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Jerusalem artichoke has the characteristics of high yield, strong adaptability and wide application range, and is rich in active substances such as inulin, flavonoids, chlorogenic acid and amino acids. Jerusalem artichoke has the functions of improving the intestinal ecological environment of livestock and poultry, relieving constipation, promoting mineral absorption, regulating blood glucose and blood lipids. Jerusalem artichoke can reduce livestock mortality, improve slaughter rate, meat quality, production performance and immune organ index, and has the potential to be used as a functional feed additive. In this paper, the physicochemical properties, physiological functions and applications of Jerusalem artichoke inulin, chlorogenic acid, flavonoids and amino acids in animal production were reviewed, to provide a reference for promotion and application of Jerusalem artichoke as a functional feed additive in livestock production. [ABSTRACT FROM AUTHOR]

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Copyright of Biotechnology Bulletin is the property of Biotechnology Bulletin Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Biotechnology Bulletin is the property of Biotechnology Bulletin Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Jerusalem artichoke (JA) (Helianthus tuberosus L.) is a drought-resistant species. Through analyzing the transcriptomic data of JA, WRKY transcription factor genes closely related to drought stress response of JA were screened and analyzed, laying a theoretical foundation for clarifying the function of WRKY family genes of JA. Bioinformatics methods were applied to analyze the physicochemical properties, conserved domains, tertiary protein structures of WRKY gene family members in JA and their phylogenetic relationships with other species. RT-qPCR was used to detect the relative expression levels of WRKY genes in the seeds, roots, stems, leaves, petals and tubers under drought stress, and the transcription levels of WRKY gene family members in JA. A total of 74 WRKY genes were identified in JA leaves, with the sequence length ranging from 510 to 2 040 bp. The detected motif lengths ranged from 25 to 50 bases. Phylogenetic tree analysis showed that the most of the HtWRKY genes clustered with other WRKY genes. The results of tissue-specific expression analysis showed that the relative expressions of HtWRKY genes were higher in petals and tubers, and the drought-induced expression analysis showed that 20 and 19 HtWRKY genes were up-regulated in the leaves and roots of JA, respectively. HtWRKY is involved in the process against drought stress [ABSTRACT FROM AUTHOR]

Copyright of Acta Agriculturae Zhejiangensis is the property of Acta Agriculturae Zhejiangensis Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Chinese Institute of Food Science & Technology is the property of Journal of Chinese Institute of Food Science & Technology Periodical Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)