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Zhao Y, Lu J, Hu B, Jiao P, Gao B, Jiang Z, Liu S, Guan S, Ma Y. Cloning and functional analysis of ZmMADS42 gene in maize. GM CROPS & FOOD 2024; 15:105-117. [PMID: 38466176 PMCID: PMC10936638 DOI: 10.1080/21645698.2024.2328384] [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: 01/14/2024] [Accepted: 03/05/2024] [Indexed: 03/12/2024]
Abstract
Maize (Zea mays L.) is the most important cereal crop in the world. Flowering period and photoperiod play important roles in the reproductive development of maize. This study, investigated ZmMADS42, a gene that is highly expressed in the shoot apical meristem. Agrobacterium infection was used to successfully obtain overexpressed ZmMADS42 plants. Fluorescence quantitative PCR revealed that the expression of the ZmMADS42 gene in the shoot apical meristem of transgenic plants was 2.8 times higher than that of the wild-type(WT). In addition, the expression of the ZmMADS42 gene in the endosperm was 2.4 times higher than that in the wild-type. The seed width of the T2 generation increased by 5.35%, whereas the seed length decreased by 7.78% compared with that of the wild-type. Dissection of the shoot tips of transgenic and wild-type plants from the 7-leaf stage to the 9-leaf stage revealed that the transgenic plants entered the differentiation stage earlier and exhibited more tassel meristems during their vegetative growth period. The mature transgenic plants were approximately 20 cm shorter in height and had a lower panicle position than the wild-type plants. Comparing the flowering period, the tasseling, powdering, and silking stages of the transgenic plants occurred 10 days earlier than those of the wild-type plants. The results showed that the ZmMADS42 gene played a significant role in regulating the flowering period and plant height of maize.
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Affiliation(s)
- Yang Zhao
- College of Agronomy, Jilin Agricultural University, Changchun, China
| | - Jianyu Lu
- College of Agronomy, Jilin Agricultural University, Changchun, China
| | - Bo Hu
- College of Agronomy, Jilin Agricultural University, Changchun, China
| | - Peng Jiao
- College of Agronomy, Jilin Agricultural University, Changchun, China
| | - Bai Gao
- College of Agronomy, Jilin Agricultural University, Changchun, China
| | - Zhenzhong Jiang
- College of Agronomy, Jilin Agricultural University, Changchun, China
| | - Siyan Liu
- College of Agronomy, Jilin Agricultural University, Changchun, China
| | - Shuyan Guan
- College of Agronomy, Jilin Agricultural University, Changchun, China
| | - Yiyong Ma
- College of Agronomy, Jilin Agricultural University, Changchun, China
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Yang X, Zhang M, Xi D, Yin T, Zhu L, Yang X, Zhou X, Zhang H, Liu X. Genome-wide identification and expression analysis of the MADS gene family in sweet orange ( Citrus sinensis) infested with pathogenic bacteria. PeerJ 2024; 12:e17001. [PMID: 38436028 PMCID: PMC10909352 DOI: 10.7717/peerj.17001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Accepted: 02/05/2024] [Indexed: 03/05/2024] Open
Abstract
The risk of pathogenic bacterial invasion in plantations has increased dramatically due to high environmental climate change and has seriously affected sweet orange fruit quality. MADS genes allow plants to develop increased resistance, but functional genes for resistance associated with pathogen invasion have rarely been reported. MADS gene expression profiles were analyzed in sweet orange leaves and fruits infested with Lecanicillium psalliotae and Penicillium digitatum, respectively. Eighty-two MADS genes were identified from the sweet orange genome, and they were classified into five prime subfamilies concerning the Arabidopsis MADS gene family, of which the MIKC subfamily could be subdivided into 13 minor subfamilies. Protein structure analysis showed that more than 93% of the MADS protein sequences of the same subfamily between sweet orange and Arabidopsis were very similar in tertiary structure, with only CsMADS8 and AG showing significant differences. The variability of MADS genes protein structures between sweet orange and Arabidopsis subgroups was less than the variabilities of protein structures within species. Chromosomal localization and covariance analysis showed that these genes were unevenly distributed on nine chromosomes, with the most genes on chromosome 9 and the least on chromosome 2, with 36 and two, respectively. Four pairs of tandem and 28 fragmented duplicated genes in the 82 MADS gene sequences were found in sweet oranges. GO (Gene Ontology) functional enrichment and expression pattern analysis showed that the functional gene CsMADS46 was strongly downregulated of sweet orange in response to biotic stress adversity. It is also the first report that plants' MADS genes are involved in the biotic stress responses of sweet oranges. For the first time, L. psalliotae was experimentally confirmed to be the causal agent of sweet orange leaf spot disease, which provides a reference for the research and control of pathogenic L. psalliotae.
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Affiliation(s)
- Xiuyao Yang
- Southwest Forestry University, Kunming, China
| | | | - Dengxian Xi
- Southwest Forestry University, Kunming, China
| | - Tuo Yin
- Southwest Forestry University, Kunming, China
| | - Ling Zhu
- Southwest Forestry University, Kunming, China
| | - Xiujia Yang
- Southwest Forestry University, Kunming, China
| | - Xianyan Zhou
- Institute of Tropical and Subtropical Economic Crops, Institute of Tropical and Subtropical Economic Crops, Yunnan Academy of Agricultural Sciences, Ruili, China
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Wu C, Cheng Z, Gao J. Mysterious Bamboo flowering phenomenon: A literature review and new perspectives. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 911:168695. [PMID: 38000754 DOI: 10.1016/j.scitotenv.2023.168695] [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: 07/04/2023] [Revised: 11/16/2023] [Accepted: 11/17/2023] [Indexed: 11/26/2023]
Abstract
Bamboo, a globally distributed non-timber forest resource, plays a critical role in local ecosystems and economies. Despite its significance, the understanding of bamboo's long and unpredictable flowering cycles remains limited. Our bibliometric analysis of bamboo flowering-related literature from the Web of Science database reveals an initial focus on regeneration studies, with a recent trend shifting towards microscopic and molecular perspectives. Furthermore, our narrative review emphasizes the importance of considering factors such as the proportion of flowering culms and the duration of flowering in classifying bamboo flowering phenomena. While numerous studies have endorsed the predator saturation hypothesis as a suitable explanation for the synchronicity of bamboo flowering, no existing theory explains bamboo's prolonged flowering cycles. We propose a new natural selection hypothesis as a potential explanation for these extraordinary cycles, underscoring the need for further research in this area. Despite the substantial volume of data accumulated on bamboo flowering, these resources have not been fully exploited in recent research. Future studies would benefit from more comprehensive data collection methods, encompassing field observations, satellite remote sensing data, and omics data. The convergence of traditional ecological studies with molecular techniques may pave the way for significant advancements in bamboo flowering research.
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Affiliation(s)
- Chongyang Wu
- Key Laboratory of National Forestry and Grassland Administration, Beijing for Bamboo & Rattan Science and Technology/International Center for Bamboo and Rattan, Beijing, PR China
| | - Zhanchao Cheng
- Key Laboratory of National Forestry and Grassland Administration, Beijing for Bamboo & Rattan Science and Technology/International Center for Bamboo and Rattan, Beijing, PR China
| | - Jian Gao
- Key Laboratory of National Forestry and Grassland Administration, Beijing for Bamboo & Rattan Science and Technology/International Center for Bamboo and Rattan, Beijing, PR China.
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Yang J, Chen R, Liu W, Xiang X, Fan C. Genome-Wide Characterization and Phylogenetic and Stress Response Expression Analysis of the MADS-Box Gene Family in Litchi ( Litchi chinensis Sonn.). Int J Mol Sci 2024; 25:1754. [PMID: 38339030 PMCID: PMC10855657 DOI: 10.3390/ijms25031754] [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: 12/06/2023] [Revised: 01/26/2024] [Accepted: 01/27/2024] [Indexed: 02/12/2024] Open
Abstract
The MADS-box protein is an important transcription factor in plants and plays an important role in regulating the plant abiotic stress response. In this study, a total of 94 MADS-box genes were predicted in the litchi genome, and these genes were widely distributed on all the chromosomes. The LcMADS-box gene family was divided into six subgroups (Mα, Mβ, Mγ, Mδ, MIKC, and UN) based on their phylogenetical relationships with Arabidopsis, and the closely linked subgroups exhibited more similarity in terms of motif distribution and intron/exon numbers. Transcriptome analysis indicated that LcMADS-box gene expression varied in different tissues, which can be divided into universal expression and specific expression. Furthermore, we further validated that LcMADS-box genes can exhibit different responses to various stresses using quantitative real-time PCR (qRT-PCR). Moreover, physicochemical properties, subcellular localization, collinearity, and cis-acting elements were also analyzed. The findings of this study provide valuable insights into the MADS-box gene family in litchi, specifically in relation to stress response. The identification of hormone-related and stress-responsive cis-acting elements in the MADS-box gene promoters suggests their involvement in stress signaling pathways. This study contributes to the understanding of stress tolerance mechanisms in litchi and highlights potential regulatory mechanisms underlying stress responses.
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Affiliation(s)
| | | | | | | | - Chao Fan
- Guangdong Provincial Key Laboratory of Tropical and Subtropical Fruit Tree Research, Key Laboratory of South Subtropical Fruit Biology and Genetic Resource Utilization, Ministry of Agriculture and Rural Affairs, Institute of Fruit Tree Research, Guangdong Academy of Agricultural Sciences, Guangzhou 510640, China; (J.Y.)
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Jiang GG, Wan QQ, Zou W, Hu GT, Yang LY, Zhu L, Ning HJ. Genome-wide identification and analysis of the evolution and expression pattern of the SBP gene family in two Chimonanthus species. Mol Biol Rep 2023; 50:9107-9119. [PMID: 37749345 DOI: 10.1007/s11033-023-08799-2] [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: 07/20/2023] [Accepted: 09/05/2023] [Indexed: 09/27/2023]
Abstract
BACKGROUND Chimonanthus praecox and Chimonanthus salicifolius are closely related species that diverged approximately six million years ago. While both C. praecox and C. salicifolius could withstand brief periods of low temperatures of - 15 °C. Their flowering times are different, C. praecox blooms in early spring, whereas C. salicifolius blooms in autumn. The SBP-box (SQUAMOSA promoter-binding protein) is a plant-specific gene family that plays a crucial vital role in regulating plant flowering. Although extensively studied in various plants, the SBP gene family remains uncharacterized in Calycanthaceae. METHODS AND RESULTS We conducted genome-wide identification of SBP genes in both C. praecox and C. salicifolius and comprehensively characterized the chromosomal localization, gene structure, conserved motifs, and domains of the identified SBP genes. In total, 15 and 18 SBP genes were identified in C. praecox and C. salicifolius, respectively. According to phylogenetic analysis, the SBP genes from Arabidopsis, C. praecox, and C. salicifolius were clustered into eight groups. Analysis of the gene structure and conserved protein motifs showed that SBP proteins of the same subfamily have similar motif structures. The expression patterns of SBP genes were analyzed using transcriptome data. The results revealed that more than half of the genes exhibited lower expression levels in leaves than in flowers, suggesting their potential involvement in the flower development process and may be linked to the winter and autumn flowering of C. praecox and C. salicifolius. CONCLUSION Thirty-three SBPs were identified in C. praecox and C. salicifolius. The evolutionary characteristics and expression patterns were examined in this study. These results provide valuable information to elucidate the evolutionary relationships of the SBP family and help determine the functional characteristics of the SBP genes in subsequent studies.
