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Response induced in Mycoplasma gallisepticum under heat shock might be relevant to infection process

Ivan Butenko1, Anna Vanyushkina1, Olga Pobeguts1

  • 1Laboratory of Proteomic Analysis, Federal Research and Clinical Centre of Physical-Chemical Medicine, Moscow, 119435, Russia.

Scientific Reports
|September 14, 2017
PubMed

Insights

This study investigated the proteome response of Mycoplasma gallisepticum to heat stress using multiple methods. Findings reveal distinct heat-related and immune-evasion strategies during heat exposure.

Area of Science:

  • Microbiology
  • Proteomics
  • Bacterial Pathogenesis

Background:

  • The proteome response of Mycoplasma gallisepticum to environmental stressors is not well understood.
  • Previous proteomic studies in mycoplasmas often lack validation through complementary techniques.

Purpose of the Study:

  • To comprehensively assess the proteomic and metabolic response of Mycoplasma gallisepticum to heat stress.
  • To validate findings using multiple proteomic approaches and integrate with transcriptional data.

Main Methods:

  • Utilized three complementary proteomic techniques: SWATH, MRM, and 2D-DIGE.
  • Integrated proteomic data with metabolic profiling and transcriptional profiling.
  • Investigated Mycoplasma gallisepticum response to controlled heat stress.

Main Results:

  • Identified two modes of response: direct heat stress response and indirect response.
  • Observed ATP accumulation and antigen shedding as part of the indirect response.
  • Correlated proteomic changes with metabolic and transcriptional alterations.

Conclusions:

  • Multiple proteomic approaches are crucial for validating findings in Mycoplasma gallisepticum.
  • Heat stress induces both direct adaptive responses and indirect mechanisms potentially related to immune evasion.
  • Findings provide insights into Mycoplasma gallisepticum pathogenesis and host-pathogen interactions.

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