Valeria Souza
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Valeria Francisca Eugenia Leopoldina de María de Guadalupe Souza Saldívar is a Mexican scientist who specializes in evolutionary and microbial ecology. She is a senior researcher in the Department of Evolutionary Ecology of the Institute of Ecology of the
National Autonomous University of Mexico The National Autonomous University of Mexico (, UNAM) is a public university, public research university in Mexico. It has several campuses in Mexico City, and many others in various locations across Mexico, as well as a presence in nine countri ...
and a level III researcher in the National System of Researchers. She was the former president of the Scientific Society of Ecology of Mexico.


Early education and career

Souza was born in Mexico City in 1958. Her father, Antonio Souza, was an art collector and critic who first discovered, in 1960, the painter
Francisco Toledo Francisco Benjamín López Toledo (17 July 1940 – 5 September 2019) was a Mexican painter, sculptor, and graphic artist. In a career that spanned seven decades, Toledo produced thousands of works of art and became widely regarded as one of M ...
. As an eight year old, she decided she wanted to become a biologist. Her interest in biology was further cemented after she was given a ''Time Life'' book to read about the discovery of
DNA Deoxyribonucleic acid (; DNA) is a polymer composed of two polynucleotide chains that coil around each other to form a double helix. The polymer carries genetic instructions for the development, functioning, growth and reproduction of al ...
when she was ten years old. Souza received a B.S. in biology in 1983 and a Master's degree in biology in 1985 from the National Autonomous University of Mexico (UNAM). In 1990, also at UNAM, she received a Ph.D in microbial ecology from the Institute of Ecology (formerly known as the Ecology Center). She was a postdoctoral fellow from 1990-1992 in the Department of Ecology and Evolutionary Biology at the
University of California, Irvine The University of California, Irvine (UCI or UC Irvine) is a Public university, public Land-grant university, land-grant research university in Irvine, California, United States. One of the ten campuses of the University of California system, U ...
(UCI) with
Richard Lenski Richard E. Lenski (born 1956) is an American evolutionary biologist who is the John A. Hannah Distinguished Professor of Microbial Ecology at Michigan State University. He is a member of the National Academy of Sciences and a MacArthur Fellow. ...
where she worked on the long-term
E. coli ''Escherichia coli'' ( )Wells, J. C. (2000) Longman Pronunciation Dictionary. Harlow ngland Pearson Education Ltd. is a gram-negative, facultative anaerobic, rod-shaped, coliform bacterium of the genus ''Escherichia'' that is commonly foun ...
experiment. She continued her work with Lenski for one additional year at the Center for Microbial Ecology at
Michigan State University Michigan State University (Michigan State or MSU) is a public university, public Land-grant university, land-grant research university in East Lansing, Michigan, United States. It was founded in 1855 as the Agricultural College of the State o ...
following Lenski's move to Michigan from UCI. She is married to Dr. Luis Eguiarte, who is also a scientist.


Research

Souza has 214 major publications and has received over 8600 citations. Her research focuses mainly on understanding the evolutionary, physiological, and ecological processes that are involved in the
adaptation In biology, adaptation has three related meanings. Firstly, it is the dynamic evolutionary process of natural selection that fits organisms to their environment, enhancing their evolutionary fitness. Secondly, it is a state reached by the p ...
,
speciation Speciation is the evolutionary process by which populations evolve to become distinct species. The biologist Orator F. Cook coined the term in 1906 for cladogenesis, the splitting of lineages, as opposed to anagenesis, phyletic evolution within ...
, and diversification of the biodiversity of
microorganisms A microorganism, or microbe, is an organism of microscopic size, which may exist in its single-celled form or as a colony of cells. The possible existence of unseen microbial life was suspected from antiquity, with an early attestation in ...
. Much of her research and conservation efforts focus on microbial mats and communities in
Cuatro Ciénegas Cuatro Ciénegas () is a city in the northern Mexican state of Coahuila. It stands at , at an average elevation of above sea level. The city serves as the municipal seat for the surrounding municipality of the same name. It is located in the ...
,
Coahuila Coahuila, formally Coahuila de Zaragoza, officially the Free and Sovereign State of Coahuila de Zaragoza, is one of the 31 states of Mexico. The largest city and State Capital is the city of Saltillo; the second largest is Torreón and the thi ...
, Mexico. The work has revealed that
microbes A microorganism, or microbe, is an organism of microscopic size, which may exist in its single-celled form or as a colony of cells. The possible existence of unseen microbial life was suspected from antiquity, with an early attestation in ...
in these
desert A desert is a landscape where little precipitation occurs and, consequently, living conditions create unique biomes and ecosystems. The lack of vegetation exposes the unprotected surface of the ground to denudation. About one-third of the la ...
springs represent unique microbial lineages which she has worked to study and protect from
groundwater extraction Water extraction (also known as water withdrawal, water abstraction, and water intake) is the process of taking water from any source, either temporarily or permanently, for flood control or to obtain water for, for example, irrigation. The ex ...
. As a result of multiple years of work in Cuatro Ciénegas the boo
"Cuatro Ciénegas, Ecology, Natural History and Microbiology"
was published by Souza and her colleagues in 2018.


Awards and honors

*2020 Society for Freshwater Science Environmental Stewardship Award *2019
American Academy of Arts and Sciences The American Academy of Arts and Sciences (The Academy) is one of the oldest learned societies in the United States. It was founded in 1780 during the American Revolution by John Adams, John Hancock, James Bowdoin, Andrew Oliver, and other ...
(the fourth Mexican inducted overall and the first Mexican to do so in the Honorary Foreign Member category) *2016 Biology Professional Merit Medal by Board of Biologists of Mexico *2011 Aldo Leopold Fellowship of the Stanford Woods Institution *2011 Level III of the National System of Researchers *2010 ‘VW Love for the Planet’ award *2006 Sor Juana Inés de la Cruz Award from the National Autonomous University of Mexico *2006 National Conservation Award from the Ministry of the Environment and Natural Resources (SEMARNAT) *2003 PRIDE "D" level of the National Autonomous University of Mexico *1994 Winner of the MacArthur Foundation Fellowship


References


External links

* * {{DEFAULTSORT:Souza, Valeria Living people Mexican biologists Mexican scientists Microbiologists Evolutionary biologists Year of birth missing (living people) National Autonomous University of Mexico alumni Scientists from Mexico City Foreign associates of the National Academy of Sciences