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Photosynthesis and plant energy biology

The capture of CO2 by photosynthesis using sunlight is fundamental to the maintenance of life on earth.

About

The capture of CO2 by photosynthesis using sunlight is fundamental to the maintenance of life on earth. At the Research School of Biology, we study the energy metabolism of plants, algae and cyanobacteria, including the functioning of light capture, CO2 fixation and the interactions with respiration processes and how these determine growth and productivity of agricultural and natural ecosystems.

Our approaches range from synthetic biology to physiology and plant phenomics. The ANU node of the Australian Plant Phenomics Facility is developing new modeling and machine learning approaches to enables us to scale from leaf to field. This means we can translate our knowledge about the biochemistry and physiology of leaves and individual plants to their functioning in agroecosystems, in particular under changing climatic conditions.

Our research is embedded in the ARC Centre of Excellence for Translational Photosynthesis, the ARC Centre of Excellence in Plant Energy Biology, as well as the Bill and Melinda Gates-funded C4 Rice and RIPE (Realizing Increased Photosynthetic Efficiency) projects.

Groups

Atkin Group

Atkin Group studies plant metabolic responses to environmental gradients, including how leaf respiration varies within and among biomes across the globe. 

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Close-up image of ripe rice stalks with grains ready for harvest.

The Badger Group is focused on understanding the ways different photosynthetic organisms have adapted to efficiently fix CO2, where CO2 is a limiting substrate.

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Group of nine people posing in front of a colorful mural outdoors.

We study the genetic basis of Climate Adaptation in foundation plant species, using state of the art Genomic and Phenomic techniques

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A group of twelve diverse people smiling for a photo in a sunny park with tall trees and grass in the background.

We work on engineering strategies to increase crop tolerance to salinity and drought, and to advance water filtration technology.

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Chan Group photo

We aim to unravel molecular and biochemical mechanisms that enable plant cells to adapt to challenging environmental conditions

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Close-up of bright green sunlit leaves, showcasing distinct leaf veins and vibrant color contrasts.

We investigate the structural organization of the thylakoid membrane; electron flow in leaves; quantification of Photosystem II; and photodamage.

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Danila group

Our group studies plasmodesmata to answer important plant science questions related to development, cellular transport, root biology, signalling and evolution.

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Close-up view of a leaf surface under the microscope, showing green cells and stomata.

We study relating photosynthesis to nitrogen; CO2 diffusion within leaves; analysing how plants acclimate to their light environment.

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Looking upwards through a dense forest of tall trees into a foggy sky.

Our research includes: photosynthesis and growth with N2 and water use of plants; stomatal physiology; isotopic composition of plants & global change science.

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Different forms of rice and rice plants displayed, including grains, husk, and stalks.

Our research focuses on the identification of enhanced photosynthetic properties in crop and model plant germplasm, and improving C4 photosynthesis. 

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A single green shoot sprouting from a cracked, dry soil.

The Masle group's central interest is on the interplay between genetic and environmental determinants of plant development and adaptation to stress.

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A collage featuring various scientific elements such as diagrams of molecular structures, images of barley, a word cloud related to plant genetics research, and a microscopic view of cells.

The Melonek Group studies the genetic and molecular basis of cytoplasmic male sterility and fertility restoration in plants.

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Pogson group

The overarching theme of our research is to determine the controls and regulators of communication between the chloroplast and nucleus.

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Illustration showing how cyanobacteria and carboxysomes support photosynthesis in a tobacco plant, detailing the flow of molecules like CO2 and sugars.

The Price lab is presently focusing on the molecular biology and physiology of photosynthesis in cyanobacteria (blue-green photosynthetic bacteria) and plants

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A group photo

We are investigating aspects of carbon acquisition by plants including the biochemistry of CO2 fixation and regulation of CO2 diffusion into and within leaves.

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A 3D model of a colorful, multi-segmented molecular structure resting on a green leaf.

We focus on the development and use of synthetic tools to scrutinize the biology of the most abundant protein, the photosynthetic CO2-fixing enzyme Rubisco.

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Projects

This project aims at understanding the detailed chemical mechanism of ribulose 1,5-bisphosphate carboxylase oxygenase, using isotope effects.

Student intake

Open for Bachelor, Honours, Master, PhD students

Projects dealing with CO2 acquisition by cyanobacteria and plants, and impact of climate change, and the engineering plants that use less water and produce greater yield.

Photosynthetic CO2 fixation rate is constrained by CO2 diffusion inside leaves from intercellular airspace to the cytoplasm and chloroplasts in species with either C3 or C4 photosynthetic pathway.

Student intake

Open for Bachelor, Honours, Master, PhD students

People

Plant cells respond to environmental perturbations using a wide array of signalling molecules, many of which are established secondary messengers in animal and microbial cells. However, plant cells also use chloroplasts as environment sensors. How are chloroplast signals coordinated with the secondary messengers?

Student intake

Open for Bachelor, Honours, Master, PhD students

People

This project will identify cellular communication networks that are necessary for the fine-tuning of chloroplast functions in specialised leaf cell types of plants performing heat-tolerant C4 photosynthesis.

Student intake

Open for Bachelor, Honours, Master, PhD students

People

In this project, the student will further investigate the relationship between the cytochrome b6f and ATP synthase complexes using a combination of molecular biology and physiological techniques. This project is part of a larger project and highly relevant for our overall goal to improve photosynthesis in crop plants.

Student intake

Open for Honours students

People

News

Dr. Florence Danila of the Australian National University wins Thomas Davies 2024 grant from the Australian Academy of Science to support her work on plasmodesmata.

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Dr. Florence Danila awarded as one of the 2023 ACT's Young Tall Poppies on 19 September 2023 at the Shine Dome.

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Scientists from ANU and James Cook University have identified an "exquisite" natural mechanism that helps plants limit their water loss with little effect on carbon dioxide intake - an essential process for photosynthesis, plant growth and crop yield.

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In a new paper published in Nature Plants, we report on a natural secret that could ultimately be used to help plants thrive while using less water.

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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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A plant biologist and geochemist from The Australian National University have both been recognised for their outstanding contributions to their fields of science.

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