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Affiliation(s)
- Ge-Ge Jiang
- School of Landscape Architecture, Zhejiang Agriculture and Forestry University, Hangzhou, 311100, China
| | - Qian-Qian Wan
- School of Landscape Architecture, Zhejiang Agriculture and Forestry University, Hangzhou, 311100, China
| | - Wei Zou
- School of Landscape Architecture, Zhejiang Agriculture and Forestry University, Hangzhou, 311100, China
| | - Gui-Ting Hu
- School of Landscape Architecture, Zhejiang Agriculture and Forestry University, Hangzhou, 311100, China
| | - Li-Yuan Yang
- School of Landscape Architecture, Zhejiang Agriculture and Forestry University, Hangzhou, 311100, China.
- Hubei Key Laboratory of Economic Forest Germplasm Improvement and Resources Comprehensive Utilization, College of Biology and Agricultural Resources, Huanggang Normal University, Huanggang, 438000, China.
| | - Li Zhu
- Hubei Key Laboratory of Economic Forest Germplasm Improvement and Resources Comprehensive Utilization, College of Biology and Agricultural Resources, Huanggang Normal University, Huanggang, 438000, China.
| | - Hui-Juan Ning
- School of Landscape Architecture, Zhejiang Agriculture and Forestry University, Hangzhou, 311100, China.
- Zhejiang Provincial Key Laboratory of Germplasm Innovation and Utilization for Garden Plants, Zhejiang Agriculture & Forestry University, Hangzhou, 311300, China.
- Key Laboratory of National Forestry and Grassland Administration On Germplasm Innovation and Utilization for Southern Garden Plants, Zhejiang Agriculture & Forestry University, Hangzhou, 311300, China.
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Gui FF, Jiang GG, Bin Dong, Zhong SW, Xiao Z, Qiu Fang, Wang YG, Yang LY, Zhao H. Genome-wide identification and analysis of MIKC-type MADS-box genes expression in Chimonanthus salicifolius. Genes Genomics 2023; 45:1127-1141. [PMID: 37438657 DOI: 10.1007/s13258-023-01420-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Accepted: 06/22/2023] [Indexed: 07/14/2023]
Abstract
BACKGROUND MIKC type MADS-box transcription factors are one of the largest gene families and play a pivotal role in flowering time and flower development. Chimonanthus salicifolius belongs to the family Calycanthaceae and has a unique flowering time and flowering morphology compared to other Chimonanthus species, but the research on MIKC type MADS-box gene family of C. salicifolius has not been reported. OBJECTIVE Identification, comprehensive bioinformatic analysis, the expression pattern of MIKC-type MADS-box gene family from different tissues of C. salicifolius. METHODS Genome-wide investigation and expression pattern under different tissues of the MIKC-type MADS-box gene family in C. salicifolius, and their phylogenetic relationships, evolutionary characteristics, gene structure, motif distribution, promoter cis-acting element were performed. RESULTS A total of 29 MIKC-type MADS-box genes were identified from the whole genome sequencing. Interspecies synteny analysis revealed more significant collinearity between C. salicifolius and the magnoliids species compared to eudicots and monocots. MIKC-type MADS-box genes from the same subfamily share similar distribution patterns, gene structure, and expression patterns. Compared with Arabidopsis thaliana, Nymphaea colorata, and Chimonanthus praecox, the FLC genes were absent in C. salicifolius, while the AGL6 subfamily was expanded in C. salicifolius. The selectively expanded promoter (AGL6) and lack of repressor (FLC) genes may explain the earlier flowering in C. salicifolius. The loss of the AP3 homologous gene in C. salicifolius is probably the primary cause of the morphological distinction between C. salicifolius and C. praecox. The csAGL6a gene is specifically expressed in the flowering process and indicates the potential function of promoting flowering. CONCLUSION This study offers a genome-wide identification and expression profiling of the MIKC-types MADS-box genes in the C. salicifolius, and establishes the foundation for screening flowering development genes and understanding the potential function of the MIKC-types MADS-box genes in the C. salicifolius.
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Affiliation(s)
- Fang-Fang Gui
- School of Landscape Architecture, Zhejiang Agriculture and Forestry University, Hangzhou, 311300, China
| | - Ge-Ge Jiang
- School of Landscape Architecture, Zhejiang Agriculture and Forestry University, Hangzhou, 311300, China
| | - Bin Dong
- School of Landscape Architecture, Zhejiang Agriculture and Forestry University, Hangzhou, 311300, China
| | - Shi-Wei Zhong
- School of Landscape Architecture, Zhejiang Agriculture and Forestry University, Hangzhou, 311300, China
| | - Zheng Xiao
- School of Landscape Architecture, Zhejiang Agriculture and Forestry University, Hangzhou, 311300, China
| | - Qiu Fang
- School of Landscape Architecture, Zhejiang Agriculture and Forestry University, Hangzhou, 311300, China
| | - Yi-Guang Wang
- School of Landscape Architecture, Zhejiang Agriculture and Forestry University, Hangzhou, 311300, China
| | - Li-Yuan Yang
- School of Landscape Architecture, Zhejiang Agriculture and Forestry University, Hangzhou, 311300, China.
| | - Hongbo Zhao
- School of Landscape Architecture, Zhejiang Agriculture and Forestry University, Hangzhou, 311300, China.
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Hu J, Chen Q, Idrees A, Bi W, Lai Z, Sun Y. Structural and Functional Analysis of the MADS-Box Genes Reveals Their Functions in Cold Stress Responses and Flower Development in Tea Plant ( Camellia sinensis). PLANTS (BASEL, SWITZERLAND) 2023; 12:2929. [PMID: 37631141 PMCID: PMC10458798 DOI: 10.3390/plants12162929] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 08/01/2023] [Accepted: 08/09/2023] [Indexed: 08/27/2023]
Abstract
MADS-box genes comprise a large family of transcription factors that play crucial roles in all aspects of plant growth and development. However, no detailed information on the evolutionary relationship and functional characterization of MADS-box genes is currently available for some representative lineages, such as the Camellia plant. In this study, 136 MADS-box genes were detected from a reference genome of the tea plant (Camellia sinensis) by employing a 569 bp HMM (Hidden Markov Model) developed using nucleotide sequencing including 73 type I and 63 type II genes. An additional twenty-seven genes were identified, with five MIKC-type genes. Truncated and/or inaccurate gene models were manually verified and curated to improve their functional characterization. Subsequently, phylogenetic relationships, chromosome locations, conserved motifs, gene structures, and gene expression profiles were systematically investigated. Tea plant MIKC genes were divided into all 14 major eudicot subfamilies, and no gene was found in Mβ. The expansion of MADS-box genes in the tea plant was mainly contributed by WGD/fragment and tandem duplications. The expression profiles of tea plant MADS-box genes in different tissues and seasons were analyzed, revealing widespread evolutionary conservation and genetic redundancy. The expression profiles linked to cold stress treatments suggested the wide involvement of MADS-box genes from the tea plant in response to low temperatures. Moreover, a floral 'ABCE' model was proposed in the tea plant and proved to be both conserved and ancient. Our analyses offer a detailed overview of MADS-box genes in the tea plant, allowing us to hypothesize the potential functions of unknown genes and providing a foundation for further functional characterizations.
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Affiliation(s)
- Juan Hu
- Key Laboratory of Tea Science in Fujian Province, College of Horticulture, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (J.H.); (W.B.)
| | - Qianqian Chen
- College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China;
| | - Atif Idrees
- Guizhou Provincial Key Laboratory for Agricultural Pest Management of the Mountainous Region, Scientific Observing and Experimental Station of Crop Pest in Guiyang, Ministry of Agriculture and Rural Affairs, Institute of Entomology, Guizhou University, Guiyang 550025, China;
| | - Wanjun Bi
- Key Laboratory of Tea Science in Fujian Province, College of Horticulture, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (J.H.); (W.B.)
| | - Zhongxiong Lai
- Institute of Horticultural Biotechnology, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Yun Sun
- Key Laboratory of Tea Science in Fujian Province, College of Horticulture, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (J.H.); (W.B.)
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Wang Y, Wang H, Wang H, Zhou R, Wu J, Zhang Z, Jin Y, Li T, Kohnen MV, Liu X, Wei W, Chen K, Gao Y, Ding J, Zhang H, Liu B, Lin C, Gu L. Multi-omics of Circular RNAs and Their Responses to Hormones in Moso Bamboo (Phyllostachys edulis). GENOMICS, PROTEOMICS & BIOINFORMATICS 2023; 21:866-885. [PMID: 36805531 PMCID: PMC10787125 DOI: 10.1016/j.gpb.2023.01.007] [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: 12/10/2021] [Revised: 01/04/2023] [Accepted: 01/31/2023] [Indexed: 02/18/2023]
Abstract
Circular RNAs (circRNAs) are endogenous non-coding RNAs with covalently closed structures, which have important functions in plants. However, their biogenesis, degradation, and function upon treatment with gibberellins (GAs) and auxins (1-naphthaleneacetic acid, NAA) remain unknown. Here, we systematically identified and characterized the expression patterns, evolutionary conservation, genomic features, and internal structures of circRNAs using RNase R-treated libraries from moso bamboo (Phyllostachys edulis) seedlings. Moreover, we investigated the biogenesis of circRNAs dependent on both cis- and trans-regulation. We explored the function of circRNAs, including their roles in regulating microRNA (miRNA)-related genes and modulating the alternative splicing of their linear counterparts. Importantly, we developed a customized degradome sequencing approach to detect miRNA-mediated cleavage of circRNAs. Finally, we presented a comprehensive view of the participation of circRNAs in the regulation of hormone metabolism upon treatment of bamboo seedlings with GA and NAA. Collectively, our study provides insights into the biogenesis, function, and miRNA-mediated degradation of circRNAs in moso bamboo.
