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Grin IR, Petrova DV, Endutkin AV, Ma C, Yu B, Li H, Zharkov DO. Base Excision DNA Repair in Plants: Arabidopsis and Beyond. Int J Mol Sci 2023; 24:14746. [PMID: 37834194 PMCID: PMC10573277 DOI: 10.3390/ijms241914746] [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: 09/04/2023] [Revised: 09/27/2023] [Accepted: 09/27/2023] [Indexed: 10/15/2023] Open
Abstract
Base excision DNA repair (BER) is a key pathway safeguarding the genome of all living organisms from damage caused by both intrinsic and environmental factors. Most present knowledge about BER comes from studies of human cells, E. coli, and yeast. Plants may be under an even heavier DNA damage threat from abiotic stress, reactive oxygen species leaking from the photosynthetic system, and reactive secondary metabolites. In general, BER in plant species is similar to that in humans and model organisms, but several important details are specific to plants. Here, we review the current state of knowledge about BER in plants, with special attention paid to its unique features, such as the existence of active epigenetic demethylation based on the BER machinery, the unexplained diversity of alkylation damage repair enzymes, and the differences in the processing of abasic sites that appear either spontaneously or are generated as BER intermediates. Understanding the biochemistry of plant DNA repair, especially in species other than the Arabidopsis model, is important for future efforts to develop new crop varieties.
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Affiliation(s)
- Inga R. Grin
- Siberian Branch of the Russian Academy of Sciences Institute of Chemical Biology and Fundamental Medicine, 8 Lavrentieva Ave., Novosibirsk 630090, Russia; (D.V.P.); (A.V.E.)
- Department of Natural Sciences, Novosibirsk State University, 2 Pirogova St., Novosibirsk 630090, Russia
| | - Daria V. Petrova
- Siberian Branch of the Russian Academy of Sciences Institute of Chemical Biology and Fundamental Medicine, 8 Lavrentieva Ave., Novosibirsk 630090, Russia; (D.V.P.); (A.V.E.)
| | - Anton V. Endutkin
- Siberian Branch of the Russian Academy of Sciences Institute of Chemical Biology and Fundamental Medicine, 8 Lavrentieva Ave., Novosibirsk 630090, Russia; (D.V.P.); (A.V.E.)
| | - Chunquan Ma
- Engineering Research Center of Agricultural Microbiology Technology, Ministry of Education, Harbin 150080, China; (C.M.); (B.Y.); (H.L.)
- Heilongjiang Provincial Key Laboratory of Plant Genetic Engineering and Biological Fermentation Engineering for Cold Region, Harbin 150080, China
- School of Life Sciences, Heilongjiang University, Harbin 150080, China
| | - Bing Yu
- Engineering Research Center of Agricultural Microbiology Technology, Ministry of Education, Harbin 150080, China; (C.M.); (B.Y.); (H.L.)
- Heilongjiang Provincial Key Laboratory of Plant Genetic Engineering and Biological Fermentation Engineering for Cold Region, Harbin 150080, China
- School of Life Sciences, Heilongjiang University, Harbin 150080, China
| | - Haiying Li
- Engineering Research Center of Agricultural Microbiology Technology, Ministry of Education, Harbin 150080, China; (C.M.); (B.Y.); (H.L.)
- Heilongjiang Provincial Key Laboratory of Plant Genetic Engineering and Biological Fermentation Engineering for Cold Region, Harbin 150080, China
- School of Life Sciences, Heilongjiang University, Harbin 150080, China
| | - Dmitry O. Zharkov
- Siberian Branch of the Russian Academy of Sciences Institute of Chemical Biology and Fundamental Medicine, 8 Lavrentieva Ave., Novosibirsk 630090, Russia; (D.V.P.); (A.V.E.)
- Department of Natural Sciences, Novosibirsk State University, 2 Pirogova St., Novosibirsk 630090, Russia
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da Camara N, Dubery IA, Piater LA. Proteome Analysis of Nicotiana tabacum Cells following Isonitrosoacetophenone Treatment Reveals Defence-Related Responses Associated with Priming. PLANTS (BASEL, SWITZERLAND) 2023; 12:1137. [PMID: 36903995 PMCID: PMC10005295 DOI: 10.3390/plants12051137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 02/25/2023] [Accepted: 02/28/2023] [Indexed: 06/18/2023]
Abstract
Proteins play an essential regulatory role in the innate immune response of host plants following elicitation by either biotic or abiotic stresses. Isonitrosoacetophenone (INAP), an unusual oxime-containing stress metabolite, has been investigated as a chemical inducer of plant defence responses. Both transcriptomic and metabolomic studies of various INAP-treated plant systems have provided substantial insight into this compound's defence-inducing and priming capabilities. To complement previous 'omics' work in this regard, a proteomic approach of time-dependent responses to INAP was followed. As such, Nicotiana tabacum (N. tabacum) cell suspensions were induced with INAP and changes monitored over a 24-h period. Protein isolation and proteome analysis at 0, 8, 16 and 24 h post-treatment were performed using two-dimensional electrophoresis followed by the gel-free eight-plex isobaric tags for relative and absolute quantitation (iTRAQ) based on liquid chromatography and mass spectrometry. Of the identified differentially abundant proteins, 125 were determined to be significant and further investigated. INAP treatment elicited changes to the proteome that affected proteins from a wide range of functional categories: defence, biosynthesis, transport, DNA and transcription, metabolism and energy, translation and signalling and response regulation. The possible roles of the differentially synthesised proteins in these functional classes are discussed. Results indicate up-regulated defence-related activity within the investigated time period, further highlighting a role for proteomic changes in priming as induced by INAP treatment.
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Zhang Y, Chen Q, Zhu G, Zhang D, Liang W. Chromatin-remodeling factor CHR721 with non-canonical PIP-box interacts with OsPCNA in Rice. BMC PLANT BIOLOGY 2022; 22:164. [PMID: 35365089 PMCID: PMC8974069 DOI: 10.1186/s12870-022-03532-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Accepted: 03/11/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND Proliferating cell nuclear antigen (PCNA) is one of the key factors for the DNA replication process and DNA damage repair. Most proteins interacting with PCNA have a common binding motif: PCNA interacting protein box (PIP box). However, some proteins with non-canonical PIP-box have also been reported to be the key factors that interacted with PCNA. RESULTS Here we discovered the C terminal of a chromatin-remodeling factor CHR721 with non-canonical PIP-box was essential for interacting with OsPCNA in rice. Both OsPCNA and CHR721 were localized in the nuclei and function in response to DNA damages. CONCLUSIONS Based on the results and previous work, we proposed a working model that CHR721 with non-canonical PIP-box interacted with OsPCNA and both of them probably participate in the DNA damage repair process.
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Affiliation(s)
- Yushun Zhang
- College of Life Sciences, Henan Normal University, Xinxiang, China.
| | - Qiong Chen
- National Centre for Plant Gene Research, State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and Developmental Biology, Beijing, 100101, China
- Hainan Yazhou Bay Seed Laboratory, Sanya, 572025, China
| | - Guanlin Zhu
- National Centre for Plant Gene Research, State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and Developmental Biology, Beijing, 100101, China
| | - Dechun Zhang
- Key Laboratory of Three Gorges Regional Plant Genetics & Germplasm Enhancement, Biotechnology Research Center, China Three Gorges University, Yichang, Hubei, 443002, China
| | - Weihong Liang
- College of Life Sciences, Henan Normal University, Xinxiang, China.
