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2019 Finalists

1st Place 2019: Quiet - Lorenzo Bertizzolo

1st Place 2019: Quiet - Lorenzo Bertizzolo

This is a close capture of the inner walls of an indoor facility we use for our experiments. Its walls are covered in foam cones to absorb radio transmissions and reduce the multi-path effect.

2nd Place 2019: Charged Liquid Breakup - Elahe Javadi

2nd Place 2019: Charged Liquid Breakup - Elahe Javadi

Electrohydrodynamic atomization (EHDA) is based on electric stresses focusing a liquid exiting from an injector into a very tiny jet. This jet disintegrates into droplets about two orders of magnitude smaller than the orifice diameter due to growing disturbances. This method of atomization has particular applications because it controllably produces monodispersed fine charged droplets without requiring very small orifices, which are prone to clogging.

3rd Place 2019: Looking inside a constricting airway - Suzanne Stasiak

3rd Place 2019: Looking inside a constricting airway - Suzanne Stasiak

Second harmonic generation microscopy and fluorescent microscopy are combined to visualize changes in the fibrous extracellular matrix (collagen: green) and smooth muscle (actin: red) in a living airway as it constricts. These images help us understand the role of extracellular components of the airway wall in diseases like asthma.

People's Choice 2019: Queen Angelfish - Jaxon Derow

People's Choice 2019: Queen Angelfish - Jaxon Derow

While exploring new ways to collect and catalogue DNA for Ocean Genome Legacy, I came across this Queen Angelfish taking shelter under a coral head in Cozumel, Mexico. Clearly showing off for the camera, she presented us all with a stark reminder of the immeasurable beauty our work aims to protect.

Two-Face - Timothy Duerr

Two-Face - Timothy Duerr

This axolotl is half-green because as a single cell green embryo, it was injected with CRISPR-Cas9 to disrupt the gene coding for green fluorescent protein (GFP). Sometimes, this GFP disruption occurs after the first cell division in just one cell, meaning only half of the adult axolotl will lose the green fluorescence. Interestingly, some cells in its jaw are green, likely because jaw progenitor cells migrate between the white and green halves during development.

Sesarma Reticulatum - Kayla Sklar

Sesarma Reticulatum - Kayla Sklar

One day in Cape Cod in a salt marsh, I needed to collect 90 Sesarma reticulatum or Purple marsh crabs. I caught this beautiful, bright purple crab that measured around 28 mm, which is very large. These crabs were put into cages in the field to test how size of crab affected the growth and abundance of Spartina alternaflora or cord grass.

Warning Signal - Hana Isihara

Warning Signal - Hana Isihara

This poison dart frog (Oophaga pumilio) from Isla Colon, Bocas del Toro, Panama is aposematic. That means he has bright colors to stand out and warn his predators that he is poisonous. Across the Bocas del Toro archipelago, the colors of the frogs vary by island. On Isla Colon they are green with black spots. However, on other islands, they can be blue or red. As MS Marine Biology students, we spent a week learning about tropical terrestrial ecology. While we are in a marine biology program, it is crucial to understand the terrestrial ecosystems because all of the tropical ecosystems - rain forest to mangroves to sea grasses to coral reefs - are connected.

To the Bone - Judith Piet

To the Bone - Judith Piet

Cross-section of a mouse tibia. Regions that are glowing indicate active bone formation in the marrow compartment. My research focuses on how to promote formation in old osteoporotic bone.

Seeing the Light: Nerve Fibers in the Retina - Anastasia Yandulskaya

Seeing the Light: Nerve Fibers in the Retina - Anastasia Yandulskaya

Vision is enabled by the retina - a thin neural structure in the back of the eye. Its nerve cells capture light, convert it to electric impulses, and send them to the brain. I study how injured retina can regenerate in salamanders. In this cross section of the salamander retina, cell nuclei are shown in blue, and in red is the intricate network of retinal nerve fibers that carry visual information about the outside world.

Searching for Bugs - Kestral Johnston

Searching for Bugs - Kestral Johnston

This photo looks at our efforts to find the best concentration to use for determining the types of microorganisms present in biofilm in a wetland system used to treat wastewater for water reuse. The sample is dyed with a stain that uses bright blue to indicate DNA and highlights microorganisms present in the sample.