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Affiliation(s)
- Yongsheng Wang
- Basic Forestry and Proteomics Research Center, College of Forestry, Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Huihui Wang
- Basic Forestry and Proteomics Research Center, College of Forestry, Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Huiyuan Wang
- Basic Forestry and Proteomics Research Center, College of Forestry, Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Ruifan Zhou
- Basic Forestry and Proteomics Research Center, College of Forestry, Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Ji Wu
- Basic Forestry and Proteomics Research Center, College of Forestry, Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Zekun Zhang
- Basic Forestry and Proteomics Research Center, College of Forestry, Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Yandong Jin
- Basic Forestry and Proteomics Research Center, College of Forestry, Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Tao Li
- Basic Forestry and Proteomics Research Center, College of Forestry, Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Markus V Kohnen
- Basic Forestry and Proteomics Research Center, College of Forestry, Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Xuqing Liu
- Basic Forestry and Proteomics Research Center, College of Forestry, Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Wentao Wei
- Basic Forestry and Proteomics Research Center, College of Forestry, Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Kai Chen
- Basic Forestry and Proteomics Research Center, College of Forestry, Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Yubang Gao
- Basic Forestry and Proteomics Research Center, College of Forestry, Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Jiazhi Ding
- Basic Forestry and Proteomics Research Center, College of Forestry, Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Hangxiao Zhang
- Basic Forestry and Proteomics Research Center, College of Forestry, Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Bo Liu
- College of Forestry, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Chentao Lin
- Department of Molecular, Cell and Developmental Biology, University of California at Los Angeles, Los Angeles, CA 90095, USA
| | - Lianfeng Gu
- Basic Forestry and Proteomics Research Center, College of Forestry, Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
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Jiao H, Hua Z, Zhou J, Hu J, Zhao Y, Wang Y, Yuan Y, Huang L. Genome-wide analysis of Panax MADS-box genes reveals role of PgMADS41 and PgMADS44 in modulation of root development and ginsenoside synthesis. Int J Biol Macromol 2023; 233:123648. [PMID: 36780966 DOI: 10.1016/j.ijbiomac.2023.123648] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 01/10/2023] [Accepted: 02/04/2023] [Indexed: 02/13/2023]
Abstract
Panax root is an important material used in food and medicine. Its cultivation and production usually depend on root shape and ginsenoside content. There is limited understanding about the synergistic regulatory mechanisms underlying root development and ginsenoside accumulation in Panax. MADS-box transcription factors possibly play a significant role in regulation of root growth and secondary metabolites. In this study, we identified MADS-box transcription factors of Panax, and found high expression levels of SVP, ANR1 and SOC1-like clade genes in its roots. We confirmed that two SOC1-like genes, PgMADS41 and PgMADS44, bind to expansion gene promoters (PgEXLB5 and PgEXPA13), which contribute to root growth, and to SE-4, CYP716A52v2-4, and β-AS-13 promoters, which participate in ginsenoside Ro biosynthesis. These two genes were found to increase lateral root number and main root length in transgenic Arabidopsis thaliana by improving AtEXLA1, AtEXLA3, AtEXPA5, and AtEXPA6 gene expression. As a non-phytohormone regulatory tool, Ro can stimulate adventitious root growth by influencing their expression and ginsenoside accumulation. Our study provides new insights into the coordinated regulatory function of SOC1-like clade genes in Panax root development and triterpenoid accumulation, paving the way towards understanding root formation and genetic improvement in Panax.
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Affiliation(s)
- Honghong Jiao
- State Key Laboratory of Grassland Agro-ecosystems, Engineering Research Center of Grassland Industry, Ministry of Education, Gansu Tech Innovation Centre of Western China Grassland Industry, College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730000, China
| | - Zhongyi Hua
- State Key Laboratory of Dao-di Herbs, National Resource Center for Chinese Materia Medica, Chinese Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Junhui Zhou
- State Key Laboratory of Dao-di Herbs, National Resource Center for Chinese Materia Medica, Chinese Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Jin Hu
- State Key Laboratory of Dao-di Herbs, National Resource Center for Chinese Materia Medica, Chinese Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Yuyang Zhao
- State Key Laboratory of Dao-di Herbs, National Resource Center for Chinese Materia Medica, Chinese Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Yingping Wang
- Jilin Agricultural University, Changchun 130118, China
| | - Yuan Yuan
- State Key Laboratory of Dao-di Herbs, National Resource Center for Chinese Materia Medica, Chinese Academy of Chinese Medical Sciences, Beijing 100700, China.
| | - Luqi Huang
- State Key Laboratory of Grassland Agro-ecosystems, Engineering Research Center of Grassland Industry, Ministry of Education, Gansu Tech Innovation Centre of Western China Grassland Industry, College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730000, China; State Key Laboratory of Dao-di Herbs, National Resource Center for Chinese Materia Medica, Chinese Academy of Chinese Medical Sciences, Beijing 100700, China.
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Genome-Wide Identification of MADS-Box Family Genes in Safflower ( Carthamus tinctorius L.) and Functional Analysis of CtMADS24 during Flowering. Int J Mol Sci 2023; 24:ijms24021026. [PMID: 36674539 PMCID: PMC9862418 DOI: 10.3390/ijms24021026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 12/14/2022] [Accepted: 12/27/2022] [Indexed: 01/07/2023] Open
Abstract
Safflower is an important economic crop with a plethora of industrial and medicinal applications around the world. The bioactive components of safflower petals are known to have pharmacological activity that promotes blood circulation and reduces blood stasis. However, fine-tuning the genetic mechanism of flower development in safflower is still required. In this study, we report the genome-wide identification of MADS-box transcription factors in safflower and the functional characterization of a putative CtMADS24 during vegetative and reproductive growth. In total, 77 members of MADS-box-encoding genes were identified from the safflower genome. The phylogenetic analysis divided CtMADS genes into two types and 15 subfamilies. Similarly, bioinformatic analysis, such as of conserved protein motifs, gene structures, and cis-regulatory elements, also revealed structural conservation of MADS-box genes in safflower. Furthermore, the differential expression pattern of CtMADS genes by RNA-seq data indicated that type II genes might play important regulatory roles in floral development. Similarly, the qRT-PCR analysis also revealed the transcript abundance of 12 CtMADS genes exhibiting tissue-specific expression in different flower organs. The nucleus-localized CtMADS24 of the AP1 subfamily was validated by transient transformation in tobacco using GFP translational fusion. Moreover, CtMADS24-overexpressed transgenic Arabidopsis exhibited early flowering and an abnormal phenotype, suggesting that CtMADS24 mediated the expression of genes involved in floral organ development. Taken together, these findings provide valuable information on the regulatory role of CtMADS24 during flower development in safflower and for the selection of important genes for future molecular breeding programs.
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Wang X, Geng X, Bi X, Li R, Chen Y, Lu C. Genome-wide identification of AOX family genes in Moso bamboo and functional analysis of PeAOX1b_2 in drought and salinity stress tolerance. PLANT CELL REPORTS 2022; 41:2321-2339. [PMID: 36063182 DOI: 10.1007/s00299-022-02923-5] [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: 07/11/2022] [Accepted: 08/25/2022] [Indexed: 06/15/2023]
Abstract
Five PeAOX genes from Moso bamboo genome were identified. PeAOX1b_2-OE improved tolerance to drought and salinity stress in Arabidopsis, indicating it is involved in positive regulation of abiotic stress response. Mitochondrial alternative oxidase (AOX), the important respiratory terminal oxidase in organisms, catalyzes the energy wasteful cyanide (CN)-resistant respiration, which can improve abiotic stresses tolerance and is considered as one of the functional markers for plant resistance breeding. Here, a total of five putative AOX genes (PeAOXs) were identified and characterized in a monocotyledonous woody grass Moso bamboo (Phyllostachys edulis). Phylogenetic analysis revealed that PeAOXs belonged to AOX1 subfamily, and were named PeAOX1a_1, PeAOX1a_2, PeAOX1b_1, PeAOX1b_2 and PeAOX1c, respectively. Evolutionary and divergence patterns analysis revealed that the PeAOX, OsAOX, and BdAOX families experienced positive purifying selection and may have undergone a large-scale duplication event roughly 1.35-155.90 million years ago. Additionally, the organ-specific expression analysis showed that 80% of PeAOX members were mainly expressed in leaf. Promoter sequence analysis of PeAOXs revealed cis-acting regulatory elements (CAREs) responding to abiotic stress. Most PeAOX genes were significantly upregulated after methyl jasmonate (MeJA) and abscisic acid (ABA) treatment. Moreover, under salinity and drought stresses, the ectopic overexpression of PeAOX1b_2 in Arabidopsis enhanced seed germination and seedling establishment, increased the total respiratory rate and the proportion of AOX respiratory pathway in leaf, and enhanced antioxidant ability, suggesting that PeAOX1b_2 is crucial for abiotic stress resistance in Moso bamboo.
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Affiliation(s)
- Xiaojing Wang
- National Engineering Research Center of Tree Breeding and Ecological Restoration, College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing, 100083, China
| | - Xin Geng
- National Engineering Research Center of Tree Breeding and Ecological Restoration, College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing, 100083, China
| | - Xiaorui Bi
- National Engineering Research Center of Tree Breeding and Ecological Restoration, College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing, 100083, China
| | - Rongchen Li
- National Engineering Research Center of Tree Breeding and Ecological Restoration, College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing, 100083, China
| | - Yuzhen Chen
- National Engineering Research Center of Tree Breeding and Ecological Restoration, College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing, 100083, China.
| | - Cunfu Lu
- National Engineering Research Center of Tree Breeding and Ecological Restoration, College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing, 100083, China.
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Genome-Wide Identification, Evolution, and Expression Characterization of the Pepper (Capsicum spp.) MADS-box Gene Family. Genes (Basel) 2022; 13:genes13112047. [PMID: 36360285 PMCID: PMC9690561 DOI: 10.3390/genes13112047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 11/03/2022] [Accepted: 11/04/2022] [Indexed: 11/09/2022] Open
Abstract
MADS domain transcription factors play roles throughout the whole lifecycle of plants from seeding to flowering and fruit-bearing. However, systematic research into MADS-box genes of the economically important vegetable crop pepper (Capsicum spp.) is still lacking. We identified 174, 207, and 72 MADS-box genes from the genomes of C. annuum, C. baccatum, and C. chinense, respectively. These 453 MADS-box genes were divided into type I (Mα, Mβ, Mγ) and type II (MIKC* and MIKCC) based on their phylogenetic relationships. Collinearity analysis identified 144 paralogous genes and 195 orthologous genes in the three Capsicum species, and 70, 114, and 10 MADS-box genes specific to C. annuum, C. baccatum, and C. chinense, respectively. Comparative genomic analysis highlighted functional differentiation among homologous MADS-box genes during pepper evolution. Tissue expression analysis revealed three main expression patterns: highly expressed in roots, stems, leaves, and flowers (CaMADS93/CbMADS35/CcMADS58); only expressed in roots; and specifically expressed in flowers (CaMADS26/CbMADS31/CcMADS11). Protein interaction network analysis showed that type II CaMADS mainly interacted with proteins related to flowering pathway and flower organ development. This study provides the basis for an in-depth study of the evolutionary features and biological functions of pepper MADS-box genes.