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Verma P, Tandon R, Yadav G, Gaur V. Structural Aspects of DNA Repair and Recombination in Crop Improvement. Front Genet 2020; 11:574549. [PMID: 33024442 PMCID: PMC7516265 DOI: 10.3389/fgene.2020.574549] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2020] [Accepted: 08/25/2020] [Indexed: 12/18/2022] Open
Abstract
The adverse effects of global climate change combined with an exponentially increasing human population have put substantial constraints on agriculture, accelerating efforts towards ensuring food security for a sustainable future. Conventional plant breeding and modern technologies have led to the creation of plants with better traits and higher productivity. Most crop improvement approaches (conventional breeding, genome modification, and gene editing) primarily rely on DNA repair and recombination (DRR). Studying plant DRR can provide insights into designing new strategies or improvising the present techniques for crop improvement. Even though plants have evolved specialized DRR mechanisms compared to other eukaryotes, most of our insights about plant-DRRs remain rooted in studies conducted in animals. DRR mechanisms in plants include direct repair, nucleotide excision repair (NER), base excision repair (BER), mismatch repair (MMR), non-homologous end joining (NHEJ) and homologous recombination (HR). Although each DRR pathway acts on specific DNA damage, there is crosstalk between these. Considering the importance of DRR pathways as a tool in crop improvement, this review focuses on a general description of each DRR pathway, emphasizing on the structural aspects of key DRR proteins. The review highlights the gaps in our understanding and the importance of studying plant DRR in the context of crop improvement.
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Affiliation(s)
- Prabha Verma
- National Institute of Plant Genome Research, New Delhi, India
| | - Reetika Tandon
- National Institute of Plant Genome Research, New Delhi, India
| | - Gitanjali Yadav
- National Institute of Plant Genome Research, New Delhi, India
| | - Vineet Gaur
- National Institute of Plant Genome Research, New Delhi, India
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Roldán-Arjona T, Ariza RR, Córdoba-Cañero D. DNA Base Excision Repair in Plants: An Unfolding Story With Familiar and Novel Characters. FRONTIERS IN PLANT SCIENCE 2019; 10:1055. [PMID: 31543887 PMCID: PMC6728418 DOI: 10.3389/fpls.2019.01055] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2019] [Accepted: 07/30/2019] [Indexed: 05/05/2023]
Abstract
Base excision repair (BER) is a critical genome defense pathway that deals with a broad range of non-voluminous DNA lesions induced by endogenous or exogenous genotoxic agents. BER is a complex process initiated by the excision of the damaged base, proceeds through a sequence of reactions that generate various DNA intermediates, and culminates with restoration of the original DNA structure. BER has been extensively studied in microbial and animal systems, but knowledge in plants has lagged behind until recently. Results obtained so far indicate that plants share many BER factors with other organisms, but also possess some unique features and combinations. Plant BER plays an important role in preserving genome integrity through removal of damaged bases. However, it performs additional important functions, such as the replacement of the naturally modified base 5-methylcytosine with cytosine in a plant-specific pathway for active DNA demethylation.
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Affiliation(s)
- Teresa Roldán-Arjona
- Maimónides Biomedical Research Institute of Córdoba (IMIBIC), Córdoba, Spain
- Department of Genetics, University of Córdoba, Córdoba, Spain
- Reina Sofia University Hospital, Córdoba, Spain
| | - Rafael R. Ariza
- Maimónides Biomedical Research Institute of Córdoba (IMIBIC), Córdoba, Spain
- Department of Genetics, University of Córdoba, Córdoba, Spain
- Reina Sofia University Hospital, Córdoba, Spain
| | - Dolores Córdoba-Cañero
- Maimónides Biomedical Research Institute of Córdoba (IMIBIC), Córdoba, Spain
- Department of Genetics, University of Córdoba, Córdoba, Spain
- Reina Sofia University Hospital, Córdoba, Spain
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Wang Z, Shi H, Yu S, Zhou W, Li J, Liu S, Deng M, Ma J, Wei Y, Zheng Y, Liu Y. Comprehensive transcriptomics, proteomics, and metabolomics analyses of the mechanisms regulating tiller production in low-tillering wheat. TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2019; 132:2181-2193. [PMID: 31020386 DOI: 10.1007/s00122-019-03345-w] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Accepted: 04/09/2019] [Indexed: 06/09/2023]
Abstract
Tiller development in low-tillering wheat is related to several differentially expressed genes, proteins, and metabolites, as determined by an integrated omics approach combining transcriptome analysis, iTRAQ, and HPLC-MS on multiple NILs. Tillering is an important aspect of plant morphology that affects spike number, thereby contributing to the final crop yield. However, the mechanisms inhibiting tiller production in low-tillering wheat are poorly characterized. To investigate this aspect of wheat biology, two pairs of near-isogenic lines were developed, and an integrated omics approach combining transcriptome analysis, isobaric tags for relative and absolute quantification, and high-performance liquid chromatography-mass spectrometry were used to compare the free-tillering and low-tillering caused by an allele at Qltn.sicau-2D in wheat samples. Overall, 474 genes, 166 proteins, and 28 metabolites were identified as tillering-associated differentially expressed genes, proteins, and metabolites (DEGs, DEPs, and DEMs, respectively). Functional analysis indicated that the abundance of DEGs/DEPs/DEMs was related to lignin and cellulose metabolism, cell division, cell cycle processes, and glycerophospholipid metabolism; three transcription factor families, GRAS, GRF, and REV, might be related to the decrease in tillering in low-tillering wheat. These findings contribute to improve our understanding of the mechanisms responsible for the inhibition of tiller development in low-tillering wheat cultivars.
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Affiliation(s)
- Zhiqiang Wang
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, 611130, China
| | - Haoran Shi
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, 611130, China
| | - Shifan Yu
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, 611130, China
| | - Wanlin Zhou
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, 611130, China
| | - Jing Li
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, 611130, China
| | - Shihang Liu
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, 611130, China
| | - Mei Deng
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, 611130, China
| | - Jian Ma
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, 611130, China
| | - Yuming Wei
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, 611130, China
| | - Youliang Zheng
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, 611130, China
| | - Yaxi Liu
- Triticeae Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, 611130, China.
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Calderón A, Ortiz-Espín A, Iglesias-Fernández R, Carbonero P, Pallardó FV, Sevilla F, Jiménez A. Thioredoxin (Trxo1) interacts with proliferating cell nuclear antigen (PCNA) and its overexpression affects the growth of tobacco cell culture. Redox Biol 2017; 11:688-700. [PMID: 28183062 PMCID: PMC5299145 DOI: 10.1016/j.redox.2017.01.018] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2016] [Revised: 01/19/2017] [Accepted: 01/26/2017] [Indexed: 12/20/2022] Open
Abstract
Thioredoxins (Trxs), key components of cellular redox regulation, act by controlling the redox status of many target proteins, and have been shown to play an essential role in cell survival and growth. The presence of a Trx system in the nucleus has received little attention in plants, and the nuclear targets of plant Trxs have not been conclusively identified. Thus, very little is known about the function of Trxs in this cellular compartment. Previously, we studied the intracellular localization of PsTrxo1 and confirmed its presence in mitochondria and, interestingly, in the nucleus under standard growth conditions. In investigating the nuclear function of PsTrxo1 we identified proliferating cellular nuclear antigen (PCNA) as a PsTrxo1 target by means of affinity chromatography techniques using purified nuclei from pea leaves. Such protein-protein interaction was corroborated by dot-blot and bimolecular fluorescence complementation (BiFC) assays, which showed that both proteins interact in the nucleus. Moreover, PsTrxo1 showed disulfide reductase activity on previously oxidized recombinant PCNA protein. In parallel, we studied the effects of PsTrxo1 overexpression on Tobacco Bright Yellow-2 (TBY-2) cell cultures. Microscopy and flow-cytometry analysis showed that PsTrxo1 overexpression increases the rate of cell proliferation in the transformed lines, with a higher percentage of the S phase of the cell cycle at the beginning of the cell culture (days 1 and 3) and at the G2/M phase after longer times of culture (day 9), coinciding with an upregulation of PCNA protein. Furthermore, in PsTrxo1 overexpressed cells there is a decrease in the total cellular glutathione content but maintained nuclear GSH accumulation, especially at the end of the culture, which is accompanied by a higher mitotic index, unlike non-overexpressing cells. These results suggest that Trxo1 is involved in the cell cycle progression of TBY-2 cultures, possibly through its link with cellular PCNA and glutathione.