Purple and Yellow Dye Under Light - Annie Ikemoto

Purple and Yellow Dye Under Light - Annie Ikemoto

This is an image of violet and yellow dyes swirling in water under a high-intensity lamp. While my research studies nanoparticles and not dyes, this lamp represents what I am currently using in the lab. Instead of dyes, we are observing changes in nanoplastic particles when exposed to light. After letting a solution with nanoplastic particles sit under the light, a sample is placed in an instrument that measures particle sizes.

Platelet Plateaus - Evan Toth

Platelet Plateaus - Evan Toth

A platelet of aluminum oxide (alumina). The picture spans 2 micrometers – around 2% the width of an average human hair. It's easy to see the geometric plane-by-plane stacking in this image since, for some reason, the layers of this platelet started flaking off during the process that dispersed it in water. Alumina is used in my research regarding composite reinforcement, incorporated into polymer matrices with cellulose nanocrystals.

Microscopic Teddy Bear - Jessica Faust

Microscopic Teddy Bear - Jessica Faust

This cuddly micro-bear is made from polymer crystals grown on the surface of a sapphire and imaged with scanning electron microscopy. The polymer crystals are nucleated from carbon nanotubes decorating the surface, and grow into spherical shapes. Each spherical polymer crystal is approximately 1 micron, or 1/1000 of a millimeter. This technique is used to improve the interface in polymer-ceramic composites.

Micro-Spherical WGM Shells - Vedant Sumaria

Micro-Spherical WGM Shells - Vedant Sumaria

Arrays of on-chip spherical glass shells of hundreds of micrometers in diameter with ultra-smooth surfaces and sub-micrometer wall thicknesses have been fabricated and have been shown to sustain optical resonance modes with high Q-factors of greater than 50 million. The resonators exhibit temperature sensitivity of −1.8 GHz K−1 and can be configured as ultra-high sensitivity thermal sensors for a broad range of applications.

LQT1 Cable - Mingwang Zhong

LQT1 Cable - Mingwang Zhong

1-D cable showing cardiac action potential for long QT syndrome type 1. With left ventricle (green) action potential phenotype different from the right ventricle (blue), premature ventricular complex (red) occurs and propagates along the cable — the premature ventricular complex results in malignant cardiac arrhythmia.

Love Is In The Air - Sophie McLaughlin

Love Is In The Air - Sophie McLaughlin

Love is in the air. This image depicts Borrelia burgdorferi clumped together in a heart. These spirochete bacteria cause Lyme disease. Image acquired by dark field microscopy.

King Sized - Jeriyla Kamau-Weng

King Sized - Jeriyla Kamau-Weng

"When you look at this image, what do you think of? brains? A piece of glass? Maybe a delicate crystal? Actually, it's the dissected testicle of a termite! My lab's current project focuses on the impacts of disease on the reproductive capacity of termite kings in order to understand the ""decisions"" organisms make when it comes to investing in immunity or reproduction. "

Lime caviar - Hannah Meiseles

Lime caviar - Hannah Meiseles

Human cells, much like human beings, don't quite enjoy existing alone. To form tissues, our cells require attachment, whether it be to other surfaces or other cells. My lab grows our experimental cells in liquid, and we do so by attaching them to tiny sticky orbs, called microcarriers. In this picture, the microcarriers are the large circles, while the tiny dots floating around are the human cells. Soon they will attach, ready for more growing!

Hydrogels - Alexandra Spak

Hydrogels - Alexandra Spak

In this research, I was investigating how changes in salinity impacted hydrogel bonding and properties, like size and elasticity. Hydrogels are composed of many polymers cross-linked together, and are considered a "smart material" because they can change their shape depending on their surroundings. In this photo, hydrogels soaked in high-salinity solutions were much smaller than hydrogels soaked in pure water.

H&E Stained Skin - Austin Kim

H&E Stained Skin - Austin Kim

This is a hematoxylin and eosin (H&E) stained skin section of a C57BL/6 mouse (common lab mouse). The hematoxylin dyes the cellular nuclei purple while the eosin dyes the non-nuclear cells such as collagen pink. H&E staining is used in our lab because it illustrates a basic picture of the different cells and structures in the skin. In this picture, you can clearly see the epidermal layer, dermal layer, subcutaneous layer, and even the muscle.

Hexagonal Mesh of Knotted Toroidal Monomers - Sebastian Hodge

Hexagonal Mesh of Knotted Toroidal Monomers - Sebastian Hodge

This is an image of a woven mesh structure composed of toroidal monomers that is part of a project exploring the structural possibilities that are achievable using pipe cleaners as a building material. A fundamental unit of assembly, the pipe cleaner toroid, is achieved through coiling and closing a helix into a loop. Toroidal monomers can be knotted or frictionally coupled both laterally and vertically to assemble planar and polyhedral meshes and helical tubes.

