Johns Hopkins Department of Biochemistry and Molecular Biology
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johnshopkinsbmb.bsky.social
Johns Hopkins Department of Biochemistry and Molecular Biology
@johnshopkinsbmb.bsky.social
160 followers 53 following 78 posts
We further basic science knowledge at biochemical and molecular levels that is relevant to public health
Find us online: https://publichealth.jhu.edu/bmb
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johnshopkinsbmb.bsky.social
Congratulations to Dr. Lenihan! Charles Lenihan successfully defended his PhD thesis today. At his seminar this afternoon we learned about his work in the Bailey Lab on “Structural Snapshots of a Thermophilic CRISPR-Cas Effector Recognizing Target DNA”
Two protein structure models of a CRISPR effector, flank text and a photo of a smiling Charlie Lenihan, Biochemistry and Molecular PhD Program. Congratulations, Dr. Lenihan! On a successful defense of his PhD thesis, Structural Snapshots of a Thermophilic CRISPR-Cas Effector Recognizing Target DNA. Advisor: Scott Bailey, Biochemistry and Molecular Biology Department. Johns Hopkins Bloomberg School of Public Health, Department of Biochemistry and Molecular Biology.
September 25, 2025 at 8:20 PM
johnshopkinsbmb.bsky.social
Upcoming PhD defense seminar! Charles Lenihan of the Bailey Lab will present “Structural Snapshots of a Thermophilic CRISPR-Cas Effector Recognizing Target DNA”

🗓️Thursday, September 25
⏰Noon ET
📍 W4030
🔗Open to the BMB community via Zoom - DM for link by Monday, September 22
Biochemistry and Molecular Biology PhD Defense Seminar. Structural Snapshots of a Thermophilic CRISPR-Cas Effector Recognizing Target DNA. Charles Lenihan. PhD Candidate, Bailey Lab, Biochemistry and Molecular Biology Department.
September 15, 2025 at 2:55 PM
johnshopkinsbmb.bsky.social
Congratulations to Dr. DeHaas-McGinnis! Allison DeHaas-McGinnis successfully defended her PhD thesis today. At her seminar this afternoon we learned about her work in the Matunis Lab on “Investigating the Paralogue-Specific Roles of SUMO on Mitochondrial Morphology and Dynamics”
Congratulations Dr. DeHaas-McGinnis! On a successful defense of her PhD thesis Investigating the Paralogue-Specific Roles of SUMO on Mitochondrial Morphology and Dynamics. Advisor: Michael Matunis, Biochemistry and Molecular Biology Department. A photo of Allison DeHaas-McGinnis above Allison DeHaas-McGinnis, Biochemistry and Molecular Biology PhD Program. Johns Hopkins Bloomberg School of Public Health.
September 9, 2025 at 8:48 PM
johnshopkinsbmb.bsky.social
Upcoming PhD defense seminar! Allison DeHaas-McGinnis of the Matunis Lab will present “Investigating the Paralogue-Specific Roles of SUMO on Mitochondrial Morphology and Dynamics”

🗓️Tuesday, September 9
⏰2 p.m. ET
📍 W3030
🔗Open to the BMB community via Zoom - DM for link by Thursday, September 4
Biochemistry and Molecular Biology PhD Defense Seminar. Investigating the Paralogue-Specific Roles of SUMO on Mitochondrial Morphology and Dynamics. Allison DeHaas-McGinnis. PhD Candidate, Matunis Lab, Biochemistry and Molecular Biology Department.
August 27, 2025 at 9:19 PM
johnshopkinsbmb.bsky.social
Congratulations to Dr. Bailey Robertson! Bailey Robertson successfully defended her PhD thesis today. At her seminar this afternoon we learned about her work in the Rebecca Lab on “Examining the Role of the Plantar Mechanical Microenvironment in Acral Melanoma.”
Biochemistry and Molecular Biology PhD Defense Seminar. Examining the Role of the Plantar Mechanical Microenvironment in Acral Melanoma. Bailey Robertson. PhD Candidate, Rebecca Lab, Biochemistry and Molecular Biology Department.
August 11, 2025 at 8:50 PM
johnshopkinsbmb.bsky.social
Congratulations to Dr. Marnie Skinner! Marnie Skinner successfully defended her PhD thesis today. At her seminar this morning we learned about her work in the Jordan Lab on “Assessing Microtubule Organizing Centers During Mammalian Spermatogenesis”
Biochemistry and Molecular Biology PhD Defense Seminar. Assessing Microtubule Organizing Centers During Mammalian Spermatogenesis. Marnie Skinner. PhD Candidate, Jordan Lab, Uniformed Services University School of Medicine, Biochemistry Department.
