families in the plant kingdom and its members are involved in plant growth, development, and stress responses. As an economically valuable perennial graminaceous forage crop, orchardgrass (Dactylis glomerata) is an important feedstuff resource owing to its high yield and quality. In this study, 125 C2H2-type ZFPs in orchardgrass (Dg-ZFPs) were identified and further classified by phylogenetic analysis. The members with similar gene structures were generally clustered into the same groups, with proteins containing the conserved QALGGH motif being concentrated in groups VIII and IX. Gene ontology and miRNA target analyses indicated that Dg-ZFPs likely perform diverse biological functions through their gene interactions. The RNA-seq data revealed differentially expressed genes across tissues and development phases, suggesting that some Dg-ZFPs might participate in growth and development regulation. Abiotic stress responses of Dg-ZFP genes were verified by qPCR and Saccharomyces cerevisiae transformation, revealing that Dg-ZFP125 could enhance the tolerance of yeasts to osmotic and salt stresses. Our study performed a novel systematic analysis of Dg-ZFPs in orchardgrass, providing a reference for this gene family in other grasses and revealing new insights for enhancing gene utilization.
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Affiliation(s)
- Yang Shuai
- College of Grassland Science and Technology, Sichuan Agricultural University, Chengdu, 611130, China.,College of Grassland Science and Technology, Sichuan Agricultural University, Chengdu, 611130, China
| | - Guangyan Feng
- College of Grassland Science and Technology, Sichuan Agricultural University, Chengdu, 611130, China.,College of Grassland Science and Technology, Sichuan Agricultural University, Chengdu, 611130, China
| | - Zhongfu Yang
- College of Grassland Science and Technology, Sichuan Agricultural University, Chengdu, 611130, China.,College of Grassland Science and Technology, Sichuan Agricultural University, Chengdu, 611130, China
| | - Qiuxu Liu
- College of Grassland Science and Technology, Sichuan Agricultural University, Chengdu, 611130, China.,College of Grassland Science and Technology, Sichuan Agricultural University, Chengdu, 611130, China
| | - Jiating Han
- College of Grassland Science and Technology, Sichuan Agricultural University, Chengdu, 611130, China.,College of Grassland Science and Technology, Sichuan Agricultural University, Chengdu, 611130, China
| | - Xiaoheng Xu
- College of Grassland Science and Technology, Sichuan Agricultural University, Chengdu, 611130, China.,College of Grassland Science and Technology, Sichuan Agricultural University, Chengdu, 611130, China
| | - Gang Nie
- College of Grassland Science and Technology, Sichuan Agricultural University, Chengdu, 611130, China.,College of Grassland Science and Technology, Sichuan Agricultural University, Chengdu, 611130, China
| | - Linkai Huang
- College of Grassland Science and Technology, Sichuan Agricultural University, Chengdu, 611130, China.,College of Grassland Science and Technology, Sichuan Agricultural University, Chengdu, 611130, China
| | - Xinquan Zhang
- College of Grassland Science and Technology, Sichuan Agricultural University, Chengdu, 611130, China.,College of Grassland Science and Technology, Sichuan Agricultural University, Chengdu, 611130, China
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13
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Ito T, Fukazawa J. SCARECROW-LIKE3 regulates the transcription of gibberellin-related genes by acting as a transcriptional co-repressor of GAI-ASSOCIATED FACTOR1. PLANT MOLECULAR BIOLOGY 2021; 105:463-482. [PMID: 33474657 DOI: 10.1007/s11103-020-01101-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2020] [Accepted: 12/01/2020] [Indexed: 06/12/2023]
Abstract
SCL3 inhibits transcriptional activity of IDD-DELLA complex by acting as a co-repressor and repression activity is enhanced in the presence of GAF1 in a TOPLESS-independent manner. GRAS [GIBBERELLIN-INSENSITIVE (GAI), REPRESSOR OF ga1-3 (RGA) and SCARECROW (SCR)] proteins are a family of plant-specific transcriptional regulators that play diverse roles in development and signaling. GRAS family DELLA proteins act as growth repressors by inhibiting gibberellin (GA) signaling in response to developmental and environmental cues. DELLAs also act as co-activators of transcription factor GAI-ASSOCIATED FACTOR1 (GAF1)/INDETERMINATE DOMAIN2 (IDD2), the GAF1-DELLA complex activating transcription of GAF1 target genes. GAF1 also interacts with TOPLESS (TPL), a transcriptional co-repressor, in the absence of DELLA, the GAF1-TPL complex repressing transcription of the target genes. SCARECROW-LIKE3 (SCL3), another member of the GRAS family, is thought to inhibit transcriptional activity of the IDD-DELLA complex through competitive interaction with IDD. Here, we also revealed that SCL3 inhibits transcriptional activation by the GAF1-DELLA complex via repression activity rather than via competitive inhibition of the GAF1-DELLA interaction. Moreover, the repression activity of SCL3 was enhanced by GAF1 in a TPL-independent manner. While the GRAS domain of DELLA has transcriptional activation activity, that of SCL3 has repression activity. SCL3 also inhibited transcriptional activity of GAF1-RGA fusion proteins. Results from the co-immunoprecipitation assays and the yeast three-hybrid assay suggested the possibility that SCL3 forms a ternary complex with GAF1 and DELLA. These findings provide important information on DELLA-regulated GA signaling and new insight into the transcriptional repression mechanism.