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Affiliation(s)
- Aingeru Calderón
- Department of Stress Biology and Plant Pathology, CEBAS-CSIC, Campus Universitario de Espinardo, E-30100 Murcia, Spain.
| | - Ana Ortiz-Espín
- Department of Stress Biology and Plant Pathology, CEBAS-CSIC, Campus Universitario de Espinardo, E-30100 Murcia, Spain.
| | - Raquel Iglesias-Fernández
- Centre for Plant Biotechnology and Genomics (CBGP; UPM-INIA), Campus de Montegancedo, Universidad Politécnica de Madrid, Pozuelo de Alarcón, E-28223 Madrid, Spain.
| | - Pilar Carbonero
- Centre for Plant Biotechnology and Genomics (CBGP; UPM-INIA), Campus de Montegancedo, Universidad Politécnica de Madrid, Pozuelo de Alarcón, E-28223 Madrid, Spain.
| | - Federico Vicente Pallardó
- Department of Physiology, Faculty of Medicine, University of Valencia, Av. Blasco Ibañez 15, E-46010 Valencia, Spain.
| | - Francisca Sevilla
- Department of Stress Biology and Plant Pathology, CEBAS-CSIC, Campus Universitario de Espinardo, E-30100 Murcia, Spain.
| | - Ana Jiménez
- Department of Stress Biology and Plant Pathology, CEBAS-CSIC, Campus Universitario de Espinardo, E-30100 Murcia, Spain.
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Gao L, Yang S, Zhu Y, Zhang J, Zhuo M, Miao M, Tang X, Liu Y, Wang S. The tomato DDI2, a PCNA ortholog, associating with DDB1-CUL4 complex is required for UV-damaged DNA repair and plant tolerance to UV stress. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2015; 235:101-10. [PMID: 25900570 DOI: 10.1016/j.plantsci.2015.03.007] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2014] [Revised: 03/09/2015] [Accepted: 03/10/2015] [Indexed: 05/05/2023]
Abstract
CULLIN 4 (CUL4)-DAMAGED DNA binding protein 1 (DDB1)-based ubiquitin E3 ligase modulates diverse cellular processes including repair of damaged genomic DNA. In this study, an uncharacterized gene termed as DDB1-Interacting protein 2 (DDI2) was identified in yeast two-hybrid screening with bait gene DDB1. The co-immunoprecipitation (co-IP) assays further demonstrated that DDI2 is associated with tomato DDB1-CUL4 complex in vivo. It appears that DDI2 encodes an ortholog of proliferating cell nuclear antigen (PCNA). Confocal microscope observation indicated that DDI2-GFP fusion protein was localized in nuclei. The expression of DDI2 gene is constitutive but substantially enhanced by UV-C irradiation. The transgenic tomato plants with overexpression or knockdown of DDI2 gene displayed the increased or decreased tolerance, respectively, to UV-C stress and chemical mutagen cisplatin. The quantitative analysis of UV-induced DNA lesions indicated that the dark repair of DNA damage was accelerated in DDI2 overexpression lines but delayed in knockdown lines. Conclusively, tomato DDI2 gene is required for UV-induced DNA damage repair and plant tolerance to UV stress. In addition, fruits of DDI2 transgenic plants are indistinguishable from that of wild type, regarding fresh weight and nutrient quality. Therefore, overexpression of DDI2 offers a suitable strategy for genetic manipulation of enhancing plant tolerance to UV stress.
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Affiliation(s)
- Lanyang Gao
- Ministry of Education Key Laboratory for Bio-resource and Eco-environment, College of Life Science, State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu 610064, China
| | - Shuzhang Yang
- Ministry of Education Key Laboratory for Bio-resource and Eco-environment, College of Life Science, State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu 610064, China
| | - Yunye Zhu
- School of Biotechnology and Food Engineering, Hefei University of Technology, Hefei 230009, China
| | - Junfang Zhang
- Ministry of Education Key Laboratory for Bio-resource and Eco-environment, College of Life Science, State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu 610064, China
| | - Ming Zhuo
- Institute of Flower, Sichuan Academy of Botanical Engineering, Zizhong 641200, China
| | - Ming Miao
- School of Biotechnology and Food Engineering, Hefei University of Technology, Hefei 230009, China
| | - Xiaofeng Tang
- School of Biotechnology and Food Engineering, Hefei University of Technology, Hefei 230009, China
| | - Yongsheng Liu
- Ministry of Education Key Laboratory for Bio-resource and Eco-environment, College of Life Science, State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu 610064, China; School of Biotechnology and Food Engineering, Hefei University of Technology, Hefei 230009, China.
| | - Songhu Wang
- Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China.
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Hayashi G, Shibato J, Imanaka T, Cho K, Kubo A, Kikuchi S, Satoh K, Kimura S, Ozawa S, Fukutani S, Endo S, Ichikawa K, Agrawal GK, Shioda S, Fukumoto M, Rakwal R. Unraveling Low-Level Gamma Radiation-Responsive Changes in Expression of Early and Late Genes in Leaves of Rice Seedlings at litate Village, Fukushima. J Hered 2014; 105:723-38. [DOI: 10.1093/jhered/esu025] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
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Sanchez MDLP, Costas C, Sequeira-Mendes J, Gutierrez C. Regulating DNA replication in plants. Cold Spring Harb Perspect Biol 2012; 4:a010140. [PMID: 23209151 PMCID: PMC3504439 DOI: 10.1101/cshperspect.a010140] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Chromosomal DNA replication in plants has requirements and constraints similar to those in other eukaryotes. However, some aspects are plant-specific. Studies of DNA replication control in plants, which have unique developmental strategies, can offer unparalleled opportunities of comparing regulatory processes with yeast and, particularly, metazoa to identify common trends and basic rules. In addition to the comparative molecular and biochemical studies, genomic studies in plants that started with Arabidopsis thaliana in the year 2000 have now expanded to several dozens of species. This, together with the applicability of genomic approaches and the availability of a large collection of mutants, underscores the enormous potential to study DNA replication control in a whole developing organism. Recent advances in this field with particular focus on the DNA replication proteins, the nature of replication origins and their epigenetic landscape, and the control of endoreplication will be reviewed.
