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  1. Article: Advances on plant miR169/NF-YA regulation modules.

    Xu, Miao-yun / Zhu, Jia-xu / Zhang, Min / Wang, Lei

    Yi chuan = Hereditas

    2016  Volume 38, Issue 8, Page(s) 700–706

    Abstract: ... and experimental analyses suggest that miR169 targets members of the transcription factor NF-YA gene ... In addition, a comprehensive understanding the regulatory functions of the miR169/NF-YA module in plant ...

    Abstract Plant microRNAs (miRNAs) are a class of small non-coding RNAs which target and regulate the expression of genes involved in several growth, development, and metabolism processes. The miR169 family is the largest and most conserved miRNA family in plants. Recent researches have shown involvement of miR169 members in the regulation of plant responding to abiotic stress and development. Computational prediction and experimental analyses suggest that miR169 targets members of the transcription factor NF-YA gene family. In this review, we summarize the origins, evolution and diversity of miR169 family members. In addition, a comprehensive understanding the regulatory functions of the miR169/NF-YA module in plant with particular emphasis on stress-induced flowering is discussed.
    MeSH term(s) Flowers/genetics ; Gene Expression Regulation, Plant/genetics ; Genes, Plant/genetics ; MicroRNAs/genetics ; RNA, Plant/genetics ; Stress, Physiological/genetics ; Transcription Factors/genetics
    Chemical Substances MicroRNAs ; RNA, Plant ; Transcription Factors
    Language English
    Publishing date 2016
    Publishing country China
    Document type Journal Article ; Review
    ISSN 0253-9772
    ISSN 0253-9772
    DOI 10.16288/j.yczz.15-526
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: Theaflavoids A-C, new flavan-3-ols with potent α-glucosidase inhibitory activity from Yunnan black tea 'Jin-Ya'

    Li, Na / Chen, Min / Zhu, Hong-Tao / Zhang, Man / Wang, Dong / Yang, Chong-Ren / Zhang, Ying-Jun

    Lebensmittel-Wissenschaft + Technologie. 2022 Oct. 01, v. 168

    2022  

    Abstract: ... The extensive investigation on the chemical constituents of Yunnan black tea 'Jin-Ya', produced from the leaf ... only moderate activities. The results indicated that Yunnan black tea 'Jin-Ya' is an ideal drink ...

    Abstract Black tea, rich in various and complex polyphenols, is one of the most popular beverages in the world due to its pleasant aroma and health benefits, such as alleviate hyperglycemia and antioxidant. The extensive investigation on the chemical constituents of Yunnan black tea 'Jin-Ya', produced from the leaf buds of Camellia sinensis var. assamica, led to the isolation and identification of 16 flavonoids including three new flavan-3-ols, namely theaflavoids A-C (1–3). Most of the isolates displayed obvious inhibitory activity on α-glucosidase with IC₅₀ values ranging from 1.11 to 24.7 μM. Notably, the new theaflavoids 1–3 showed much stronger inhibitory activity (IC₅₀ = 1.34, 1.11, and 4.57 μM, respectively) than those of the positive controls (acarbose and quercetin, IC₅₀ = 228 and 9.38 μM, respectively). In addition, the isolated flavonol glycosides 5–16 were evaluated for their antioxidant activities by DPPH and ABTS ⁺ radical scavenging assays. Those with galloyl group in molecular exhibited comparable free radical scavenging activities to the positive controls (ascorbic acid and Trolox), while most of the flavonol glycosides showed only moderate activities. The results indicated that Yunnan black tea 'Jin-Ya' is an ideal drink with hypoglycemic and antioxidant property, and is worthy of regular consumption.
    Keywords Camellia sinensis var. assamica ; acarbose ; antioxidant activity ; antioxidants ; ascorbic acid ; black tea ; flavanols ; free radicals ; glycosides ; hyperglycemia ; leaves ; odors ; polyphenols ; quercetin ; China
    Language English
    Dates of publication 2022-1001
    Publishing place Elsevier Ltd
    Document type Article
    ZDB-ID 241369-3
    ISSN 0460-1173 ; 0023-6438
    ISSN 0460-1173 ; 0023-6438
    DOI 10.1016/j.lwt.2022.113918
    Database NAL-Catalogue (AGRICOLA)

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  3. Article ; Online: New Flavoalkaloids with Potent α-Glucosidase and Acetylcholinesterase Inhibitory Activities from Yunnan Black Tea 'Jin-Ya'.