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Affiliation(s)
- Takeshi Ito
- Graduate School of Integrated Sciences for Life, Hiroshima University, Kagamiyama, Higashi-Hiroshima, Hiroshima, 739-8526, Japan.
| | - Jutarou Fukazawa
- Graduate School of Integrated Sciences for Life, Hiroshima University, Kagamiyama, Higashi-Hiroshima, Hiroshima, 739-8526, Japan
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14
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Lu Y, Zeng J, Liu Q. The Rice miR396-GRF-GIF-SWI/SNF Module: A Player in GA Signaling. FRONTIERS IN PLANT SCIENCE 2021; 12:786641. [PMID: 35087553 PMCID: PMC8786800 DOI: 10.3389/fpls.2021.786641] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Accepted: 12/13/2021] [Indexed: 05/13/2023]
Abstract
Rice Growth-Regulating Factors (GRFs) were originally identified to be gibberellin (GA)-induced, but the nature of GA induction has remained unknown because most reports thereafter focused on revealing their roles in growth-promoting activities. GRFs have the WRC (Trp, Arg, Cys) domain to target DNA and contain the QLQ (Gln, Leu, Gln) domain to interact with GRF-Interacting Factor (GIF), which recruits ATP-dependent DNA translocase Switch/Sucrose Non-fermenting (SWI/SNF) for chromatin remodeling. Both GRFs and GIFs exhibit transcriptional activities but GIFs lack a DNA-binding domain. So, GRFs act like a navigator in the GRF-GIF-SWI/SNF complex, determining when and where the complex should work on. The levels of most rice GRFs can be sensitively regulated by miR396, which responds to many developmental and environmental factors. Recent clues from several studies highlight the original question of how GRFs participate in GA signaling. DELLA (contain DELLA motif) protein plays dual roles in controlling the level of GRFs by regulating the level of miR396 and interacting with GRFs. Here we address the question of why this complex plays an essential role in controlling plant growth focusing on the action of GA signaling pivot, DELLA.