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Affiliation(s)
- Maria de la Paz Sanchez
- Centro de Biologia Molecular "Severo Ochoa," CSIC-UAM, Nicolas Cabrera 1, Cantoblanco, 28049 Madrid, Spain
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Yang Y, Ishino S, Yamagami T, Kumamaru T, Satoh H, Ishino Y. The OsGEN-L protein from Oryza sativa possesses Holliday junction resolvase activity as well as 5'-flap endonuclease activity. J Biochem 2012; 151:317-27. [DOI: 10.1093/jb/mvr145] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Strzalka W, Ziemienowicz A. Proliferating cell nuclear antigen (PCNA): a key factor in DNA replication and cell cycle regulation. ANNALS OF BOTANY 2011; 107:1127-40. [PMID: 21169293 PMCID: PMC3091797 DOI: 10.1093/aob/mcq243] [Citation(s) in RCA: 472] [Impact Index Per Article: 36.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
BACKGROUND PCNA (proliferating cell nuclear antigen) has been found in the nuclei of yeast, plant and animal cells that undergo cell division, suggesting a function in cell cycle regulation and/or DNA replication. It subsequently became clear that PCNA also played a role in other processes involving the cell genome. SCOPE This review discusses eukaryotic PCNA, with an emphasis on plant PCNA, in terms of the protein structure and its biochemical properties as well as gene structure, organization, expression and function. PCNA exerts a tripartite function by operating as (1) a sliding clamp during DNA synthesis, (2) a polymerase switch factor and (3) a recruitment factor. Most of its functions are mediated by its interactions with various proteins involved in DNA synthesis, repair and recombination as well as in regulation of the cell cycle and chromatid cohesion. Moreover, post-translational modifications of PCNA play a key role in regulation of its functions. Finally, a phylogenetic comparison of PCNA genes suggests that the multi-functionality observed in most species is a product of evolution. CONCLUSIONS Most plant PCNAs exhibit features similar to those found for PCNAs of other eukaryotes. Similarities include: (1) a trimeric ring structure of the PCNA sliding clamp, (2) the involvement of PCNA in DNA replication and repair, (3) the ability to stimulate the activity of DNA polymerase δ and (4) the ability to interact with p21, a regulator of the cell cycle. However, many plant genomes seem to contain the second, probably functional, copy of the PCNA gene, in contrast to PCNA pseudogenes that are found in mammalian genomes.
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Affiliation(s)
- Wojciech Strzalka
- Department of Plant Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Gronostajowa 7, 30-387 Krakow, Poland
| | - Alicja Ziemienowicz
- Department of Biological Sciences, University of Lethbridge, 4401 University Drive, Lethbridge, AB T1K 3M4, Canada
- For correspondence. E-mail
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Strzalka W, Kaczmarek A, Naganowska B, Ziemienowicz A. Identification and functional analysis of PCNA1 and PCNA-like1 genes of Phaseolus coccineus. JOURNAL OF EXPERIMENTAL BOTANY 2010; 61:873-88. [PMID: 20007687 PMCID: PMC2814116 DOI: 10.1093/jxb/erp354] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2009] [Revised: 11/07/2009] [Accepted: 11/10/2009] [Indexed: 05/21/2023]
Abstract
Proliferating cell nuclear antigen (PCNA) is an essential factor in DNA replication and in many other processes in eukaryotic cells. Genetic analysis of Phaseolus coccineus showed the presence of at least two PCNA-like genes in the runner bean genome. Two PCNA genes have previously been found in a few plant species including Arabidopsis, tobacco, and maize. In these species, genes were nearly identical. Two cDNAs of P. coccineus PCNA (PcPCNA1 and PcPCNA-like1) have been identified that differ distinctly from each other. Interestingly, both the genetic organization of PcPCNA1 and PcPCNA-like1 genes and their expression patterns were similar, but these were the only similarities between these genes and their products. The identity between PcPCNA1 and PcPCNA-like1 at the amino acid level was only 54%, with PcPCNA-like1 lacking motifs that are crucial for the activity typical of PCNA. Consequently, these two proteins showed different properties. PcPCNA1 behaved like a typical PCNA protein: it formed a homotrimer and stimulated the activity of human DNA polymerase delta. In addition, PcPCNA1 interacted with a p21 peptide and was recognized by an anti-human PCNA monoclonal antibody PC10. By contrast, PcPCNA-like1 was detected as a monomer and was unable to stimulate the DNA polymerase delta activity. PcPCNA-like1 also could not interact with p21 and was not recognized by the PC10 antibody. Our results suggest that PcPCNA-like1 either is unable to function alone and therefore might be a component of the heterotrimeric PCNA ring or may have other, yet unknown functions. Alternatively, the PcPCNA-like1 gene may represent a pseudogene.
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Affiliation(s)
- Wojciech Strzalka
- Department of Molecular Genetics, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Gronostajowa 7, 30-387 Krakow, Poland
| | - Anna Kaczmarek
- Institute of Plant Genetics, Polish Academy of Science, Strzeszynska 34, 60-479 Poznan, Poland
| | - Barbara Naganowska
- Institute of Plant Genetics, Polish Academy of Science, Strzeszynska 34, 60-479 Poznan, Poland
| | - Alicja Ziemienowicz
- Department of Molecular Genetics, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Gronostajowa 7, 30-387 Krakow, Poland
- Department of Biological Sciences, University of Lethbridge, 4401 University Drive, Lethbridge, AB, T1K 3M4 Canada
- To whom correspondence should be addressed: E-mail:
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15
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Sakaguchi K, Ishibashi T, Uchiyama Y, Iwabata K. The multi-replication protein A (RPA) system--a new perspective. FEBS J 2009; 276:943-63. [PMID: 19154342 DOI: 10.1111/j.1742-4658.2008.06841.x] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Replication protein A (RPA) complex has been shown, using both in vivo and in vitro approaches, to be required for most aspects of eukaryotic DNA metabolism: replication, repair, telomere maintenance and homologous recombination. Here, we review recent data concerning the function and biological importance of the multi-RPA complex. There are distinct complexes of RPA found in the biological kingdoms, although for a long time only one type of RPA complex was believed to be present in eukaryotes. Each complex probably serves a different role. In higher plants, three distinct large and medium subunits are present, but only one species of the smallest subunit. Each of these protein subunits forms stable complexes with their respective partners. They are paralogs as complex. Humans possess two paralogs and one analog of RPA. The multi-RPA system can be regarded as universal in eukaryotes. Among eukaryotic kingdoms, paralogs, orthologs, analogs and heterologs of many DNA synthesis-related factors, including RPA, are ubiquitous. Convergent evolution seems to be ubiquitous in these processes. Using recent findings, we review the composition and biological functions of RPA complexes.
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Affiliation(s)
- Kengo Sakaguchi
- Department of Applied Biological Science, Tokyo University of Science, Chiba, Japan.
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16
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Sakamoto A, Iwabata K, Koshiyama A, Sugawara H, Yanai T, Kanai Y, Takeuchi R, Daikuhara Y, Takakusagi Y, Sakaguchi K. Two X family DNA polymerases, λ and μ, in meiotic tissues of the basidiomycete, Coprinus cinereus. Chromosoma 2007; 116:545-56. [PMID: 17764015 DOI: 10.1007/s00412-007-0119-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2007] [Revised: 07/29/2007] [Accepted: 07/31/2007] [Indexed: 12/13/2022]
Abstract
The X family DNA polymerases lambda (CcPollambda) and mu (CcPolmu) were shown to be expressed during meiotic prophase in the basidiomycete, Coprinus cinereus. These two polymerases are the only members of the X family in the C. cinereus genome. The open reading frame of CcPollambda encoded a predicted product of 800 amino acid residues and that of CcPolmicro of 621 amino acid residues. Both CcPollambda and CcPolmicro required Mn(2+) ions for activity, and both were strongly inhibited by dideoxythymidine triphosphate. Unlike their mammalian counterparts, CcPollambda and CcPolmicro had no terminal deoxynucleotidyl transferase activity. Immunostaining analysis revealed that CcPollambda was present at meiotic prophase nuclei in zygotene and pachytene cells, which is the period when homologous chromosomes pair and recombine. CcPolmicro was present in a slightly wider range of cell stages, zygotene to diplotene. In analyses using D-loop recombination intermediate substrates, we found that both CcPollambda and CcPolmicro could promote primer extension of an invading strand in a D-loop structure. Moreover, both polymerases could fully extend the primer in the D-loop substrate, suggesting that D-loop extension is an activity intrinsic to CcPollambda and CcPolmicro. Based on these data, we discuss the possible roles of these polymerases in meiosis.
