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Plant-microbe interactions

Explore plant-microbe interactions at ANU, from soil and shoot symbioses to pathogens, enhancing growth and productivity in agricultural and natural ecosystems.

About

The interactions of plants with microbes both in the soil and above ground shoot are of great importance for the growth and productivity of plants in agricultural and natural ecosystems. At the Research School of Biology, interactions between plants, symbiotic bacteria, fungi, and pathogens are being investigated at levels ranging from the molecule to the ecosystem.

Groups

A possom on a tree

The aim of our research is to understand the ecology and evolution of interactions between plants and animals in the Australian biota.

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Close-up of a green leaf covered in fine, white frost against a blurred orange background.

We investigate the molecular basis of disease and disease resistance in tomato (leaf mould and Fusarium wilt resistance) and flax (flax rust resistance).​

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A close-up photo of a unique green and maroon orchid with elongated, curved petals and stripes, set against a soft-focus green background.

Our main research interest is in fungal-plant-interactions, both applied and pure research, on a range of important pathogens.

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Fluorescent microscopy image showing a red-stained filamentous structure with a detailed blue-highlighted component at the top, all set against a dark background.

We are interested in the molecular mechanisms controlling nodule development in legumes, and how this is linked to other aspects of root architecture.

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A diagram showing the interaction between microRNA and target mRNA, with images of different growth stages of a plant.

The principal interest of the lab is gene silencing mediated by microRNAs, with a focus on microRNAs that control plant disease resistance.

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Illustration of a green plant with multiple leaves, some of which have yellow spots, on a white background.

Rathjen group focuses on all aspects of plant immunity, characterising the fascinating interplay between host and pathogen.

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A group of people smiling for a photo on a sunny beach with waves in the background.

Our team focuses on questions around plant biosecurity in Australia by studying the interaction between plants and their fungal pathogen.

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Group of eleven diverse people posing together on a sandy beach.

The Solomon group focuses on pathogens of wheat that threaten food security and stability.

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Illustration showing various colored molecular structures superimposed on a plant image with yellow nodules on its stems.

We aim to understand the molecular basis of the interactions between plant hosts and the microorganisms, particularly fungi, that colonise them.

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Projects

We are using molecular biology tools and confocal microscopy to mapy the regions in rust effectors required for delivery into host cells, and identify components of the effector secretion machinery. This project interfaces strongly with our stripe rust work on identifying effector molecules. 

Student intake

Open for Bachelor, Honours, PhD students

People

A proteomics approach to understand the role of plasmodesmata in plant-pathogen interaction.

Student intake

Open for Summer scholar, Honours students

People

We have shown an ancient miRNA acts as a genetic switch controlling a broad-spectrum of plant defense genes that confers resistance to the pathogen Phytophthora. We have multiple projects exploring the conservation, mechanism and spectrum of this disease resistance pathway, and potential biotechnological applications.

Student intake

Open for Bachelor, Honours, Master, PhD students

People

This project aims to isolate and identify bacteria and fungi from several major agricultural weed species to assess natural reservoirs of crop and livestock pathogens. Isolating these microbes will also screen for pathogens of the weed host with the potential for novel biocontrol methods.

Student intake

Open for Honours, Master students

People

  • Oliver Mead 

The aim of this project is to understand the molecular mechanisms of plant flavonoids in nitrogen fixing symbioses of legumes, including in rhizosphere signaling, rhizobial infection and nodule development.

Student intake

Open for Bachelor, Honours, Master, PhD students

People

Rust diseases are a serious threat to cereals and other crops throughout the world. Significant advances in understanding the molecular basis of rust fungus pathogenicity and rust disease resistance in plants have been achieved using the flax/flax rust pathosystem.

Student intake

Open for PhD students

News

While Angus Rae focuses intently on a captivating microscopic world, he is actually working towards a solution for an environmental catastrophe occurring on a global scale.

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A new research centre based at ANU will train the next generation of scientists to develop more resilient crops and significantly grow Australia's agricultural sector.

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Wheat

Some clever detective work by an international team of scientists has uncovered how a deadly fungus - a stem rust called Ug99 - came about through some unusual breeding habits. The discovery will help protect wheat crops around the world from devastating fungal diseases.

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Plant biologist and Head of the Plant Sciences Division at the ANU Research School of Biology, Professor Owen Atkin, has been named the 2019 Vice-Chancellor's Entrepreneurial Fellow for his work around entrepreneurial agri-technology.

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Sam Periyannan was born and brought up on a small sugar cane farm in Southern India. He never dreamed he would become a crop researcher, rather than a cane farmer.

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Simon Williams uses protein biochemistry and structural biology approaches to understand how plant pathogens cause disease and how the plant immune system prevents infection.

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