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Affiliation(s)
- Yuzhu Lu
- College of Bioscience and Biotechnology, Yangzhou University, Yangzhou, China
- Joint International Research Laboratory of Agriculture and Agri-Product Safety, The Ministry of Education of China, Yangzhou University, Yangzhou, China
- *Correspondence: Yuzhu Lu
| | - Jia Zeng
- College of Bioscience and Biotechnology, Yangzhou University, Yangzhou, China
| | - Qiaoquan Liu
- Key Laboratory of Plant Functional Genomics of the Ministry of Education, College of Agriculture, Yangzhou University, Yangzhou, China
- Qiaoquan Liu
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15
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Zhang T, Tan M, Geng L, Li J, Xiang Y, Zhang B, Zhao Y. New insight into comprehensive analysis of INDETERMINATE DOMAIN (IDD) gene family in rice. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2020; 154:547-556. [PMID: 32912488 DOI: 10.1016/j.plaphy.2020.06.032] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Revised: 06/17/2020] [Accepted: 06/17/2020] [Indexed: 06/11/2023]
Abstract
The INDETERMINATE DOMAIN (IDD) transcription factor (TF), as a family of plant-specific zinc-finger proteins, regulates a variety of development processes and abiotic stresses in plants. IDD genes have been identified and characterized in other plants, however, the rice IDD family genes have not been investigated at genome-wide. In this study, 15 OsIDD genes were identified in rice genome and phylogenetically classified into two groups. Conserved motifs and potential interaction protein analysis about OsIDD proteins were carried out. Exon-intron structures, cis-acting elements and expression profiles of OsIDD genes were also examined. Exon-intron structures analysis revealed that overall structures of OsIDD genes were relatively conserved although they contained different numbers of introns. Cis-acting elements analysis suggested that most OsIDD gene transcripts could be induced by various abiotic stresses and phytohormones. The expression patterns of OsIDD genes were detected by qRT-PCR under cold and drought conditions, and by exogenous auxin (2,4-D), gibberellin (GA3), and abscisic acid (ABA) treatments, respectively. The results showed that the OsIDDs might play essential roles under abiotic stresses and hormone responses. Distinct expression profiles in tissues/organs suggested that OsIDDs might be involved in different development processes in rice. More interestingly, the prediction of protein-protein interactions (PPIs) revealed OsIDDs could cooperate with some histone modifiers. Yeast two-hybrid assays were performed and confirmed it. Collectively, these results provide a foundation for further elucidation on the molecular mechanisms of OsIDD genes and advance our understanding of their biological function in rice.
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Affiliation(s)
- Ting Zhang
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, 430070, Wuhan, China
| | - Mingfang Tan
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, 430070, Wuhan, China
| | - Leping Geng
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, 430070, Wuhan, China
| | - Jiajia Li
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, 430070, Wuhan, China
| | - Yimeng Xiang
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, 430070, Wuhan, China
| | - Bang Zhang
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, 430070, Wuhan, China
| | - Yu Zhao
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, 430070, Wuhan, China.
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16
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Kong W, Yoo MJ, Zhu D, Noble JD, Kelley TM, Li J, Kirst M, Assmann SM, Chen S. Molecular changes in Mesembryanthemum crystallinum guard cells underlying the C 3 to CAM transition. PLANT MOLECULAR BIOLOGY 2020; 103:653-667. [PMID: 32468353 DOI: 10.1007/s11103-020-01016-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Accepted: 05/17/2020] [Indexed: 05/14/2023]
Abstract
KEY MESSAGE: The timing and transcriptomic changes during the C3 to CAM transition of common ice plant support the notion that guard cells themselves can shift from C3 to CAM. Crassulacean acid metabolism (CAM) is a specialized type of photosynthesis: stomata close during the day, enhancing water conservation, and open at night, allowing CO2 uptake. Mesembryanthemum crystallinum (common ice plant) is a facultative CAM species that can shift from C3 photosynthesis to CAM under salt or drought stresses. However, the molecular mechanisms underlying the stress induced transition from C3 to CAM remain unknown. Here we determined the transition time from C3 to CAM in M. crystallinum under salt stress. In parallel, single-cell-type transcriptomic profiling by 3'-mRNA sequencing was conducted in isolated stomatal guard cells to determine the molecular changes in this key cell type during the transition. In total, 495 transcripts showed differential expression between control and salt-treated samples during the transition, including 285 known guard cell genes, seven CAM-related genes, 18 transcription factors, and 185 other genes previously not found to be expressed in guard cells. PEPC1 and PPCK1, which encode key enzymes of CAM photosynthesis, were up-regulated in guard cells after seven days of salt treatment, indicating that guard cells themselves can shift from C3 to CAM. This study provides important information towards introducing CAM stomatal behavior into C3 crops to enhance water use efficiency.
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Affiliation(s)
- Wenwen Kong
- College of Life Sciences, Northeast Agricultural University, Harbin, China
- Department of Biology, Genetics Institute, University of Florida (UF), Gainesville, FL, USA
- Guangdong Province Key Laboratory for Plant Epigenetics, College of Life Science and Oceanography, Shenzhen University, Shenzhen, China
| | - Mi-Jeong Yoo
- Department of Biology, Genetics Institute, University of Florida (UF), Gainesville, FL, USA
| | - Dan Zhu
- Department of Biology, Genetics Institute, University of Florida (UF), Gainesville, FL, USA
- College of Life Science, Key Lab of Plant Biotechnology in Universities of Shandong Province, Qingdao Agricultural University, Qingdao, China
| | - Jerald D Noble
- School of Forest Resources and Conservation, University of Florida, Gainesville, FL, USA
| | - Theresa M Kelley
- Department of Biology, Genetics Institute, University of Florida (UF), Gainesville, FL, USA
| | - Jing Li
- College of Life Sciences, Northeast Agricultural University, Harbin, China
| | - Matias Kirst
- School of Forest Resources and Conservation, University of Florida, Gainesville, FL, USA.
