NASA-funded research has uncovered a new life form on Earth, a microorganism that can not only survive but can thrive and reproduce by metabolizing arsenic, a chemical that is highly toxic for most other earthly organisms.
This finding will revolutionize the field of astrobiology—the study of the origins, evolution, distribution, and future of life in the universe. Astrobiology, a peer-reviewed journal from Mary Ann Liebert, Inc.(www.liebertpub.com), has been the defining journal in this exciting area of study for the last decade. Table of contents and a free sample issue are available at www.liebertpub.com
The new form of life, discovered in Mono Lake in California, a harsh environment with high salt, pH, and arsenic levels, represents a new strain of a common family of bacteria. It is able to substitute arsenic for phosphorus, one of the six basic building blocks of all forms of life on Earth. The microbe utilizes arsenic in place of phosphorus to build critical cell components, including its DNA, proteins, cell membranes, and energy-producing machinery.
"The discovery of a bacterium capable of substituting arsenate for phosphate in essential biomolecules impacts astrobiology in a number of ways," says Sherry L. Cady, PhD, Editor-in-Chief of the peer-reviewed journal Astrobiology and Professor in the Department of Geology at Portland State University. "It is quite astonishing to learn that this life form has the capacity to function in a way no other known life form can. The directed search for this biochemistry, revealed by routine methods, was essential to this find and an important lesson. Astrobiology search strategies for environments that harbor microbes with such biochemistries now increase in a way few have predicted. We are delighted that Astrobiology has been the premier peer-reviewed journal exploring issues surrounding weird life and other provocative findings."
Led by Professor Cady and a prominent international editorial board comprised of esteemed scientists in the field, Astrobiology is the authoritative resource for the most up-to-date information and perspectives on exciting new research findings and discoveries emanating from interplanetary exploration and terrestrial field and laboratory research programs. The Journal is published 10 times a year in print and online, and is the Official Journal of Astrobiology Society (www.abscociety.org). A complete table of contents may be viewed www.liebertpub.com/ast.
Mary Ann Liebert, Inc.(www.liebertpub.com) is a privately held, fully integrated media company known for establishing authoritative peer-reviewed journals in many promising areas of science and biomedical research. Its biotechnology trade magazine, Genetic Engineering & Biotechnology News (GEN), was the first in its field and is today the industry's most widely read publication worldwide. A complete list of the firm's 60 journals, books, and newsmagazines is available at our website.
Vicki Cohn | EurekAlert!
Study relating to materials testing Detecting damages in non-magnetic steel through magnetism
23.07.2018 | Technische Universität Kaiserslautern
Innovative genetic tests for children with developmental disorders and epilepsy
11.07.2018 | Christian-Albrechts-Universität zu Kiel
New design tool automatically creates nanostructure 3D-print templates for user-given colors
Scientists present work at prestigious SIGGRAPH conference
Most of the objects we see are colored by pigments, but using pigments has disadvantages: such colors can fade, industrial pigments are often toxic, and...
Scientists at the University of California, Los Angeles present new research on a curious cosmic phenomenon known as "whistlers" -- very low frequency packets...
Scientists develop first tool to use machine learning methods to compute flow around interactively designable 3D objects. Tool will be presented at this year’s prestigious SIGGRAPH conference.
When engineers or designers want to test the aerodynamic properties of the newly designed shape of a car, airplane, or other object, they would normally model...
Researchers from TU Graz and their industry partners have unveiled a world first: the prototype of a robot-controlled, high-speed combined charging system (CCS) for electric vehicles that enables series charging of cars in various parking positions.
Global demand for electric vehicles is forecast to rise sharply: by 2025, the number of new vehicle registrations is expected to reach 25 million per year....
Proteins must be folded correctly to fulfill their molecular functions in cells. Molecular assistants called chaperones help proteins exploit their inbuilt folding potential and reach the correct three-dimensional structure. Researchers at the Max Planck Institute of Biochemistry (MPIB) have demonstrated that actin, the most abundant protein in higher developed cells, does not have the inbuilt potential to fold and instead requires special assistance to fold into its active state. The chaperone TRiC uses a previously undescribed mechanism to perform actin folding. The study was recently published in the journal Cell.
Actin is the most abundant protein in highly developed cells and has diverse functions in processes like cell stabilization, cell division and muscle...
17.08.2018 | Event News
08.08.2018 | Event News
27.07.2018 | Event News
17.08.2018 | Physics and Astronomy
17.08.2018 | Information Technology
17.08.2018 | Life Sciences