    Li, Na / Zhu, Hong-Tao / Wang, Dong / Zhang, Man / Yang, Chong-Ren / Zhang, Ying-Jun

    Journal of agricultural and food chemistry

    2020  Volume 68, Issue 30, Page(s) 7955–7963

    Abstract: As a subgroup of flavoalkaloids, ...

    Abstract As a subgroup of flavoalkaloids,
    MeSH term(s) Acetylcholinesterase/chemistry ; Alkaloids/chemistry ; Camellia sinensis/chemistry ; China ; Enzyme Inhibitors/chemistry ; Glycosides/chemistry ; Humans ; Kinetics ; Molecular Structure ; Plant Extracts/chemistry ; Plant Leaves/chemistry ; alpha-Glucosidases/chemistry
    Chemical Substances Alkaloids ; Enzyme Inhibitors ; Glycosides ; Plant Extracts ; Acetylcholinesterase (EC 3.1.1.7) ; alpha-Glucosidases (EC 3.2.1.20)
    Language English
    Publishing date 2020-07-14
    Publishing country United States
    Document type Journal Article
    ZDB-ID 241619-0
    ISSN 1520-5118 ; 0021-8561
    ISSN (online) 1520-5118
    ISSN 0021-8561
    DOI 10.1021/acs.jafc.0c02401
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Landslide Detection in the Linzhi–Ya’an Section along the Sichuan–Tibet Railway Based on InSAR and Hot Spot Analysis Methods

    Jinmin Zhang / Wu Zhu / Yiqing Cheng / Zhenhong Li

    Remote Sensing, Vol 13, Iss 3566, p

    2021  Volume 3566

    Abstract: Construction of the 998.64-km Linzhi–Ya’an section of the Sichuan–Tibet Railway has been influenced ... images were collected to detect landslide disasters along the entire Linzhi–Ya’an section. Interferogram ... Finally, 517 landslide disasters along the Linzhi–Ya’an route were detected by integrating observed ...

    Abstract Construction of the 998.64-km Linzhi–Ya’an section of the Sichuan–Tibet Railway has been influenced by landslide disasters, threatening the safety of Sichuan–Tibet railway projects. Landslide identification and deformation analysis in this area are urgently needed. In this context, it was the first time that 164 advanced land-observing satellite-2 (ALOS-2) phased array type L-band synthetic aperture radar-2 (PALSAR-2) images were collected to detect landslide disasters along the entire Linzhi–Ya’an section. Interferogram stacking and small baseline interferometry methods were used to derive the deformation rate and time-series deformation from 2014–2020. After that, the hot spot analysis method was introduced to conduct spatial clustering analysis of the annual deformation rate, and the effective deformation area was quickly extracted. Finally, 517 landslide disasters along the Linzhi–Ya’an route were detected by integrating observed deformation, Google Earth optical images, and external geological data. The main factors controlling the spatial landslide distribution were analyzed. In the vertical direction, the spatial landslide distribution was mainly concentrated in the elevation range of 3000–5000 m, the slope range of 10–40°, and the aspect of northeast and east. In the horizontal direction, landslides were concentrated near rivers, and were also closely related to earthquake-prone areas, fault zones, and high-precipitation areas. In short, rainfall, freeze–thaw weathering, seismic activity, and fault zones are the main factors inducing landslides along this route. This research provides scientific support for the construction and operation of the Linzhi–Ya’an section of the Sichuan–Tibet Railway.
    Keywords landslide detection ; Sichuan–Tibet Railway ; interferometric synthetic aperture radar (InSAR) ; hot spot analysis ; Science ; Q
    Subject code 550
    Language English
    Publishing date 2021-09-01T00:00:00Z
    Publisher MDPI AG
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  5. Article: Landslide Detection in the Linzhi–Ya’an Section along the Sichuan–Tibet Railway Based on InSAR and Hot Spot Analysis Methods

    Zhang, Jinmin / Zhu, Wu / Cheng, Yiqing / Li, Zhenhong

    Remote Sensing. 2021 Sept. 08, v. 13, no. 18

    2021  

    Abstract: Construction of the 998.64-km Linzhi–Ya’an section of the Sichuan–Tibet Railway has been influenced ... images were collected to detect landslide disasters along the entire Linzhi–Ya’an section. Interferogram ... Finally, 517 landslide disasters along the Linzhi–Ya’an route were detected by integrating observed ...

