Cited by 49Entomopathogenic Microorganisms in Pest ControlInsect and Pesticide ResearchMicrobial Natural Products and Biosynthesis

Growth and metabolism of Beauveria bassiana spores and mycelia

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Liu, Hongxia, Zhao, Xusheng, Guo, Mingxin, Liu, Hui, Zheng, Zhiming·2015·BMC Microbiology

Abstract

BACKGROUND: Fungi are ubiquitous in nature and have evolved over time to colonize a wide range of ecosystems including pest control. To date, most research has focused on the hypocrealean genera Beauveria bassiana, which is a typical filamentous fungus with a high potential for insect control. The morphology and components of fungi are important during the spores germination and outgrow to mycelia. However, to the best of our knowledge, there is no report on the morphology and components of B. bassiana spores and mycelia. In the work, the growth and metabolism of Beauveria bassiana spores and mycelia were studied. High performance liquid chromatography-mass spectrometry (HPLC-MS) was employed to study the metabolism of B. bassiana spores and mycelia. Principal component analysis (PCA) based on HPLC-MS was conducted to study the different components of the spores and mycelia of the fungus. Metabolic network was established based on HPLC-MS and KEGG database. RESULTS: Through Gompertz model based on macroscopic and microscopic techniques, spore elongation length was found to increase exponentially until approximately 23.1 h after cultivation, and then growth became linear. In the metabolic network, the decrease of glyoxylate, pyruvate, fumarate, alanine, succinate, oxaloacetate, dihydrothymine, ribulose, acetylcarnitine, fructose-1, 6-bisphosphate, mycosporin glutamicol, and the increase of betaine, carnitine, ergothioneine, sphingosine, dimethyl guanosine, glycerophospholipids, and in spores indicated that the change of the metabolin can keep spores in inactive conditions, protect spores against harmful effects and survive longer. CONCLUSIONS: Analysis of the metabolic pathway in which these components participate can reveal the metabolic difference between spores and mycelia, which provide the tools for understand and control the process of of spores germination and outgrow to mycelia.

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  • In M. tuberculosis and other mycobacteria, other actinobacteria and fungi, ERG can have a role as an antioxidant and act as a buffer against reductive stress.

    “In M. tuberculosis and other mycobacteria(254), and also in other actinobacteria(255) and in fungi(247,256,257), it is clear that ERG can have a role as an antioxidant(66,258–260) and also act as a buffer against reductive stress(261).”

    From The biology of ergothioneine, an antioxidant nutraceutical (2020) · cites this paper as [256]

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Authors
Liu, H., Zhao, X., Guo, M., Liu, H., & Zheng, Z.
Affiliations
  • Chinese Academy of Sciences (CN)
  • Luoyang Normal University (CN)
Corresponding author
Zheng, Zhiming
Venue
BMC Microbiology
Published
2015-11-19
Volume
15
Issue
1
Pages
267-267
ISSN
1471-2180 (ISSN-L)
OpenAlex
W2180697261
Cited by
49
References
49
Citations by year
2026: 1 · 2025: 4 · 2024: 5 · 2023: 6 · 2022: 5 · 2021: 5 · 2020: 6 · 2019: 8 · 2018: 2 · 2017: 5 · 2016: 2
FWCI
3.19
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • BMC Microbiology (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Funders
Natural Science Foundation of Anhui Province (2014AA021704, 1308085MA07)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Insect Science › Entomopathogenic Microorganisms in Pest Control
  • Life Sciences › Agricultural and Biological Sciences › Insect Science › Insect and Pesticide Research
  • Health Sciences › Medicine › Pharmacology › Microbial Natural Products and Biosynthesis
Keywords
Beauveria bassiana, spore germination, mycelial growth, fungal metabolism, spore morphology, metabolic networks, Gompertz model, insect pathogenic fungi, spore dormancy, metabolite profiling
MeSH terms
Chromatography, Liquid, Mass Spectrometry, Spores, Fungal, Mycelium, Principal Component Analysis, Beauveria, Metabolic Networks and Pathways

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