HiPSC NPCs - Julia Ennis

HiPSC NPCs - Julia Ennis

Immunofluorescent staining of hiPSC (human induced pluripotent stem cell) NPCs (neuronal progenitor cells). DAPI, seen in blue, is used as a DNA stain, and helps to visualize the present nuclei. Other fluorescently labeled antibodies were used at the wavelengths of 488, 568, and 647nm and are seen as green, orange, and red.

For the Love of Chemistry - Kelly Bachovch

For the Love of Chemistry - Kelly Bachovch

After figuring out conditions for a difficult selective iodination of a compound, purification resulted in fractions in a gradient from purple to bright pink right around the time of Valentine's Day. It was the first time in my research that one of my compounds wasn't brown or yellow, and it was a nice surprise. The color comes from the excess iodine used in the reaction.

Finding Beauty in Failure_Morgan Packer.

Finding Beauty in Failure_Morgan Packer.

Filter Feeder - Tim Briggs

Filter Feeder - Tim Briggs

I'm working on telling the story of marine microplastic pollution. Filter feeders like this huge whale shark are one of many marine creatures that end up eating plastic accidentally. Smaller whale sharks than this one can filter 86,000 gallons of water in an hour, usually feeding for 7 to 8 hours per day. The plastic can affect their reproduction and growth by getting lodged in their guts, and through toxic accumulation.

Equiluminant Colors - Jingyi He

Equiluminant Colors - Jingyi He

Pictures of the two moving stimuli used in our study are shown on the left, and their red, green, and blue components are shown as waves in time on the right. In color vision research, we create each stimulus following precise science, and elegantly, the resulting images fall into the field of art.

Essence of Mars - Stephanie Gao

Essence of Mars - Stephanie Gao

A fluorescent image of Escherchia coli cells stained with propidium iodide, a DNA intercalator that identifies dead cells within a population. Treated with isopropanol, the sample pictured contains millions of lysed bacterial cells. This staining procedure is commonly used in determining cell viability.

Developing Axolotl Limb - Alexander Lovely

Developing Axolotl Limb - Alexander Lovely

This image shows the localization of three types of messenger RNA in the developing axolotl salamander arm. The magenta color shows cells producing paired related homeobox 1, a gene which instructs cells to become an arm. The cyan color shows cells that are producing fibroblast growth protein 8, which tells a limb to grow outward. Cells in yellow show expression of the sonic hedgehog gene, which determines the location of the pinky of humans and salamanders.

Cryopreserved Superior Cervical Ganglia - Tess Torregrosa

Cryopreserved Superior Cervical Ganglia - Tess Torregrosa

Many cell types are able to be cryopreserved, but due to the sensitivity of neurons, not many neuronal cell types have been frozen for storage. We have found that superior cervical ganglia, neurons that release norepinephrine, are able to be frozen, thawed, and grown in the lab, and behave similarly to their fresh counterparts. Cryopreserving this cell type allows for easier experimentation to develop a model of the nervous system to the heart.

Color Tagged Drosophila Melanogaster Larvae - James Yu

Color Tagged Drosophila Melanogaster Larvae - James Yu

Drosophila (fruit fly) larvae are slightly transparent, so feeding them colored food allows us to identify them easily. We are currently developing a robotic system to monitor and observe these larvae for long periods of time to study how individual behavioral phenotypes (i.e. personalities) form and how that affects their neurological physiology and vice versa. The color tagging ensures that we’re tracking the same individual over the entire experiment.

DAPI/Phalloidin Stained MRC5 Cell - Fausto Capelluto

DAPI/Phalloidin Stained MRC5 Cell - Fausto Capelluto

For this image, I used Phalloidin to stain the actin cytoskeleton of the cell for some research regarding actin-dependent endocytosis. DAPI was utilized to visualize the nuclei.

Cercariae Shed from Freshwater Snails in Ghana - Raeann Dalton

Cercariae Shed from Freshwater Snails in Ghana - Raeann Dalton

I worked at the Kumasi Centre for Collaborative Research in Tropical Medicine during my second co-op, where my team and I studied a parasitic disease called schistosomiasis that is transmitted via freshwater snails and is prevalent in Ghana. After collecting snails from nearby rivers, we brought them back to the lab to see if they carried parasites. The Fasciola species shown in this image were discovered from a snail collected in November during the dry season.