August 8, 2025 at 6:00 PM
johnshopkinsbmb.bsky.social
Upcoming PhD defense seminar! Bailey Robertson of the Rebecca Lab will present “Examining the Role of the Plantar Mechanical Microenvironment in Acral Melanoma”
🗓️Monday, August 11
⏰2 p.m. ET
📍 Becton Dickinson Hall (W1020)
🔗Open to the BMB community via Zoom - DM for link by Thursday August 7
Biochemistry and Molecular Biology PhD Defense Seminar. Examining the Role of the Plantar Mechanical Microenvironment in Acral Melanoma. Bailey Robertson. PhD Candidate, Rebecca Lab, Biochemistry and Molecular Biology Department.
July 28, 2025 at 6:04 PM
johnshopkinsbmb.bsky.social
Upcoming PhD defense seminar! Marnie Skinner of the Jordan Lab will present “Assessing Microtubule Organizing Centers During Mammalian Spermatogenesis”
🗓️Friday, August 8
⏰10 a.m. ET
📍 Anna Baetjer (W1030)
🔗Open to the BMB community via Zoom - DM for link by Tuesday August 5
Biochemistry and Molecular Biology PhD Defense Seminar. Assessing Microtubule Organizing Centers During Mammalian Spermatogenesis. Marnie Skinner. PhD Candidate, Jordan Lab, Uniformed Services University School of Medicine, Biochemistry Department.
July 25, 2025 at 2:32 PM
johnshopkinsbmb.bsky.social
Congratulations Dr. Alexis Carey! Alexis Carey is in the Cellular & Molecular Medicine program and successfully defended her PhD today. In today's seminar she shared her about work in the Weeraratna Lab on “Cutaneous Melanoma Drives Metabolic Changes in the Aged Bone Marrow Immune Microenvironment”
Biochemistry and Molecular Biology PhD Defense Seminar. Cutaneous Melanoma Drives Metabolic Changes in the Aged Bone Marrow Immune Microenvironment. Alexis Carey. PhD Candidate, Weeraratna Lab, Biochemistry and Molecular Biology Department. Cellular and Molecular Medicine Program.
July 18, 2025 at 4:50 PM
johnshopkinsbmb.bsky.social
Upcoming PhD seminar! Alexis Carey, a CMM student in the Weeraratna Lab, will present “Cutaneous Melanoma Drives Metabolic Changes in the Aged Bone Marrow Immune Microenvironment”

🗓️Friday July 18
⏰11am ET
📍 Sheldon Hall W1214
🔗Open to the BMB community by Zoom - DM for link by noon Monday July 14.
Biochemistry and Molecular Biology PhD Defense Seminar. Cutaneous Melanoma Drives Metabolic Changes in the Aged Bone Marrow Immune Microenvironment. Alexis Carey. PhD Candidate, Weeraratna Lab, Biochemistry and Molecular Biology Department. Cellular and Molecular Medicine Program.
July 8, 2025 at 3:55 PM
johnshopkinsbmb.bsky.social
Congratulations to Dr. Jeremy Asher Bravo Narula! Jeremy Asher Bravo Narula successfully defended his PhD thesis today. At his seminar this morning we learned about his work in the Rebecca Lab on “Dissecting the Mechanisms of Tumor Progression and Resistance to Targeted Therapy in Acral Melanoma”
Biochemistry and Molecular Biology PhD Defense Seminar. Dissecting the Mechanisms of Tumor Progression and Resistance to Targeted Therapy in Acral Melanoma. Jeremy Asher Bravo Narula. PhD Candidate, Rebecca Lab, Biochemistry and Molecular Biology Department.
June 26, 2025 at 5:59 PM
johnshopkinsbmb.bsky.social
Congratulations to Dr. Marika David! Marika David successfully defended her PhD thesis today. At her seminar earlier today we learned about her work in the Culotta Lab on “Iron and Flavins: Essential Nutrients in the Fungal Pathogen Candida albicans”
PhD Defense graphic with a photo of the presenter. Biochemistry and Molecular Biology PhD Defense Seminar. Iron and Flavins: Essential Nutrients in the Fungal Pathogen Candida albicans. Marika David, MS. PhD Candidate, Culotta Lab, Biochemistry and Molecular Biology Department.