| | - Sarah M Assmann
- Department of Biology, Pennsylvania State University, University Park, PA, USA.
| | - Sixue Chen
- Department of Biology, Genetics Institute, University of Florida (UF), Gainesville, FL, USA.
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17
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Prochetto S, Reinheimer R. Step by step evolution of Indeterminate Domain (IDD) transcriptional regulators: from algae to angiosperms. ANNALS OF BOTANY 2020; 126:85-101. [PMID: 32206771 PMCID: PMC7304464 DOI: 10.1093/aob/mcaa052] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2019] [Accepted: 03/19/2020] [Indexed: 06/10/2023]
Abstract
INTRODUCTION The Indeterminate Domain (IDD) proteins are a plant-specific subclass of C2H2 Zinc Finger transcription factors. Some of these transcription factors play roles in diverse aspects of plant metabolism and development, but the function of most of IDD genes is unknown and the molecular evolution of the subfamily has not been explored in detail. METHODS In this study, we mined available genome sequences of green plants (Viridiplantae) to reconstruct the phylogeny and then described the motifs/expression patterns of IDD genes. KEY RESULTS We identified the complete set of IDD genes of 16 Streptophyta genomes. We found that IDD and its sister clade STOP arose by a duplication at the base of Streptophyta. Once on land, the IDD genes duplicated extensively, giving rise to at least ten lineages. Some of these lineages were lost in extant non-vascular plants and gymnosperms, but all of them were retained in angiosperms, duplicating profoundly in dicots and monocots and acquiring, at the same time, surprising heterogeneity in their C-terminal regions and expression patterns. CONCLUSIONS IDDs were present in the last common ancestor of Streptophyta. On land, IDDs duplicated extensively, leading to ten lineages. Later, IDDs were recruited by angiosperms where they diversified greatly in number, C-terminal and expression patterns. Interestingly, such diversification occurred during the evolution of novel traits of the plant body. This study provides a solid framework of the orthology relationships of green land plant IDD transcription factors, thus increasing the accuracy of orthologue identification in model and non-model species and facilitating the identification of agronomically important genes related to plant metabolism and development.
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Affiliation(s)
- Santiago Prochetto
- Fellow of Consejo Nacional de Investigaciones Científicas y Técnicas de la República Argentina (CONICET), FBCB, Santa Fe, Argentina
- Instituto de Agrobiotecnología del Litoral, Universidad Nacional del Litoral, CONICET, FBCB, Santa Fe, Argentina
| | - Renata Reinheimer
- Member of Consejo Nacional de Investigaciones Científicas y Técnicas de la República Argentina (CONICET), FBCB, Santa Fe, Argentinaand
- Instituto de Agrobiotecnología del Litoral, Universidad Nacional del Litoral, CONICET, FBCB, Santa Fe, Argentina
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18
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Vï Lz R, Kim SK, Mi J, Mariappan KG, Siodmak A, Al-Babili S, Hirt H. A Chimeric IDD4 Repressor Constitutively Induces Immunity in Arabidopsis via the Modulation of Salicylic Acid and Jasmonic Acid Homeostasis. PLANT & CELL PHYSIOLOGY 2019; 60:1536-1555. [PMID: 30989238 DOI: 10.1093/pcp/pcz057] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2018] [Accepted: 04/04/2019] [Indexed: 06/09/2023]
Abstract
INDETERMINATE DOMAIN (IDD)/BIRD proteins belong to a highly conserved plant-specific group of transcription factors with dedicated functions in plant physiology and development. Here, we took advantage of the chimeric repressor gene-silencing technology (CRES-T, SRDX) to widen our view on the role of IDD4/IMPERIAL EAGLE and IDD family members in plant immunity. The hypomorphic idd4SRDX lines are compromised in growth and show a robust autoimmune phenotype. Hormonal measurements revealed the concomitant accumulation of salicylic acid and jasmonic acid suggesting that IDDs are involved in regulating the metabolism of these biotic stress hormones. The analysis of immunity-pathways showed enhanced activation of immune MAP kinase-signaling pathways, the accumulation of hydrogen peroxide and spontaneous programmed cell death. The transcriptome of nonelicited idd4SRDX lines can be aligned to approximately 40% of differentially expressed genes (DEGs) in flg22-treated wild-type plants. The pattern of DEGs implies IDDs as pivotal repressors of flg22-dependent gene induction. Infection experiments showed the increased resistance of idd4SRDX lines to Pseudomonas syringae and Botrytis cinerea implying a function of IDDs in defense adaptation to hemibiotrophs and necrotrophs. Genome-wide IDD4 DNA-binding studies (DAP-SEQ) combined with DEG analysis of idd4SRDX lines identified IDD4-regulated functional gene clusters that contribute to plant growth and development. In summary, we discovered that the expression of idd4SRDX activates a wide range of defense-related traits opening up the possibility to apply idd4SRDX as a powerful tool to stimulate innate immunity in engineered crops.