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Affiliation(s)
- Aiko Sakamoto
- Department of Applied Biological Science, Tokyo University of Science, 2641 Yamazaki, Noda-shi, Chiba-ken 278-8510, Japan
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17
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Ishibashi T, Kimura S, Sakaguchi K. A higher plant has three different types of RPA heterotrimeric complex. J Biochem 2007; 139:99-104. [PMID: 16428324 DOI: 10.1093/jb/mvj014] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Replication protein A (RPA) is a protein complex composed of three subunits known as RPA70, RPA32, and RPA14. Generally, only one version of each of the three RPA genes is present in animals and yeast (with the exception of the human RPA32 ortholog). In rice (Oryza sativa L.), however, two paralogs of RPA70 have been reported. We screened the rice genome for RPA subunit genes, and identified three OsRPA70 (OsRPA70a, OsRPA70b and OsRPA70c), three OsRPA32 (OsRPA32-1, OsRPA32-2 and OsRPA32-3), and one OsRPA14. Through two-hybrid assays and pull down analyses, we showed that OsRPA70a interacted preferentially with OsRPA32-2, OsRPA70b with OsRPA32-1, and OsRPA70c with OsRPA32-3. OsRPA14 interacted with all OsRPA32 paralogs. Thus, rice has three types of RPA complex: OsRPA70a-OsRPA32-2-OsRPA14 (type A), OsRPA70b-OsRPA32-1-OsRPA14 (type B), and OsRPA70c-OsRPA32-3-OsRPA14 (type C). Subcellular localization analysis suggested that the type-A RPA complex is required for chloroplast DNA metabolism, whereas types B and C function in nuclear DNA metabolism.
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Affiliation(s)
- Toyotaka Ishibashi
- Department of Applied Biological Science, Faculty of Science and Technology, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510
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18
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Raynaud C, Sozzani R, Glab N, Domenichini S, Perennes C, Cella R, Kondorosi E, Bergounioux C. Two cell-cycle regulated SET-domain proteins interact with proliferating cell nuclear antigen (PCNA) in Arabidopsis. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2006; 47:395-407. [PMID: 16771839 DOI: 10.1111/j.1365-313x.2006.02799.x] [Citation(s) in RCA: 80] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
The proliferating cell nuclear antigen (PCNA) functions as a sliding clamp for DNA polymerase, and is thus a key actor in DNA replication. It is also involved in DNA repair, maintenance of heterochromatic regions throughout replication, cell cycle regulation and programmed cell death. Identification of PCNA partners is therefore necessary for understanding these processes. Here we identify two Arabidopsis SET-domain proteins that interact with PCNA: ATXR5 and ATXR6. A truncated ATXR5Deltaex2, incapable of interacting with PCNA, also occurs in planta. ATXR6, upregulated during the S phase, is upregulated by AtE2F transcription factors, suggesting that it is required for S-phase progression. The two proteins differ in their subcellular localization: ATXR5 has a dual localization in plastids and in the nucleus, whereas ATXR6 is solely nuclear. This indicates that the two proteins may play different roles in plant cells. However, overexpression of either ATXR5 or ATXR6 causes male sterility because of the degeneration of defined cell types. Taken together, our results suggest that both proteins may play a role in the cell cycle or DNA replication, and that the activity of ATXR5 may be regulated via its subcellular localization.
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Affiliation(s)
- Cécile Raynaud
- Institut de Biotechnologies des Plantes, CNRS UMR 8618, Bâtiment 630, Université Paris-Sud XI, 91405 Orsay, France
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19
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Affiliation(s)
- Seisuke Kimura
- Department of Applied Biological Science, Faculty of Science and Technology, Tokyo University of Science, Noda-shi, Chiba, Japan
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20
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Dresselhaus T, Srilunchang KO, Leljak-Levanic D, Schreiber DN, Garg P. The fertilization-induced DNA replication factor MCM6 of maize shuttles between cytoplasm and nucleus, and is essential for plant growth and development. PLANT PHYSIOLOGY 2006; 140:512-27. [PMID: 16407440 PMCID: PMC1361320 DOI: 10.1104/pp.105.074294] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
The eukaryotic genome is duplicated exactly once per cell division cycle. A strategy that limits every replication origin to a single initiation event is tightly regulated by a multiprotein complex, which involves at least 20 protein factors. A key player in this regulation is the evolutionary conserved hexameric MCM2-7 complex. From maize (Zea mays) zygotes, we have cloned MCM6 and characterized this essential gene in more detail. Shortly after fertilization, expression of ZmMCM6 is strongly induced. During progression of zygote and proembryo development, ZmMCM6 transcript amounts decrease and are low in vegetative tissues, where expression is restricted to tissues containing proliferating cells. The highest protein amounts are detectable about 6 to 20 d after fertilization in developing kernels. Subcellular localization studies revealed that MCM6 protein shuttles between cytoplasm and nucleoplasm in a cell cycle-dependent manner. ZmMCM6 is taken up by the nucleus during G1 phase and the highest protein levels were observed during late G1/S phase. ZmMCM6 is excluded from the nucleus during late S, G2, and mitosis. Transgenic maize was generated to overexpress and down-regulate ZmMCM6. Plants displaying minor antisense transcript amounts were reduced in size and did not develop cobs to maturity. Down-regulation of ZmMCM6 gene activity seems also to affect pollen development because antisense transgenes could not be propagated via pollen to wild-type plants. In summary, the transgenic data indicate that MCM6 is essential for both vegetative as well as reproductive growth and development in plants.
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Affiliation(s)
- Thomas Dresselhaus
- Developmental Biology and Biotechnology, Biocenter Klein Flottbek, University of Hamburg, 22609 Hamburg, Germany.
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21
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Kikuchi K, Taniguchi Y, Hatanaka A, Sonoda E, Hochegger H, Adachi N, Matsuzaki Y, Koyama H, van Gent DC, Jasin M, Takeda S. Fen-1 facilitates homologous recombination by removing divergent sequences at DNA break ends. Mol Cell Biol 2005; 25:6948-55. [PMID: 16055708 PMCID: PMC1190240 DOI: 10.1128/mcb.25.16.6948-6955.2005] [Citation(s) in RCA: 50] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Homologous recombination (HR) requires nuclease activities at multiple steps, but the contribution of individual nucleases to the processing of double-strand DNA ends at different stages of HR has not been clearly defined. We used chicken DT40 cells to investigate the role of flap endonuclease 1 (Fen-1) in HR. FEN-1-deficient cells exhibited a significant decrease in the efficiency of immunoglobulin gene conversion while being proficient in recombination between sister chromatids, suggesting that Fen-1 may play a role in HR between sequences of considerable divergence. To clarify whether sequence divergence at DNA ends is truly the reason for the observed HR defect in FEN-1(-/-) cells we inserted a unique I-SceI restriction site in the genome and tested various donor and recipient HR substrates. We found that the efficiency of HR-mediated DNA repair was indeed greatly diminished when divergent sequences were present at the DNA break site. We conclude that Fen-1 eliminates heterologous sequences at DNA damage site and facilitates DNA repair by HR.