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Identification of MADS-Box Transcription Factors in Iris laevigata and Functional Assessment of IlSEP3 and IlSVP during Flowering. Int J Mol Sci 2022; 23:ijms23179950. [PMID: 36077350 PMCID: PMC9456522 DOI: 10.3390/ijms23179950] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 08/30/2022] [Accepted: 08/30/2022] [Indexed: 11/17/2022] Open
Abstract
Iris laevigata is ideal for gardening and landscaping in northeast China because of its beautiful flowers and strong cold resistance. However, the short length of flowering time (2 days for individual flowers) greatly limits its applications. Molecular breeding and engineering hold high potential for producing I. laevigata of desirable flowering properties. A prerequisite is to identify and characterize key flowering control genes, the identity of which remains largely unknown in I. laevigata due to the lack of genome information. To fill this knowledge gap, we used sequencing data of the I. laevigata transcriptome to identify MADS-box gene-encoding transcription factors that have been shown to play key roles in developmental processes, including flowering. Our data revealed 41 putative MADS-box genes, which consisted of 8 type I (5 Mα and 3 Mβ, respectively) and 33 type II members (2 MIKC* and 31 MIKCC, respectively). We then selected IlSEP3 and IlSVP for functional studies and found that both are localized to the nucleus and that they interact physically in vitro. Ectopic expression of IlSEP3 in Arabidopsis resulted in early flowering (32 days) compared to that of control plants (36 days), which could be mediated by modulating the expression of FT, SOC1, AP1, SVP, SPL3, VRN1, and GA20OX. By contrast, plants overexpressing IlSVP were phenotypically similar to that of wild type. Our functional validation of IlSEP3 was consistent with the notion that SEP3 promotes flowering in multiple plant species and indicated that IlSEP3 regulates flowering in I. laevigata. Taken together, this work provided a systematic identification of MADS-box genes in I. laevigata and demonstrated that the flowering time of I. laevigata can be genetically controlled by altering the expression of key MADS-box genes.
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Integrative Analyses of Transcriptomes and Metabolomes Reveal Associated Genes and Metabolites with Flowering Regulation in Common Vetch ( Vicia sativa L.). Int J Mol Sci 2022; 23:ijms23126818. [PMID: 35743262 PMCID: PMC9224626 DOI: 10.3390/ijms23126818] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Revised: 06/17/2022] [Accepted: 06/17/2022] [Indexed: 11/26/2022] Open
Abstract
As an important source of protein for livestock and human consumption, Vicia sativa is cultivated worldwide, but its seed production is hampered at high altitudes because of the short frost-free period. Flowering represents the transition from a vegetative to a reproductive period, and early flowering benefits plant seed production at high altitudes. However, the molecular mechanisms of flowering regulation in V. sativa remain elusive. In the present study, two V. sativa accessions with different flowering characteristics were used: Lan3 (early-flowering) was cultivated by our laboratory, and 503 (late-flowering) was selected from 222 V. sativa accessions after three years of field experiments. The shoot samples (shoot tip length = 10 cm) of these two accessions were collected 63, 70, and 77 days after sowing, and the molecular regulatory mechanism of the flowering process was identified by integrative analyses of the transcriptomes and metabolomes. Kyoto Encyclopedia of Genes and Genomes enrichment showed that the synthesis and signal transduction of plant hormone pathways were the most enriched pathways in 4274 differentially expressed genes (DEGs) and in 259 differential metabolites between Lan3 and 503. Moreover, the contents of three metabolites related to salicylic acid biosynthesis and the transcription levels of two DEGs related to salicylic acid signal transduction in Lan3 were higher than those in 503. Further verification in various accessions indicated that salicylic acid metabolism may be involved in the flowering regulation process of V. sativa. These findings provide valuable information for understanding the flowering mechanism and for promoting breeding research in V. sativa.
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Characterization of Phytohormones and Transcriptomic Profiling of the Female and Male Inflorescence Development in Manchurian Walnut ( Juglans mandshurica Maxim.). Int J Mol Sci 2022; 23:ijms23105433. [PMID: 35628244 PMCID: PMC9143237 DOI: 10.3390/ijms23105433] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Revised: 05/03/2022] [Accepted: 05/06/2022] [Indexed: 12/18/2022] Open
Abstract
Flowers are imperative reproductive organs and play a key role in the propagation of offspring, along with the generation of several metabolic products in flowering plants. In Juglans mandshurica, the number and development of flowers directly affect the fruit yield and subsequently its commercial value. However, owing to the lack of genetic information, there are few studies on the reproductive biology of Juglans mandshurica, and the molecular regulatory mechanisms underlying the development of female and male inflorescence remain unclear. In this study, phytohormones and transcriptomic sequencing analyses at the three stages of female and male inflorescence growth were performed to understand the regulatory functions underlying flower development. Gibberellin is the most dominant phytohormone that regulates flower development. In total, 14,579 and 7188 differentially expressed genes were identified after analyzing the development of male and female flowers, respectively, wherein, 3241 were commonly expressed. Enrichment analysis for significantly enriched pathways suggested the roles of MAPK signaling, phytohormone signal transduction, and sugar metabolism. Genes involved in floral organ transition and flowering were obtained and analyzed; these mainly belonged to the M-type MADS-box gene family. Three flowering-related genes (SOC1/AGL20, ANT, and SVP) strongly interacted with transcription factors in the co-expression network. Two key CO genes (CO3 and CO1) were identified in the photoperiod pathway. We also identified two GA20xs genes, one SVP gene, and five AGL genes (AGL8, AGL9, AGL15, AGL19, and AGL42) that contributed to flower development. The findings are expected to provide a genetic basis for the studies on the regulatory networks and reproductive biology in inflorescence development for J. mandshurica.
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Genome-wide identification, phylogenetic and expression pattern analysis of MADS-box family genes in foxtail millet (Setaria italica). Sci Rep 2022; 12:4979. [PMID: 35322041 PMCID: PMC8943164 DOI: 10.1038/s41598-022-07103-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Accepted: 02/10/2022] [Indexed: 11/28/2022] Open
Abstract
Foxtail millet (Setaria italica) is rich in nutrients and extremely beneficial to human health. We identified and comprehensively analyzed 89 MADS-box genes in the foxtail millet genome. According to the classification of MADS-box genes in Arabidopsis thaliana and rice, the SiMADS-box genes were divided into M-type (37) and MIKC-type (52). During evolution, the differentiation of MIKC-type MADS-box genes occurred before that of monocotyledons and dicotyledons. The SiMADS-box gene structure has undergone much differentiation, and the number of introns in the MIKC-type subfamily is much greater than that in the M-type subfamily. Analysis of gene duplication events revealed that MIKC-type MADS-box gene segmental duplication accounted for the vast majority of gene duplication events, and MIKC-type MADS-box genes played a major role in the amplification of SiMADS-box genes. Collinearity analysis showed highest collinearity between foxtail millet and maize MADS-box genes. Analysis of tissue-specific expression showed that SiMADS-box genes are highly expressed throughout the grain-filling process. Expression analysis of SiMADS-box genes under eight different abiotic stresses revealed many stress-tolerant genes, with induced expression of SiMADS33 and SiMADS78 under various stresses warranting further attention. Further, some SiMADS-box proteins may interact under external stress. This study provides insights for MADS-box gene mining and molecular breeding of foxtail millet in the future.
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Guan H, Wang H, Huang J, Liu M, Chen T, Shan X, Chen H, Shen J. Genome-Wide Identification and Expression Analysis of MADS-Box Family Genes in Litchi ( Litchi chinensis Sonn.) and Their Involvement in Floral Sex Determination. PLANTS 2021; 10:plants10102142. [PMID: 34685951 PMCID: PMC8540616 DOI: 10.3390/plants10102142] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/25/2021] [Revised: 09/08/2021] [Accepted: 09/18/2021] [Indexed: 11/16/2022]
Abstract
Litchi possesses unique flower morphology and adaptive reproduction strategies. Although previous attention has been intensively devoted to the mechanisms underlying its floral induction, the molecular basis of flower sex determination remains largely unknown. MADS-box genes are promising candidates for this due to their significant roles in various aspects of inflorescence and flower organogenesis. Here, we present a detailed overview of phylogeny and expression profiles of 101 MADS-box genes that were identified in litchi. These LcMADSs are unevenly located across the 15 chromosomes and can be divided into type I and type II genes. Fifty type I MADS-box genes are subdivided into Mα, Mβ and Mγ subgroups, while fifty-one type II LcMADSs consist of 37 MIKCC -type and 14 MIKC *-type genes. Promoters of both types of LcMADS genes contain mainly ABA and MeJA response elements. Tissue-specific and development-related expression analysis reveal that LcMADS51 could be positively involved in litchi carpel formation, while six MADS-box genes, including LcMADS42/46/47/75/93/100, play a possible role in stamen development. GA is positively involved in the sex determination of litchi flowers by regulating the expression of LcMADS51 (LcSTK). However, JA down-regulates the expression of floral organ identity genes, suggesting a negative role in litchi flower development.
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Affiliation(s)
- Hongling Guan
- Key Laboratory of Biology and Germplasm Enhancement of Horticultural Crops in South China, Ministry of Agriculture, South China Agricultural University, Guangzhou 510642, China; (H.G.); (H.W.); (J.H.); (M.L.); (T.C.); (X.S.)
- Guangdong Litchi Engineering Research Center, College of Horticulture, South China Agricultural University, Guangzhou 510642, China
| | - Han Wang
- Key Laboratory of Biology and Germplasm Enhancement of Horticultural Crops in South China, Ministry of Agriculture, South China Agricultural University, Guangzhou 510642, China; (H.G.); (H.W.); (J.H.); (M.L.); (T.C.); (X.S.)
- Guangdong Litchi Engineering Research Center, College of Horticulture, South China Agricultural University, Guangzhou 510642, China
| | - Jianjun Huang
- Key Laboratory of Biology and Germplasm Enhancement of Horticultural Crops in South China, Ministry of Agriculture, South China Agricultural University, Guangzhou 510642, China; (H.G.); (H.W.); (J.H.); (M.L.); (T.C.); (X.S.)
- Guangdong Litchi Engineering Research Center, College of Horticulture, South China Agricultural University, Guangzhou 510642, China
| | - Mingxin Liu
- Key Laboratory of Biology and Germplasm Enhancement of Horticultural Crops in South China, Ministry of Agriculture, South China Agricultural University, Guangzhou 510642, China; (H.G.); (H.W.); (J.H.); (M.L.); (T.C.); (X.S.)
- Guangdong Litchi Engineering Research Center, College of Horticulture, South China Agricultural University, Guangzhou 510642, China
| | - Ting Chen
- Key Laboratory of Biology and Germplasm Enhancement of Horticultural Crops in South China, Ministry of Agriculture, South China Agricultural University, Guangzhou 510642, China; (H.G.); (H.W.); (J.H.); (M.L.); (T.C.); (X.S.)
