دورية أكاديمية
A Phytotoxin with Selective Herbicidal Activity and Related Metabolites from the Phytopathogenic Fungus Bipolaris cookei SYBL03.
العنوان: | A Phytotoxin with Selective Herbicidal Activity and Related Metabolites from the Phytopathogenic Fungus Bipolaris cookei SYBL03. |
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المؤلفون: | Li H; College of Plant Protection, Shenyang Agricultural University, Shenyang 110866, China.; College of Environmental and Safety Engineering, Shenyang University of Chemical Technology, Shenyang 110142, China., Hou J; College of Environmental and Safety Engineering, Shenyang University of Chemical Technology, Shenyang 110142, China., Li B; College of Environmental and Safety Engineering, Shenyang University of Chemical Technology, Shenyang 110142, China., Zhang L; College of Computer Science and Technology, Shenyang University of Chemical Technology, Shenyang 110142, China., Yu Z; College of Plant Protection, Shenyang Agricultural University, Shenyang 110866, China. |
المصدر: | Molecules (Basel, Switzerland) [Molecules] 2024 Jun 26; Vol. 29 (13). Date of Electronic Publication: 2024 Jun 26. |
نوع المنشور: | Journal Article |
اللغة: | English |
بيانات الدورية: | Publisher: MDPI Country of Publication: Switzerland NLM ID: 100964009 Publication Model: Electronic Cited Medium: Internet ISSN: 1420-3049 (Electronic) Linking ISSN: 14203049 NLM ISO Abbreviation: Molecules Subsets: MEDLINE |
أسماء مطبوعة: | Original Publication: Basel, Switzerland : MDPI, c1995- |
مواضيع طبية MeSH: | Herbicides*/pharmacology , Herbicides*/chemistry , Herbicides*/isolation & purification , Seedlings*/drug effects , Seedlings*/growth & development , Bipolaris*/drug effects , Plant Weeds*/drug effects , Plant Weeds*/growth & development, Germination/drug effects ; Amaranthus/drug effects ; Amaranthus/growth & development ; Plant Roots ; Mycelium/drug effects ; Mycelium/growth & development |
مستخلص: | Weeds are a serious threat to crop production, and the utilization of secondary metabolites of phytopathogenic fungi is considered to be an effective method of weed control. In this study, eight compounds were isolated and purified from the mycelium and fermentation broth extracts of Bipolaris cookei SYBL03. The compounds ( 1 - 8 ), except 2 and 6 , are reported for the first time from this genus. The herbicidal activities of compounds 1 - 8 were studied by evaluating their effects on the seed germination and seedling growth of monocotyledonous and dicotyledonous weeds. The results indicated that compound 7 ( Cyclo - N -methylphenylalanyltryptophenyl, cNMPT) exhibited a concentration-dependent dual effect on the growth of weed seedlings and selective herbicidal activity against dicotyledonous weeds. We further investigated the morphological and physiological responses of roots of Amaranthus retroflexus , a dicotyledonous weed, to compound 7 . Some changes were found in seedlings grown in 400 μg/mL compound 7 solution for 96 h, such as shortening and swelling of elongation zone cells, reduced number and length of root hairs, damage and wrinkling of the root surface, occurrence of electrolyte leakage, and an increase in ethylene content. These results suggest that compound 7 may exert herbicidal activity by causing stress to weed seedlings. Increased ethylene production could be involved in the response of plants to compound 7 . Competing Interests: The authors declare no conflicts of interest. |
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معلومات مُعتمدة: | 2018YFD0800401 This research was funded by the National Key Research and Development Program of China; 2021 the Cultivation Project for Postgraduate of Shenyang University of Chemical Technology |
فهرسة مساهمة: | Keywords: Bipolaris cookei; concentration-dependent dual effect; herbicidal activity; secondary metabolites |
المشرفين على المادة: | 0 (Herbicides) |
تواريخ الأحداث: | Date Created: 20240713 Date Completed: 20240713 Latest Revision: 20240715 |
رمز التحديث: | 20240715 |
مُعرف محوري في PubMed: | PMC11243656 |
DOI: | 10.3390/molecules29133040 |
PMID: | 38998991 |
قاعدة البيانات: | MEDLINE |
تدمد: | 1420-3049 |
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DOI: | 10.3390/molecules29133040 |