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Affiliation(s)
- Ronny Vï Lz
- Division of Biological and Environmental Sciences and Engineering, Center for Desert Agriculture, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
- Department of Agricultural Biotechnology, Center for Fungal Genetic Resources and Plant Immunity Research Center, Seoul National University, Seoul, Korea
| | - Soon-Kap Kim
- Division of Biological and Environmental Sciences and Engineering, Center for Desert Agriculture, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
| | - Jianing Mi
- Division of Biological and Environmental Sciences and Engineering, Center for Desert Agriculture, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
| | - Kiruthiga G Mariappan
- Division of Biological and Environmental Sciences and Engineering, Center for Desert Agriculture, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
| | - Anna Siodmak
- Division of Biological and Environmental Sciences and Engineering, Center for Desert Agriculture, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
| | - Salim Al-Babili
- Division of Biological and Environmental Sciences and Engineering, Center for Desert Agriculture, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
| | - Heribert Hirt
- Division of Biological and Environmental Sciences and Engineering, Center for Desert Agriculture, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
- Institute of Plant Sciences Paris-Saclay IPS2, CNRS, INRA, Universit� Paris-Sud, Universit� Evry, Universit� Paris-Saclay, B�timent 630, Orsay, France
- Max Perutz Laboratories, University of Vienna, Vienna, Austria
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19
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Kumar M, Le DT, Hwang S, Seo PJ, Kim HU. Role of the INDETERMINATE DOMAIN Genes in Plants. Int J Mol Sci 2019; 20:ijms20092286. [PMID: 31075826 PMCID: PMC6539433 DOI: 10.3390/ijms20092286] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2019] [Revised: 05/03/2019] [Accepted: 05/06/2019] [Indexed: 01/05/2023] Open
Abstract
The INDETERMINATE DOMAIN (IDD) genes comprise a conserved transcription factor family that regulates a variety of developmental and physiological processes in plants. Many recent studies have focused on the genetic characterization of IDD family members and revealed various biological functions, including modulation of sugar metabolism and floral transition, cold stress response, seed development, plant architecture, regulation of hormone signaling, and ammonium metabolism. In this review, we summarize the functions and working mechanisms of the IDD gene family in the regulatory network of metabolism and developmental processes.
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Affiliation(s)
- Manu Kumar
- Department of Bioindustry and Bioresource Engineering, Plant Engineering Research Institute, Sejong University, Seoul 05006, Korea.
| | - Dung Thi Le
- Department of Bioindustry and Bioresource Engineering, Plant Engineering Research Institute, Sejong University, Seoul 05006, Korea.
| | - Seongbin Hwang
- Department of Bioindustry and Bioresource Engineering, Plant Engineering Research Institute, Sejong University, Seoul 05006, Korea.
| | - Pil Joon Seo
- Department of Chemistry, Seoul National University, Seoul 08826, Korea.
| | - Hyun Uk Kim
- Department of Bioindustry and Bioresource Engineering, Plant Engineering Research Institute, Sejong University, Seoul 05006, Korea.