Architecture Cloud - Pengfei He

Architecture Cloud - Pengfei He

A data visualization of the abstract spatial organization of a famous building designed by Venturi in 1959.

Can Corals Fight Back Against Climate Change? - Louise Cameron

Can Corals Fight Back Against Climate Change? - Louise Cameron

My research focuses on how organisms respond to ocean acidification. This process alters seawater chemistry, making it harder for animals and plants to calcify, or build hard structures. I study how marine organisms control calcification site chemistry, and whether they can maintain this under global change. Here, a pH-sensitive microelectrode is being inserted into a coral’s calcifying fluid. We found that some corals can combat ocean acidification by actively elevating the pH of this site.

Breaking Hearts - Jonathan Soucy

Breaking Hearts - Jonathan Soucy

The brain regulates heart rate in response to the surrounding environment. To study this system, I develop organ-on-chip models using rodent cells. This image shows that cells from the heart grow, divide, and establish connections with each other. Shown in red are cardiac cell structural proteins, turquoise are cell nuclei, and purple are the connections between cells.

Brain Microvascular Networks - Max Winkelman

Brain Microvascular Networks - Max Winkelman

My lab hopes to create an accurate model of the human blood brain barrier. To work towards this goal, we have developed brain blood vessels inside a microfluidic device. Endothelial cells, shown in red, form capillary networks supported by pericytes, shown in violet, and astrocytes, shown in green. The nuclei of all cells are shown in blue.

Bloom forming Cyanobacteria of the Charles River - McNamara Rome

Bloom forming Cyanobacteria of the Charles River - McNamara Rome

Aphanizomenon, Anabaena, and Microcystis are the three dominant bloom-forming cyanobacteria in the Charles River. Each organism forms colonies of rafted cells and are capable of rapid growth.

BLA neuron - Jordan Abettan

BLA neuron - Jordan Abettan

This is a rat brain BLA (amygdala) neuron that was intracellularly microinjected with a fluorescent dye called Lucifer Yellow, and then imaged.

Baja Mono Waterfall - Katrina Fedors

Baja Mono Waterfall - Katrina Fedors

As a student in the Three Seas master's program, I've had the opportunity to conduct research in various ecosystems. This picture was taken during a hike at Baja Mono, Boquete, Panama for our Tropical Terrestrial Ecology course.

And What About Joy? - Rosemary Ajegwu

And What About Joy? - Rosemary Ajegwu

I created this digital collage which has various faces on red dots and connecting lines symbolizing the location optimization model we are using to find the most optimal locations within the United States to place sex trafficking shelters. There is also a search bar at the top representing the research I am currently doing on quantifying non-capitalist, humane measures such as joy, to integrate into the model.

And if you Gaze Long Enough into a Biofilm... - Evan Hunter

And if you Gaze Long Enough into a Biofilm... - Evan Hunter

Typically, bacteria are perceived as single-celled. However, they in fact form multicellular communities called biofilms. Biofilms are essential for host-microbe symbioses and have important implications for health, industry, and agriculture. The Chai Lab studies Bacillus subtilis, which forms biofilms on the roots of plants and enhances host plant growth. However, biofilms can be cultivated in the lab on Petri dishes with specific induction medias. Normally, colony biofilms are relatively symmetrical, but this one looks like a monkey, which I thought was funny.

A Cluster of Dorsal Root Ganglia Sensory Neurons - Danielle Large

A Cluster of Dorsal Root Ganglia Sensory Neurons - Danielle Large

This is a cluster of immunostained dorsal root ganglia neurons imaged at 20X magnification. These neurons were used in studies examining the effect of chemotherapeutic paclitaxel on neuron growth, morphology, and metabolism.

A Flower Within - Ariela Esmurria

A Flower Within - Ariela Esmurria

An unknown endophyte isolated from a young soybean plant. Isolation of native bacteria and fungi from plant tissue can help us understand how those microorganisms help plants to survive in their environments.

3D Encapsulated W-20 Stromal Cells in a Hydrogel - Ebrahim Mostafavi

3D Encapsulated W-20 Stromal Cells in a Hydrogel - Ebrahim Mostafavi

Representative F-Actin/DAPI fluorescent image of W-20 stromal cells encapsulated in a hydrogel.

