Carnegie Science, Carnegie Institution, CRISPR, CRISPR/Cas, CRISPR/Cas9, Devaki Bhaya
Stanford, CA— You’ve probably seen news stories about the highly lauded, much-discussed genome editing system CRISPR/Cas9. But did you know the system was actually derived from bacteria,...
Explore this Story
Stanford, CA— During the daytime, plants convert the Sun’s energy into sugars using photosynthesis, a complex, multi-stage biochemical process. New work from a team including Carnegie...
Explore this Story
Washington, DC— More than 1,000 scientists from nonprofit, corporate, academic, and private institutions say public doubts about genetically modified food crops are hindering the next Green...
Explore this Story
Stanford, CA—Carnegie’s Alexander Jones will receive the Tansley Medal for Excellence in Plant Science. The honor includes publishing a short review, an editorial written about his work...
Explore this Story
Stanford, CA—Everyone who took high school biology learned that photosynthesis is the process by which plants, algae and select bacteria transform the Sun's energy into chemical energy...
Explore this Story
Stanford, CA— Once a mother plant releases its embryos to the outside world, they have to survive on their own without family protection. To ensure successful colonization by these vulnerable...
Explore this Story
"I started to wonder if I could design a course that encouraged freshmen to recognize the beauty and wealth of trees on campus? Could I meld my curiosity about the trees and rejuvenate my rusty...
Explore this Story
Stanford, CA— Like humans, plants are surrounded by and closely associated with microbes. The majority of these microbes are beneficial, but some can cause devastating disease. Maintaining the...
Explore this Story

Pages

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 ...
Explore this Project
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...
Meet this Scientist
Devaki Bhaya wants to understand how environmental stressors, such as light, nutrients, and viral attacks are sensed by and affect photosynthetic microorganisms. She is also interested in understanding the mechanisms behind microorganism movements, and how individuals in groups communicate, evolve...
Meet this Scientist
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%...
Meet this Scientist
You May Also Like...
Stanford, CA—Transport proteins are responsible for moving materials such as nutrients and metabolic products through a cell’s outer membrane, which seals and protects all living cells, to the cell’s...
Explore this Story
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...
Explore this Story
The Office of the President has selected two new Carnegie Venture Grants. Peter Driscoll of the Department of Terrestrial Magnetism and Sally June Tracy of the Geophysical Laboratory were awarded a...
Explore this Story

Explore Carnegie Science

Moises Exposito-Alonso
February 28, 2020

Palo Alto, CA— Carnegie’s Moises Exposito-Alonso is one of four recipients of the American Society of Naturalists’ Jasper Loftus-Hills Young Investigator Award in recognition of “outstanding and promising work” by individuals who are within three years of completing their Ph.D or in their final year of graduate school.

Exposito-Alonso is an evolutionary geneticist who joined Carnegie last September as a staff associate, a prestigious position designed for early career scientists who are ready to independently deploy creative approaches to challenging research projects. 

His lab is pioneering the use of genomics to ask whether species will

A fluorescence image of the sea anemone Exaiptasia, courtesy of Tingting Xiang
January 8, 2020

Stanford, CA— Corals depend on their symbiotic relationships with the algae that they host. But how do they keep algal population growth in check? The answer to this fundamental question could help reefs survive in a changing climate.

New work published in Nature Communications by a team including Carnegie’s Tingting Xiang, Sophie Clowez, Rick Kim, and Arthur Grossman indicates how sea anemones, which are closely related to coral, control the size of the algal populations that reside within their tissue.  

Like corals, anemones host photosynthetic algae, which can convert the Sun’s energy into chemical energy. An alga shares some of the sugars

Researchers in Tübingen courtesy of Moises Exposito-Alonso.
August 28, 2019

Palo Alto, CA— Plant genetic diversity in Central Europe could collapse due to temperature extremes and drought brought on by climate change, according to a new paper in Nature led by Moises Exposito-Alonso, who joins Carnegie next month from the Max Planck Institute for Developmental Biology and UC Berkeley. Because only a few individuals of a species are already adapted to extreme climate conditions, the overall species genetic diversity could be greatly diminished, according to the findings. 

A team of researchers from the Max Planck institute, University of Tübingen, Technical University of Madrid, and UC Berkeley analyzed variants of the mustard plant

Octopus Spring in Yellowstone National Park courtesy of Devaki Bhaya
August 23, 2019

Palo Alto, CA— Carnegie plant scientists Devaki Bhaya and Arthur Grossman received a nearly $2 million grant from the U.S. National Science Foundation and the U.K. Biotechnology and Biological Sciences Research Council to study photosynthetic microbes from Yellowstone National Park’s Octopus Spring.

Together with Seppe Kuehn of the University of Illinois at Urbana-Champaign and Alison Smith and Chris Howe from the University of Cambridge, Bhaya and Grossman plan to use samples from the field to reconstruct in the lab the highly organized communities of bacteria that carpet the hot springs in a mat-like structure.

They will deploy sophisticated techniques to

No content in this section.

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

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

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

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 produce cells called spores. Each spore divides forming a single set of chromosomes (haploid) --the gametophyte--which produces the sperm and egg cells.

Evans studies how the haploid genome is required for normal egg and sperm function. In flowering plants, the female gametophyte, called the embryo sac, consists of four cell types: the egg cell, the central cell, and two types of