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Geranyltranstransferase

Geranyltranstransferase, also called (2E,6E)-farnesyl diphosphate synthase or FPP synthetase, EC 2.5.1.10, is a mevalonate-pathway transferase synthesizing farnesyl diphosphate from IPP and DMAPP; inhibited by zoledronate and other bisphosphonates.

Gerard B. Odell

Gerard B. Odell (1925–1994) was an American pediatrician known for research on bilirubin metabolism and neonatal jaundice, who led pediatrics at the Medical College of Virginia and gastroenterology at Wisconsin–Madison.

Gerard C. Grosveld

Gerard C. Grosveld, also known as Gerard Grosveld, is a molecular hematologist at St. Jude known for mapping the bcr-abl fusion in chronic myeloid leukemia.

Gerard E. Francisco

Gerard E. Francisco is an American physiatrist who chairs physical medicine and rehabilitation at UTHealth Houston, leads TIRR Memorial Hermann, and studies recovery after neurologic injury.

Gérard Eberl

Gérard Eberl is a French-based immunologist, professor at the Institut Pasteur in Paris since 2014, known for research on how gut microbiota regulate immune responses.

Gerard Evan

Gerard Evan is a British cancer biologist who studies the Myc oncogene and p53, and pioneered mice in which cancer genes can be reversibly toggled.

Gérard Friedlander

Gérard Friedlander, born in Paris in 1952, is a French physician-scientist in renal physiology known for work on kidney phosphate transport and chronic kidney disease.

Gerard J. Criner

Gerard J. Criner is an American pulmonologist, founding chair of Thoracic Medicine and Surgery at Temple University, known for leading COPD trials including STATCOPE and benralizumab studies.

Gerard Karsenty

Gerard Karsenty is a physician-scientist who chairs Genetics and Development at Columbia University, known for establishing that bone is an endocrine organ via osteocalcin, which regulates glucose homeostasis, male fertility, and cognition.

Gérard M. London

Gérard M. London is a French nephrology researcher at Hôpital Manhès, Fleury-Mérogis, known for establishing arterial stiffness as an independent predictor of mortality in dialysis patients.

Gerard N. Burrow

Gerard Noel Burrow (1933–2013) was an American endocrinologist and expert on thyroid disease in pregnancy who served as the 14th dean of the Yale School of Medicine.

Gérard Orth

Gérard Orth (1936–2023) was a French virologist and veterinarian at the Institut Pasteur who pioneered HPV cancer research and discovered the first human genes underlying warts.

Gérard Roelfes

Gerard Roelfes is a Dutch chemist and full professor at the University of Groningen, where he directs the Stratingh Institute and is known for DNA-based asymmetric catalysis and designer enzymes with unnatural amino acids.

Gèrard Socié

Gérard Socié is a French professor of hematology at Hôpital Saint-Louis in Paris, known for research on stem cell transplantation, graft-versus-host disease, and secondary cancers.

Gerard van Swieten

Gerard van Swieten (1700–1772) was a Dutch physician who left Leiden for Vienna, became personal physician and trusted councillor to Empress Maria Theresa, and founded the First Vienna Medical School.

Gerard Wong

Gerard C. L. Wong is a UCLA professor of bioengineering, chemistry, and microbiology who studies bacterial biofilms and antibiotic-resistant infections, known for his 2013 Nature paper on Psl trails.

Gerarda

Gerarda is a monotypic homalopsid snake genus (Gray, 1849) whose sole species, Gerarda prevostiana, Gerard's water snake or glossy marsh snake, is a mangrove snake of South and Southeast Asia that eats freshly molted crabs and tears prey apart.

Gerardo Ceballos

Gerardo Ceballos, also known as Gerardo Ceballos González, is a Mexican ecologist and conservation biologist at the Universidad Nacional Autónoma de México, known for quantifying the ongoing sixth mass extinction.

Gerardo Moreno

Gerardo Moreno is an American family-medicine physician and health-services researcher who chairs UCLA's Department of Family Medicine and was elected to the National Academy of Medicine in 2023.

Gerbera

Gerbera is an Asteraceae genus of stemless perennial daisies named for Traugott Gerber, native from Africa to Indo-China; its hybrids, especially from Gerbera jamesonii, are major cut flowers and a floral genetics model.

Gerbillus

Gerbillus (gerbils, Desmarest 1804) is a rodent genus in Muridae: Gerbillinae with about 51 species across North Africa, the Sahel, and the Middle East, divided into four subgenera; type species G. gerbillus.

Gerd A. Blobel

Gerd A. Blobel is a physician-scientist at Children's Hospital of Philadelphia who studies red blood cell gene regulation and chromatin looping, elected to the National Academy of Medicine in 2025.

Gerd Assmann

Gerd Assmann is a German clinical chemist and atherosclerosis researcher, professor at the University of Münster, known for initiating and leading the PROCAM cardiovascular risk study.

Gerd Hasenfuß

Gerd Hasenfuß, born 1955 in Kehl, is a German cardiologist who led cardiology at Universitätsmedizin Göttingen from 1998 to 2024 and studied calcium handling in heart failure.

Gerd Heusch

Gerd Heusch is a German physician-scientist in cardiology, emeritus professor at the University of Duisburg-Essen and president of the North Rhine-Westphalian Academy of Sciences since 2025.

Gerd Jürgens

Gerd Jürgens (born 1949) is a German plant developmental biologist, emeritus Max Planck director in Tübingen, whose genetic screens established how plant embryos build their body axis.

Gerd Kempermann

Gerd Kempermann (born 1965 in Cologne) is a German neuroscientist at TU Dresden who studies adult hippocampal neurogenesis, known for a 1997 Nature study showing enriched environments grow new neurons.

Gerd P. Pfeifer

Gerd P. Pfeifer is a molecular biologist and Professor of Epigenetics at Van Andel Institute in Grand Rapids, Michigan, known for mapping DNA methylation and tobacco carcinogen damage at single-nucleotide resolution.

Gerd R Burmester

Gerd R. Burmester (Gerd-Rüdiger Burmester, born 1953) is a German rheumatologist and clinical immunologist who directed rheumatology at Charité Berlin from 1993 to 2022 and served as president of EULAR from 2015 to 2017.

Gerd Walz

Gerd Walz, born 1957, is a German nephrologist who led the Renal Division at the University of Freiburg from 1999 to 2026 and studies polycystic kidney disease.