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Wang X, Huang X, Chen L, Xie Z, Tan S, Qin X, Chen T, Huang Y, Xi J, Chen H, Yi K. Transcriptome Sequencing of Agave amaniensis Reveals Shoot-Related Expression Patterns of Expansin A Genes in Agave. PLANTS (BASEL, SWITZERLAND) 2023; 12:2020. [PMID: 37653937 PMCID: PMC10222593 DOI: 10.3390/plants12102020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2023] [Revised: 05/06/2023] [Accepted: 05/17/2023] [Indexed: 09/02/2023]
Abstract
Agave species are widely planted for fiber production. However, the molecular basis of agave fiber development has not been well understood. In this study, we performed a transcriptomic analysis in A. amaniensi, a well-known variety with high-quality fiber production. Approximately 43.87 million clean reads were obtained using Illumina sequencing. The de novo assembly produced 66,746 unigrams, 54% of which were annotated in a public database. In the Nr database, 21,490 unigenes of A. amaniensis were shown to be most closely related to Asparagus officinalis. Nine expansin A orthologs with full coding regions were obtained, which were named EXP1a, EXP1b, EXP2, EXP3, EXP4a, EXP4b, EXP11, EXP12, and EXP13. The maximum likelihood phylogenetic tree revealed the species-specific expansion of expansin genes in Arabidopsis, rice and agave. The expression analysis suggested the negative correlation between the expression of expansin genes and the leaf growth rate, except AhEXP11. Moreover, expansin genes were differentially affected by abiotic and biotic stresses. Notably, AhEXP2 expression level was highly upgraded after the infection of Phytophthora nicotiana. Nutrient deficiency also influent expansin genes expression. Together, our research will benefit future studies related to fiber development, disease resistance and nutrient usage in agave.
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Affiliation(s)
- Xuxia Wang
- Urban Construction College, Wuchang Shouyi University, Wuhan 430064, China
| | - Xing Huang
- Environment and Plant Protection Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, China
| | - Lisha Chen
- Quality Supervision, Inspection and Testing Center of Sisal and Products, Ministry of Agriculture and Rural Affairs, Zhanjiang 524022, China
| | - Zhouli Xie
- School of Life Sciences, Peking University, Beijing 100871, China
| | - Shibei Tan
- Environment and Plant Protection Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, China
| | - Xu Qin
- Guangxi Subtropical Crops Research Institute, Nanning 530001, China
| | - Tao Chen
- Guangxi Subtropical Crops Research Institute, Nanning 530001, China
| | - Yanlei Huang
- College of Plant Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Jingen Xi
- Environment and Plant Protection Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, China
| | - Helong Chen
- Environment and Plant Protection Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, China
| | - Kexian Yi
- Environment and Plant Protection Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, China
- Sanya Research Institute, Chinese Academy of Tropical Agricultural Sciences, Sanya 572025, China
- Key Laboratory of Integrated Pest Management on Tropical Crops, Ministry of Agriculture and Rural Affairs, Haikou 571101, China
- Hainan Key Laboratory for Monitoring and Control of Tropical Agricultural Pests, Haikou 571101, China
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Decoding herbal materials of TCM preparations with the multi-barcode sequencing approach. Sci Rep 2022; 12:5988. [PMID: 35397643 PMCID: PMC8994760 DOI: 10.1038/s41598-022-09979-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Accepted: 03/29/2022] [Indexed: 12/22/2022] Open
Abstract
With the rapid development of high-throughput sequencing technology, approaches for assessing biological ingredients in Traditional Chinese Medicine (TCM) preparations have also advanced. Using a multi-barcode sequencing approach, all biological ingredients could be identified from TCM preparations in theory, as long as their DNA is present. The biological ingredients of several classical TCM preparations were analyzed successfully based on this approach in previous studies. However, the universality, sensitivity and reliability of this approach on a diverse set of TCM preparations remain unclear. In this study, we selected four representative TCM preparations, namely Bazhen Yimu Wan, Da Huoluo Wan, Niuhuang Jiangya Wan, and You Gui Wan, for concrete assessment of the multi-barcode sequencing approach. Based on ITS2 and trnL biomarkers, we have successfully detected the prescribed herbal materials (PHMs) in these representative TCM preparations (minimum sensitivity: 77.8%, maximum sensitivity: 100%). The results based on ITS2 have also shown higher reliability than trnL at species level, while their combination could provide higher sensitivity and reliability. The multi-barcode sequencing approach has shown good universality, sensitivity and reliability in decoding these four representative TCM preparations. In the omics big-data era, this work has undoubtedly made one step forward for applying multi-barcode sequencing approach in PHMs analysis of TCM preparation, towards better digitization and modernization of drug quality control.
