Washington, D.C. — Plant science is key to addressing the major challenges facing humanity in the 21st Century, according to Carnegie’s David Ehrhardt and Wolf Frommer. In a Perspective published in...
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Stanford, CA—The major difference between plant and animal cells is the photosynthetic process, which converts light energy into chemical energy. When light isn’t available, energy is generated by...
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Stanford, CA— Along with photosynthesis, the plant cell wall is one of the features that most set plants apart from animals. A structural molecule called cellulose is necessary for the manufacture of...
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Stanford, CA— Plant's leaves are sealed with a gas-tight wax layer to prevent water loss. Plants breathe through microscopic pores called stomata (Greek for mouths) on the surfaces of leaves. Over 40...
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Stanford, CA— Plant roots are fascinating plant organs – they not only anchor the plant, but are also the world’s most efficient mining companies. Roots live in darkness and direct the activities of...
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  Stanford, CA – Scientists at Carnegie’s Department of Plant Biology have made the first real-time observations of sugars in the cells of intact and living plant tissues. With the...
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Revolutionary progress in understanding plant biology is being driven through advances in DNA sequencing technology. Carnegie plant scientists have played a key role in the sequencing and genome annotation efforts of the model plant Arabidopsis thaliana and the soil alga ...
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Zhiyong Wang was appointed acting director of Department of Plant Biology in 2018. Wang’s research aims to understand how plant growth is controlled by environmental and endogenous signals. Being sessile, plants respond environmental changes by altering their growth behavior. As such, plants...
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Matthew Evans wants to provide new tools for plant scientists to engineer better seeds for human needs. He focuses on one of the two phases to their life cycle. In the first phase, the sporophyte is the diploid generation—that is with two similar sets of chromosomes--that undergoes meiosis to...
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Arthur Grossman believes that the future of plant science depends on research that spans ecology, physiology, molecular biology and genomics. As such, work in his lab has been extremely diverse. He identifies new functions associated with photosynthetic processes, the mechanisms of coral bleaching...
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Stanford, CA— Along with photosynthesis, the plant cell wall is one of the features that most set plants apart from animals. A structural molecule called cellulose is necessary for the manufacture of...
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Each year, the journal The Scientist ranks academic research institutions across the US. This year, Plant Biology is among the top 5. We will make every effort to keep this place among the most...
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Palo Alto, CA—Photosynthesis makes our atmosphere oxygen-rich and forms the bedrock of our food supply. But under changing or stressful environmental conditions, the photosynthetic process can become...
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Explore Carnegie Science

Pennycress
August 3, 2020

Palo Alto, CA— Carnegie’s Sue Rhee and Moises Exposito-Alonso are leading members of an initiative to identify genes related to stress tolerance in the mustard plant field pennycress. Theirs was one of seven biofuel research projects awarded a total of $68 million over five years by the Department of Energy. 

Climate change is one of the greatest challenges facing humankind and scientists from a wide variety of fields are applying their expertise to help understand and mitigate its effects. This includes plant scientists, whose work can help maintain food security in a warming climate, sequester carbon pollution from the atmosphere, and develop renewable energy

Moises Exposito-Alonso
July 14, 2020

Palo Alto, CA— Carnegie evolutionary geneticist Moises Exposito-Alonso was awarded a Max Planck Society’s Otto Hahn Medal for early career excellence. The prize is endowed with 7,500 euros.

Since 1978, the society has recognized outstanding scientific achievements among its recent Ph.D. recipients with the goal of motivating particularly talented individuals to pursue academic research careers. The 2020 award was given to six scientists in the biological and medical fields; 10 in human sciences; and 10 in the chemistry, physics, and technology sector. The recipients are nominated by the directors of the Max Planck Institutes at which they conducted their doctoral

Greenhouse in Germany where Exposito-Alonso did research.
April 10, 2020

Palo Alto, CA— Carnegie’s Moises Exposito-Alonso was selected for the Heidelberg Academy of Science’s Karl Freudenberg Prize in recognition of outstanding early career achievements in the natural sciences. The prize comes with a personal 10,000 Euro award.

Representing the German state of Baden-Württemberg, the academy honors several professors under the age of 40 with endowed prizes each year, including six in 2020. All of the recipients will give public presentations of their work, with dates to be announced. An evolutionary geneticist, Exposito-Alonso received his doctorate in 2018 from the Max Planck Institute for Developmental Biology in Tübigen.

Moises Exposito-Alonso
March 18, 2020

Washington, DC— Carnegie evolutionary geneticist Moises Exposito-Alonso was named a member of the 2020 class of Forbes’ 30 Under 30 Europe list in science and healthcare. 

He was recognized for his lab’s pioneering use of genomic techniques to understand how plant species will evolve and keep pace with a changing climate. 

Out of the thousands of nominees, the 30 finalists in each of the 10 categories comprise “the world’s most impactful community of young entrepreneurs and game-changers,” said the publication in announcing his selection.  

“Growing up in southern Spain, I saw how Mediterranean

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Revolutionary progress in understanding plant biology is being driven through advances in DNA sequencing technology. Carnegie plant scientists have played a key role in the sequencing and genome annotation efforts of the model plant Arabidopsis thaliana and the soil alga Chlamydomonas reinhardtii. Now that many genomes from algae to mosses and trees are publicly available, this information can be mined using bioinformatics to build models to understand gene function and ultimately for designing plants for a wide spectrum of applications.

 Carnegie researchers have pioneered a genome-wide gene association network Aranet that can assign functions

Evolutionary geneticist Moises Exposito-Alonso joined the Department of Plant Biology as a staff associate in September 2019. He investigates whether and how plants will evolve to keep pace with climate change by conducting large-scale ecological and genome sequencing experiments. He also develops computational methods to derive fundamental principles of evolution, such as how fast natural populations acquire new mutations and how past climates shaped continental-scale biodiversity patterns. His goal is to use these first principles and computational approaches to forecast evolutionary outcomes of populations under climate change to anticipate potential future

Zhiyong Wang was appointed acting director of Department of Plant Biology in 2018.

Wang’s research aims to understand how plant growth is controlled by environmental and endogenous signals. Being sessile, plants respond environmental changes by altering their growth behavior. As such, plants display high developmental plasticity and their growth is highly sensitive to environmental conditions. Plants have evolved many hormones that function as growth regulators, and growth is also responsive to the availability of nutrients and energy (photosynthates).

To understand how plant cells perceive and transduce various regulatory signals, and how combinations of complex

Plants are not as static as you think. David Ehrhardt combines confocal microscopy with novel visualization methods to see the three-dimensional movement  within live plant cells to reveal the other-worldly cell choreography that makes up plant tissues. These methods allow his group to explore cell-signaling and cell-organizational events as they unfold.

These methods allow his lab to investigate plant cell development and structure and molecular genetics to understand the organization and dynamic behaviors of molecules and organelles. The group tackles how cells generate asymmetries and specific shapes. A current focus is how the cortical microtubule cytoskeleton— an

Plants are essential to life on Earth and provide us with food, fuel, clothing, and shelter.  Despite all this, we know very little about how they do what they do. Even for the best-studied species, such as Arabidopsis thaliana --a wild mustard studied in the lab--we know about less than 20% of what its genes do and how or why they do it. And understanding this evolution can help develop new crop strains to adapt to climate change.  

Sue Rhee wants to uncover the molecular mechanisms underlying adaptive traits in plants to understand how these traits evolved. A bottleneck has been the limited understanding of the functions of most plant genes. Rhee’s group is