دورية أكاديمية
A survey of Methylobacterium species and strains reveals widespread production and varying profiles of cytokinin phytohormones.
العنوان: | A survey of Methylobacterium species and strains reveals widespread production and varying profiles of cytokinin phytohormones. |
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المؤلفون: | Palberg D; Environmental and Life Sciences Graduate Program, Trent University, 1600 West Bank Drive, Peterborough, ON, K9L 0G2, Canada., Kisiała A; Department of Biology, Trent University, 1600 West Bank Drive, Peterborough, ON, K9L 0G2, Canada. annakisiala@trentu.ca., Jorge GL; Department of Biology, Trent University, 1600 West Bank Drive, Peterborough, ON, K9L 0G2, Canada.; Department of Technology, Sao Paulo State University, Jaboticabal, Sao Paulo, Brazil., Emery RJN; Department of Biology, Trent University, 1600 West Bank Drive, Peterborough, ON, K9L 0G2, Canada. |
المصدر: | BMC microbiology [BMC Microbiol] 2022 Feb 08; Vol. 22 (1), pp. 49. Date of Electronic Publication: 2022 Feb 08. |
نوع المنشور: | Journal Article; Research Support, Non-U.S. Gov't |
اللغة: | English |
بيانات الدورية: | Publisher: BioMed Central Country of Publication: England NLM ID: 100966981 Publication Model: Electronic Cited Medium: Internet ISSN: 1471-2180 (Electronic) Linking ISSN: 14712180 NLM ISO Abbreviation: BMC Microbiol Subsets: MEDLINE |
أسماء مطبوعة: | Original Publication: London : BioMed Central, [2001- |
مواضيع طبية MeSH: | Cytokinins/*analysis , Cytokinins/*metabolism , Methylobacterium/*chemistry , Methylobacterium/*genetics, Chromatography, High Pressure Liquid/methods ; Methylobacterium/classification ; Methylobacterium/metabolism ; Tandem Mass Spectrometry/methods |
مستخلص: | Background: Symbiotic Methylobacterium strains comprise a significant part of plant microbiomes. Their presence enhances plant productivity and stress resistance, prompting classification of these strains as plant growth-promoting bacteria (PGPB). Methylobacteria can synthesize unusually high levels of plant hormones, called cytokinins (CKs), including the most active form, trans-Zeatin (tZ). Results: This study provides a comprehensive inventory of 46 representatives of Methylobacterium genus with respect to phytohormone production in vitro, including 16 CK forms, abscisic acid (ABA) and indole-3-acetic acid (IAA). High performance-liquid chromatography-tandem mass spectrometry (HPLC-MS/MS) analyses revealed varying abilities of Methylobacterium strains to secrete phytohormones that ranged from 5.09 to 191.47 pmol mL -1 for total CKs, and 0.46 to 82.16 pmol mL -1 for tZ. Results indicate that reduced methanol availability, the sole carbon source for bacteria in the medium, stimulates CK secretion by Methylobacterium. Additionally, select strains were able to transform L-tryptophan into IAA while no ABA production was detected. Conclusions: To better understand features of CKs in plants, this study uncovers CK profiles of Methylobacterium that are instrumental in microbe selection for effective biofertilizer formulations. (© 2022. The Author(s).) |
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فهرسة مساهمة: | Keywords: 2-methylthio-Zeatin; HPLC–MS/MS; Methanol; Plant growth promoting bacteria; trans-Zeatin |
المشرفين على المادة: | 0 (Cytokinins) |
تواريخ الأحداث: | Date Created: 20220209 Date Completed: 20220307 Latest Revision: 20220307 |
رمز التحديث: | 20240628 |
مُعرف محوري في PubMed: | PMC8822675 |
DOI: | 10.1186/s12866-022-02454-9 |
PMID: | 35135483 |
قاعدة البيانات: | MEDLINE |
تدمد: | 1471-2180 |
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DOI: | 10.1186/s12866-022-02454-9 |