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Affiliation(s)
- Koji Kikuchi
- Department of Radiation Genetics, Graduate School of Medicine, Kyoto University, Yoshidakonoe, Sakyo-ku, Japan
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22
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Ishibashi T, Isogai M, Kiyohara H, Hosaka M, Chiku H, Koga A, Yamamoto T, Uchiyama Y, Mori Y, Hashimoto J, Ausió J, Kimura S, Sakaguchi K. Higher plant RecA-like protein is homologous to RadA. DNA Repair (Amst) 2005; 5:80-8. [PMID: 16140596 DOI: 10.1016/j.dnarep.2005.07.010] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2005] [Revised: 07/12/2005] [Accepted: 07/26/2005] [Indexed: 11/26/2022]
Abstract
A novel RecA-like protein, differing from Dmc1 and Rad51, was characterized in Oryza sativa L. cv. Nipponbare. Because the protein is homologous to bacterial RadA, the gene was designated OsRadA. The open reading frame was predicted to encode a 66kDa protein of 619 amino acid residues and was found in plants but not animals or yeast. OsRadA showed D-loop and single-stranded DNA-dependent ATPase activities. Gene expression was found to be high in meristematic tissues, and was localized in the nucleus. An RNAi mutant of Arabidopsis thaliana RadA (AtRadA) was sensitive to mutagenic agents such as UV and MMC, suggesting that RadA functions in DNA repair.
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Affiliation(s)
- Toyotaka Ishibashi
- Department of Applied Biological Science, Faculty of Science and Technology, Tokyo University of Science, 2641 Yamazaki, Noda-shi, Chiba-ken 278-8510, Japan
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23
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Moritoh S, Miki D, Akiyama M, Kawahara M, Izawa T, Maki H, Shimamoto K. RNAi-mediated Silencing of OsGEN-L (OsGEN-like), a New Member of the RAD2/XPG Nuclease Family, Causes Male Sterility by Defect of Microspore Development in Rice. ACTA ACUST UNITED AC 2005; 46:699-715. [PMID: 15792960 DOI: 10.1093/pcp/pci090] [Citation(s) in RCA: 63] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
We have cloned a new member of the RAD2/XPG nuclease family, OsGEN-L (OsGEN-like), from rice (Oryza sativa L.). OsGEN-L possesses two domains, the N- and I-regions, that are conserved in the RAD2/XPG nuclease family. Database searches and phylogenetic analyses revealed that OsGEN-L belongs to class 4 of the RAD2/XPG nuclease family, and OsGEN-L homologs were found in animals and higher plants. To elucidate the function of OsGEN-L, we generated rice OsGEN-L-RNAi transgenic plants in which OsGEN-L expression was silenced. Most of the OsGEN-L-RNAi plants displayed low fertility, and some of them were male-sterile. OsGEN-L-RNAi plants lacked mature pollen, resulting from a defect in early microspore development. A OsGEN-L-green fluorescent protein (GFP) fusion protein was localized in the nucleus, and the OsGEN-L promoter was specifically active in the anthers. Furthermore, a recombinant OsGEN-L protein possessed flap endonuclease activity and both single-stranded and double-stranded DNA-binding activities. Our results suggest that OsGEN-L plays an essential role in DNA metabolism required for early microspore development in rice.
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Affiliation(s)
- Satoru Moritoh
- Laboratory of Plant Molecular Genetics, Nara Institute of Science and Technology, Takayama 8916-5, Ikoma, Nara, 630-0192 Japan
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Yamamoto T, Mori Y, Ishibashi T, Uchiyama Y, Ueda T, Ando T, Hashimoto J, Kimura S, Sakaguchi K. Interaction between proliferating cell nuclear antigen (PCNA) and a DnaJ induced by DNA damage. JOURNAL OF PLANT RESEARCH 2005; 118:91-97. [PMID: 15806324 DOI: 10.1007/s10265-005-0197-3] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2004] [Accepted: 01/07/2005] [Indexed: 05/24/2023]
Abstract
Proliferating cell nuclear antigen (PCNA) is an essential protein for both DNA replication and DNA repair. In the present study using two-hybrid analysis with PCNA from rice, Oryza sativa L. cv. Nipponbare (OsPCNA), we found that OsPCNA interacted with rice DnaJ protein. We have identified DnaJ and designated it as OsDnaJ. OsDnaJ was able to bind to OsPCNA in vitro. Transcripts of OsDnaJ were found to be strongly expressed in the proliferating cells. mRNA of DnaJ was induced by UV and DNA-damaging agents such as H2O2. The expression patterns of OsPCNA were almost the same as OsDnaJ. The relationship between OsPCNA and OsDnaJ is discussed.
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Affiliation(s)
- Taichi Yamamoto
- Department of Applied Biological Science, Faculty of Science and Technology, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba, 278-8510, Japan
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25
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Kimura S, Saotome A, Uchiyama Y, Mori Y, Tahira Y, Sakaguchi K. The expression of the rice (Oryza sativa L.) homologue of Snm1 is induced by DNA damages. Biochem Biophys Res Commun 2005; 329:668-72. [PMID: 15737637 DOI: 10.1016/j.bbrc.2005.01.161] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2005] [Indexed: 10/25/2022]
Abstract
We isolated and characterized the rice homologue of the DNA repair gene Snm1 (OsSnm1). The length of the cDNA was 1862bp; the open reading frame encoded a predicted product of 485 amino acid residues with a molecular mass of 53.2kDa. The OsSnm1 protein contained the conserved beta-lactamase domain in its internal region. OsSnm1 was expressed in all rice organs. The expression was induced by MMS, H(2)O(2), and mitomycin C, but not by UV. Transient expression of an OsSnm1/GFP fusion protein in onion epidermal cells revealed the localization of OsSnm1 to the nucleus. These results suggest that OsSnm1 is involved not only in the repair of DNA interstrand crosslinks, but also in various other DNA repair pathways.
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Affiliation(s)
- Seisuke Kimura
- Department of Applied Biological Science, Faculty of Science and Technology, Tokyo University of Science, 2641 Yamazaki, Noda-shi, Chiba 278-8510, Japan
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26
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Ishikawa G, Kanai Y, Takata KI, Takeuchi R, Shimanouchi K, Ruike T, Furukawa T, Kimura S, Sakaguchi K. DmGEN, a novel RAD2 family endo-exonuclease from Drosophila melanogaster. Nucleic Acids Res 2004; 32:6251-9. [PMID: 15576351 PMCID: PMC535671 DOI: 10.1093/nar/gkh962] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
A novel endo-exonuclease, DmGEN (Drosophila Melanogaster XPG-like endonuclease), was identified in D.melanogaster. DmGEN is composed of five exons and four introns, and the open reading frame encodes a predicted product of 726 amino acid residues with a molecular weight of 82.5 kDa and a pI of 5.36. The gene locus on Drosophila polytene chromosomes was detected at 64C9 on the left arm of chromosome 3 as a single site. The encoded protein showed a relatively high degree of sequence homology with the RAD2 nucleases, especially XPG. Although the XPG-N- and XPG-I-domains are highly conserved in sequence, locations of the domains are similar to those of FEN-1 and EXO-1, and the molecular weight of the protein is close to that of EXO-1. In vitro, DmGEN showed endonuclease and 3'-5' exonuclease activities with both single-stranded DNA (ssDNA) and double-stranded DNA (dsDNA), but the endonuclease action with dsDNA was quite specific: 5'-3' exonuclease activity was found to occur with nicked DNA, while dsDNA was endonucleolytically cut at 3-4 bp from the 5' end. Homologs are widely found in mammals and higher plants. The data suggest that DmGEN belongs to a new class of RAD2 nuclease.