Origami-Inspired Robotics - Soroush Kamrava

Origami-Inspired Robotics - Soroush Kamrava

Origami, art of paper folding, is the source of inspiration for many recently developed technologies. Here, we developed an origami-inspired biomimetic robotic hand which offers an effective control using a limited number of actuators.

2018 Finalists

1st Place 2018: Gut Feelings - Marissa Puzan

1st Place 2018: Gut Feelings - Marissa Puzan

The gut houses vast network of neurons and glia known as the enteric nervous system. These neurons control motor and secretory function in the gut and are thought to communicate bidirectionally with the brain. In culture, primary enteric neurons (red-Beta-III tubulin) and glia (pink-F-Actin, green-vasoactive intestinal peptide) aggregate to form ganglia resembling their morphology in vivo. 20x magnification.

2nd Place 2018: Blastema - Johanna Farkas

2nd Place 2018: Blastema - Johanna Farkas

The axolotl salamander is capable of fully regenerating amputated limbs, and the goal of the Monaghan lab is to uncover the mechanisms behind this astonishing regenerative ability. Shown here is a rapidly growing regenerative structure called a blastema. Proliferating cells are stained in green, while nerves are stained in red and all cell nuclei are stained in blue.

3rd Place 2018: Bigfin Reed Squid - Jaxon Derow

3rd Place 2018: Bigfin Reed Squid - Jaxon Derow

Diving at night in Indonesia to assess how well Marine Protected Areas preserve coral reef health, I observed this Bigfin Reef Squid darting about, using its thousands of individually controlled colorcells, called chromatophores, to flash its neon colors. These encounters fuel my desire to ensure that future generations can experience the beauty of coral reefs as I have.

People's Choice 2018: Transform Transparency into Bright Red - Khoa Luu

People's Choice 2018: Transform Transparency into Bright Red - Khoa Luu

The Lyme disease bacterium Borrelia burgdorferi is transparent due to its unique cell membrane characteristics. We aim to quantify cell density by turning transparency into a visible red signal. The first cloning step is depicted: Escherichia coli expressing the red fluorescent protein tdTomato, grown on an agar plate containing the selective antibiotic gentamicin.

Intercardiac Ganglia - Tess Torregrosa

Intercardiac Ganglia - Tess Torregrosa

Superior cervical ganglia (SCG) are neurons found in the autonomic nervous system (ANS) that help control involuntary movement. The SCG is responsible for initiating a "fight or flight" response, dilating your pupils, relaxing the airways, and accelerating the heart rate. In our lab, we systematically study how the SCG affect heart failure by tissue engineering the ANS in a dish.

2 Gene in situ of a Regenerating Axolotl Limb - Alex Lovely

2 Gene in situ of a Regenerating Axolotl Limb - Alex Lovely

To understand the incredible regenerative ability axolotls present, new techniques are necessary to investigate the expression of specific genes during regeneration. Fluorescent in-situ hybridization, a way of visualizing mRNA, is one such method. Shown here is an example of one of the first multiple gene in-situs conducted in axolotl tissue. Staining B-actin (green), methyltransferase (red), and a nuclear stain (blue).

Boundary of Creating and Capturing - Huaihan Yin

Boundary of Creating and Capturing - Huaihan Yin

Originally, cameras were designed to accurately capture reality. However, as this image of streetlights on Newbury Street demonstrates, photographers are now able to manipulate images. I am exploring this use of manipulating images as a way to represent scientific concepts such as human genetics and the motion of biological compounds.

Raja Pygmy Seahorse - Jaxon Derow

Raja Pygmy Seahorse - Jaxon Derow

While studying how Marine Areas are used to preserve the health of Indonesian coral reefs, I was frequently reminded of lessons from my Intro to Evolution class. This Raja Pygmy, its white bumps perfectly mimicking the only species of sea fan on which it resides, is a gorgeous example of organisms perfectly adapting to their habitats.

Emperor Shrimp - Jaxon Derow

Emperor Shrimp - Jaxon Derow

Coming across this creature while diving in Indonesia to evaluate how Marine Protected Areas are used to protect the health of coral reefs, I was amazed by how well camouflaged it was against the sea cucumber behind it. These two species are only found together: a perfect example of the incredible symbiotic relationships I am working to preserve.

