Fungal - Plant Symbiosis A REPORT FROM THE AMERICAN ACADEMY OF - - PowerPoint PPT Presentation

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Fungal - Plant Symbiosis A REPORT FROM THE AMERICAN ACADEMY OF - - PowerPoint PPT Presentation

Fungal - Plant Symbiosis A REPORT FROM THE AMERICAN ACADEMY OF MICROBIOLOGY Pius Florus is using a mix of microbes and organic pesticides to help restore a depleted field in Spain. Science 349:680 2015 The major root symbioses established by


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Fungal - Plant Symbiosis

A REPORT FROM THE AMERICAN ACADEMY OF MICROBIOLOGY

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Pius Florus is using a mix of microbes and organic pesticides to help restore a depleted field in Spain.

Science 349:680 2015

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The major root symbioses established by land plants with soil microorganisms are arbuscular mycorrhizal, ectomycorrhizal, and nitrogen-fixing associations.

Francis M. Martin et al. Science 2017;356:eaad4501

Published by AAAS

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Rhizobiome

Group Genes #s/gm soil Plants 37,500

  • Nematodes

18,000 10 - 100 Protozoa 15,500 100,000 - 1 million Algae 13,000 1,000 - 1 million Fungi 1,400 1,000 - 100,000 Bacteria 6,500 100 million -1 billion Archaea 1300 10 million -100 million Viruses 45 10 million - 1 billion

Science 349:680 2015

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  • Fig. 2 modes of root entry by symbiotic soil microbes.

Francis M. Martin et al. Science 2017;356:eaad4501

Published by AAAS

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How Microbes Help Plants

  • Heat stress
  • Cold stress
  • Drought
  • Flooding
  • Osmotic stress
  • Pathogens
  • Insects
  • Heavy metal toxicity
  • Nutrient limitation

DROUGHT

How microbes can help feed the world, National Academy of Microbiologists

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  • Dr. David Johnson

New Mexico State University, Institute of Sustainable Agricultural Research

New Mexico State University

David C. Johnson- NMSU Institute for Sustainable Agricultural Research (ISAR) davidcjohnson@nmsu.edu

0.31 1.01 1.72 2.67 3.93 4.92 Beginning Soil C (%)

r2= 0.99

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  • Dr. David Johnson

New Mexico State University, Institute of Sustainable Agricultural Research

New Mexico State University

David C. Johnson- NMSU Institute for Sustainable Agricultural Research (ISAR) davidcjohnson@nmsu.edu

Fungal:Bacterial

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  • Dr. David Johnson

New Mexico State University, Institute of Sustainable Agricultural Research

New Mexico State University

David C. Johnson- NMSU Institute for Sustainable Agricultural Research (ISAR) davidcjohnson@nmsu.edu