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Affiliation(s)
- Gen Ishikawa
- Department of Applied Biological Science, Faculty of Science and Technology, Tokyo University of Science, 2641 Yamazaki, Noda-Shi, Chiba-ken 278 8510, Japan
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Uchiyama Y, Kimura S, Yamamoto T, Ishibashi T, Sakaguchi K. Plant DNA polymerase λ, a DNA repair enzyme that functions in plant meristematic and meiotic tissues. ACTA ACUST UNITED AC 2004; 271:2799-807. [PMID: 15206945 DOI: 10.1111/j.1432-1033.2004.04214.x] [Citation(s) in RCA: 81] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Little is known about the functions of DNA polymerase lambda (Pol lambda) recently identified in mammals. From the genomic sequence information of rice and Arabidopsis, we found that Pol lambda may be the only member of the X-family in higher plants. We have succeeded in isolating the cDNA and recombinant protein of Pol lambda in a higher plant, rice (Oryza sativa L. cv. Nipponbare) (OsPol lambda). OsPol lambda had activities of DNA polymerase, terminal deoxyribonucleotidyl transferase and deoxyribose phosphate lyase, a marker enzyme for base excision repair. It also interacted with rice proliferating cell nuclear antigen (OsPCNA) in a pull-down assay. OsPCNA increased the processivity of OsPol lambda. Northern blot analysis showed that the level of OsPol lambda expression correlated with cell proliferation in meristematic and meiotic tissues, and was induced by DNA-damaging treatments. These properties suggest that plant Pol lambda is a DNA repair enzyme which functions in plant meristematic and meiotic tissues, and that it can substitute for Pol beta and terminal deoxyribonucleotidyl transferase.
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Affiliation(s)
- Yukinobu Uchiyama
- Department of Applied Biological Science, Faculty of Science and Technology, Tokyo University of Science, Japan
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28
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Kimura S, Tahira Y, Ishibashi T, Mori Y, Mori T, Hashimoto J, Sakaguchi K. DNA repair in higher plants; photoreactivation is the major DNA repair pathway in non-proliferating cells while excision repair (nucleotide excision repair and base excision repair) is active in proliferating cells. Nucleic Acids Res 2004; 32:2760-7. [PMID: 15150342 PMCID: PMC419598 DOI: 10.1093/nar/gkh591] [Citation(s) in RCA: 61] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2004] [Revised: 04/02/2004] [Accepted: 04/15/2004] [Indexed: 11/13/2022] Open
Abstract
We investigated expression patterns of DNA repair genes such as the CPD photolyase, UV-DDB1, CSB, PCNA, RPA32 and FEN-1 genes by northern hybridization analysis and in situ hybridization using a higher plant, rice (Oryza sativa L. cv. Nipponbare). We found that all the genes tested were expressed in tissues rich in proliferating cells, but only CPD photolyase was expressed in non-proliferating tissue such as the mature leaves and elongation zone of root. The removal of DNA damage, cyclobutane pyrimidine dimers and (6-4) photoproducts, in both mature leaves and the root apical meristem (RAM) was observed after UV irradiation under light. In the dark, DNA damage in mature leaves was not repaired efficiently, but that in the RAM was removed rapidly. Using a rice 22K custom oligo DNA microarray, we compared global gene expression patterns in the shoot apical meristem (SAM) and mature leaves. Most of the excision repair genes were more strongly expressed in SAM. These results suggested that photoreactivation is the major DNA repair pathway for the major UV-induced damage in non-proliferating cells, while both photoreactivation and excision repair are active in proliferating cells.
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Affiliation(s)
- Seisuke Kimura
- Department of Applied Biological Science, Faculty of Science and Technology, Science University of Tokyo, 2641 Yamazaki, Noda-shi, Chiba, 278-8510, Japan
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29
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Yamaguchi T, Namekawa SH, Hamada FN, Kasai N, Nara T, Watanabe K, Iwabata K, Ishizaki T, Ishii S, Koshiyama A, Inagaki S, Kimura S, Sakaguchi K. Expression of flap endonuclease-1 during meiosis in a basidiomycete, Coprinus cinereus. Fungal Genet Biol 2004; 41:493-500. [PMID: 15050538 DOI: 10.1016/j.fgb.2004.01.008] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2003] [Accepted: 01/16/2004] [Indexed: 11/25/2022]
Abstract
In the basidiomycete Coprinus cinereus (C. cinereus), which shows a highly synchronous meiotic cell cycle, the meiotic prophase I cells demonstrate flap endonuclease-1 activity. To investigate its role during meiosis, we isolated a C. cinereus cDNA homolog of flap endonuclease-1 (CcFEN-1), 1377bp in length with the open reading frame (ORF) encoding a predicted molecular mass of 51 kDa. At amino-acid residues Glu276-Pro345, a specific inserted sequence composed of 70 amino acids rich in polar forms was found to exist, without sequence identity to other eukaryotic FEN-1 or the polar amino acid rich sequences found in C. cinereus PCNA and C. cinereus DNA ligase IV, although the lengths and percentages of polar amino acids were similar. Northern hybridization analysis indicated CcFEN-1 to be expressed not only in the pre-meiotic S phase but also in meiotic prophase I. The roles of CcFEN-1 during meiosis are discussed.
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MESH Headings
- Amino Acid Sequence
- Amino Acids/chemistry
- Amino Acids/genetics
- Coprinus/enzymology
- Coprinus/genetics
- DNA Ligase ATP
- DNA Ligases/genetics
- DNA, Complementary/chemistry
- DNA, Complementary/isolation & purification
- DNA, Fungal/chemistry
- DNA, Fungal/isolation & purification
- Flap Endonucleases/genetics
- Flap Endonucleases/metabolism
- Gene Expression Regulation, Fungal
- Meiosis/physiology
- Models, Molecular
- Molecular Sequence Data
- Molecular Weight
- Open Reading Frames
- Phylogeny
- Proliferating Cell Nuclear Antigen/genetics
- Prophase/genetics
- Prophase/physiology
- RNA, Fungal/analysis
- RNA, Messenger/analysis
- S Phase/genetics
- S Phase/physiology
- Sequence Analysis, DNA
- Sequence Homology, Amino Acid
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Affiliation(s)
- Taiki Yamaguchi
- Department of Applied Biological Science, Faculty of Science and Technology, Tokyo University of Science, 2641 Yamazaki, Noda-shi, Chiba-ken 278-8510, Japan
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30
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Kimura S, Furukawa T, Kasai N, Mori Y, Kitamoto HK, Sugawara F, Hashimoto J, Sakaguchi K. Functional characterization of two flap endonuclease-1 homologues in rice. Gene 2003; 314:63-71. [PMID: 14527718 DOI: 10.1016/s0378-1119(03)00694-2] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Flap endonuclease-1 (FEN-1) is an important enzyme involved in DNA replication and repair. Previously, we isolated and characterized a complementary DNA (cDNA) from rice (Oryza sativa) encoding a protein which shows homology with the eukaryotic flap endonuclease-1 (FEN-1). In this report, we found that rice (O. sativa L. cv. Nipponbare) possessed two FEN-1 homologues designated as OsFEN-1a and OsFEN-1b. The OsFEN-1a and OsFEN-1b genes were mapped to chromosome 5 and 3, respectively. Both genes contained 17 exons and 16 introns. Alignment of OsFEN-1a protein with OsFEN-1b protein showed a high degree of sequence similarity, particularly around the N and I domains. Northern hybridization and in situ hybridization analysis demonstrated preferential expression of OsFEN-1a and OsFEN-1b in proliferating tissues such as the shoot apical meristem or young leaves. The levels of OsFEN-1a and OsFEN-1b expression were significantly reduced when cell proliferation was temporarily halted by the removal of sucrose from the growth medium. When the growth-halted cells began to regrow following the addition of sucrose to the medium, both OsFEN-1a and OsFEN-1b were again expressed at high level. These results suggested that OsFEN-1a and OsFEN-1b are required for cell proliferation. Functional complementation assay suggested that OsFEN-1a cDNA had the ability to complement Saccharomyces cerevisiae rad27 null mutant. On the other hand, OsFEN-1b cDNA could not complement the rad27 mutant. The roles of OsFEN-1a and OsFEN-1b in plant DNA replication and repair are discussed.
