Irena Mamajanov
Overview
Explore the profile of Irena Mamajanov including associated specialties, affiliations and a list of published articles.
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20
Citations
332
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Recent Articles
1.
Rivera-Valentin E, Filiberto J, Lynch K, Mamajanov I, Lyons T, Schulte M, et al.
Astrobiology
. 2021 Aug;
21(8):893-905.
PMID: 34406807
The physical processes active during the first billion years (FBY) of Earth's history, such as accretion, differentiation, and impact cratering, provide constraints on the initial conditions that were conducive to...
2.
Jia T, Wang P, Niwa T, Mamajanov I
J Biosci
. 2021 Aug;
46.
PMID: 34373367
One aspect of the study of the origins of life focuses on how primitive chemistries assembled into the first cells on Earth and how these primitive cells evolved into modern...
3.
4.
Jia T, Caudan M, Mamajanov I
Life (Basel)
. 2021 Mar;
11(2).
PMID: 33671365
Speciation, an evolutionary process by which new species form, is ultimately responsible for the incredible biodiversity that we observe on Earth every day. Such biodiversity is one of the critical...
5.
Jia T, Bapat N, Verma A, Mamajanov I, James Cleaves 2nd H, Chandru K
Biomacromolecules
. 2021 Mar;
22(4):1484-1493.
PMID: 33663210
Nucleic acid segregation and compartmentalization were likely essential functions that primitive compartment systems resolved during evolution. Recently, polyester microdroplets generated from dehydration synthesis of various α-hydroxy acids (αHA) were suggested...
6.
Chandru K, Jia T, Mamajanov I, Bapat N, James Cleaves 2nd H
Sci Rep
. 2020 Oct;
10(1):17560.
PMID: 33067516
Prebiotic chemists often study how modern biopolymers, e.g., peptides and nucleic acids, could have originated in the primitive environment, though most contemporary biomonomers don't spontaneously oligomerize under mild conditions without...
7.
Mamajanov I, Caudan M, Jia T
Life (Basel)
. 2020 Aug;
10(8).
PMID: 32823487
Enzymes are biological catalysts that are comprised of small-molecule, metal, or cluster catalysts augmented by biopolymeric scaffolds. It is conceivable that early in chemical evolution, ancestral enzymes opted for simpler,...
8.
Chandru K, Mamajanov I, James Cleaves 2nd H, Jia T
Life (Basel)
. 2020 Jan;
10(1).
PMID: 31963928
A variety of organic chemicals were likely available on prebiotic Earth. These derived from diverse processes including atmospheric and geochemical synthesis and extraterrestrial input, and were delivered to environments including...
9.
Mamajanov I
Life (Basel)
. 2019 Jul;
9(3).
PMID: 31266241
In extant biology, biopolymers perform multiple crucial functions. The biopolymers are synthesized by enzyme-controlled biosystems that would not have been available at the earliest stages of chemical evolution and consist...
10.
Mamajanov I, Cody G
Philos Trans A Math Phys Eng Sci
. 2017 Nov;
375(2109).
PMID: 29133454
Enzymes are biopolymeric complexes that catalyse biochemical reactions and shape metabolic pathways. Enzymes usually work with small molecule cofactors that actively participate in reaction mechanisms and complex, usually globular, polymeric...