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Xie YN, Qi QQ, Li WH, Li YL, Zhang Y, Wang HM, Zhang YF, Ye ZH, Guo DP, Qian Q, Zhang ZF, Yan N. Domestication, breeding, omics research, and important genes of Zizania latifolia and Zizania palustris. Front Plant Sci 2023; 14:1183739. [PMID: 37324716 PMCID: PMC10266587 DOI: 10.3389/fpls.2023.1183739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Accepted: 05/17/2023] [Indexed: 06/17/2023]
Abstract
Wild rice (Zizania spp.), an aquatic grass belonging to the subfamily Gramineae, has a high economic value. Zizania provides food (such as grains and vegetables), a habitat for wild animals, and paper-making pulps, possesses certain medicinal values, and helps control water eutrophication. Zizania is an ideal resource for expanding and enriching a rice breeding gene bank to naturally preserve valuable characteristics lost during domestication. With the Z. latifolia and Z. palustris genomes completely sequenced, fundamental achievements have been made toward understanding the origin and domestication, as well as the genetic basis of important agronomic traits of this genus, substantially accelerating the domestication of this wild plant. The present review summarizes the research results on the edible history, economic value, domestication, breeding, omics research, and important genes of Z. latifolia and Z. palustris over the past decades. These findings broaden the collective understanding of Zizania domestication and breeding, furthering human domestication, improvement, and long-term sustainability of wild plant cultivation.
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Affiliation(s)
- Yan-Ning Xie
- Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao, China
| | - Qian-Qian Qi
- Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao, China
| | - Wan-Hong Li
- Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao, China
| | - Ya-Li Li
- Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao, China
| | - Yu Zhang
- Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao, China
| | - Hui-Mei Wang
- State Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou, China
| | - Ya-Fen Zhang
- Zhejiang Provincial Key Laboratory of Biometrology and Inspection and Quarantine, College of Life Sciences, China Jiliang University, Hangzhou, China
| | - Zi-Hong Ye
- Zhejiang Provincial Key Laboratory of Biometrology and Inspection and Quarantine, College of Life Sciences, China Jiliang University, Hangzhou, China
| | - De-Ping Guo
- Department of Horticulture, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, China
| | - Qian Qian
- State Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou, China
| | - Zhong-Feng Zhang
- Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao, China
| | - Ning Yan
- Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao, China
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Chappell GA, Wolf JC, Thompson CM. Crypt and Villus Transcriptomic Responses in Mouse Small Intestine Following Oral Exposure to Hexavalent Chromium. Toxicol Sci 2022; 186:43-57. [PMID: 34935971 PMCID: PMC8883354 DOI: 10.1093/toxsci/kfab152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Oral exposure to hexavalent chromium (Cr(VI)) induces tumors in the mouse duodenum. Previous microarray-based transcriptomic analyses of homogenized mouse duodenal tissue have demonstrated Cr(VI)-induced alterations in various cellular pathways and processes. However, X-ray fluorescence microscopy indicates that chromium localizes primarily to the duodenal villi following exposure to Cr(VI), suggesting that previous transcriptomic analyses of homogenized tissue provide an incomplete picture of transcriptomic responses in the duodenum. Herein, transcriptomic analyses were conducted separately on crypt and villus tissue from formalin-fixed paraffin-embedded transverse duodenal sections from the same study in which microarray-based analyses were previously conducted. A total of 28 groups (7 doses × 2 timepoints × 2 tissue compartments) were analyzed for differential gene expression, dose-response, and gene set enrichment. Tissue compartment isolation was confirmed by differences in expression of typical markers of crypt and villus compartments. Fewer than 21 genes were altered in the crypt compartment of mice exposed to 0.1-5 ppm Cr(VI) for 7 or 90 days, which increased to hundreds or thousands of genes at ≥20 ppm Cr(VI). Consistent with histological evidence for crypt proliferation, a significant, dose-dependent increase in genes that regulate mitotic cell cycle was prominent in the crypt, while subtle in the villus, when compared with samples from time-matched controls. Minimal transcriptomic evidence of DNA damage response in either the crypts or the villi is consistent with published in vivo genotoxicity data. These results are also discussed in the context of modes of action that have been proposed for Cr(VI)-induced small intestine tumors in mice.
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Abstract
Metabolomics, one of the newest omics, allows for investigation of holistic responses of living systems to myriad biological, behavioral, and environmental factors. Researcher use metabolomics to examine the underlying mechanisms of clinically observed phenotypes. However, these methods are complex, potentially impeding their uptake by scientists. In this scoping review, we summarize literature illustrating nurse scientists' use of metabolomics. Using electronic search methods, we identified metabolomics investigations conducted by nurse scientists and published in English-language journals between 1990 and November 2019. Of the studies included in the review (N = 30), 9 (30%) listed first and/or senior authors that were nurses. Studies were conducted predominantly in the United States and focused on a wide array of clinical conditions across the life span. The upward trend we note in the use of these methods by nurse scientists over the past 2 decades mirrors a similar trend across scientists of all backgrounds. A broad range of study designs were represented in the literature we reviewed, with the majority involving untargeted metabolomics (n = 16, 53.3%) used to generate hypotheses (n = 13, 76.7%) of potential metabolites and/or metabolic pathways as mechanisms of clinical conditions. Metabolomics methods match well with the unique perspective of nurse researchers, who seek to integrate the experiences of individuals to develop a scientific basis for clinical practice that emphasizes personalized approaches. Although small in number, metabolomics investigations by nurse scientists can serve as the foundation for robust programs of research to answer essential questions for nursing.
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Affiliation(s)
- Laura P Kimble
- School of Nursing, 1371Emory University, Atlanta, GA, USA
| | - Sharon Leslie
- Woodruff Health Sciences Center Library, 1371Emory University, Atlanta, GA, USA
| | - Nicole Carlson
- School of Nursing, 1371Emory University, Atlanta, GA, USA
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Abstract
The value of molecular profiled human tissue lies in its potential to improve the efficiency of drug discovery and development. The sequencing and profiling of human biospecimens across multiple omics dimensions provides layers of molecular information that can be used to enhance our knowledge of disease mechanisms to identify and prioritize novel drug targets and provide supportive biological evidence to support a therapeutic hypothesis. It is critical to control pre-analytical variables because the reproducibility and accuracy of molecular data generated by high-throughput technologies is dependent upon biospecimen quality. The scientific knowledge and technology developments gained in tissue banking research are transforming biospecimen collection and biostorage practices. These tissue banking advancements will improve specimen quality and utilization and, at the same time, reduce biobanking costs. Furthermore, well-annotated, high quality biospecimens will provide reliable, consistent gene expression data for target validation for drug discovery. Challenges in understanding the molecular signatures of biospecimens follow the challenges of human tissue acquisition. Sequencing and profiling high-throughput technologies generate heterogeneous, complex data sets that require sophisticated informatics tools for data storage and analysis. As tissue banking and informatics technologies improve and we gain deeper knowledge of the human genome and its functionality, we will see biomarker identification and target therapies brought about by the research performed on high quality biospecimens.
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Affiliation(s)
- Katherine A Tarvin
- Analytical Biological Services, Inc. , 701 Cornell Drive, Wilmington, DE 19801 , USA
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