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Affiliation(s)
- Seisuke Kimura
- Department of Applied Biological Science, Faculty of Science and Technology, Tokyo University of Science, 2641 Yamazaki, Chiba, 278-8510, Noda, Japan
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31
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Yamamoto T, Kimura S, Mori Y, Uchiyama Y, Ishibashi T, Hashimoto J, Sakaguchi K. Interaction between proliferating cell nuclear antigen and JUN-activation-domain-binding protein 1 in the meristem of rice, Oryza sativa L. PLANTA 2003; 217:175-183. [PMID: 12783325 DOI: 10.1007/s00425-003-0981-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/14/2002] [Accepted: 12/30/2002] [Indexed: 05/24/2023]
Abstract
The eukaryotic polymerase processivity factor, proliferating cell nuclear antigen (PCNA), interacts with many cell cycle-regulator proteins and with proteins involved in the mechanisms of DNA replication and repair. In the present study using two-hybrid analysis with PCNA from rice, Oryza sativa L. cv. Nipponbare (OsPCNA), we found that OsPCNA interacted in vitro and in vivo with rice JUN-activation-domain-binding protein 1 (OsJab1), which is known as COP9/signalsome subunit 5. Both OsPCNA and OsJab1 transcripts were expressed strongly in the shoot apical meristem and weakly in young leaves, flag leaves, ears, roots and root tips. No expression was detected in the mature leaves. The OsPCNA and OsJab1 proteins were expressed and accumulated mostly in the shoot apical meristem and ears, suggesting that OsJab1 is involved in cell proliferation in cooperation with OsPCNA. The role of OsPCNA with OsJab1 in plant DNA proliferation is discussed.
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Affiliation(s)
- Taichi Yamamoto
- Department of Applied Biological Science, Faculty of Science and Technology, Science University of Tokyo, 2641 Yamazaki, Noda-shi, 278-8510, Chiba-ken, Japan
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32
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Namekawa S, Hamada F, Ishii S, Ichijima Y, Yamaguchi T, Nara T, Kimura S, Ishizaki T, Iwabata K, Koshiyama A, Teraoka H, Sakaguchi K. Coprinus cinereus DNA ligase I during meiotic development. BIOCHIMICA ET BIOPHYSICA ACTA 2003; 1627:47-55. [PMID: 12759191 DOI: 10.1016/s0167-4781(03)00073-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
DNA ligase I is thought to be essential for DNA replication, repair and recombination, at least in the mitotic cell cycle, but whether this is also the case during the meiotic cell cycle is still obscure. To investigate the role of DNA ligase I during the meiotic cell cycle, we cloned the Coprinus cinereus DNA ligase I cDNA (CcLIG1). Northern blotting analysis indicated that CcLIG1 is expressed not only in the premeiotic S-phase but also during the meiotic cell cycle itself. Especially, intense signals were observed in the leptotene and zygotene stages. Western blotting analysis indicated that CcLIG1 is expressed through the meiotic cell cycle and immunofluorescence also showed CcLIG1 protein staining in meiotic cells. Interestingly, the patterns was similar to that for the C. cinereus proliferating cell nuclear antigen gene (CcPCNA) and immunoprecipitation analysis suggested that CcPCNA binds to CcLIG1 in crude extracts of meiotic prophase I tissues. Based on these observations, relationships and roles during the meiotic cell cycle are discussed.
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Affiliation(s)
- Satoshi Namekawa
- Department of Applied Biological Science, Faculty of Science and Technology, Tokyo University of Science, 2641 Yamazaki, Chiba 278-0022, Noda, Japan
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33
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Uchiyama Y, Hatanaka M, Kimura S, Ishibashi T, Ueda T, Sakakibara Y, Matsumoto T, Furukawa T, Hashimoto J, Sakaguchi K. Characterization of DNA polymerase delta from a higher plant, rice (Oryza sativa L.). Gene 2003; 295:19-26. [PMID: 12242007 DOI: 10.1016/s0378-1119(02)00822-3] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
DNA polymerase delta (pol delta), which is comprised of at least two essential subunits, is an important enzyme involved in DNA replication and repair. We have cloned and characterized both the catalytic and small subunits of pol delta from rice (Oryza sativa L. cv. Nipponbare). The open reading frames of OsPoldelta1 and delta2 encoded a predicted product of 1105 amino acid residues with a molecular weight of 124 kDa for OsPoldelta1, and of 429 residues with a molecular weight of 48 kDa for OsPoldelta2. Northern blotting analysis indicated that OsPoldelta1 and delta2 transcripts were expressed strongly in proliferating tissues such as shoot apical meristem. The expression patterns of both subunits in the organs were slightly different. Therefore, we analyzed the spatial distribution pattern of OsPoldelta1 transcripts by in situ hybridization. In the shoot apex, OsPoldelta1 mRNA was abundant in the shoot apical meristem. In the roots, the OsPoldelta1 transcript accumulated at high levels in the root apical meristem. In mature leaves, OsPoldelta1 was induced after UV irradiation, but OsPoldelta2 was not. The amounts of the OsPoldelta1 and delta2 mRNAs in the rice cells changed rapidly during cell proliferation. These results indicated that the levels of OsPoldelta expression are markedly correlated with cell proliferation, and that some of OsPoldelta might have special roles in the leaves.
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MESH Headings
- Catalytic Domain/genetics
- Chromosome Mapping
- Chromosomes, Plant/genetics
- Cloning, Molecular
- DNA Polymerase III/genetics
- DNA, Complementary/chemistry
- DNA, Complementary/genetics
- Gene Expression Regulation, Enzymologic/drug effects
- Gene Expression Regulation, Plant/drug effects
- In Situ Hybridization
- Isoenzymes/genetics
- Molecular Sequence Data
- Oryza/enzymology
- Oryza/genetics
- Phylogeny
- RNA, Messenger/drug effects
- RNA, Messenger/genetics
- RNA, Messenger/metabolism
- Sequence Analysis, DNA
- Sucrose/pharmacology
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Affiliation(s)
- Yukinobu Uchiyama
- Department of Applied Biological Science, Faculty of Science and Technology, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan
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34
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Kimura S, Uchiyama Y, Kasai N, Namekawa S, Saotome A, Ueda T, Ando T, Ishibashi T, Oshige M, Furukawa T, Yamamoto T, Hashimoto J, Sakaguchi K. A novel DNA polymerase homologous to Escherichia coli DNA polymerase I from a higher plant, rice (Oryza sativa L.). Nucleic Acids Res 2002; 30:1585-92. [PMID: 11917019 PMCID: PMC101828 DOI: 10.1093/nar/30.7.1585] [Citation(s) in RCA: 54] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
A novel DNA polymerase, designated as OsPolI-like, has been identified from the higher plant, rice (Oryza sativa L. cv. Nipponbare). The OsPolI-like cDNA was 3765 bp in length, and the open reading frame encoded a predicted product of 977 amino acid residues with a molecular weight of 100 kDa. The OsPolI-like gene has been mapped to chromosome 8 and contains 12 exons and 11 introns. The encoded protein showed a high degree of sequence and structural homology to Escherichia coli pol I protein, but differed from DNA polymerase gamma and theta. The DNA polymerase domain of OsPolI-like showed DNA polymerase activity. Subcellular fractionation analysis suggested that the protein is localized in the plastid. Northern and western blotting, and in situ hybridization analyses demonstrated preferential expression of OsPolI-like in meristematic tissues such as shoot apical meristem, root apical meristem, leaf primordia and the marginal meristem. Interestingly, no expression was detected in mature leaves, although they have a high chloroplast content. These properties indicated that OsPolI-like is a novel plant DNA polymerase. The function of OsPolI-like is discussed in relation to plastid maturation.
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Affiliation(s)
- Seisuke Kimura
- Department of Applied Biological Science, Faculty of Science and Technology, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan
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