June 24, 2025 at 8:29 PM
johnshopkinsbmb.bsky.social
Upcoming PhD defense! Jeremy Asher Bravo Narula of the Rebecca Lab will present “Dissecting the Mechanisms of Tumor Progression and Resistance to Targeted Therapy in Acral Melanoma”
🗓️Thursday, June 26
⏰11am ET
📍 Becton Dickinson Hall W1020
🔗Open to the BMB community via Zoom - DM for link by June 23
Biochemistry and Molecular Biology PhD Defense Seminar. Dissecting the Mechanisms of Tumor Progression and Resistance to Targeted Therapy in Acral Melanoma. Jeremy Asher Bravo Narula. PhD Candidate, Rebecca Lab, Biochemistry and Molecular Biology Department.
June 12, 2025 at 6:21 PM
johnshopkinsbmb.bsky.social
Upcoming PhD defense seminar! Marika David of the Culotta Lab will present “Iron and Flavins: Essential Nutrients in the Fungal Pathogen Candida albicans”
🗓️Tuesday, June 24
⏰2 p.m. ET
📍 Becton Dickinson Hall (W1020)
🔗Open to the BMB community via Zoom - DM for link by Friday June 20
PhD Defense graphic with a photo of the presenter. Biochemistry and Molecular Biology PhD Defense Seminar. Iron and Flavins: Essential Nutrients in the Fungal Pathogen Candida albicans. Marika David, MS. PhD Candidate, Culotta Lab, Biochemistry and Molecular Biology Department.
June 11, 2025 at 6:36 PM
johnshopkinsbmb.bsky.social
Next week’s BMB seminar features a presentation by Rebecca B. Riggins @profriggins.bsky.social, Associate Professor & Associate Director of Education and Training at the Georgetown Lombardi Comprehensive Cancer Center Oncology Department!

🗓️Wednesday May 28
🕚11 a.m.
📍W5030
Biochemistry and Molecular Biology Seminar Bridging Stress Biology and Cancer Metabolism: Glutamate-Handling Proteins as Mediators of Progression and Therapeutic Resistance in Invasive Lobular Carcinoma. Rebecca B. Riggins, PhD. Associate Professor, and Associate Director of Education & Training, Oncology, Georgetown Lombardi Comprehensive Cancer Center.
May 22, 2025 at 5:06 PM
johnshopkinsbmb.bsky.social
🎓Congratulations graduates!🎓 At today’s @johnshopkinssph.bsky.social Convocation we celebrated the 10 MHS, 36 ScM, and 3 PhD graduates who completed their degrees in our Department this academic year. We're proud of all you've done here at BMB and are excited to see what you do next!
Crowd of students outside tossing mortar boards into the air, overlaid with: Congratulations Graduates! Convocation Ceremony Johns Hopkins Bloomberg School of Public Health
May 21, 2025 at 7:09 PM
johnshopkinsbmb.bsky.social
Today is the @johnshopkinssph.bsky.social convocation, and we'd like to send congratulations to this year's Master of Arts in Public Health Biology graduates! The MAPHB is an interdepartmental program from BMB, @johnshopkinsehe.bsky.social, and @johnshopkinsmmi.bsky.social!
Congratulations Class of 2025 over a background of clouds colored by sunset pinks and blues, with streaks of white lines and dots forming grids, curves and a rough image of a globe. Near the bottom a row of blue boxes with white icons: A pair of test tubes, an open book, a syringe, a graduation cap, a DNA helix, a drop of water above waves, a mosquito. Johns Hopkins Bloomberg School of Public Health.
May 21, 2025 at 3:59 PM
johnshopkinsbmb.bsky.social
Congratulations to Dr. Triet Nguyen! Triet Nguyen successfully defended his PhD thesis today. At his seminar this afternoon we learned about his work in the Tran Lab on “Investigating Mechanisms of Tumorigenesis and Resistance to Chemoradiotherapy in Lung Cancer”
Seminar info with a photo of the speaker. Investigating Mechanisms of Tumorigenesis and Resistance to Chemoradiotherapy in Lung Cancer. Triet Nguyen. PhD Candidate. Tran Lab, University of Maryland School of Medicine, Department of Radiation Oncology.
May 13, 2025 at 7:29 PM
johnshopkinsbmb.bsky.social
Upcoming PhD defense seminar! Triet Nguyen of the Tran Lab will present “Investigating Mechanisms of Tumorigenesis and Resistance to Chemoradiotherapy in Lung Cancer”

🗓️Tuesday, May 13
⏰1 ET
📍 Sheldon Hall (W1214)
🔗Open to the BMB community via Zoom - DM for link by Friday, May 9
Seminar info with a photo of the speaker. Investigating Mechanisms of Tumorigenesis and Resistance to Chemoradiotherapy in Lung Cancer. Triet Nguyen. PhD Candidate. Tran Lab, University of Maryland School of Medicine, Department of Radiation Oncology.