- Guangdong Litchi Engineering Research Center, College of Horticulture, South China Agricultural University, Guangzhou 510642, China
| | - Xiaozhen Shan
- Key Laboratory of Biology and Germplasm Enhancement of Horticultural Crops in South China, Ministry of Agriculture, South China Agricultural University, Guangzhou 510642, China; (H.G.); (H.W.); (J.H.); (M.L.); (T.C.); (X.S.)
- Guangdong Litchi Engineering Research Center, College of Horticulture, South China Agricultural University, Guangzhou 510642, China
| | - Houbin Chen
- Key Laboratory of Biology and Germplasm Enhancement of Horticultural Crops in South China, Ministry of Agriculture, South China Agricultural University, Guangzhou 510642, China; (H.G.); (H.W.); (J.H.); (M.L.); (T.C.); (X.S.)
- Guangdong Litchi Engineering Research Center, College of Horticulture, South China Agricultural University, Guangzhou 510642, China
- Maoming Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Maoming 525000, China
- Correspondence: (H.C.); (J.S.); Tel.: +86-20-85280231 (H.C. & J.S.)
| | - Jiyuan Shen
- Key Laboratory of Biology and Germplasm Enhancement of Horticultural Crops in South China, Ministry of Agriculture, South China Agricultural University, Guangzhou 510642, China; (H.G.); (H.W.); (J.H.); (M.L.); (T.C.); (X.S.)
- Guangdong Litchi Engineering Research Center, College of Horticulture, South China Agricultural University, Guangzhou 510642, China
- Maoming Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Maoming 525000, China
- Correspondence: (H.C.); (J.S.); Tel.: +86-20-85280231 (H.C. & J.S.)
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Comprehensive Analysis of Five Phyllostachys edulis SQUA-like Genes and Their Potential Functions in Flower Development. Int J Mol Sci 2021; 22:ijms221910868. [PMID: 34639205 PMCID: PMC8509223 DOI: 10.3390/ijms221910868] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 09/27/2021] [Accepted: 10/04/2021] [Indexed: 11/17/2022] Open
Abstract
Bamboo is one of the most important non-timber forest resources worldwide. It has considerable economic value and unique flowering characteristics. The long juvenile phase in bamboo and unpredictable flowering time limit breeding and genetic improvement and seriously affect the productivity and application of bamboo forests. Members of SQUA-like subfamily genes play an essential role in controlling flowering time and floral organ identity. A comprehensive study was conducted to explain the functions of five SQUA-like subfamily genes in Phyllostachys edulis. Expression analysis revealed that all PeSQUAs have higher transcript levels in the reproductive period than in the juvenile phase. However, PeSQUAs showed divergent expression patterns during inflorescence development. The protein–protein interaction (PPI) patterns among PeSQUAs and other MADS-box members were analyzed by yeast two-hybrid (Y2H) experiments. Consistent with amino acid sequence similarity and phylogenetic analysis, the PPI patterns clustered into two groups. PeMADS2, 13, and 41 interacted with multiple PeMADS proteins, whereas PeMADS3 and 28 hardly interacted with other proteins. Based on our results, PeSQUA might possess different functions by forming protein complexes with other MADS-box proteins at different flowering stages. Furthermore, we chose PeMADS2 for functional analysis. Ectopic expression of PeMADS2 in Arabidopsis and rice caused early flowering, and abnormal phenotype was observed in transgenic Arabidopsis lines. RNA-seq analysis indicated that PeMADS2 integrated multiple pathways regulating floral transition to trigger early flowering time in rice. This function might be due to the interaction between PeMADS2 and homologous in rice. Therefore, we concluded that the five SQUA-like genes showed functional conservation and divergence based on sequence differences and were involved in floral transitions by forming protein complexes in P. edulis. The MADS-box protein complex model obtained in the current study will provide crucial insights into the molecular mechanisms of bamboo’s unique flowering characteristics.
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Sun J, Wang M, Zhao C, Liu T, Liu Z, Fan Y, Xue Y, Li W, Zhang X, Zhao L. GmFULc Is Induced by Short Days in Soybean and May Accelerate Flowering in Transgenic Arabidopsis thaliana. Int J Mol Sci 2021; 22:10333. [PMID: 34638672 PMCID: PMC8508813 DOI: 10.3390/ijms221910333] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 09/20/2021] [Accepted: 09/22/2021] [Indexed: 11/21/2022] Open
Abstract
Flowering is an important developmental process from vegetative to reproductive growth in plant; thus, it is necessary to analyze the genes involved in the regulation of flowering time. The MADS-box transcription factor family exists widely in plants and plays an important role in the regulation of flowering time. However, the molecular mechanism of GmFULc involved in the regulation of plant flowering is not very clear. In this study, GmFULc protein had a typical MADS domain and it was a member of MADS-box transcription factor family. The expression analysis revealed that GmFULc was induced by short days (SD) and regulated by the circadian clock. Compared to wild type (WT), overexpression of GmFULc in transgenic Arabidopsis caused significantly earlier flowering time, while ful mutants flowered later, and overexpression of GmFULc rescued the late-flowering phenotype of ful mutants. ChIP-seq of GmFULc binding sites identified potential direct targets, including TOPLESS (TPL), and it inhibited the transcriptional activity of TPL. In addition, the transcription levels of FLOWERING LOCUS T (FT), SUPPRESSOR OF OVEREXPRESSION OF CONSTANS1 (SOC1) and LEAFY (LFY) in the downstream of TPL were increased in GmFULc- overexpressionArabidopsis, suggesting that the early flowering phenotype was associated with up-regulation of these genes. Our results suggested that GmFULc inhibited the transcriptional activity of TPL and induced expression of FT, SOC1 and LFY to promote flowering.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Xiaoming Zhang
- Key Laboratory of Soybean Biology of Ministry of Education China, Northeast Agricultural University, Harbin 150030, China; (J.S.); (M.W.); (C.Z.); (T.L.); (Z.L.); (Y.F.); (Y.X.); (W.L.)
| | - Lin Zhao
- Key Laboratory of Soybean Biology of Ministry of Education China, Northeast Agricultural University, Harbin 150030, China; (J.S.); (M.W.); (C.Z.); (T.L.); (Z.L.); (Y.F.); (Y.X.); (W.L.)
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Ren L, Sun H, Dai S, Feng S, Qiao K, Wang J, Gong S, Zhou A. Identification and Characterization of MIKC c-Type MADS-Box Genes in the Flower Organs of Adonis amurensis. Int J Mol Sci 2021; 22:ijms22179362. [PMID: 34502271 PMCID: PMC8430553 DOI: 10.3390/ijms22179362] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2021] [Revised: 08/25/2021] [Accepted: 08/26/2021] [Indexed: 01/22/2023] Open
Abstract
Adonis amurensis is a perennial herbaceous flower that blooms in early spring in northeast China, where the night temperature can drop to −15 °C. To understand flowering time regulation and floral organogenesis of A. amurensis, the MIKCc-type MADS (Mcm1/Agamous/ Deficiens/Srf)-box genes were identified and characterized from the transcriptomes of the flower organs. In this study, 43 non-redundant MADS-box genes (38 MIKCc, 3 MIKC*, and 2 Mα) were identified. Phylogenetic and conserved motif analysis divided the 38 MIKCc-type genes into three major classes: ABCDE model (including AP1/FUL, AP3/PI, AG, STK, and SEPs/AGL6), suppressor of overexpression of constans1 (SOC1), and short vegetative phase (SVP). qPCR analysis showed that the ABCDE model genes were highly expressed mainly in flowers and differentially expressed in the different tissues of flower organs, suggesting that they may be involved in the flower organ identity of A. amurensis. Subcellular localization revealed that 17 full-length MADSs were mainly localized in the nucleus: in Arabidopsis, the heterologous expression of three full-length SOC1-type genes caused early flowering and altered the expression of endogenous flowering time genes. Our analyses provide an overall insight into MIKCc genes in A. amurensis and their potential roles in floral organogenesis and flowering time regulation.
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21
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Dong X, Deng H, Ma W, Zhou Q, Liu Z. Genome-wide identification of the MADS-box transcription factor family in autotetraploid cultivated alfalfa (Medicago sativa L.) and expression analysis under abiotic stress. BMC Genomics 2021; 22:603. [PMID: 34362293 PMCID: PMC8348820 DOI: 10.1186/s12864-021-07911-9] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Accepted: 07/23/2021] [Indexed: 02/06/2023] Open
Abstract
Background Alfalfa, the “queen of forage”, is the most extensively cultivated forage legume in the world. The development and yield of alfalfa are seriously limited by abiotic stress. MADS-box transcription factors are one of the largest gene families and play a pivotal role in plant development and abiotic stress. However, little is known regarding the MADS-box transcription factors in autotetraploid cultivated alfalfa. Results In the present study, we identified 120 MsMADS-box genes in the alfalfa genome. Phylogenetic analysis indicated that 75 type-I MsMADS-box genes were classified into the Mα, Mβ, and Mγ subgroups, and 45 type-II MsMADS-box genes were classified into 11 subgroups. The promoter region of MsMADS-box genes containing several hormone and stress related elements. Chromosomal location analysis revealed that 117 MsMADS-box genes were unevenly distributed on 32 chromosomes, and the remaining three genes were located on unmapped scaffolds. A total of nine pairs of segmental duplications and four groups of tandem duplications were found. Expression analysis showed that MsMADS-box genes were differentially expressed in various tissues and under abiotic stresses. qRT-PCR analysis revealed that the expression profiles of eight selected MsMADS-box genes were distinct under various stresses. Conclusions In this study, MsMADS-box genes were identified in the cultivated alfalfa genome based on autotetraploid level, and further confirmed by Gene Ontology (GO) analysis, phylogenetic analysis, sequence features and expression analysis. Taken together, these findings will provide clues for further study of MsMADS-box functions and alfalfa molecular breeding. Our study is the first to systematically identify and characterize the MADS-box transcription factors in autotetraploid cultivated alfalfa (Medicago sativa L.), and eight MsMADS-box genes were significantly involved in response to various stresses. Supplementary Information The online version contains supplementary material available at 10.1186/s12864-021-07911-9.
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Affiliation(s)
- Xueming Dong
- State Key Laboratory of Grassland Agro-ecosystems, Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, Engineering Research Center of Grassland Industry, Ministry of Education, College of Pastoral Agriculture Science and Technology, Lanzhou University, 730000, Lanzhou, People's Republic of China
| | - Hao Deng
- State Key Laboratory of Grassland Agro-ecosystems, Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, Engineering Research Center of Grassland Industry, Ministry of Education, College of Pastoral Agriculture Science and Technology, Lanzhou University, 730000, Lanzhou, People's Republic of China
| | - Wenxue Ma
- State Key Laboratory of Grassland Agro-ecosystems, Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, Engineering Research Center of Grassland Industry, Ministry of Education, College of Pastoral Agriculture Science and Technology, Lanzhou University, 730000, Lanzhou, People's Republic of China
| | - Qiang Zhou
- State Key Laboratory of Grassland Agro-ecosystems, Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, Engineering Research Center of Grassland Industry, Ministry of Education, College of Pastoral Agriculture Science and Technology, Lanzhou University, 730000, Lanzhou, People's Republic of China
| | - Zhipeng Liu
- State Key Laboratory of Grassland Agro-ecosystems, Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, Engineering Research Center of Grassland Industry, Ministry of Education, College of Pastoral Agriculture Science and Technology, Lanzhou University, 730000, Lanzhou, People's Republic of China.