Tuj1 - Farimah Mapar

Tuj1 - Farimah Mapar

Through immunostaining of the lineage marker, Tuj1, we were able to visualize different parts of human-induced stem cell-derived neurons, including soma, axons, and dendrites. This allowed us to prove that these neuron cells were both mature and interconnected. Using the immunostaining technique, we are better able to understand the functionality of these neurons in vitro.

Tailspot Blenny - Jaxon Derow

Tailspot Blenny - Jaxon Derow

During my time underwater studying the effectiveness of Indonesian Marine Protected Areas in safeguarding coral reefs, I began to understand the behavior of the organisms that inhabit these complex ecosystems. As I hovered ever closer to the centuries-old coral head this Tailspot Blenny called home, it danced slowly towards me, matching my curiosity.

Rho Fireworks - Kendra Marcus

Rho Fireworks - Kendra Marcus

Much like salts, proteins can also form crystals. We form protein crystals to study their structure through X-ray crystallography. When crystallized, proteins create beautiful shapes based on how they are arranged in the solid. In this microscopic image, Rho GTPase forms thick needles that bend the light in away that they take on a kaleidoscope of colors.

Lagoon Life - Jared Hirschfield

Lagoon Life - Jared Hirschfield

Depicted is an algae bloom in a roadside lagoon from which I collected a water sample for microbial analysis. In the Godoy laboratory campus, I study such samples to better understand how such thriving, beautiful life is possible in the planet's driest non-polar desert. For me, the abstraction of this algae bloom speaks to the paradoxical wonder of the Atacama, a place that promises high-impact biological discovery amid a landscape of seeming lifelessness.

Dancing through Science - Seojin Park

Dancing through Science - Seojin Park

This image shows a student selecting Xenopus laevis oocytes that will be used to express the ion channels and receptors of his interest. Xenopus oocytes are widely used for studying ion channels and receptors in electrophysiology. In pharmaceutical science, electrophysiology research focuses on finding the relationship between the action of a drug and its effect on the target receptors.

Red target - Rubaiyet Abedin

Red target - Rubaiyet Abedin

To determine the solubility of refrigerant (red molecule) in solvent, I use a specific molecular dynamic simulation method. This picture shows the interaction between the target refrigerant molecule and the solvent molecules (green: choline ion, orange: chlorine ion, gray: ethylene glycol; these molecules form the solvent when mixed at a specific ratio).

Neutrophil - Johanna Farkas

Neutrophil - Johanna Farkas

One aim of the Monaghan lab is to elucidate the largely unexplored relationship between inflammation and regeneration. Here, an axolotl immune cell called a neutrophil- stained in red with the immune marker EGR1- engulfs a foreign cell which has been transplanted from another animal and is expressing green fluorescent protein. All cell nuclei are stained in blue.

2D MXene Bird - Mehrnaz Mojtabavi

2D MXene Bird - Mehrnaz Mojtabavi

This image shows a free-standing two-dimensional (2D) Ti3C2 flake on a pre-fabricated 200 nanometer hole (bird’s eye). 2D membranes are the thickness of a single atom and physically robust. By further fabricating a sub-10 nanometer pore in the membrane (not shown here), a biopolymer such as DNA could be threaded through the nanopore and probed by an electrical signal so that some structural information could be obtained.

Wildtype Bacillus Subtilis Colony Biofilm - Leticia Angelini

Wildtype Bacillus Subtilis Colony Biofilm - Leticia Angelini

This photograph displays a colony biofilm in Bacillus subtilis. This fascinating species of microorganism forms these very complex structures composed of cells with different functions. Although B. subtilis is non-pathogenic, biofilms are frequently associated with antibiotic resistance. My research focuses on the investigation of a pigment produced by B. subtilis and its signaling function within the biofilm of this species.

Nerve in Cross Section - Johanna Farkas

Nerve in Cross Section - Johanna Farkas

Like many types of regeneration, salamander limb regeneration requires the presence of nerves. The Monaghan Lab has found that nerves release a growth factor called Neuregulin-1 that is essential for limb regeneration. Shown here is a cross section of an axolotl peripheral nerve, with Neuregulin-1 stained in green, the nerve marker beta-tubulin III in red, and cell nuclei in blue.

Rho Booklets - Kendra Marcus

Rho Booklets - Kendra Marcus

The same protein as featured in “Rho Fireworks” is crystalized in a different solution. The chemicals present in the crystal droplet cause the Rho GTPase proteins to stack in a different way. The result of the different packing is a very different crystal shape. Both sets of crystals diffract X-rays in unique ways to varying quality.

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