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Moselio "Elio" Schaechter is Distinguished professor
emeritus ''Emeritus'' (; female: ''emerita'') is an adjective used to designate a retired chair, professor, pastor, bishop, pope, director, president, prime minister, rabbi, emperor, or other person who has been "permitted to retain as an honorary title ...
at
Tufts University Tufts University is a private research university on the border of Medford and Somerville, Massachusetts. It was founded in 1852 as Tufts College by Christian universalists who sought to provide a nonsectarian institution of higher learning. ...
, and adjunct professor at both
San Diego State University San Diego State University (SDSU) is a public research university in San Diego, California. Founded in 1897 as San Diego Normal School, it is the third-oldest university and southernmost in the 23-member California State University (CSU) system ...
and
University of California, San Diego The University of California, San Diego (UC San Diego or colloquially, UCSD) is a public university, public Land-grant university, land-grant research university in San Diego, California. Established in 1960 near the pre-existing Scripps Insti ...
. His work focuses on
microbiology Microbiology () is the scientific study of microorganisms, those being unicellular (single cell), multicellular (cell colony), or acellular (lacking cells). Microbiology encompasses numerous sub-disciplines including virology, bacteriology, prot ...
.


Early life and education

Schaechter was born in 1928 in
Milan, Italy Milan ( , , Lombard language, Lombard: ; it, Milano ) is a city in northern Italy, capital of Lombardy, and the List of cities in Italy, second-most populous city proper in Italy after Rome. The city proper has a population of about 1.4  ...
and is of
Polish Jewish The history of the Jews in Poland dates back at least 1,000 years. For centuries, Poland was home to the largest and most significant Ashkenazi Jewish community in the world. Poland was a principal center of Jewish culture, because of the lon ...
descent. His family emigrated in 1940 to
Quito, Ecuador Quito (; qu, Kitu), formally San Francisco de Quito, is the capital and largest city of Ecuador, with an estimated population of 2.8 million in its urban area. It is also the capital of the province of Pichincha. Quito is located in a valley on ...
, where he was raised and educated until moving to the United States for graduate school. In Quito, he studied at Instituto Nacional Mejía, the most prestigious Ecuadorian school. He received a
M.A. A Master of Arts ( la, Magister Artium or ''Artium Magister''; abbreviated MA, M.A., AM, or A.M.) is the holder of a master's degree awarded by universities in many countries. The degree is usually contrasted with that of Master of Science. Tho ...
in
bacteriology Bacteriology is the branch and specialty of biology that studies the morphology, ecology, genetics and biochemistry of bacteria as well as many other aspects related to them. This subdivision of microbiology involves the identification, classificat ...
from the
University of Kansas The University of Kansas (KU) is a public research university with its main campus in Lawrence, Kansas, United States, and several satellite campuses, research and educational centers, medical centers, and classes across the state of Kansas. Tw ...
in 1952 and a
Ph.D. A Doctor of Philosophy (PhD, Ph.D., or DPhil; Latin: or ') is the most common degree at the highest academic level awarded following a course of study. PhDs are awarded for programs across the whole breadth of academic fields. Because it is a ...
in
microbiology Microbiology () is the scientific study of microorganisms, those being unicellular (single cell), multicellular (cell colony), or acellular (lacking cells). Microbiology encompasses numerous sub-disciplines including virology, bacteriology, prot ...
from the
University of Pennsylvania The University of Pennsylvania (also known as Penn or UPenn) is a private research university in Philadelphia. It is the fourth-oldest institution of higher education in the United States and is ranked among the highest-regarded universitie ...
in 1954. He was drafted into the United States Army after graduation and worked at
Walter Reed Army Institute of Research The Walter Reed Army Institute of Research (WRAIR) is the largest biomedical research facility administered by the U.S. Department of Defense (DoD). The institute is centered at the Forest Glen Annex, in the Forest Glen Park part of the uni ...
studying
rickettsia ''Rickettsia'' is a genus of nonmotile, gram-negative, nonspore-forming, highly pleomorphic bacteria that may occur in the forms of cocci (0.1 μm in diameter), bacilli (1–4 μm long), or threads (up to about 10 μm long). The term "rickett ...
. He then worked as a
postdoctoral fellow A postdoctoral fellow, postdoctoral researcher, or simply postdoc, is a person professionally conducting research after the completion of their doctoral studies (typically a PhD). The ultimate goal of a postdoctoral research position is to p ...
at the
Statens Serum Institut Statens Serum Institut (SSI, The State's Serum Institute), is a Danish sector research institute located on the island of Amager in Copenhagen. Its purpose is to combat and prevent infectious diseases, congenital disorders, and threats from w ...
in
Copenhagen, Denmark Copenhagen ( or .; da, København ) is the capital and most populous city of Denmark, with a proper population of around 815.000 in the last quarter of 2022; and some 1.370,000 in the urban area; and the wider Copenhagen metropolitan ar ...
until 1958, studying ''
Salmonella ''Salmonella'' is a genus of rod-shaped (bacillus) Gram-negative bacteria of the family Enterobacteriaceae. The two species of ''Salmonella'' are ''Salmonella enterica'' and ''Salmonella bongori''. ''S. enterica'' is the type species and is fur ...
'' and ''
Escherichia coli ''Escherichia coli'' (),Wells, J. C. (2000) Longman Pronunciation Dictionary. Harlow ngland Pearson Education Ltd. also known as ''E. coli'' (), is a Gram-negative, facultative anaerobic, rod-shaped, coliform bacterium of the genus ''Escher ...
'' growth.