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Wang Y, Bao Y, Zheng Y, Guo P, Peng D, Wang B. Promoter P PSP1-5- BnPSP-1 From Ramie ( Boehmeria nivea L. Gaud.) Can Drive Phloem-Specific GUS Expression in Arabidopsis thaliana. Front Genet 2021; 11:553265. [PMID: 33391335 PMCID: PMC7772962 DOI: 10.3389/fgene.2020.553265] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2020] [Accepted: 11/26/2020] [Indexed: 11/21/2022] Open
Abstract
Isolation of phloem-specific promoters is one of the basic conditions for improving the fiber development and resistance of ramie phloem using genetic engineering. In this study, we isolated a ramie endogenous promoter (named PPSP1-BnPSP-1) and analyzed the function of its truncated fragments in Arabidopsis. The results show that PPSP1-BnPSP-1 can drive the GUS reporter gene to be specifically expressed in the veins of Arabidopsis. After hormone and simulated drought treatment of the independent Arabidopsis lines carrying PPSP1-BnPSP-1 and its truncated fragments, only PPSP1–5-BnPSP-1 (−600 to −1 bp region of PPSP1-BnPSP-1) is stably expressed and exhibits phloem specificity. Our findings suggest that PPSP1–5-BnPSP-1 can be used as a phloem specific promoter for further research.
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Affiliation(s)
- Yunhe Wang
- MOA Key Laboratory of Crop Ecophysiology and Farming System in the Middle Reaches of the Yangtze River, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Yaning Bao
- MOA Key Laboratory of Crop Ecophysiology and Farming System in the Middle Reaches of the Yangtze River, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, China.,College of Tobacco Science, University of Guizhou, Guiyang, China
| | - Yancheng Zheng
- MOA Key Laboratory of Crop Ecophysiology and Farming System in the Middle Reaches of the Yangtze River, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Ping'an Guo
- Hubei Key Laboratory of Edible Wild Plants Conservation and Utilization, University of Hubei Normal, Huangshi, China
| | - Dingxiang Peng
- MOA Key Laboratory of Crop Ecophysiology and Farming System in the Middle Reaches of the Yangtze River, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Bo Wang
- MOA Key Laboratory of Crop Ecophysiology and Farming System in the Middle Reaches of the Yangtze River, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, China
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Guo P, Zheng Y, Peng D, Liu L, Dai L, Chen C, Wang B. Identification and expression characterization of the Phloem Protein 2 (PP2) genes in ramie (Boehmeria nivea L. Gaudich). Sci Rep 2018; 8:10734. [PMID: 30013165 PMCID: PMC6048116 DOI: 10.1038/s41598-018-28953-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2017] [Accepted: 06/28/2018] [Indexed: 11/20/2022] Open
Abstract
Phloem protein 2 (PP2) is one of the most abundant and enigmatic proteins in sieve elements and companion cells, which play important roles in the maintenance of morphology, photoassimilate transportation and wound protection in higher plants, but to date, no PP2 (BnPP2) genes had been identified in ramie. Here, a total of 15 full-length BnPP2 genes were identified. These BnPP2 genes exhibited different responses to abiotic stresses. Interestingly, the BnPP2 genes are more sensitive to insect pests than to other stresses. A study of the BnPP2-15 promoter revealed that pBnPP2-15 could drive specific GUS expression in the petiole, root and stamen and could also be induced by mechanical wounding and aphid infection in transgenic Arabidopsis lines. The subcellular localization of six BnPP2 proteins showed that GFP-BnPP2-1, GFP-BnPP2-6, GFP-BnPP2-7, GFP-BnPP2-9, GFP-BnPP2-11 and GFP-BnPP2-12 were predominantly located in the cytoplasm. These results provide useful information elucidating the functions of BnPP2 genes in ramie.