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Zhao W, Zhang LL, Xu ZS, Fu L, Pang HX, Ma YZ, Min DH. Genome-Wide Analysis of MADS-Box Genes in Foxtail Millet ( Setaria italica L.) and Functional Assessment of the Role of SiMADS51 in the Drought Stress Response. FRONTIERS IN PLANT SCIENCE 2021; 12:659474. [PMID: 34262576 PMCID: PMC8273297 DOI: 10.3389/fpls.2021.659474] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Accepted: 04/26/2021] [Indexed: 05/26/2023]
Abstract
MADS-box transcription factors play vital roles in multiple biological processes in plants. At present, a comprehensive investigation into the genome-wide identification and classification of MADS-box genes in foxtail millet (Setaria italica L.) has not been reported. In this study, we identified 72 MADS-box genes in the foxtail millet genome and give an overview of the phylogeny, chromosomal location, gene structures, and potential functions of the proteins encoded by these genes. We also found that the expression of 10 MIKC-type MADS-box genes was induced by abiotic stresses (PEG-6000 and NaCl) and exogenous hormones (ABA and GA), which suggests that these genes may play important regulatory roles in response to different stresses. Further studies showed that transgenic Arabidopsis and rice (Oryza sativa L.) plants overexpressing SiMADS51 had reduced drought stress tolerance as revealed by lower survival rates and poorer growth performance under drought stress conditions, which demonstrated that SiMADS51 is a negative regulator of drought stress tolerance in plants. Moreover, expression of some stress-related genes were down-regulated in the SiMADS51-overexpressing plants. The results of our study provide an overall picture of the MADS-box gene family in foxtail millet and establish a foundation for further research on the mechanisms of action of MADS-box proteins with respect to abiotic stresses.
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Affiliation(s)
- Wan Zhao
- College of Agronomy, Northwest A&F University/State Key Laboratory of Crop Stress Biology for Arid Areas, Yangling, China
- Institute of Crop Science, Chinese Academy of Agricultural Sciences/National Key Facility for Crop Gene Resources and Genetic Improvement, Key Laboratory of Biology and Genetic Improvement of Triticeae Crops, Ministry of Agriculture, Beijing, China
| | - Li-Li Zhang
- College of Agronomy, Northwest A&F University/State Key Laboratory of Crop Stress Biology for Arid Areas, Yangling, China
| | - Zhao-Shi Xu
- Institute of Crop Science, Chinese Academy of Agricultural Sciences/National Key Facility for Crop Gene Resources and Genetic Improvement, Key Laboratory of Biology and Genetic Improvement of Triticeae Crops, Ministry of Agriculture, Beijing, China
| | - Liang Fu
- Xinxiang Academy of Agricultural Sciences of He’nan Province, Xinxiang, China
| | - Hong-Xi Pang
- College of Agronomy, Northwest A&F University/State Key Laboratory of Crop Stress Biology for Arid Areas, Yangling, China
| | - You-Zhi Ma
- Institute of Crop Science, Chinese Academy of Agricultural Sciences/National Key Facility for Crop Gene Resources and Genetic Improvement, Key Laboratory of Biology and Genetic Improvement of Triticeae Crops, Ministry of Agriculture, Beijing, China
| | - Dong-Hong Min
- College of Agronomy, Northwest A&F University/State Key Laboratory of Crop Stress Biology for Arid Areas, Yangling, China
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Ye LX, Zhang JX, Hou XJ, Qiu MQ, Wang WF, Zhang JX, Hu CG, Zhang JZ. A MADS-Box Gene CiMADS43 Is Involved in Citrus Flowering and Leaf Development through Interaction with CiAGL9. Int J Mol Sci 2021; 22:ijms22105205. [PMID: 34069068 PMCID: PMC8156179 DOI: 10.3390/ijms22105205] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2021] [Revised: 05/10/2021] [Accepted: 05/12/2021] [Indexed: 11/16/2022] Open
Abstract
MADS-box genes are involved in various developmental processes including vegetative development, flower architecture, flowering, pollen formation, seed and fruit development. However, the function of most MADS-box genes and their regulation mechanism are still unclear in woody plants compared with model plants. In this study, a MADS-box gene (CiMADS43) was identified in citrus. Phylogenetic and sequence analysis showed that CiMADS43 is a GOA-like Bsister MADS-box gene. It was localized in the nucleus and as a transcriptional activator. Overexpression of CiMADS43 promoted early flowering and leaves curling in transgenic Arabidopsis. Besides, overexpression or knockout of CiMADS43 also showed leaf curl phenotype in citrus similar to that of CiMADS43 overexpressed in Arabidopsis. Protein–protein interaction found that a SEPALLATA (SEP)-like protein (CiAGL9) interacted with CiMADS43 protein. Interestingly, CiAGL9 also can bind to the CiMADS43 promoter and promote its transcription. Expression analysis also showed that these two genes were closely related to seasonal flowering and the development of the leaf in citrus. Our findings revealed the multifunctional roles of CiMADS43 in the vegetative and reproductive development of citrus. These results will facilitate our understanding of the evolution and molecular mechanisms of MADS-box genes in citrus.
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24
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Ma R, Huang B, Chen J, Huang Z, Yu P, Ruan S, Zhang Z. Genome-wide identification and expression analysis of dirigent-jacalin genes from plant chimeric lectins in Moso bamboo (Phyllostachys edulis). PLoS One 2021; 16:e0248318. [PMID: 33724993 PMCID: PMC7963094 DOI: 10.1371/journal.pone.0248318] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Accepted: 02/24/2021] [Indexed: 12/02/2022] Open
Abstract
Dirigent-jacalin (D-J) genes belong to the plant chimeric lectin family, and play vital roles in plant growth and resistance to abiotic and biotic stresses. To explore the functions of the D-J family in the growth and development of Moso bamboo (Phyllostachys edulis), their physicochemical properties, phylogenetic relationships, gene and protein structures, and expression patterns were analyzed in detail. Four putative PeD-J genes were identified in the Moso bamboo genome, and microsynteny and phylogenetic analyses indicated that they represent a new branch in the evolution of plant lectins. PeD-J proteins were found to be composed of a dirigent domain and a jacalin-related lectin domain, each of which contained two different motifs. Multiple sequence alignment and homologous modeling analysis indicated that the three-dimensional structure of the PeD-J proteins was significantly different compared to other plant lectins, primarily due to the tandem dirigent and jacalin domains. We surveyed the upstream putative promoter regions of the PeD-Js and found that they mainly contained cis-acting elements related to hormone and abiotic stress response. An analysis of the expression patterns of root, leaf, rhizome and panicle revealed that four PeD-J genes were highly expressed in the panicle, indicating that they may be required during the formation and development of several different tissue types in Moso bamboo. Moreover, PeD-J genes were shown to be involved in the rapid growth and development of bamboo shoots. Quantitative Real-time PCR (qRT PCR) assays further verified that D-J family genes were responsive to hormones and stresses. The results of this study will help to elucidate the biological functions of PeD-Js during bamboo growth, development and stress response.
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Affiliation(s)
- Ruifang Ma
- State Key Laboratory of Subtropical Forest Cultivation, Zhejiang A&F University, Lin’an, Hangzhou, Zhejiang, China
- School of Forestry and Biotechnology, Zhejiang A&F University, Lin’an, Hangzhou, Zhejiang, China
| | - Bin Huang
- State Key Laboratory of Subtropical Forest Cultivation, Zhejiang A&F University, Lin’an, Hangzhou, Zhejiang, China
- School of Forestry and Biotechnology, Zhejiang A&F University, Lin’an, Hangzhou, Zhejiang, China
| | - Jialu Chen
- State Key Laboratory of Subtropical Forest Cultivation, Zhejiang A&F University, Lin’an, Hangzhou, Zhejiang, China
- School of Forestry and Biotechnology, Zhejiang A&F University, Lin’an, Hangzhou, Zhejiang, China
| | - Zhinuo Huang
- State Key Laboratory of Subtropical Forest Cultivation, Zhejiang A&F University, Lin’an, Hangzhou, Zhejiang, China
- School of Forestry and Biotechnology, Zhejiang A&F University, Lin’an, Hangzhou, Zhejiang, China
| | - Peiyao Yu
- State Key Laboratory of Subtropical Forest Cultivation, Zhejiang A&F University, Lin’an, Hangzhou, Zhejiang, China
- School of Forestry and Biotechnology, Zhejiang A&F University, Lin’an, Hangzhou, Zhejiang, China
| | - Shiyu Ruan
- State Key Laboratory of Subtropical Forest Cultivation, Zhejiang A&F University, Lin’an, Hangzhou, Zhejiang, China
- School of Forestry and Biotechnology, Zhejiang A&F University, Lin’an, Hangzhou, Zhejiang, China
| | - Zhijun Zhang
- State Key Laboratory of Subtropical Forest Cultivation, Zhejiang A&F University, Lin’an, Hangzhou, Zhejiang, China
- School of Forestry and Biotechnology, Zhejiang A&F University, Lin’an, Hangzhou, Zhejiang, China
- * E-mail:
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25
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Zhang M, Hu S, Yi F, Gao Y, Zhu D, Wang Y, Cai Y, Hou D, Lin X, Shen J. Organelle Visualization With Multicolored Fluorescent Markers in Bamboo. FRONTIERS IN PLANT SCIENCE 2021; 12:658836. [PMID: 33936145 PMCID: PMC8081836 DOI: 10.3389/fpls.2021.658836] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Accepted: 03/12/2021] [Indexed: 05/03/2023]
Abstract
Bamboo is an important model plant to study the molecular mechanisms of rapid shoot growth and flowering once in a lifetime. However, bamboo research about protein functional characterization is largely lagged behind, mainly due to the lack of gene transformation platforms. In this study, a protoplast transient gene expression system in moso bamboo has been first established. Using this reliable and efficient system, we have generated a set of multicolored fluorescent markers based on the targeting sequences from endogenous proteins, which have been validated by their comparative localization with Arabidopsis organelle markers, in a combination with pharmaceutical treatments. Moreover, we further demonstrated the power of this multicolor marker set for rapid, combinatorial analysis of the subcellular localization of uncharacterized proteins, which may play potential functions in moso bamboo flowering and fast growth of shoots. Finally, this protoplast transient gene expression system has been elucidated for functional analysis in protein-protein interaction by fluorescence resonance energy transfer (FRET) and co-immunoprecipitation analysis. Taken together, in combination with the set of moso bamboo organelle markers, the protoplast transient gene expression system could be used for subcellular localization and functional study of unknown proteins in bamboo and will definitely promote rapid progress in diverse areas of research in bamboo plants.