Academic career

Returning to the United States to begin his independent research career, Schaechter spent four years at the then-new medical school at the
University of Florida The University of Florida (Florida or UF) is a public land-grant research university in Gainesville, Florida. It is a senior member of the State University System of Florida, traces its origins to 1853, and has operated continuously on its ...
before moving to
Tufts University Tufts University is a private research university on the border of Medford and Somerville, Massachusetts. It was founded in 1852 as Tufts College by Christian universalists who sought to provide a nonsectarian institution of higher learning. ...
, where he would remain for the following 33 years. During his tenure at Tufts, Schaechter spent 23 years serving as chair of the Department of Molecular Biology and Microbiology, became a Distinguished Professor in 1987, and received the medical students' teaching award 11 times. Schaechter retired from Tufts in 1995 and moved to
San Diego, California San Diego ( , ; ) is a city on the Pacific Ocean coast of Southern California located immediately adjacent to the Mexico–United States border. With a 2020 population of 1,386,932, it is the eighth most populous city in the United States ...
, where he has served as an
adjunct professor An adjunct professor is a type of academic appointment in higher education who does not work at the establishment full-time. The terms of this appointment and the job security of the tenure vary in different parts of the world, however the genera ...
at
San Diego State University San Diego State University (SDSU) is a public research university in San Diego, California. Founded in 1897 as San Diego Normal School, it is the third-oldest university and southernmost in the 23-member California State University (CSU) system ...
and
University of California, San Diego The University of California, San Diego (UC San Diego or colloquially, UCSD) is a public university, public Land-grant university, land-grant research university in San Diego, California. Established in 1960 near the pre-existing Scripps Insti ...
. Schaechter is an Honorary Member the American Society for Microbiology, which he served as President in 1984. He has also chaired the editorial board of its newsletter, ''ASM News.'' He became a fellow of the
American Academy of Microbiology The American Society for Microbiology (ASM), originally the Society of American Bacteriologists, is a professional organization for scientists who study viruses, bacteria, fungi, algae, and protozoa as well as other aspects of microbiology. It wa ...
in 1974, served a term as member of its board of governors from 1997 to 2000. . Schaechter has written or edited several foundational textbooks in microbiology. The ASM awards the Moselio Schaechter Distinguished Service Award to recognize society members who contribute to scientific research and science education in the developing world. Schaechter has also been involved with public outreach and
science communication Science communication is the practice of informing, educating, raising awareness of science-related topics, and increasing the sense of wonder about scientific discoveries and arguments. Science communicators and audiences are ambiguously def ...
projects; he co-edits an ASM-sponsored microbiology-themed blog called ''Small Things Considered'' and co-hosts the ''This Week in Microbiology'' podcast founded and hosted by
Vincent Racaniello Vincent R. Racaniello (born January 2, 1953) is a Higgins Professor in the Department of Microbiology and Immunology at Columbia University's College of Physicians and Surgeons. He is a co-author of a textbook on virology, ''Principles of Virolo ...
. He also publishes work on the history of microbiology.


Research

The focus of Schaechter's research group involved studying bacterial growth and
cell division Cell division is the process by which a parent cell (biology), cell divides into two daughter cells. Cell division usually occurs as part of a larger cell cycle in which the cell grows and replicates its chromosome(s) before dividing. In eukar ...
, with particular interest in the involvement of bacterial
cell membrane The cell membrane (also known as the plasma membrane (PM) or cytoplasmic membrane, and historically referred to as the plasmalemma) is a biological membrane that separates and protects the interior of all cells from the outside environment ( ...
s in division. Among the notable discoveries of the group was the association of the ''E. coli''
origin of replication The origin of replication (also called the replication origin) is a particular sequence in a genome at which replication is initiated. Propagation of the genetic material between generations requires timely and accurate duplication of DNA by semi ...
with the cell membrane when hemimethylated.


Personal life

Schaechter married during his graduate education and he and his wife had two children. His daughter
Judith Schaechter Judith Schaechter is a Philadelphia-based artist known for her work in the medium of stained glass. Her pieces often use symbolism from stained glass and Gothic traditions, but the distorted faces and figures in her work recall a 20th century Ge ...
is a noted
stained glass Stained glass is coloured glass as a material or works created from it. Throughout its thousand-year history, the term has been applied almost exclusively to the windows of churches and other significant religious buildings. Although tradition ...
artist. After his first wife's death Schaechter remarried in 1994. Schaechter is a hobbyist
mycologist Mycology is the branch of biology concerned with the study of fungus, fungi, including their genetics, genetic and biochemistry, biochemical properties, their Taxonomy (biology), taxonomy and ethnomycology, their use to humans, including as a so ...
and has received awards for his contributions to amateur mycology. He was active in the Boston Mycological Club for many years and is a founding member of the San Diego Mycological Society. He published a natural history book on the subject of mushrooms and mushroom-hunting, ''In the Company of Mushrooms'', in 1997.


External links


Elio's Memoirs

Small Things Considered

People Behind the Science Podcast
- interview with Schaechter, August 21, 2015
An Interview with the Editor-in-Chief of 'The Encyclopedia of Microbiology'
- interview with Schaechter, 2010


References

{{DEFAULTSORT:Schaechter, Moselio Living people 1928 births Tufts University faculty American microbiologists Italian emigrants to the United States