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20
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Su X, Meng T, Zhao Y, Li G, Cheng X, Abdullah M, Sun X, Cai Y, Lin Y. Comparative genomic analysis of the IDD genes in five Rosaceae species and expression analysis in Chinese white pear ( Pyrus bretschneideri). PeerJ 2019; 7:e6628. [PMID: 30941270 PMCID: PMC6440465 DOI: 10.7717/peerj.6628] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2018] [Accepted: 02/15/2019] [Indexed: 12/12/2022] Open
Abstract
The INDETERMINATE DOMAIN (IDD) gene family encodes hybrid transcription factors with distinct zinc finger motifs and appears to be found in all higher plant genomes. IDD genes have been identified throughout the genomes of the model plants Arabidopsis thaliana and Oryza sativa, and the functions of many members of this gene family have been studied. However, few studies have investigated the IDD gene family in Rosaceae species (among these species, a genome-wide identification of the IDD gene family has only been completed in Malus domestica). This study focuses on a comparative genomic analysis of the IDD gene family in five Rosaceae species (Pyrus bretschneideri, Fragaria vesca, Prunus mume, Rubus occidentalis and Prunus avium). We identified a total of 68 IDD genes: 16 genes in Chinese white pear, 14 genes in F. vesca, 13 genes in Prunus mume, 14 genes in R. occidentalis and 11 genes in Prunus avium. The evolution of the IDD genes in these five Rosaceae species was revealed by constructing a phylogenetic tree, tracking gene duplication events, and performing a sliding window analysis and a conserved microsynteny analysis. The expression analysis of different organs showed that most of the pear IDD genes are found at a very high transcription level in fruits, flowers and buds. Based on our results with those obtained in previous research, we speculated that PbIDD2 and PbIDD8 might participate in flowering induction in pear. A temporal expression analysis showed that the expression patterns of PbIDD3 and PbIDD5 were completely opposite to the accumulation pattern of fruit lignin and the stone cell content. The results of the composite phylogenetic tree and expression pattern analysis indicated that PbIDD3 and PbIDD5 might be involved in the metabolism of lignin and secondary cell wall (SCW) formation. In summary, we provide basic information about the IDD genes in five Rosaceae species and thereby provide a theoretical basis for studying the function of these IDD genes.
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Affiliation(s)
- Xueqiang Su
- School of Life Science, Anhui Agricultural University, Hefei, China
| | - Tiankai Meng
- School of Life Sciences and Technology, TongJi University, Shanghai, China
| | - Yu Zhao
- School of Life Science, Anhui Agricultural University, Hefei, China
| | - Guohui Li
- School of Life Science, Anhui Agricultural University, Hefei, China
| | - Xi Cheng
- School of Life Science, Anhui Agricultural University, Hefei, China
| | | | - Xu Sun
- School of Life Science, Anhui Agricultural University, Hefei, China
| | - Yongping Cai
- School of Life Science, Anhui Agricultural University, Hefei, China
| | - Yi Lin
- School of Life Science, Anhui Agricultural University, Hefei, China
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Kumar D, Kellogg EA. Getting closer: vein density in C 4 leaves. THE NEW PHYTOLOGIST 2019; 221:1260-1267. [PMID: 30368826 DOI: 10.1111/nph.15491] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2018] [Accepted: 09/05/2018] [Indexed: 05/28/2023]
Abstract
Contents Summary 1260 I. Introduction 1260 II. Molecular and genetic mechanisms of C4 leaf venation 1262 III. Conclusions and future perspectives 1266 Acknowledgements 1266 References 1266 SUMMARY: C4 grasses are major contributors to the world's food supply. Their highly efficient method of carbon fixation is a unique adaptation that combines close vein spacing and distinct photosynthetic cell types. Despite its importance, the molecular genetic basis of C4 leaf development is still poorly understood. Here we summarize current knowledge of leaf venation and review recent progress in understanding molecular and genetic regulation of vascular patterning events in C4 plants. Evidence points to the interplay of auxin, brassinosteroids, SHORTROOT/SCARECROW and INDETERMINATE DOMAIN transcription factors. Identification and functional characterization of candidate regulators acting early in vascular development will be essential for further progress in understanding the precise regulation of these processes.
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Affiliation(s)
- Dhinesh Kumar
- Donald Danforth Plant Science Center, St Louis, MO, 63132, USA
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