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Affiliation(s)
- Pingan Guo
- MOA Key Laboratory of Crop Ecophysiology and Farming System in the Middle Reaches of the Yangtze River, College of Plant Science and Technology, Huazhong Agricultural University, 1 Shizishan Street, Hongshan District, Wuhan, 430070, Hubei Province, China
| | - Yancheng Zheng
- MOA Key Laboratory of Crop Ecophysiology and Farming System in the Middle Reaches of the Yangtze River, College of Plant Science and Technology, Huazhong Agricultural University, 1 Shizishan Street, Hongshan District, Wuhan, 430070, Hubei Province, China
| | - Dingxiang Peng
- MOA Key Laboratory of Crop Ecophysiology and Farming System in the Middle Reaches of the Yangtze River, College of Plant Science and Technology, Huazhong Agricultural University, 1 Shizishan Street, Hongshan District, Wuhan, 430070, Hubei Province, China
| | - Lijun Liu
- MOA Key Laboratory of Crop Ecophysiology and Farming System in the Middle Reaches of the Yangtze River, College of Plant Science and Technology, Huazhong Agricultural University, 1 Shizishan Street, Hongshan District, Wuhan, 430070, Hubei Province, China
| | - Lunjin Dai
- MOA Key Laboratory of Crop Ecophysiology and Farming System in the Middle Reaches of the Yangtze River, College of Plant Science and Technology, Huazhong Agricultural University, 1 Shizishan Street, Hongshan District, Wuhan, 430070, Hubei Province, China
| | - Cong Chen
- MOA Key Laboratory of Crop Ecophysiology and Farming System in the Middle Reaches of the Yangtze River, College of Plant Science and Technology, Huazhong Agricultural University, 1 Shizishan Street, Hongshan District, Wuhan, 430070, Hubei Province, China
| | - Bo Wang
- MOA Key Laboratory of Crop Ecophysiology and Farming System in the Middle Reaches of the Yangtze River, College of Plant Science and Technology, Huazhong Agricultural University, 1 Shizishan Street, Hongshan District, Wuhan, 430070, Hubei Province, China.
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Parekh MJ, Kumar S, Fougat RS, Zala HN, Pandit RJ. Transcriptomic profiling of developing fiber in levant cotton (Gossypium herbaceum L.). Funct Integr Genomics 2018; 18:211-223. [PMID: 29332190 DOI: 10.1007/s10142-017-0586-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2017] [Revised: 12/13/2017] [Accepted: 12/18/2017] [Indexed: 12/31/2022]
Abstract
Cotton (Gossypium spp.) is an imperative economic crop of the globe due to its natural textile fiber. Molecular mechanisms of fiber development have been greatly revealed in allotetraploid cotton but remained unexplored in Gossypium herbaceum. G. herbaceum can withstand the rigors of nature like drought and pests but produce coarse lint. This undesirable characteristic strongly needs the knowledge of fiber development at molecular basis. The present study reported the transcriptome sequence of the developing fiber of G. herbaceum on pyrosequencing and its analysis. About 1.38 million raw and 1.12 million quality trimmed reads were obtained followed by de novo assembly-generated 20,125 unigenes containing 14,882 coding sequences (CDs). BLASTx-based test of homology indicated that A1-derived transcripts shared a high similarity with Gossypium arboreum (A2). Functional annotation of the CDs using the UniProt categorized them into biological processes, cellular components, and molecular function, COG classification showed that a large number of CDs have significant homology in COG database (6215 CDs), and mapping of CDs with Kyoto Encyclopedia of Genes and Genomes (KEGG) database generated 200 pathways ultimately showing predominant engagement in the fiber development process. Transcription factors were predicted by comparison with Plant Transcription Factor Database, and their differential expression between stages exposed their important regulatory role in fiber development. Differential expression analysis based on reads per kilobase of transcript per million mapped reads (RPKM) value revealed activities of specific gene related to carbohydrate and lipid synthesis, carbon metabolism, energy metabolism, signal transduction, etc., at four stages of fiber development, and was validated by qPCR. Overall, this study will help as a valuable foundation for diploid cotton fiber improvement.
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Affiliation(s)
- Mithil J Parekh
- Department of Agricultural Biotechnology, Anand Agricultural University, Anand, 388 110, India
| | - Sushil Kumar
- Department of Agricultural Biotechnology, Anand Agricultural University, Anand, 388 110, India.
| | - Ranbir S Fougat
- Department of Agricultural Biotechnology, Anand Agricultural University, Anand, 388 110, India
| | - Harshvardhan N Zala
- Department of Agricultural Biotechnology, Anand Agricultural University, Anand, 388 110, India
| | - Ramesh J Pandit
- Department of Animal Biotechnology, Anand Agricultural University, Anand, 388 110, India
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Xu X, Liu MQ, Huo WK, Dai XJ. Obtaining a mutant of Bacillus amyloliquefaciens xylanase A with improved catalytic activity by directed evolution. Enzyme Microb Technol 2016; 86:59-66. [DOI: 10.1016/j.enzmictec.2016.02.001] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2015] [Revised: 02/03/2016] [Accepted: 02/07/2016] [Indexed: 12/29/2022]
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