April 29, 2025 at 6:53 PM
johnshopkinsbmb.bsky.social
Today’s BMB seminar features a presentation by Nobel laureate Randy Schekman, HHMI Investigator in the Molecular and Cell Biology Department at the University of California, Berkeley!

🗓️Wednesday April 23
🕚3 p.m.
📍Sheldon Hall (W1214)
Seminar info with a photo of the speaker. Randy Schekman, PhD. 2013 Nobel Prize in Physiology or Medicine, HHMI Investigator, Molecular and Cell Biology Department, University of California, Berkeley. Extracellular vesicles and intercellular membrane tubular connections in the intercellular traffic of proteins and RNA. Wednesday, April 23, 2025, 3-4 p.m., Sheldon Hall (W1214). Johns Hopkins Bloomberg School of Public Health, Department of Biochemistry and Molecular Biology.
April 23, 2025 at 1:12 PM
johnshopkinsbmb.bsky.social
If you are at the AAMC Virtual Medical School Fair and looking for premedical programs, visit our virtual booth tomorrow! Our programs provide a grounding in the basic biology at the foundation of medicine with options to broaden your experience in public health. aamcmedschoolfair.vfairs.com
Visit us at the AAMC Virtual Medical School Fair. Thursday, April 17, 11 a.m. - 7 p.m. ET. Johns Hopkins University Virtual Booth. Johns Hopkins Bloomberg School of Public Health, Department of Biochemistry and Molecular Biology.
April 16, 2025 at 5:33 PM
johnshopkinsbmb.bsky.social
Looking for a master’s program that will prepare you for medical school? Our programs provide a grounding in the basic biology at the foundation of medicine with options to broaden your experience in public health. We'll be at the AAMC Virtual Medical School Fair - drop by our booth to learn more!
Visit us at the AAMC Virtual Medical School Fair. Thursday, April 17, 11 a.m. - 7 p.m. ET. Johns Hopkins University Virtual Booth. Johns Hopkins Bloomberg School of Public Health, Department of Biochemistry and Molecular Biology.
April 2, 2025 at 4:46 PM
johnshopkinsbmb.bsky.social
Congratulations to Dr. Shuying He! Shuying He successfully defended her PhD thesis today. At her seminar this afternoon we learned about her work in the Matunis Lab on “SUMO2 Promotes Histone Pre-mRNA Processing”
SUMO2 Promotes Histone Pre-mRNA Processing - with an orange histone replacing the O in histone. PhD Defense Seminar, March 27, 2025 Shuying He, Matunis Lab. Johns Hopkins Bloomberg School of Public Health, Biochemistry and Molecular Biology Department.
March 27, 2025 at 7:08 PM
johnshopkinsbmb.bsky.social
Next week’s BMB seminar features a presentation by Jasmine Miller-Kleinhenz, Assistant Professor, Population Health Science Department, University of Mississippi Medical Center:
🗓️Wednesday March 26
🕛Noon
📍W5030
BMB Seminar poster with a photo of the speaker, Jasmine Miller-Kleinhenz. Wednesday, March 26, 2025, noon - 1 p.m., W5030. From Neighborhoods to Nuclei: The Biological Impact of Disadvantage on Breast Cancer Outcomes. Jasmine Miller-Kleinhenz, PhD. Assistant Professor, Population Health Science Department, University of Mississippi Medical Center. Contact: Claire Hageman at chagema2@jh.edu. Johns Hopkins Bloomberg School of Public Health.
March 20, 2025 at 3:26 PM
johnshopkinsbmb.bsky.social
Upcoming PhD defense seminar! Shuying He of the Matunis Lab will present “SUMO2 Promotes Histone Pre-mRNA Processing”
🗓️Thursday, March 27
⏰Noon ET
📍 Sheldon Hall (W1214)
🔗Open to the BMB community via Zoom - DM for link by Monday, March 24
PhD Defense flyer with a photo of the presenter, Shuying He. Thursday, March 27, 2025 noon - 1 p.m., Sheldon Hall (W1214) and via Zoom. PhD Thesis Defense Seminar. SUMO2 Promotes Histone Pre-mRNA Processing. Shuying He, ScM. PhD Candidate, Matunis Lab, Biochemistry & Molecular Biology Department. Contact: Erika Vaitekunas at erikav@jhu.edu. Johns Hopkins Bloomberg School of Public Health, Biochemistry and Molecular Biology.
March 14, 2025 at 2:17 PM