    Abstract Construction of the 998.64-km Linzhi–Ya’an section of the Sichuan–Tibet Railway has been influenced by landslide disasters, threatening the safety of Sichuan–Tibet railway projects. Landslide identification and deformation analysis in this area are urgently needed. In this context, it was the first time that 164 advanced land-observing satellite-2 (ALOS-2) phased array type L-band synthetic aperture radar-2 (PALSAR-2) images were collected to detect landslide disasters along the entire Linzhi–Ya’an section. Interferogram stacking and small baseline interferometry methods were used to derive the deformation rate and time-series deformation from 2014–2020. After that, the hot spot analysis method was introduced to conduct spatial clustering analysis of the annual deformation rate, and the effective deformation area was quickly extracted. Finally, 517 landslide disasters along the Linzhi–Ya’an route were detected by integrating observed deformation, Google Earth optical images, and external geological data. The main factors controlling the spatial landslide distribution were analyzed. In the vertical direction, the spatial landslide distribution was mainly concentrated in the elevation range of 3000–5000 m, the slope range of 10–40°, and the aspect of northeast and east. In the horizontal direction, landslides were concentrated near rivers, and were also closely related to earthquake-prone areas, fault zones, and high-precipitation areas. In short, rainfall, freeze–thaw weathering, seismic activity, and fault zones are the main factors inducing landslides along this route. This research provides scientific support for the construction and operation of the Linzhi–Ya’an section of the Sichuan–Tibet Railway.
    Keywords Internet ; deformation ; freeze-thaw cycles ; geophysics ; interferometry ; landslides ; railroads ; rain ; time series analysis
    Language English
    Dates of publication 2021-0908
    Publishing place Multidisciplinary Digital Publishing Institute
    Document type Article
    ZDB-ID 2513863-7
    ISSN 2072-4292
    ISSN 2072-4292
    DOI 10.3390/rs13183566
    Database NAL-Catalogue (AGRICOLA)

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  6. Article: New Flavoalkaloids with Potent α-Glucosidase and Acetylcholinesterase Inhibitory Activities from Yunnan Black Tea ‘Jin-Ya

    Li, Na / Zhu, Hong-Tao / Wang, Dong / Zhang, Man / Yang, Chong-Ren / Zhang, Ying-Jun

    Journal of agricultural and food chemistry. 2020 July 06, v. 68, no. 30

    2020  

    Abstract: ... ols in ‘Jin-Ya’, which is a Yunnan black tea produced only from the buds of the tea plant ...

    Abstract As a subgroup of flavoalkaloids, N-ethyl-2-pyrrolidinone substituted flavan-3-ols are reported to possess various biological activities that may play important roles in the beneficial healthcare functions of tea. The HPLC and LC-MS analyses showed the existence of N-ethyl-2-pyrrolidinone substituted flavan-3-ols in ‘Jin-Ya’, which is a Yunnan black tea produced only from the buds of the tea plant Camellia sinensis var. assamica. Further phytochemical study on this precious black tea led to the identification of 8 flavoalkaloids, 1–8, along with 11 known flavan-3-ols (9–14) and flavonol glycosides (15–19). The new compounds, (−)-6-(5″S)-N-ethyl-2-pyrrolidinone-epiafzelechin (1), (−)-8-(5″R)-N-ethyl-2-pyrrolidinone-epiafzelechin-3-O-gallate (2a), and (−)-8-(5″S)-N-ethyl-2-pyrrolidinone-epiafzelechin-3-O-gallate (2b), were identified based on extensive spectroscopic analysis. Flavoalkaloids 2–6 showed inhibitory activity on α-glucosidase with IC₅₀ values ranging from 2.09 to 8.47 μM, compared to those of quercetin and acarbose (IC₅₀ = 6.87 and 228.9 μM, respectively). Moreover, compounds 2, 3, and 6 displayed an inhibitory effect on acetyl-cholinesterase with IC₅₀ values of 14.23, 33.79, and 34.82 μM, respectively, compared to tacrine (IC₅₀ = 0.223 μM).
    Keywords Camellia sinensis var. assamica ; acarbose ; acetylcholinesterase ; black tea ; flavanols ; food chemistry ; glycosides ; health services ; quercetin ; spectral analysis ; China
    Language English
    Dates of publication 2020-0706
    Size p. 7955-7963.
    Publishing place American Chemical Society
    Document type Article
    Note NAL-AP-2-clean
    ZDB-ID 241619-0
    ISSN 1520-5118 ; 0021-8561
    ISSN (online) 1520-5118
    ISSN 0021-8561
    DOI 10.1021/acs.jafc.0c02401
    Database NAL-Catalogue (AGRICOLA)

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  7. Article: NF-Ya activates multiple hematopoietic stem cell (HSC) regulatory genes and promotes HSC self-renewal.