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Affiliation(s)
- Mengdi Zhang
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou, China
| | - Shuai Hu
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou, China
| | - Fang Yi
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou, China
| | - Yanli Gao
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou, China
| | - Dongmei Zhu
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou, China
| | - Yizhu Wang
- College of Life Science, Sichuan Agricultural University, Ya'an, China
| | - Yi Cai
- College of Life Science, Sichuan Agricultural University, Ya'an, China
| | - Dan Hou
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou, China
| | - Xinchun Lin
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou, China
| | - Jinbo Shen
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou, China
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26
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Ramakrishnan M, Yrjälä K, Vinod KK, Sharma A, Cho J, Satheesh V, Zhou M. Genetics and genomics of moso bamboo (Phyllostachys edulis): Current status, future challenges, and biotechnological opportunities toward a sustainable bamboo industry. Food Energy Secur 2020. [DOI: 10.1002/fes3.229] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Affiliation(s)
| | - Kim Yrjälä
- State Key Laboratory of Subtropical Silviculture Zhejiang A&F University Hangzhou China
- Department of Forest Sciences University of Helsinki Helsinki Finland
| | | | - Anket Sharma
- State Key Laboratory of Subtropical Silviculture Zhejiang A&F University Hangzhou China
| | - Jungnam Cho
- National Key Laboratory of Plant Molecular Genetics CAS Center for Excellence in Molecular Plant Sciences Shanghai Institute of Plant Physiology and Ecology Chinese Academy of Sciences Shanghai China
- CAS‐JIC Centre of Excellence for Plant and Microbial Science (CEPAMS) Chinese Academy of Sciences Shanghai China
| | - Viswanathan Satheesh
- National Key Laboratory of Plant Molecular Genetics CAS Center for Excellence in Molecular Plant Sciences Shanghai Institute of Plant Physiology and Ecology Chinese Academy of Sciences Shanghai China
- Shanghai Center for Plant Stress Biology CAS Center for Excellence in Molecular Plant Sciences Chinese Academy of Sciences Shanghai China
| | - Mingbing Zhou
- State Key Laboratory of Subtropical Silviculture Zhejiang A&F University Hangzhou China
- Zhejiang Provincial Collaborative Innovation Centre for Bamboo Resources and High‐efficiency Utilization Zhejiang A&F University Hangzhou China
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27
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Yang Y, Kang L, Wu R, Chen Y, Lu C. Genome-wide identification and characterization of UDP-glucose dehydrogenase family genes in moso bamboo and functional analysis of PeUGDH4 in hemicellulose synthesis. Sci Rep 2020; 10:10124. [PMID: 32576917 PMCID: PMC7311537 DOI: 10.1038/s41598-020-67227-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Accepted: 06/04/2020] [Indexed: 01/24/2023] Open
Abstract
Uridine diphosphate glucose dehydrogenases (UGDHs) are critical for synthesizing many nucleotide sugars and help promote the carbohydrate metabolism related to cell wall synthesis. In plants, UGDHs are encoded by a small gene family. Genome-wide analyses of these genes have been conducted in Glycine max and Arabidopsis thaliana, however, the UGDH gene family has not been comprehensively and systematically investigated in moso bamboo (Phyllostachys edulis), which is a special woody grass monocotyledonous species. In this study, we identified nine putative PeUGDH genes. Furthermore, analysis of gene duplication events and divergences revealed that the expansion of the PeUGDH family was mainly due to segmental and tandem duplications approximately 4.76-83.16 million years ago. An examination of tissue-specific PeUGDH expression indicated that more than 77% of the genes were predominantly expressed in the stem. Based on relative expression levels among PeUGDH members in different tissues in moso bamboo, PeUGDH4 was selected for detailed analysis. The results of subcellular localization indicated that PeUGDH4-GFP fusion proteins was observed to be localized in the cytoplasm. The ectopic overexpression of PeUGDH4 in Arabidopsis significantly increased the contents of hemicellulose and soluble sugar, suggesting that PeUGDH4 acts as a key enzyme involved in bamboo cell wall synthesis.
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Affiliation(s)
- Ying Yang
- Beijing Advanced Innovation Center for Tree Breeding by Molecular Design, Beijing Forestry University, Beijing, 100083, China
- College of Biological Sciences and Technology, Beijing Forestry University, Beijing, 100083, China
| | - Lan Kang
- Beijing Advanced Innovation Center for Tree Breeding by Molecular Design, Beijing Forestry University, Beijing, 100083, China
- College of Biological Sciences and Technology, Beijing Forestry University, Beijing, 100083, China
| | - Ruihua Wu
- Beijing Advanced Innovation Center for Tree Breeding by Molecular Design, Beijing Forestry University, Beijing, 100083, China
- College of Biological Sciences and Technology, Beijing Forestry University, Beijing, 100083, China
| | - Yuzhen Chen
- Beijing Advanced Innovation Center for Tree Breeding by Molecular Design, Beijing Forestry University, Beijing, 100083, China
- College of Biological Sciences and Technology, Beijing Forestry University, Beijing, 100083, China
| | - Cunfu Lu
- Beijing Advanced Innovation Center for Tree Breeding by Molecular Design, Beijing Forestry University, Beijing, 100083, China.
- College of Biological Sciences and Technology, Beijing Forestry University, Beijing, 100083, China.
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28
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Tang Y, Wang J, Bao X, Wu Q, Yang T, Li H, Wang W, Zhang Y, Bai N, Guan Y, Dai J, Xie Y, Li S, Huo R, Cheng W. Genome-wide analysis of Jatropha curcas MADS-box gene family and functional characterization of the JcMADS40 gene in transgenic rice. BMC Genomics 2020; 21:325. [PMID: 32345214 PMCID: PMC7187513 DOI: 10.1186/s12864-020-6741-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Accepted: 04/16/2020] [Indexed: 11/17/2022] Open
Abstract
Background Physic nut (Jatropha curcas), an inedible oilseed plant, is among the most promising alternative energy sources because of its high oil content, rapid growth and extensive adaptability. Proteins encoded by MADS-box family genes are important transcription factors participated in regulating plant growth, seed development and responses to abiotic stress. However, there has been no in-depth research on the MADS-box genes and their roles in physic nut. Results In our study, 63 MADS-box genes (JcMADSs) were identified in the physic nut genome, and classed into five groups (MIKCC, Mα, Mβ, Mγ, MIKC*) according to phylogenetic comparison with Arabidopsis homologs. Expression profile analysis based on RNA-seq suggested that many JcMADS genes had the strongest expression in seeds, and seven of them responded in leaves to at least one abiotic stressor (drought and/or salinity) at one or more time points. Transient expression analysis and a transactivation assay indicated that JcMADS40 is a nucleus-localized transcriptional activator. Plants overexpressing JcMADS40 did not show altered plant growth, but the overexpressing plants did exhibit reductions in grain size, grain length, grain width, 1000-seed weight and yield per plant. Further data on the reduced grain size in JcMADS40-overexpressing plants supported the putative role of JcMADS genes in seed development. Conclusions This study will be useful in order to further understand the process of MADS-box genes involved in regulating growth and development in addition to their functions in abiotic stress resistance, and will eventually provide a theoretical basis for the functional investigation and the exploitation of candidate genes for the molecular improvement of physic nut.
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Affiliation(s)
- Yuehui Tang
- Key Laboratory of Plant Genetics and Molecular Breeding, Zhoukou Normal University, Henan, Zhoukou, China. .,Henan Key Laboratory of Crop Molecular Breeding and Bioreactor, Henan, Zhoukou, China.
| | - Jian Wang
- Key Laboratory of Plant Genetics and Molecular Breeding, Zhoukou Normal University, Henan, Zhoukou, China.,Henan Key Laboratory of Crop Molecular Breeding and Bioreactor, Henan, Zhoukou, China
| | - Xinxin Bao
- School of Journalism and Communication, Zhoukou Normal University, Henan, Zhoukou, China
| | - Qian Wu
- Key Laboratory of Plant Genetics and Molecular Breeding, Zhoukou Normal University, Henan, Zhoukou, China
| | - Tongwen Yang
- Key Laboratory of Plant Genetics and Molecular Breeding, Zhoukou Normal University, Henan, Zhoukou, China
| | - Han Li
- Key Laboratory of Plant Genetics and Molecular Breeding, Zhoukou Normal University, Henan, Zhoukou, China
| | - Wenxia Wang
- Key Laboratory of Plant Genetics and Molecular Breeding, Zhoukou Normal University, Henan, Zhoukou, China
| | - Yizhen Zhang
- Key Laboratory of Plant Genetics and Molecular Breeding, Zhoukou Normal University, Henan, Zhoukou, China
| | - Nannan Bai
- Key Laboratory of Plant Genetics and Molecular Breeding, Zhoukou Normal University, Henan, Zhoukou, China
| | - Yaxin Guan
- Key Laboratory of Plant Genetics and Molecular Breeding, Zhoukou Normal University, Henan, Zhoukou, China
| | - Jiaxi Dai
- Key Laboratory of Plant Genetics and Molecular Breeding, Zhoukou Normal University, Henan, Zhoukou, China
| | - Yanjie Xie
- Key Laboratory of Plant Genetics and Molecular Breeding, Zhoukou Normal University, Henan, Zhoukou, China
| | - Shen Li
- Key Laboratory of Plant Genetics and Molecular Breeding, Zhoukou Normal University, Henan, Zhoukou, China
| | - Rui Huo
- Key Laboratory of Plant Genetics and Molecular Breeding, Zhoukou Normal University, Henan, Zhoukou, China
| | - Wei Cheng
- Key Laboratory of Plant Genetics and Molecular Breeding, Zhoukou Normal University, Henan, Zhoukou, China
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29
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Li Y, Zhang C, Yang K, Shi J, Ding Y, Gao Z. De novo sequencing of the transcriptome reveals regulators of the floral transition in Fargesia macclureana (Poaceae). BMC Genomics 2019; 20:1035. [PMID: 31888463 PMCID: PMC6937737 DOI: 10.1186/s12864-019-6418-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Accepted: 12/19/2019] [Indexed: 12/25/2022] Open
Abstract
Background Fargesia macclureana (Poaceae) is a woody bamboo species found on the Qinghai–Tibet Plateau (QTP) approximately 2000 ~ 3800 m above sea level. It rarely blossoms in the QTP, but it flowered 20 days after growing in our lab, which is in a low-altitude area outside the QTP. To date, little is known regarding the molecular mechanism of bamboo flowering, and no studies of flowering have been conducted on wild bamboo plants growing in extreme environments. Here, we report the first de novo transcriptome sequence for F. macclureana to investigate the putative mechanisms underlying the flowering time control used by F. macclureana to adapt to its environment. Results Illumina deep sequencing of the F. macclureana transcriptome generated 140.94 Gb of data, assembled into 99,056 unigenes. A comprehensive analysis of the broadly, specifically and differentially expressed unigenes (BEUs, SEUs and DEUs) indicated that they were mostly involved in metabolism and signal transduction, as well as DNA repair and plant-pathogen interactions, which may be of adaptive importance. In addition, comparison analysis between non-flowering and flowering tissues revealed that expressions of FmFT and FmHd3a, two putative F. macclureana orthologs, were differently regulated in NF- vs F- leaves, and carbohydrate metabolism and signal transduction were two major KEGG pathways that DEUs were enriched in. Finally, we detected 9296 simple sequence repeats (SSRs) that may be useful for further molecular marker-assisted breeding. Conclusions F. macclureana may have evolved specific reproductive strategies for flowering-related pathways in response to photoperiodic cues to ensure long vegetation growing period. Our findings will provide new insights to future investigations into the mechanisms of flowering time control and adaptive evolution in plants growing at high altitudes.
