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Asuncion Martinez

Researcher at Massachusetts Institute of Technology

Publications -  24
Citations -  4182

Asuncion Martinez is an academic researcher from Massachusetts Institute of Technology. The author has contributed to research in topics: Proteorhodopsin & Marine bacteriophage. The author has an hindex of 16, co-authored 23 publications receiving 3903 citations. Previous affiliations of Asuncion Martinez include Harvard University & Aventis Pharma.

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Community Genomics Among Stratified Microbial Assemblages in the Ocean's Interior

TL;DR: Genomic analyses of planktonic microbial communities in the North Pacific Subtropical Gyre, from the ocean's surface to near–sea floor depths, suggested depth-variable community trends in carbon and energy metabolism, attachment and motility, gene mobility, and host-viral interactions.
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Aerobic production of methane in the sea

TL;DR: In this paper, the authors show that oceanic methane is produced aerobically as a byproduct of methylphosphonate decomposition in phosphate-stressed waters, and they suggest that aerobic marine methane production will be sensitive to the changes in water-column stratification and nutrient limitation that are likely to result from greenhouse-gas-induced ocean warming.
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Protection of DNA during oxidative stress by the nonspecific DNA-binding protein Dps.

TL;DR: In a purified in vitro system, Dps reduces the number of DNA single-strand breaks and Fpg-sensitive sites introduced by hydrogen peroxide treatment, indicating that the protection observed in vivo is a direct effect of DNA binding by Dps.
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Recombinant Environmental Libraries Provide Access to Microbial Diversity for Drug Discovery from Natural Products

TL;DR: The data reinforce the idea that exploiting previously unknown or uncultivated microorganisms for the discovery of novel natural products has potential value and suggest a strategy for developing this technology into a realistic and effective drug discovery tool.
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Proteorhodopsin lateral gene transfer between marine planktonic Bacteria and Archaea

TL;DR: The cosmopolitan phylogenetic distribution of proteorhodopsins reflects their significant light-dependent fitness contributions, which drive the photoprotein's lateral acquisition and retention, but constrain its dispersal to the photic zone.