    Zhu, Jiang / Zhang, Yi / Joe, Gerard J / Pompetti, Richard / Emerson, Stephen G

    Proceedings of the National Academy of Sciences of the United States of America

    2005  Volume 102, Issue 33, Page(s) 11728–11733

    Abstract: ... that NF-Ya, the regulatory and DNA-binding subunit of the trimeric transcription factor NF-Y, plays ... a central, integrating role in several of these HSC pathways. NF-Ya is preferentially expressed in HSC ... enriched bone marrow subpopulations, and NF-Ya mRNA rapidly declines with HSC differentiation ...

    Abstract Hematopoietic stem cell (HSC) self-renewal and differentiation are influenced through multiple pathways, including homeobox transcription factors, signaling through beta-catenin and Notch-1, telomerase, and p27. How these multiple pathways interact and are orchestrated is currently unknown. We now report that NF-Ya, the regulatory and DNA-binding subunit of the trimeric transcription factor NF-Y, plays a central, integrating role in several of these HSC pathways. NF-Ya is preferentially expressed in HSC-enriched bone marrow subpopulations, and NF-Ya mRNA rapidly declines with HSC differentiation. Overexpression of NF-Ya in primitive hematopoietic cells activates the transcription of multiple HOX4 paralogs, as well as Notch-1, LEF-1, and telomerase RNA. HSCs overexpressing NF-Ya are biased toward primitive hematopoiesis in vitro and show strikingly increased in vivo repopulating abilities after single or sequential bone marrow transplantation. Thus, NF-Ya is a potent cellular regulator of HSC self-renewal.
    MeSH term(s) Animals ; CCAAT-Binding Factor/genetics ; CCAAT-Binding Factor/metabolism ; Cell Proliferation ; Cells, Cultured ; Female ; Gene Expression Regulation/genetics ; Hematopoietic Stem Cells/cytology ; Hematopoietic Stem Cells/metabolism ; Homeodomain Proteins/genetics ; Male ; Mice ; Phenotype ; Promoter Regions, Genetic/genetics ; Regeneration ; Transcription Factors/genetics ; Transcription Factors/metabolism
    Chemical Substances CCAAT-Binding Factor ; Homeodomain Proteins ; Hoxb4 protein, mouse ; NFYA protein, human ; Transcription Factors
    Language English
    Publishing date 2005-08-16
    Publishing country United States
    Document type Journal Article
    ZDB-ID 209104-5
    ISSN 1091-6490 ; 0027-8424
    ISSN (online) 1091-6490
    ISSN 0027-8424
    DOI 10.1073/pnas.0503405102
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Book: Zhongguo dong Ya fei huang fa sheng yu zhi li

    Zhu, Enlin

    1999  

    Author's details Zhu Enlin zhu bian
    Keywords Migratory locust ; Migratory locust/Control
    Language Chinese
    Size 2, 3, 7, 576 p. :, ill. (some col.), maps ;, 27 cm.
    Edition Di 1 ban.
    Publisher Zhongguo nong ye chu ban she ; Xin hua shu dian Beijing fa xing suo fa xing
    Publishing place Beijing Shi
    Document type Book
    ISBN 7109056163 ; 9787109056169
    Database NAL-Catalogue (AGRICOLA)

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  9. Book ; Thesis: Complex effects of iPLA2β deficiency on hepatic lipid metabolism in methionine-choline-deficient diet-induced fatty liver

    Zhu, Xingya

    2018  

    Author's details vorgelegt von Xingya Zhu
    Language English
    Size 82 Seiten, Illustrationen, Diagramme, 30 cm
    Publishing place Heidelberg
    Publishing country Germany
    Document type Book ; Thesis
    Thesis / German Habilitation thesis Dissertation, Ruprecht-Karls-Universität Heidelberg, 2019
    Note Im Titel ist "2" tiefgestellt
    HBZ-ID HT020239884
    Database Catalogue ZB MED Medicine, Health

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  10. Book: Ya ge

    Wang, Fumin / Zhu, Yixiong / Gordis, Robert / Ting, Simon

    The song of songs

    1959  

    Title translation Bible. <Song of Solomon.> <engl.>. Gordis., 1960.
    Title variant Bible. <Song of Solomon.> . Revised Standard., 1960. ; Song of songs
    Author's details [Ying yi zhe Gedisi yu biao zhun xiu zheng ban xue zhe; Han yi zhe Wang Fumin; cha hua zhe Zhu Yixiong]
    Language Chinese ; English
    Size 4, 1, 175 p., [8] leaves of plates, col. ill
    Document type Book
    Note Title in Hebrew, Chinese, English, Greek, and Latin
    Database Former special subject collection: coastal and deep sea fishing

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