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Affiliation(s)
- Ying Li
- State Forestry and Grassland Administration Key Open Laboratory on the Science and Technology of Bamboo and Rattan, Institute of Gene Science and Industrialization for Bamboo and Rattan Resources, International Centre for Bamboo and Rattan, Beijing, 100102, China
| | - Chunxia Zhang
- Bamboo Research Institute, Nanjing Forestry University, Nanjing, 210037, Jiangsu, China
| | - Kebin Yang
- State Forestry and Grassland Administration Key Open Laboratory on the Science and Technology of Bamboo and Rattan, Institute of Gene Science and Industrialization for Bamboo and Rattan Resources, International Centre for Bamboo and Rattan, Beijing, 100102, China
| | - Jingjing Shi
- State Forestry and Grassland Administration Key Open Laboratory on the Science and Technology of Bamboo and Rattan, Institute of Gene Science and Industrialization for Bamboo and Rattan Resources, International Centre for Bamboo and Rattan, Beijing, 100102, China
| | - Yulong Ding
- Bamboo Research Institute, Nanjing Forestry University, Nanjing, 210037, Jiangsu, China
| | - Zhimin Gao
- State Forestry and Grassland Administration Key Open Laboratory on the Science and Technology of Bamboo and Rattan, Institute of Gene Science and Industrialization for Bamboo and Rattan Resources, International Centre for Bamboo and Rattan, Beijing, 100102, China.
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30
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Development and Deployment of High-Throughput Retrotransposon-Based Markers Reveal Genetic Diversity and Population Structure of Asian Bamboo. FORESTS 2019. [DOI: 10.3390/f11010031] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Bamboo, a non-timber grass species, known for exceptionally fast growth is a commercially viable crop. Long terminal repeat (LTR) retrotransposons, the main class I mobile genetic elements in plant genomes, are highly abundant (46%) in bamboo, contributing to genome diversity. They play significant roles in the regulation of gene expression, chromosome size and structure as well as in genome integrity. Due to their random insertion behavior, interspaces of retrotransposons can vary significantly among bamboo genotypes. Capitalizing this feature, inter-retrotransposon amplified polymorphism (IRAP) is a high-throughput marker system to study the genetic diversity of plant species. To date, there are no transposon based markers reported from the bamboo genome and particularly using IRAP markers on genetic diversity. Phyllostachys genus of Asian bamboo is the largest of the Bambusoideae subfamily, with great economic importance. We report structure-based analysis of bamboo genome for the LTR-retrotransposon superfamilies, Ty3-gypsy and Ty1-copia, which revealed a total of 98,850 retrotransposons with intact LTR sequences at both the ends. Grouped into 64,281 clusters/scaffold using CD-HIT-EST software, only 13 clusters of retroelements were found with more than 30 LTR sequences and with at least one copy having all intact protein domains such as gag and polyprotein. A total of 16 IRAP primers were synthesized, based on the high copy numbers of conserved LTR sequences. A study using these IRAP markers on genetic diversity and population structure of 58 Asian bamboo accessions belonging to the genus Phyllostachys revealed 3340 amplicons with an average of 98% polymorphism. The bamboo accessions were collected from nine different provinces of China, as well as from Italy and America. A three phased approach using hierarchical clustering, principal components and a model based population structure divided the bamboo accessions into four sub-populations, PhSP1, PhSP2, PhSP3 and PhSP4. All the three analyses produced significant sub-population wise consensus. Further, all the sub-populations revealed admixture of alleles. The analysis of molecular variance (AMOVA) among the sub-populations revealed high intra-population genetic variation (75%) than inter-population. The results suggest that Phyllostachys bamboos are not well evolutionarily diversified, although geographic speciation could have occurred at a limited level. This study highlights the usability of IRAP markers in determining the inter-species variability of Asian bamboos.
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Jiao Y, Hu Q, Zhu Y, Zhu L, Ma T, Zeng H, Zang Q, Li X, Lin X. Comparative transcriptomic analysis of the flower induction and development of the Lei bamboo (Phyllostachys violascens). BMC Bioinformatics 2019; 20:687. [PMID: 31874613 PMCID: PMC6929269 DOI: 10.1186/s12859-019-3261-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND Bamboo is a very important forest resource. However, the prolonged vegetative stages and uncertainty of flowering brings difficulties in bamboo flowers sampling. Until now, the flowering mechanism of bamboo is still unclear. RESULTS In this study, three successive stages of flowering buds and the corresponding vegetative buds (non-flowering stage) from Lei bamboo (Phyllostachys violascens) were collected for transcriptome analysis using Illumina RNA-Seq method. We generated about 442 million clean reads from the above samples, and 132,678 unigenes were acquired with N50 of 1080 bp. A total of 7266 differentially expressed genes (DEGs) were determined. According to expression profile and gene function analysis, some environmental stress responsive and plant hormone-related DEGs were highly expressed in the inflorescence meristem formation stage (TF_1) while some floral organ development related genes were up-regulated significantly in floral organs determination stage (TF_2) and floral organs maturation (TF_3) stage, implying the essential roles of these DEGs in flower induction and maturation of Lei bamboo. Additionally, a total of 25 MADS-box unigenes were identified. Based on the expression profile, B, C/D and E clade genes were more related to floral organs development compared with A clade genes in Lei bamboo. CONCLUSIONS This transcriptome data presents fundamental information about the genes and pathways involved in flower induction and development of Lei bamboo. Moreover, a critical sampling method is provided which could be benefit for bamboo flowering mechanism study.
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Affiliation(s)
- Yulian Jiao
- State Key Laboratory of Subtropical Silviculture, Zhejiang A & F University, Lin'An, 311300, Zhejiang, China
- Zhejiang Provincial Collaborative Innovation Center for Bamboo Resources and High-efficiency Utilization, Lin'an, 311300, Zhejiang, China
| | - Qiutao Hu
- State Key Laboratory of Subtropical Silviculture, Zhejiang A & F University, Lin'An, 311300, Zhejiang, China
| | - Yan Zhu
- Key Laboratory of Synthetic Biology, Institute of Plant Physiology and Ecology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, 200032, China
| | - Longfei Zhu
- State Key Laboratory of Subtropical Silviculture, Zhejiang A & F University, Lin'An, 311300, Zhejiang, China
| | - Tengfei Ma
- State Key Laboratory of Subtropical Silviculture, Zhejiang A & F University, Lin'An, 311300, Zhejiang, China
| | - Haiyong Zeng
- State Key Laboratory of Subtropical Silviculture, Zhejiang A & F University, Lin'An, 311300, Zhejiang, China
| | - Qiaolu Zang
- State Key Laboratory of Subtropical Silviculture, Zhejiang A & F University, Lin'An, 311300, Zhejiang, China
| | - Xuan Li
- Key Laboratory of Synthetic Biology, Institute of Plant Physiology and Ecology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, 200032, China.
| | - Xinchun Lin
- State Key Laboratory of Subtropical Silviculture, Zhejiang A & F University, Lin'An, 311300, Zhejiang, China.
- Zhejiang Provincial Collaborative Innovation Center for Bamboo Resources and High-efficiency Utilization, Lin'an, 311300, Zhejiang, China.
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Xie N, Chen LN, Dong YR, Yang HQ. Mixed mating system and variable mating patterns in tropical woody bamboos. BMC PLANT BIOLOGY 2019; 19:418. [PMID: 31604418 PMCID: PMC6787975 DOI: 10.1186/s12870-019-2024-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Accepted: 09/10/2019] [Indexed: 06/10/2023]
Abstract
BACKGROUND So far, little is known in detail about mating systems of woody bamboos. Paternity analysis of offspring improved our understanding of these systems, and contributed to their germplasm conservation and genetic improvement. RESULTS In this study, a paternity analysis of offspring from two consecutive mass or sporadically flowering events of Dendrocalamus membranaceus and D. sinicus were conducted to determine their mating system and pollen dispersal using the program COLONY based on simple sequence repeat (SSR) markers. Two sporadically flowering populations of D. sinicus (C1, C2) obtained relatively high paternity assignments rates (69.0-71.4%). Meanwhile, among three populations of D. membranaceus, the sporadically flowering population A also had much higher paternity assignments rates (56.4%) than mass flowering populations B1(28.6%) and B2 (42.5%). Both D. membranaceus and D. sinicus had mixed mating systems while their mating patterns were variable depending on pollination conditions. The maximum pollen dispersal distances were 90 m and 4378 m for D. membranaceus and D. sinicus populations, respectively, and the mating distances of these two species focused on ranges of ca. 0-50 m and 0-1500 m, respectively. CONCLUSIONS These results revealed for the first time variable mating patterns in woody bamboos. This suggests half-sib seeds from the same bamboo clump may have different male parents and it is crucial to clarify genetic origin in woody bamboos' breeding programs. The results also indicate the importance of pollinators in the mating systems of tropical woody bamboos.
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Affiliation(s)
- Ning Xie
- Research Institute of Resources Insects, Chinese Academy of Forestry, Bailongsi, Panlong District, Kunming, 650233 China
- Lushan Botanical Garden, Jiangxi Province and Chinese Academy of Sciences, Guling, Lushan District, Jiujiang, 332900 China
| | - Ling-Na Chen
- Research Institute of Resources Insects, Chinese Academy of Forestry, Bailongsi, Panlong District, Kunming, 650233 China
| | - Yu-Ran Dong
- Research Institute of Resources Insects, Chinese Academy of Forestry, Bailongsi, Panlong District, Kunming, 650233 China
| | - Han-Qi Yang
- Research Institute of Resources Insects, Chinese Academy of Forestry, Bailongsi, Panlong District, Kunming, 650233 China
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