The Guiton Lab


Photo Credit: Alicja Cygan

Dr. Pascale S. Guiton
Principal Investigator

Dr. Guiton is passionate about the microbial world (from bacteria to viruses to fungi and protozoans and helminths). She is a molecular microbiologist by training. Her lab focuses on understanding the biology of the amazing parasite, Toxoplasma gondii. Her goal as a principal investigator is to teach her mentees the love of a work well done in a laboratory setting and instill in them the skills required for rigorous scientific experimentations. 

Dr. Guiton is a scientist-educator first and foremost! As such, she seeks that each student in her class becomes proficient in speaking the language of biology, understands the basic scientific principles, and values the contribution of the scientific method to our understanding of the world today. She actively avoids teaching biological sciences as rote learning; rather she believes it is an opportunity to enrich her students' day-to-day lives and contribute in making them fully informed citizens. 

She values cross-cultural understanding, inclusiveness, and compassion, which are core values that she strives to nurture in her classroom and foster in her mentees. She is approachable and highly dedicated to the success of all her students. Her mentoring style in the lab is catered to each student according to their needs and their career goals. She strongly believes that her role is to set an example for her mentees, one that she takes very seriously.

For more about Dr. Guiton's professional activities, please see her curriculum vitae below. 

Photo Credit: Alicja Cygan

Noresha Brown

Noresha Brown

Noresha is currently a junior undergraduate student majoring in Biology with an emphasis in Microbiology. She recently took an introductory microbiology course and became extremely interested in life at the microscopic level and how it applies to us human beings. Her research in the Guiton Lab is to identify and characterize developmentally regulated secreted effectors that contribute to Toxoplasma virulence. In her spare time, she enjoys relaxing with family and friends, watching Netflix, and rollerskating.

Binh Cao

Binh Cao

Binh is an undergraduate student at Cal State East Bay. Growing up in a small country located in Southeast Asia, he has come to the US with the excitement and ambition of exploring the world and new things. As he moved around California, attending different community colleges and finally landing at Cal State East Bay, he discovered his passion for biological sciences. After participating in a biomedical research at National Institute of Health, this passion has turned into a desire to conduct research and to find answers for unanswered questions. It is this curiosity that encouraged him to find his way to Dr. Guiton’s lab. His specific project is to understand how promoter activities contribute to protein trafficking of Toxoplasma gondii.


Parm Dhillon

Parm is currently a biology undergraduate with a focus in physiology at CSU East Bay. In the Guiton Lab, she is currently working on creating an in vitro method of monitoring stage conversion in the parasite Toxoplasma gondii.  She is very grateful to be a part of a team of ambitious student researchers and is eager to learn more about our parasite of interest! Outside of academia, she enjoys hiking, music, and cheesy sitcoms

Emily Quach

Emily Quach

Emily Quach is currently a Master’s student in Dr. Guiton’s lab. She earned her Bachelor’s of Science in Biotechnology with a concentration in microbiology and fermentation and a minor in technology management from UC Davis. 

Emily is investigating how developmentally regulated metabolic enzymes contribute to stage conversion between bradyzoites and tachyzoites in Toxoplasma gondii.

Paula Rodriguez

Paula Rodriguez

Paula Rodriguez-Cruz is a third-year student at California State University East Bay, who is currently pursuing a Bachelor’s degree in Biological Sciences with a minor in chemistry. From a very young age she has had an interest in science-based subjects, especially those related to biology. She has always been intrigued by how living organisms function and how they are all linked. Paula is fascinated by what makes something ‘alive’, and the complexity and the very existence of the human body.

As a member of the Guiton Lab, she wants to develop the scientific skills that will provide her with a greater understanding of the environment and factors that affect living organisms. Specifically, her project focuses on understanding how proteins are targeted to the specialized secretory organelles in Toxoplasma gondii and other Apicomplexans.

Paula is a passionate, hardworking, and dedicated student that is striving to achieving her maximum potential.

Emma Sheldon

Emma Sheldon

Emma Sheldon is an undergraduate at California State University East Bay. She is currently majoring in microbiology and wants to become a Clinical Lab Scientist. Studying bacteria, viruses and parasites is something she has an enormous passion for and cannot wait to make them her full time career.
Emma’s project is to uncover how dense granule proteins, specifically GRA9, contribute to the pathogenesis of Toxoplasma gondii.

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Amanpreet Sidhu 

Amanpreet Sidhu is currently a Post-Baccalaureate student in Pre-Professional Health Academic Program at California State University East Bay and in Dr. Guiton’s lab. She earned her Bachelor’s of Science and Arts in Public Health and Psychology from UC Irvine. Her research in the Guiton Lab is focused on secreted effector proteins and understanding their role in the pathogenesis of Toxoplasma gondii



Lab Security &
Cuddling Officer

Ziggy is Dr. Guiton's best friend! He is a hypoallergenic 6-year old Shih-Tzu-Poodle. He has been Dr. Guiton's companion since he was 4-months old. He is a very happy puppy! From time to time, Ziggy visits Dr. Guiton's workplace to provide everyone with petting time and to bring more joy in the lab. But BEWARE! As the lab security officer, he makes sure no one violates the established safety rules!


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Former Members

Christopher Javier

Oct 2017 - June 2018

Chris graduated with a Bachelor of Science in Biological Science, Microbiology/Biomedical Laboratory Sciences Option and minor in Chemistry, in Spring of 2018. He is currently finishing a phlebotomy program. He is a prospective Clinical Laboratory Science student. 


Leslie Ann Ong

Sept 2017 - June 2018

Leslie graduated with a Bachelor of Science in Biological Science, Microbiology/Biomedical Laboratory Sciences Option and minor in Chemistry, in Spring of 2018. She is currently an intern at Pivot Bio. She hopes to apply to graduate school. 



We work hard while having fun during the process!